Relapse in Chronic Lymphocytic Leukaemia (CLL) - A Guide for Patients

Page created by Eric Wise
 
CONTINUE READING
Relapse in Chronic Lymphocytic Leukaemia (CLL) - A Guide for Patients
Relapse
in Chronic
Lymphocytic
Leukaemia (CLL)

A Guide for
Patients
Relapse in Chronic Lymphocytic Leukaemia (CLL) - A Guide for Patients
Introduction

    A relapse is the return of leukaemia after treatment.
    Specifically, this booklet is about a relapse in chronic
    lymphocytic leukaemia (CLL).
    The booklet was written by our
    Patient Information Writer,
    Isabelle Leach, and peer reviewed
    by Helen Knight, CLL Clinical
    Nurse Specialist at the Centre
    for Clinical Haematology in
    Nottingham University Hospitals.
    We are also grateful to our patient
    reviewer, Amanda Salter, for their
    contribution.

      If you would like any information on the sources
      used for this booklet, please email
      communications@leukaemiacare.org.uk
      for a list of references.

                                                            Version 2
                                                     Printed: 05/2019
2      www.leukaemiacare.org.uk                  Review date: 05/2021
In this booklet
Introduction                                              2
In this booklet                                           3
About Leukaemia Care                                      4
What is Chronic Lymphocytic Leukaemia?		                  6
What is relapsed CLL?		                                   8
Symptoms and diagnosis of relapsed CLL                  12
How is relapsed CLL treated?                             14
Seeing your doctor                                      24
Telling your family                                     26
Managing your emotions                                  28
Survivorship                                            32
Palliative care                                         34
End of life care                                        36
Glossary                                                38
Useful contacts and further support                     43

                           Helpline freephone 08088 010 444   3
About Leukaemia Care

    Leukaemia Care is a national charity dedicated to ensuring
    that people affected by blood cancer have access to the
    right information, advice and support.

    Our services                       has been affected by a blood
                                       cancer. A full list of titles – both
    Helpline                           disease specific and general
    Our helpline is supported by       information titles – can be
    our Patient Advocacy team from     found on our website at www.
    8.30am - 5.30pm on weekdays.       leukaemiacare.org.uk/support-
    A nurse is available on Mondays    and-information/help-and-
    from 9.00am - 5.00pm, Tuesdays     resources/information-booklets/
    to Thursdays 9.30am - 2.00pm
                                       Support Groups
    and Thursday and Fridays evening
    from 7.00pm - 10.00pm. If you      Our nationwide support groups
    need someone to talk to, call      are a chance to meet and talk
    08088 010 444                      to other people who are going
                                       through a similar experience.
    Nurse service                      For more information about a
    We have two trained nurses on      support group local to your area,
    hand to answer your questions      go to www.leukaemiacare.org.
    and offer advice and support,      uk/support-and-information/
    whether it be through emailing     support-for-you/find-a-support-
    nurse@leukaemiacare.org.uk,        group/
    over the phone on 08088 010 444.
                                       Buddy Support
    Patient Information Booklets       We offer one-to-one phone
    We have a number of patient        support with volunteers who have
    information booklets like          had blood cancer themselves
    this available to anyone who       or been affected by it in some

4      www.leukaemiacare.org.uk
way. You can speak to someone        information on our website,
who knows what you are going         www.leukaemiacare.org.uk.
through. For more information
on how to get a buddy call           Campaigning and Advocacy
08088 010 444 or email               Leukaemia Care is involved in
support@leukaemiacare.org.uk         campaigning for patient well-
                                     being, NHS funding and drug
Online Forum                         and treatment availability. If you
Our online forum,                    would like an update on any of
www.healthunlocked.com/              the work we are currently doing or
leukaemia-care, is a place           want to know how to get involved,
for people to ask questions          email advocacy@leukaemiacare.
anonymously or to join in the        org.uk
discussion with other people in a
similar situation.                   Patient magazine
                                     Our quarterly magazine
Patient and carer conferences        includes inspirational patient
Our nationwide conferences           and carer stories as well as
provide an opportunity to            informative articles by medical
ask questions and listen to          professionals. To subscribe go
patient speakers and medical         to www.leukaemiacare.org.uk/
professionals who can provide        communication-preferences/
valuable information and support.

Website
You can access up-to-date

                                    Helpline freephone 08088 010 444      5
What is Chronic Lymphocytic
    Leukaemia?

    In chronic lymphocytic leukaemia      lymphatic vessels, which run
    (CLL), the lymphocytes in the         adjacent to the small blood
    bone marrow start multiplying         vessels in the body, drain lymph
    excessively leading to large          fluid from all over the body to
    numbers of abnormal, immature         clear excess fluid and act as
    cells called blasts, which prevent    a blood filter helping to fight
    the bone marrow from producing        infection with the help of the
    enough healthy blood cells of all     B-cells and T-cells.
    types. Lymphocytes are a type of
                                          CLL is the most common form of
    white blood cell involved in the
                                          leukaemia in adults in Western
    immune response.
                                          countries. Approximately 3,500
    There are three types of              adults are diagnosed with CLL
    lymphocytes:                          each year in the UK alone, which
                                          is equivalent to 10 new cases
    1. B-cells produce antibodies         every day. Slightly more men than
      that seek out and immobilise
                                          women tend to be affected by CLL
      bacteria, viruses, and toxins
                                          and it is often diagnosed in older
      which invade the body.
                                          people, being diagnosed in 59% of
    2. T-cells destroy the invading       people aged 70 years and over. For
      organisms that have been            reasons that are not understood,
      tagged by the B-cells as well       CLL is more common in White
      as cells that have become           people and less common in Asian
      cancerous.                          populations. The disease is rarely,
                                          if ever, seen in children.
    3. Natural killer (NK)-cells attack
      cancer cells and viruses.           Full details of the characteristics,
                                          diagnosis and treatment of
    All these types of white blood        CLL are given in the Patient
    cell are found in the blood, bone     Information Booklet titled
    marrow, and lymphatic system.         chronic lymphocytic leukaemia
    The lymphatic system is a part        (CLL), which is available on
    of the immune and circulatory         the Leukaemia Care website at
    systems. A network of small

6      www.leukaemiacare.org.uk
https://www.leukaemiacare.org.
uk/support-and-information/
help-and-resources/
information-booklets/

In this booklet, relapse in CLL will
be examined.

                                       Helpline freephone 08088 010 444   7
What is relapsed CLL?

    In patients with CLL who require     ••Blood and bone marrow at
    treatment, the mainstay               the cell level (cytogenetic
    of the treatment is chemo             remission): Diseased cells
    immunotherapy, which consists         have been greatly reduced, or
    of chemotherapy to which              no longer appear, in the bone
    immunotherapy is added. Where         marrow.
    the CLL cells have a particular
    chromosome abnormality,              ••Blood and marrow at the
                                          molecule level using sensitive
    such as a 17p deletion or TP53
                                          tests such as polymerase
    mutation, a novel agent such
                                          chain reaction analysis or
    as ibrutinib is used instead of
                                          flow cytometry (molecular
    chemotherapy.
                                          remission): No evidence of
    The nature of CLL as a chronic        disease in the blood cells and/
    disease means that it is not          or bone marrow is seen at all.
    a curable disease, and that a
    relapse is expected to happen        Why does relapse
    at some point. A relapse is when     happen?
    a patient initially responds to
                                         While the recent treatment of
    leukaemia therapy but, after
                                         CLL with chemo-immunotherapy
    six months or more, response
                                         has resulted in improved patient
    to treatment stops. This is also
                                         responses and overall survival
    sometimes called a recurrence.
                                         compared to chemotherapy alone,
    Refractory CLL occurs when the
                                         a sizeable number of patients will
    cancer has not responded to first-
                                         still relapse and need subsequent
    line treatment (first treatment
                                         treatment.
    given).
                                         Relapse is often linked to the
    Remission can be established by
                                         cause of the CLL, particularly
    examining:
                                         when chromosome mutations
    ••Blood samples                      are involved. These genetic
     (haematological remission):         characteristics are useful for
     Blood counts return within          predicting how the CLL will
     normal ranges.                      progress, and which patients will

8      www.leukaemiacare.org.uk
respond to therapy or relapse.           with standard CLL patients
                                         and patients with lower-risk
For patients with CLL, analysis
                                         chromosomal abnormalities.
of chromosomes has detected
several reoccurring mutations:           Another indication of a reduced
                                         survival rate in CLL is an
•• 13q deletion - 55% of patients        unmutated immunoglobulin
•• 11q deletion - 18% of patients        variable region heavy chain (IgVH)
                                         gene. This gene is responsible
•• 17p deletion - 7% of patients         for generating antibodies used
  previously untreated and 30% of        by the immune response. IgVH
  patients who relapsed                  mutation status has identified
•• Trisomy 12 (3 copies of               two subtypes of CLL that have a
                                         differing clinical course:
  chromosome 12) - 16% of
  patients                               1. Patients with a mutated IgVH
Patients with 13q deletion tend            have a subtype of CLL which is
to have good prognoses and                 slow to progress and with little
patients with trisomy 12 have an           symptoms. These patients have
intermediate prognosis. Therefore,         a better prognosis.
these patients may be more               2. Patients without a mutated
fortunate in avoiding relapses.            IgVH have an aggressive
Patients with 11q deletion and             subtype of CLL with a poorer
17p deletion are known to have a           prognosis, a shorter duration
shorter time before relapse where          of complete remission and a
further treatment will be required.        greater chance of relapse.

Deletion of chromosomal region           The mutation status of IgVH can
17p13 results in the loss of one         be detected by DNA sequencing.
of the variants of the TP53 gene.        DNA sequencing involves
This abnormality is predictive of        determining the exact order of
a poor response to treatment and         the four organic molecules (also
is associated with the shortest          called nucleotides: adenine,
time before relapse compared             guanine, cytosine, and thymine)

                                      Helpline freephone 08088 010 444      9
What is relapsed CLL? (cont.)

     which make up a molecule of DNA.      first line treatment is around five
                                           years. When it has been identified
     How often does relapse                that the disease has come back,
     occur?                                further treatment options will be
                                           discussed with you by your doctor.
     Despite the encouraging
                                           Details of these are given in the
     responses in patients with
                                           section ‘How is relapsed CLL
     CLL who have received chemo-
                                           treated?’
     immunotherapy, most patients
     will relapse at some point within
     the first five years of starting
     treatment.

     The first-line chemo-
     immunotherapy regimen of FCR
     (combination of fludarabine,
     cyclophosphamide and
     rituximab) is most frequently
     used in patients with CLL, as
     long as they are fit and well with
     little or no other health problems.
     However, even after this treatment
     regimen, approximately 6% of
     patients will relapse within six to
     12 months and another 14% will do
     so within two years.

     Patients whose first remission
     lasts less than three years have
     a short survival period, whatever
     treatment they were given
     subsequently. For patients with
     a first remission greater than
     three years, a number of other
     treatments are available. The
     average remission after FCR as a

10      www.leukaemiacare.org.uk
Helpline freephone 08088 010 444   11
Symptoms and diagnosis of
     relapsed CLL

     What are the                         •• Bruising and bleeding due to
                                            a lack of platelets in the blood
     symptoms of relapsed                   (thrombocytopenia)
     CLL?
     The course of CLL can be very
                                          •• Swollen lymph nodes in the
                                            neck, armpits or groin
     varied. CLL usually develops
     extremely slowly, and more than      •• Swollen abdomen, abdominal
     half of all patients do not have       discomfort, inability to eat large
     any symptoms in the early stages       meals caused by an enlarged
     of the disease. Over time, CLL         spleen or lymph nodes
     patients often develop symptoms
     as a result of lower than normal     •• Changes in appetite
     numbers of red blood cells           •• Weight loss
     (anaemia), white blood cells
     (neutropenia) and/or platelets       How is relapsed CLL
     (thrombocytopenia).                  diagnosed?
     In patients with CLL who relapse,    The majority of relapses in
     the symptoms and signs that          patients with CLL are diagnosed
     may occur are similar to those for   relatively early on because after
     newly diagnosed CLL, and include:    first-line or second-line treatment,
                                          patients are monitored regularly.
     •• Feeling tired all the time        The diagnosis of relapsed CLL
       (fatigue)
                                          is similar to that of the initial
     •• Infections – these may be         diagnosis.
       frequent, persistent and/or
                                          Diagnosis of CLL requires the
       severe (due to neutropenia)
                                          presence of increased levels
     •• A high temperature (fever)        (≥5000 per mm3) of monoclonal
                                          (genetically identical) B-cells
     •• Severe sweating at night          in the blood for at least three
     •• Breathlessness, tiredness and     months. The clonal nature of
                                          the circulating B-cells should
       headaches due to a lack of red
       blood cells (anaemia)              be confirmed by flow cytometry
                                          (a test that identifies specific

12      www.leukaemiacare.org.uk
surface markers on the cell).           of proteins on the surface of the
                                        lymphoblast cells
Diagnosis is achieved using the
following tests:                      Immunophenotyping
Complete blood count                  Immunophenotyping is used
                                      primarily to help diagnose
Detects the number of red blood
                                      and classify leukaemias and
cells, white blood cells and
                                      lymphomas, and guide their
platelets.
                                      treatment. Where possible,
Peripheral blood smear                it may be able to predict the
                                      aggressiveness of the leukaemia
Blood sample is viewed under
                                      and its responsiveness to certain
a microscope to count different
                                      treatment.
circulating blood cells, and see
whether the cells look normal.        Markers detected on the cells will
                                      help characterise any abnormal
Bone marrow aspiration and            cells present. In conjunction with
biopsy                                the patient’s clinical history,
The aspiration procedure removes      physical examination, signs and
a liquid marrow sample and the        symptoms, and laboratory tests,
biopsy removes a small amount         immunophenotyping can help
of bone filled with marrow.           make a diagnosis.
Medication is given to numb the
                                      Immunophenotyping is routinely
area, or a general anaesthetic is
                                      performed by flow cytometry
performed, in order to remove a
                                      which processes either blood,
sample from the hip bone. These
                                      bone marrow fluid or tissue by
samples can be examined for:
                                      adding specific antibodies that
•• Percentage of lymphoblasts in      have been tagged with fluorescent
 the bone marrow                      markers. These antibodies, also
                                      called cell markers, bind to
•• Any abnormalities of the           corresponding antigens on the
 lymphocytes                          lymphocytes. The flow cytometer
•• Immunophenotyping: This            rapidly measures the size and
 procedure identifies the types       internal cellular structures

                                    Helpline freephone 08088 010 444        13
Symptoms and diagnosis of
     relapsed CLL (cont.)

     of thousands of cells, and           benefit from:
     assesses the type and quantity
     of fluorescent antigen-antibody      ••Lumbar puncture - This is used
                                           to determine if the lymphoblast
     complexes present. For these
                                           cells are in your central nervous
     practical reasons, flow cytometry
                                           system (brain and spinal cord).
     is preferred to immunochemistry
     for immunophenotyping.               ••Imaging tests – Ultrasound
                                           and computed tomography
     Chromosomal or cytogenetic
                                           scanning to accurately detect
     analysis
                                           the enlarged lymph nodes,
     •• Blood smear samples can be         liver and spleen before starting
      used to identify certain changes     treatment.
      in the number and size of
      chromosomes within cells that       ••Lymph node biopsy – This is
      might have led to the relapse.       carried out when lymph nodes
                                           are swollen. A lymph node
     •• This can be achieved easily and    biopsy is a minor surgical
      accurately with fluorescent          procedure where a small sample
      in situ hybridisation (FISH)         is taken from a lymph node
      which uses fluorescent dyes          and then examined under a
      to attach to certain parts of        microscope. This is usually
      chromosomes. FISH analysis           performed as a day case and
      should always be carried out         does not require a hospital stay.
      prior to a patient receiving
      treatment as it can determine       ••Staging - This is a grading
      types of leukaemia likely to         system used by consultants to
      relapse or their response to         describe the extent of the CLL,
      treatment.                           in terms of location, its effect
                                           on the blood count, and the
     The following tests and               number and size of existing
     procedures are carried out to         lymph nodes. Grading CLL helps
     confirm the diagnosis, confirm        your doctor predict how quickly
     the stage of the CLL, and enable      the cancer may grow and
     your consultant to determine the      spread, as well as decide the
     treatment you are most likely to      best treatment for you. There are

14      www.leukaemiacare.org.uk
two main systems used to stage
CLL. Most doctors in the UK and
Europe use the Binet system,
whereas in the USA doctors
more commonly use the Rai
system.

                                  Helpline freephone 08088 010 444   15
How is relapsed CLL treated?

     To date, the FCR treatment           response obtained with previous
     regimen has given the best           treatment, length of the response,
     complete remission rate, longest     and their characteristics at the
     duration of remission, and           time of relapse.
     the most extensive survival
     for patients with CLL. The           Alternative treatment
     regular chemo-immunotherapy          options
     regimens for the treatment of
                                          Most patients with relapsed or
     patients with CLL are FCR or the
                                          refractory CLL require second-line
     combination of bendamustine
                                          therapy (treatment other than the
     and rituximab. However, with
                                          type used the first time around).
     both these regimens, patients
                                          Second-line drug regimens may
     may experience significant side
                                          include:
     effects, especially older patients
     or those with other health issues.   •• Chlorambucil with a monoclonal
                                            antibody (if the patient only
     Most patients who respond to
                                            received chlorambucil on its
     treatment will eventually relapse
                                            own as first line therapy)
     and require second-line therapy
     (treatment other than the type       •• Targeted therapy: ibrutinib or
     used the first time around).           idelalisib in combination with
     However, patients who are in           rituximab (when the disease
     remission for less than three          has been treated but relapsed
     years the first time have shorter      within 24 months)
     periods of remission and shorter
     intervals between treatments,        •• Venetoclax
     whatever treatment regimen they      •• Clinical trials may also be
     were given subsequently.               a possibility if suitable and
     The most appropriate treatment         available
     for relapsed patients depends
     largely on the characteristics of
     their CLL, and is also dependent
     on their prior therapies, best

16      www.leukaemiacare.org.uk
Chlorambucil with a                    Ibrutinib is an inhibitor of
monoclonal antibody                    Bruton’s tyrosine kinase, and
(chlorambucil chemo-                   idelalisib is a selective inhibitor
immunotherapy)                         of the delta phosphatidylinositol
                                       3-kinase enzyme. Both these
If patients only received
                                       targeted therapies inhibit specific
chlorambucil as first-line
                                       signalling pathways for B-cells.
therapy, then chlorambucil with
a monoclonal antibody can be an        Idelalisib has regulatory approval,
alternative treatment for patients     when used in combination with
who relapsed. Chlorambucil is a        rituximab, in previously-treated
type of chemotherapy called an         CLL and CLL with 17p deletion or
alkylating agent which interferes      TP53 mutation that cannot be
with DNA and stops cancer cells        treated with any other therapy.
proliferating.                         It is approved by the National
                                       Institute for Health and Clinical
When combined with other
                                       Excellence (NICE).
monoclonal antibody drugs such
as ofatumumab or obinutuzumab,         Ibrutinib has regulatory approval
chlorambucil was superior to           for previously-treated CLL and
chlorambucil alone in two large        untreated CLL with 17p deletion
phase 3 studies.                       or TP53 mutation, and is also
                                       approved by NICE.
Targeted therapy
                                       Both ibrutinib and idelalisib are
Patients with 17p deletions
                                       effective in patients with high-
or TP53 mutations, for whom
                                       risk features and are able to
chemo-immunotherapies are
                                       control CLL in difficult-to-treat
not suitable, can be treated with
                                       patients better than currently
the targeted therapies B-cell
                                       approved therapies. This makes
receptors inhibitors such as
                                       them the drugs of choice for CLL
ibrutinib and idelalisib, or B-cell
                                       patients with TP53 mutations
lymphoma-2 inhibitors such as
                                       and patients resistant to chemo-
venetoclax.
                                       immunotherapy. Both idelalisib

                                      Helpline freephone 08088 010 444       17
How is relapsed CLL treated?
     (cont.)

     and ibrutinib in combination          Ibrutinib
     with monoclonal antibodies have
                                           The approval of ibrutinib as
     improved survival in relapsed/
                                           initial therapy for CLL patients
     refractory CLL.
                                           was based on the phase 3
     Idelalisib in combination with        RESONATE 2 trial in which 269
     rituximab                             previously untreated CLL patients
                                           >65 years received ibrutinib or
     Idelalisib is currently only
                                           chlorambucil. After a follow-up
     approved for relapsed/
                                           period of 18.4 months, patients
     refractory CLL when combined
                                           on ibrutinib showed a significant
     with rituximab, based on the
                                           increase in overall survival with
     pivotal phase 3 trial which
                                           an estimated survival rate at 24
     compared treatment with the
                                           months. Overall response rate
     combination against rituximab
                                           was also significantly improved
     alone. In this randomised trial,
                                           with ibrutinib compared with
     the investigators recruited 222
                                           chlorambucil. Complete remission
     patients >65 years, who had been
                                           was achieved by five patients
     treated with first-line treatment
                                           receiving ibrutinib compared
     but relapsed within 24 months,
                                           with two patients receiving
     and had decreased renal function
                                           chlorambucil.
     as well as previous therapy-
     induced myelosuppression.             Positive responses with idelalisib
     Treatment with the combination        and ibrutinib are increasingly
     of idelalisib and rituximab, when     being reported in patients with
     compared with rituximab alone,        relapsed/resistant CLL. However,
     significantly improved overall        for a number of patients with
     response and overall survival at 12   relapsed CLL, who were classified
     months in patients with relapsed      as high-risk, these therapies do
     CLL who were less able to undergo     not achieve a long-term response.
     chemotherapy. The clinical benefit
     of this drug was also present in      Venetoclax
     the high-risk patients with del       Venetoclax is an inhibitor of
     (17p) and/or TP53 mutation.           the activity of a protein called

18      www.leukaemiacare.org.uk
B-cell lymphoma-2. This protein          a complete response achieved in
regulates the natural death              20%.
of cells, particularly cancer
cells. In the United Kingdom,            Rechallenge with first-
venetoclax has conditional               line treatments
approval for CLL when other
                                         Patients with CLL who have
treatments have failed or are
                                         relapsed can be re-challenged
unsuitable. Conditional approval
                                         with the first-line treatments
for marketing authorisation
                                         of FCR or the combination of
(available for prescription) was
                                         bendamustine and rituximab, but
granted because additional data
                                         this is extremely rare.
is being considered; however, the
use of venetoclax in the interest        FCR
of public health and the benefit of
                                         For patients without the high-risk
immediate availability outweighs
                                         features for being refractory to
the risk from less comprehensive
                                         therapy or having chromosome
data than normally required.
                                         17 abnormalities, FCR is an
NICE recommends the use of               effective and safe therapy. For
venetoclax in patients with a 17p        high-risk and elderly patients,
deletion or TP53 mutation, and           optimal treatments still need to
whose disease has progressed             be defined.
despite treatment with
                                         Bendamustine and rituximab
chemo‑immunotherapy and a
                                         combination
B‑cell receptor inhibitor.
                                         For the many CLL patients >65
In a phase 1 study to determine          years who experience severe
the best dose of venetoclax to           toxicity with FCR (because
use in safety and efficacy trials        of the serious infections and
(dose-escalation study), the             suppression of the bone marrow),
overall response rate across             bendamustine combined with
all doses of 116 patients who            rituximab (BR) is commonly used
received venetoclax was 79% with         as it is better tolerated.

                                      Helpline freephone 08088 010 444     19
How is relapsed CLL treated?
     (cont.)

     Allogeneic stem cell                  does not respond to two lines
                                           of treatment and shows an
     transplantation                       objective response to B-cell
     The treatment options described       receptor inhibitors or to
     previously may render allogeneic      treatment in a clinical trial
     stem cell transplantation (ASCT)
     outmoded because patients            •• CLL which does not show
     can now be maintained in a            an objective response or
     prolonged disease-free state          progresses after B-cell receptor
     with these treatments, even if        inhibitors, regardless of whether
     they are not curative. However,       an objective response is
     especially for young healthy          achieved
     patients, ASCT remains the only
     potentially curative option if
                                          Supportive therapy
     they are fortunate enough to         Supportive therapy or palliative
     have a suitable donor. ASCT is       care is valuable during treatment
     rarely offered to patients aged      in each phase of CLL to offset any
     >70 years. Clinical practice         complications, particularly for
     recommendations for the role of      patients with high-risk features.
     ASCT in the current management       Supportive therapies given during
     of relapsed CLL has relegated        treatment for relapsed CLL may
     its use to later in the disease. A   include antibiotics, antivirals, or
     recent paper summarising the         antifungals to combat infection,
     clinical findings of physicians      and leukapheresis to separate out
     with expertise of ASCT in CLL has    large numbers of white blood cells
     recommended ASCT for patients        from the blood. For more details,
     with the following:                  see the palliative care section
                                          later in the booklet.
     •• CLL which is refractory or
       progresses despite treatment       Clinical trials
       with B-cell receptor inhibitors
                                          For some patients, including
     •• CLL in high-risk patients which   those with poor treatment
                                          responses associated with the

20      www.leukaemiacare.org.uk
del17p mutation, TP53 mutation            response to treatment and your
and a lack of mutated IgVH,               state of health. It is possible that
participation in clinical trials can      your CLL will progress slowly and
offer another treatment option,           remain controlled with targeted
as clinical trials are currently          therapy. Alternatively, you may
making excellent progress in              go into remission for many years,
the treatment of CLL. Moreover,           during which time you will not
clinical trials represent a strong        have any symptoms and your
contribution to CLL management,           blood tests will be clear.
as well as access to newer
                                          In the event of a relapse, you
medications which may not be
                                          will be offered further treatment
available on the NHS, and the
                                          to help you reach a second
possibility in the future with the
                                          remission. If the new targeted
development of new treatments.
                                          therapies are not successful,
Details of trials in the treatment        you may be offered intensive
and management of CLL which are           treatment with an ASCT,
recruiting patients can be found          depending on your age and state
online at clinicaltrials.gov              of health, but this is rare due to
                                          the further treatments options
Prognosis                                 that are now available.
The majority of patients will             The two most important genetic
experience a relapse within               prognostic markers for CLL that
five years of starting chemo              significantly affect the course
immunotherapy, and for patients           of the CLL and the likelihood of
with a duration of first remission        relapse are:
less than three years prognosis is
worse. However, on the whole, CLL         •• Chromosome 17 deletion 17p,
is not seen to have an impact on            del(17p), which occurs in 30% of
natural lifespan.                           patients who relapse

Your prognosis will vary according        •• TP53 mutations and/or no IgVH
to the phase of your CLL, your              mutation

                                       Helpline freephone 08088 010 444          21
How is relapsed CLL treated?
     (cont.)

     The poor treatment responses,
     and shorter time before relapse
     associated with the del17p
     mutation, TP53 mutation and lack
     of mutated IgVH are the focus for
     using new therapies to treat CLL.

22      www.leukaemiacare.org.uk
Helpline freephone 08088 010 444   23
Seeing your doctor

     Your symptoms                          Examples of questions to ask the
                                            doctor:
     Whatever symptoms you have,
     make sure you write a list of all      •• How would I know if I my CLL
     of them to share with your doctor        came back?
     as they may be important to your
     treatment.
                                            •• What tests will I need to have?
                                            •• What will the tests show?
     Your appointment
     Arranging an appointment with
                                            •• How long will it take to get the
                                              results back?
     your general practitioner (GP)
     or your consultant will be one         •• How common is it to have a
     of the first things you will need        relapse?
     to do when you start to notice
     symptoms. Pick a time convenient       •• What sort of treatment will I
     for you that you know you will be        need?
     able to attend. If there is a chance   •• How long will my treatment
     that you might be experiencing           last?
     a relapse, you will be referred to
     the hospital who will be able to       •• How will I know if my treatment
     confirm this through tests.              has worked this time?

     Your preparation                       •• What will the side effects be?
     It is important to know exactly        •• Are there any foods or
     what you would like to ask               medications I need to avoid?
     your doctor. Make a list of your
     questions and leave spaces for
                                            •• Will I be able to go back to work?
     the answers so you can write           •• Where can I get help with
     them down when you see the               claiming benefits and grants?
     doctor. This way you can go into
     the meeting ready and prepared.        •• Where can I get help dealing
                                              with my feelings?

24      www.leukaemiacare.org.uk
Talking to your doctor                   that nothing has been missed or
                                         forgotten.
Be honest with your doctor; they
have seen and heard everything           The next steps
before, so there is no need to feel
                                         Always ensure that you leave the
embarrassed about anything. If
                                         GP surgery, or the hospital, having
you saw your healthcare team
                                         shared everything you know
before seeing your doctor, be
                                         about your condition, with all of
sure to share with your doctor
                                         your questions answered, and
everything your healthcare team
                                         knowing exactly what the next
told you about your relapse, the
                                         steps are, whether it is more tests,
blood tests you had performed,
                                         further treatment or palliative
and the next steps in your CLL
                                         care. You can ask for a summary
journey.
                                         letter of the consultation to have
If you want to, ask if you will          everything in writing. Your doctor
receive more intensive treatment         will generally send a letter like
or palliative care. However, it is       this to your GP.
important to remember that this
                                         Furthermore, be sure to access
is only offered if other lines of
                                         all of the other support available
treatment are exhausted or you
                                         to you as this may be able to help
decide you no longer want further
                                         you with your feelings towards
treatment. It is increasingly rare
                                         your diagnosis and treatment.
for patients to die due to their CLL.

Your support
If it helps, take a family member
or friend in with you for support.
Some people take a pen and paper
in to make notes, and repeat back
to their doctor everything they
have been told to ensure that they
are both on the same page and

                                      Helpline freephone 08088 010 444     25
Telling your family

 Planning who to tell                  people in an environment where
                                       both of you can hear each other
 Telling your family and friends       clearly and where there are likely
 that you have suffered a relapse      to be no interruptions.
 can be difficult, especially since
 you already went through it with      How to say it
 your initial CLL diagnosis. One
                                       Although it is upsetting that you
 positive aspect to this is that you
                                       have relapsed and the people
 already have your team in place,
                                       you tell may get upset for you, it
 so once they know what your
                                       is important to try and remain
 situation is, they can help and
                                       positive and optimistic when
 support you like they did before.
                                       talking. Even though a relapse
 You may want to create a list of      is unfortunate, it is not the end
 people you want to tell, starting     of the world, as there are further
 with close family and friends, and    treatment and supportive care
 then extending it beyond, from        options available.
 your colleagues at work to friends
 in your neighbourhood.                How to respond
                                       You may receive similar
 Planning what to say                  responses to when you told people
 It is important to know what          about your initial diagnosis.
 you want to say and exactly how       Naturally they will feel sad, and
 much you want people to know.         concerned for you. Everyone deals
 Being clear in your mind about        with this type of news in their own
 that before speaking to anyone        way, from shock and silence, to
 will make this a much smoother        questions and support.
 experience. Know your story that
                                       Invariably, people respond
 you want to tell, the diagnosis,
                                       positively, which in turn means
 the prognosis, the next treatment
                                       you will respond back positively.
 steps, and what you expect to
 be going through physically and
 emotionally. Be sure to speak to

26    www.leukaemiacare.org.uk
Accepting help
                                         You can receive help from
Sometimes people feel guilty for
their cancer relapsing, that they
                                         us on how to speak to
weren’t strong enough, and that          your friends and family
they will be a burden on those           following a relapse.
around them. This is where your          You can visit www.
loved ones come in, so make sure         leukaemiacare.org.uk,
you do ask for and accept offers to      or call 08088 010 444, to
help and support you in the next         find out more.
stages of your CLL journey. Do not
try to cope on your own. If they
offer to help, tell them that you
will get in touch when you need
them.

Repeating yourself to different
people can become burdensome,
which is where your network of
family and friends can help you
out, by telling those beyond them
about your current situation.

                                    Helpline freephone 08088 010 444   27
Managing your emotions

 Being told that your cancer has        relapse and carrying on with your
 returned may be difficult for          life will help ease any anxieties.
 you to deal with, especially after     Help, care, kindness and support
 all your time and effort during        will be available to you from your
 treatment and remission period.        healthcare team, and you will
                                        have access to counsellors and
 Indeed, you may have a positive
                                        therapists when you need it.
 demeanour, which will obviously
 be helpful to you during the next      Isolation
 steps in the management of your
 CLL. However, you may experience       If you have received a diagnosis of
 a range of emotions, including         relapse, and the next steps don’t
 uncertainty, isolation, anxiety,       involve intensive treatment, you
 anger, sadness and depression.         may feel a break in your routine.
 Understanding each emotion and         You may feel alone because
 developing ways that help you          you will no longer enjoy regular
 deal with them will help you move      meetings with your healthcare
 forward with your life.                team who provide you with
                                        information and reassurance,
 Uncertainty                            or fellow patients who can
                                        provide you with empathy and
 You may think "What happens
                                        compassion.
 next?". You may be unsure about
 your health and what the future        Alternatively, you may feel this
 holds for you. You may or may          break in routine allows you to
 not have had meetings with your        be around those closest to you,
 healthcare team to discuss the         and follow your regular routine of
 next steps following your relapse.     work and play. Being around those
 Once you have a clear path set out     closest to you, such as your family
 in front of you, you will be able to   and friends, can be positive and
 develop a clearer picture of where     negative.
 you are headed. Gaining a sensible
                                        Let them know what you do and
 balance between being vigilant
                                        don’t want to do, how you do
 about your symptoms following

28   www.leukaemiacare.org.uk
and don’t wish to be treated,            help you to cope with the physical
and what you do and don’t feel           effects of anxiety. Cognitive
comfortable talking about.               behavioural therapy can help you
Sometimes, it is difficult for your      deal with your worrying thoughts.
family, friends and colleagues
to understand what you are               Anger
feeling and going through. Being         Feeling angry after a relapse is
clear will help create the kind of       natural and normal. You may be
positive, supportive, and caring         angry with yourself, your body,
environment that will help as you        with the healthcare team or
move forward with your life.             with family and friends. You may
                                         display your anger as impatience,
Anxiety                                  irritability and frustration with
Being fearful of the unknown,            people and things that would not
especially when we are feeling           normally bother you.
threatened, is natural. You may
                                         Understanding exactly what is
experience an increased heart
                                         making you angry will help you
rate, rapid breathing, and muscle
                                         deal with your feelings effectively.
tension. These things help us to
                                         In addition, setting yourself
face a danger or run away. These
                                         achievable goals that stretch you
changes in you are part of the
                                         will help reduce the anger and
‘fight or flight’ response. Any
                                         impatience you feel, especially
feeling of discomfort, pain or even
                                         with each passing success. Don’t
another appointment with your
                                         forget to congratulate yourself for
healthcare team may elicit such
                                         each successfully completed task,
responses, and give you sleepless
                                         however small.
nights or feelings of worry. This is
completely natural.                      Physical exercise is a great
                                         way to release your anger and
Such reflexes and responses will
                                         frustrations, and channel your
ease over time with the building
                                         energy positively with no negative
of daily routines and planning
                                         impact on your body. Talking
things for the future, which will

                                       Helpline freephone 08088 010 444     29
Managing your emotions
 (cont.)

 about your feelings, letting them      do as much as you can and try
 out, will also help stop you lashing   and talk about your thoughts and
 out at people and keep you calm.       feelings. This will help lighten
                                        your burden and put things into
 Sadness and                            perspective. If you have made
 depression                             any acquaintances or friends in
                                        the same position as you, talk
 Relapsing will bring back some,
                                        to them over coffee as they will
 if not all, of the feelings you felt
                                        understand exactly what you are
 when you were first diagnosed
                                        facing.
 with your CLL. You may feel a
 sense of loss of the person you
                                        Self-confidence
 used to be, and how safe you felt.
 You may also feel that your illness    Being forced to readjust from your
 is a heavy burden on those around      daily routine during remission
 you. You might be feeling low,         back into one involving multiple
 which is a natural effect of your      visits to the hospital for further
 illness, treatment and recovery.       treatment, or moving into
 However, if this low mood persists     palliative care, can take its toll.
 for more than several weeks,           This interruption of your life, along
 and you feel hopeless, and             with your lack of energy because
 lose interest and pleasure with        of your CLL and the effects of your
 things in life, then you may have      treatment, can impact on how
 depression.                            you feel about your appearance
                                        and how you feel emotionally. In
 Your first steps should be to          turn, this can knock your self-
 speak to your loved ones around        confidence and self-esteem.
 you about your mood and state          Your feelings of relief, hope, and
 of mind, and then contact your         optimism have just been replaced
 GP. You may lift the way you feel      with their polar opposites.
 by engaging in activities that
 you were enjoying before your          You can gradually build your self-
 relapse and initial diagnosis, to      confidence and self-esteem back
 connect back with your life. Only      up by engaging in the activities

30   www.leukaemiacare.org.uk
you did before your diagnosis, and     can help quieten your mind and
socialising with family, friends,      remove the stress of coming to
and fellow patients. This will help    terms with your diagnosis, so you
create a supportive atmosphere to      feel calmer and more relaxed.
get you back to your old self.

Mindfulness and
relaxation
Simple practices from
mindfulness and relaxation
techniques can help you calm the
mind, release tension and ease
any pain in your muscles.

•• Put yourself in a relaxing
  environment, sitting or lying
  down comfortably.

•• Loosen your clothing so you can
  move more freely.

•• Calmly breathe in through your
  nose, and out through your
  mouth, developing a steady
  natural rhythm, focusing on
  your chest and abdomen as you
  do so.

•• Visualise that you are inhaling
  positivity and exhaling
  negativity.

By taking some time out of your
day to do these exercises, you

                                     Helpline freephone 08088 010 444      31
Survivorship

 Someone who is living with or is       the end of treatment until the end
 beyond a cancer diagnosis can be       of life. At this point, your routine
 considered a cancer survivor.          of meeting frequently with your
                                        healthcare professionals also
 Survivorship can be defined as:
                                        ends, so you may feel a mixture
  "...cover[ing] the physical,          of emotions from relief to fear,
 psychosocial and economic              anxiety and uncertainty about the
 issues of cancer, from diagnosis       future. You may wonder how you
 until the end of life. It focuses      will slot back into your life after
 on the health and life of a            coming through the treatment
 person with cancer beyond the          period.
 diagnosis and treatment phases.
                                        Your survivorship pathway began
 Survivorship includes issues
                                        at the point when you were
 related to the ability to get health
                                        diagnosed with CLL. By this point,
 care and follow-up treatment, late
                                        you will have been starting to
 effects of treatment, secondary
                                        receive support for work, finance,
 cancers and quality of life. Family
                                        and personal relationships
 members, friends and caregivers
                                        through to managing pain, fatigue
 are also part of the survivorship
                                        and making positive lifestyle
 experience."
                                        changes, such as starting a
 When living with cancer,               healthy diet and gentle exercising.
 especially if you are relapsing
                                        Your individual needs as a patient
 after remission, you will face new
                                        will be identified and addressed,
 challenges to cope with from
                                        including:
 physical to psychological and
 social ones. Survivorship aims         •• Dealing with the emotional
 to provide personalised care             impact of receiving a diagnosis
 based on your need to improve            of relapse which may have
 your health, wellbeing, quality          created feelings of uncertainty,
 of life, and your confidence and         fears of recurrence and
 motivation, to help you manage.          difficulties in planning for the
 Survivorship also focuses on your        future. These will be discussed
 health and life with cancer after        with you to develop your

32   www.leukaemiacare.org.uk
individualised care plan with        •• Preparing you fully for
  support from social care staff         the impact of relapse and
  and therapists, as you need it.        treatment, the physical and
                                         physiological side effects
•• Improving your quality of life        of treatments and the
  through efficient and co-
                                         psychological impact of CLL
  ordinated care during your
                                         relapse in general. You will be
  treatment, with effective
                                         provided physical equipment,
  communication within the
                                         and taught about various
  treatment team, and a positive
                                         coping strategies to adapt to
  attitude.
                                         your new situation.
•• Taking care of any comorbidities •• Supporting you with advice
   – that is, other medical
                                         for social and financial
  conditions and diseases
                                         difficulties, including caring
  – and offering you cancer
                                         responsibilities, your inability to
  rehabilitation based on your
                                         participate in social activities,
  clinical needs as assessed by
                                         any debt and financial worries
  informed professionals, and
                                         from not being able to work, and
  ensuring compliance with the
                                         perhaps the need to return to
  National Cancer Rehabilitation
                                         work before you feel ready.
  Pathways.
                                       •• Receiving health and nutrition
•• Providing you with a treatment        advice from a nutritionist
  summary from diagnosis of
                                         on following a healthy and
  your relapse to the end of your
                                         balanced diet to help improve
  treatment. This would include
                                         your general health and
  any ongoing medication and
                                         wellbeing. The World Cancer
  noting possible symptoms that
                                         Research Fund published a
  may occur in the future. You
                                         report for cancer survivors
  would also be provided details
                                         which suggests that even small
  of who to contact in addition to
                                         dietary and lifestyle changes
  your GP for any concerns you
                                         can produce large health
  may have.
                                         benefits.

                                     Helpline freephone 08088 010 444      33
Palliative care

 Palliative care in                      occupational therapists,
                                         complementary therapists, and
 relapsed CLL                            religious leaders, if you would like
 Palliative care, also known as          this. Your palliative care services
 supportive care, involves a holistic    may be provided by the NHS, local
 or "whole person" approach, which       council or a charity. You may
 includes the management of your         receive day-to-day care at your
 pain and symptoms as well as            home and at the hospital.
 psychological, social and spiritual
 support for you and your loved          What is the clinical
 ones.                                   course?
 Palliative care aims to reduce          You will have experienced a
 your symptoms, control your CLL,        protracted cycle of relapses and
 extend your survival, and give          remissions, and be prone to
 you and your loved ones the best        frequent infections because of
 quality of life possible. Your doctor   the CLL and the impact of your
 will discuss the options with you       treatments. Your chemotherapy
 in detail before you decide the         may continue because of
 next steps.                             potential remission and/or useful
                                         palliation.
 Who provides palliative
                                         You may experience various pains
 care?                                   and other clinical complications
 Your palliative care will be            such as:
 provided by a team of health and
 social care professionals trained       ••Bone pain: Radiotherapy and/
 in palliative medicine who will           or oral steroids, and sometimes
 coordinate your care.                     non-steroidal anti inflammatory
                                           drugs (NSAIDs), may be used,
 These professionals can include           although these are used with
 your GP, hospital doctors and             caution because they can
 nurses, community nurses,                 interfere with your immune
 hospice staff and counsellors,            system and kidney function.
 social care staff, physiotherapists,
                                         ••Bone marrow failure: Blood

34    www.leukaemiacare.org.uk
and platelet transfusions               vertebrae of the spinal column:
 are provided to prevent and             Treatments can include
 fight recurrent infections and          analgesics, antidepressants
 bleeding episodes.                      and/or anticonvulsant
                                         medication used in tandem
••Oral problems: Analgesic               with opioids.
 mouth washes and topical
 ointments may help with               ••Hypercalcaemia: Treatment
 ulceration. Chewing gum, and            is usually with intravenous
 mouth washes have been shown            hydration and intravenous
 to help with dry mouth, dental          bisphosphonates.
 caries and oral thrush.
                                       ••Loss of appetite: Low-dose
••Night sweats and fever: These          steroids may temporarily
 can place a heavy burden on             boost the appetite, while small,
 carers because of so many               frequent and appetising meals
 changes of night clothes and            and supplement drinks will also
 bedding.                                help.

••Pathological fractures:
 Orthopaedic intervention and
 subsequent radiotherapy,
 with consideration given to
 prophylactic pinning of long
 bones and/or radiotherapy
 to prevent fractures will be
 performed. This will reduce
 the likelihood of complex pain
 syndromes developing.

••Spinal cord compression:
 Immediate high single daily
 dose oral steroids will be given.

••Back pain from wedge
 and crush fractures of the

                                     Helpline freephone 08088 010 444   35
End of life care

 When does end of life                     Who provides end of
 care begin?                               life care?
 If you have relapsed and are going        A team of health and social care
 through palliative care, you may          professionals may be involved
 be offered end of life care. End of       in your end of life care, including
 life care begins when you need it         hospital doctors and nurses, your
 and may last a few days, months           GP, community nurses, hospice
 or years.                                 staff and counsellors, social
                                           care staff, physiotherapists,
 What does end of life                     occupational therapists or
 care involve?                             complementary therapists, and
                                           religious leaders, if you would like
 End of life care is support for
                                           this. If you are being cared for at
 people who are in the last few
                                           home or in a care home, your GP
 months or years of their life. The
                                           will have overall responsibility for
 aim is to help you enjoy a good
                                           your care with the support from
 quality of life until you die, and to
                                           community nurses, along with
 die with dignity. The professionals
                                           your family and friends.
 looking after you will ask
 you about your wishes and
                                           What choices do I have
 preferences on how to be cared
 for and put these into action. They       in terms of end of life
 will also provide support to your         care?
 family, carers and loved ones. You        Deciding where you want to die
 will be able to decide where you          can be a difficult choice to make.
 will receive end of life care, be it at   Working out what you and your
 home or in a care home, hospice           loved ones want, together with
 or hospital. The same will be true        seeing what services are available
 of where you would like to die.           to you can help to make the
 Wherever you are, you will receive        decision a little easier.
 high quality end of life care.
                                           ••Staying at home - A place of
                                             familiarity, surrounded by your
                                             loved ones, may be something

36   www.leukaemiacare.org.uk
that you will find reassuring.         cannot always be tailored to
 External care professionals will       your specific needs. Pressures
 be able to visit you at home to        on the NHS mean that your
 make sure your symptoms are            stay will only be as long as
 looked after.                          strictly required. As soon as the
                                        condition you were admitted
••Hospices – Specialised in             for has been resolved, you will
 looking after those with life-
                                        need to go back to your home
 limiting illnesses and those
                                        or nursing home. However, a
 who are coming to the end of
                                        number of specialists will be
 their life, hospices are staffed
                                        available to help look after you
 with care professionals who
                                        for specific problems, and a
 are able to keep an eye on you,
                                        number of hospitals also have a
 make sure that your symptoms
                                        designated palliative care team
 are controlled and offer you a
                                        for patients who require them.
 number of services to make
 your stay as comfortable as          Whatever your choice, speak
 possible. For more information       with your GP or healthcare team
 on the care that they can            who will able to help you put
 provide, go to https://www.          everything into place.
 hospiceuk.org/

••Residential care/nursing
 homes - If you think that your
 stay may be a few months or
 more, then a nursing home may
 be more suitable than a hospice.
 These can be private or run by
 a charity or the local council so
 be sure to check if there are any
 fees.

••Hospitals - Although you
 may be used to staying in a
 hospital ward, the care routine

                                    Helpline freephone 08088 010 444    37
Glossary

 Allogeneic Stem Cell Transplant      cells are not fully developed and
 (ASCT)                               are called blasts or leukaemia
                                      cells.
 Stem cell transplant of cells from
 a matching donor.                    Bone Marrow Failure
 Amino Acids                          Term used when the bone marrow
                                      is unable keep up with the body’s
 Organic molecules which are
                                      need for white and red blood cells
 the building blocks for making
                                      and platelets.
 proteins.
                                      Central Nervous System
 Anaemia
                                      Part of the nervous system which
 Condition where the number of
                                      includes the brain and spinal
 red blood cells, which contain
                                      cord.
 haemoglobin and transport
 oxygen to body cells, are reduced.   Chemotherapy
 This may be due to a lack of iron,
                                      Drugs that work in different ways
 leukaemia or sickle cell disease.
                                      to stop the growth of cancer cells,
 Antibody                             either by killing the cells or by
                                      stopping them from dividing.
 Protein produced by the B-cell
 lymphocytes in response to           Chromosomes
 a specific antigen, such as
                                      Thread-like structures which carry
 a bacteria, virus, or foreign
                                      the genes, and are located in the
 substance in the blood.
                                      nuclei of every cell in the body.
 Antigen                              There are 46 chromosomes (23
                                      pairs) in humans.
 Toxin or other foreign substance
 which induces an immune              ClinicalTrials.gov
 response in the body, especially
                                      ClinicalTrials.gov is a database
 the production of antibodies.
                                      of trials and includes details of
 Blasts                               276,190 research studies in 204
                                      countries.
 Patients with leukaemia have a
 high number of abnormal white
 blood cells. These white blood

38    www.leukaemiacare.org.uk
Clonal                                   found in the nucleus of each cell
                                         in the body which carries genetic
Refers to an organism descended          instructions used in the growth,
from, and genetically identical, to      development and functioning of
a single common ancestor.                the individual’s cells.
Complete remission                       Fatigue
Complete remission is said to            Tiredness and weakness
have occurred when the following         rendering the patient unable to
conditions have been met:                work or perform usual activities.
•• Blood cell counts returned to         Flow Cytometry
  normal
                                         Technology used to analyse
•• Less than 5% of blasts                the physical and chemical
  (abnormal, immature, early             characteristics of particles in a
  lymphocytes) are still present in      fluid as it passes through at least
  the bone marrow                        one laser. Cell components are
                                         fluorescently labelled and then
•• There is no leukaemia present         excited by the laser to emit light
  elsewhere in the body
                                         at varying wavelengths.
Cytogenetics
                                         Fluorescence in Situ
Branch of genetics that is               Hybridisation (FISH)
concerned with how the
                                         Process using fluorescent
chromosomes relate to cell
                                         dyes to attach to certain parts
behaviour, particularly to their
                                         of chromosomes for their
behaviour during division and
                                         identification.
reproduction.

Cytotoxic Drugs                          Genes
                                         Genes are made up of DNA which
Drugs that are toxic to cancer
                                         stores the genetic information
cells and prevent their growth and
                                         required to make human proteins.
replication.

DNA (Deoxyribonucleic Acid)              Immunophenotyping
                                         Process that uses antibodies to
Thread-like chain of amino acids

                                      Helpline freephone 08088 010 444       39
Glossary (cont.)

 identify cells based on the types    system (part of the body’s
 of antigens or markers on the        immune system) that contain
 surface of the cells. This process   lymphocytes which produce
 is used to diagnose specific types   antibodies and macrophages to
 of leukaemia and lymphoma            digest dead cells. Lymph nodes
 by comparing the cancer cells        are swollen with cell fragments in
 to normal cells of the immune        the event of infection or cancer.
 system.                              They are located mainly in the
                                      spleen but also in the neck,
 Immunotherapy                        armpit and groin.
 Treatment that uses the body’s
 own immune system to fight the       Minimal Residual Disease
 cancer.                              (MRD)
                                      Measure of the presence of
 Leukopenia                           leukaemia at a molecular level
 Abnormally low number of white       rather than at a cell level. It
 blood cells in the blood.            is measured using molecular
                                      techniques such as flow
 Leukaemia                            cytometry and polymerase chain
 A group of cancers that usually      reaction analysis.
 begin in the bone marrow
 and result in high numbers of        Morbidity
 abnormal white blood cells. These    Refers to having a disease or a
 white blood cells are not fully      symptom of a disease.
 developed and are called blasts
 or leukaemia cells. Depending        Phase 1 Trial
 on the type of white blood cell      Small trial (up to 30 volunteers)
 involved, there are different        to confirm if the drug behaves
 types of leukaemia with varying      as expected, determine its side
 characteristics, such as being       effects, and how the body reacts
 acute (develop quickly) or chronic   to the drug.
 (develop slowly).
                                      Phase 2 Trial
 Lymph Nodes                          Medium trial (up to 100
 Components of the lymphatic          volunteers/patients) to confirm

40    www.leukaemiacare.org.uk
the drug’s safety, find the best         Protein Kinase Inhibitor
dose to use, assess the drug’s
                                         Protein kinase inhibitors block
effectiveness if the trial is in
                                         the protein kinase enzymes that
patients, and determine the value
                                         are involved with cell growth,
of studying it in large numbers of
                                         thereby preventing the growth of
patients in a Phase 3 trial.
                                         the cancer cells.
Phase 3 Trial
                                         Refractory
Large clinical trial (more than
                                         Refractory CLL occurs when the
100 patients) that collects
                                         cancer has not responded to first-
information on a drug’s safety
                                         line treatment.
and effectiveness using different
populations and different                Relapse
dosages, and by comparing it to
                                         A relapse is when a patient
other known drugs for a condition.
                                         initially responds to leukaemia
Phase 4 Trial                            therapy but, after six months or
                                         more, response stops. This is also
Trial conducted once a drug has
                                         sometimes called a recurrence.
been granted a licence to find out
more about a drug’s side effects,        Remission
its long-term risks and benefits,
                                         Remission occurs when the
or how well it works when it’s used
                                         following conditions are met:
more widely.

Platelets
                                         •• Blood cell counts returned to
                                           normal
One of the types of blood cell
which helps to stop bleeding.            •• Less than 5% of blasts (early
                                           stem cells) are still present in
Prognosis                                  the bone marrow
Indication of how well a patient is      •• There is no leukaemia present
expected to respond to treatment           elsewhere in the body (minimal
based on their individual                  residual disease)
characteristics at the time of
diagnosis or other timepoint in          Salvage Chemotherapy
the disease.                             Chemotherapy given to a patient

                                      Helpline freephone 08088 010 444        41
You can also read