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Blood Health 2019

Lack of awareness and the indolent nature make bone marrow cancer in Ireland more challenging to detect

photo credit: iStock / Getty Images Plus / InnerVisionPRO

Dr Siobhan Glavey MB PhD FRCPath

Consultant Haematologist, Beaumont Hospital and Senior Clinical Lecturer Royal College of Surgeons in Ireland

A lack of awareness for bone marrow cancer in Ireland

This lack of awareness, along with the fact that this disease can be silent initially, means that, for some patients, complications of the disease have already occurred at the time of diagnosis.

Multiple myeloma is a cancer that develops from bone marrow cells called plasma cells. These cells normally function as part of our immune system and make proteins needed to fight infection.

In multiple myeloma, though, these cells make an unhealthy protein that can be detected using a blood or urine test, and this protein can build up in the blood and cause problems like kidney failure. ‘Multiple’ refers to the many sites of bone marrow that are affected, leading to cavities in bone that can be seen on scans, or to painful bone fractures.

Clinical trials allow patients to access treatments that have not yet been approved for use within Ireland.

Back pain could be a symptom of bone disease

Patients who need treatment for multiple myeloma have usually developed at least one of what are known as the CRAB criteria; C – high Calcium levels, R – kidney/renal failure, A – Anaemia or B –bone disease.

Bone disease can cause back pain. This is a common symptom in the general population. Attribution doesn’t initially fall to multiple myeloma.

New treatments for multiple myeloma have improved survival

The average age of diagnosis is 75, but one third of patients are under 65 years of age. Due to improvements in new treatments for multiple myeloma over the last 15 years, the outlook for patients has greatly improved.

Currently in Ireland, survival rates for multiple myeloma are reaching best international standards, with over 50% of newly diagnosed patients living five years or longer.

This is due to their successful combination with autologous stem cell transplant for some patients.

A need for myeloma treatment strategies

However, this remains an incurable disease and the vast majority of patients will eventually relapse and require further treatment, therefore new treatments and treatment strategies are needed.

Patients gain access to treatments that have not yet been approved for use within Ireland through clinical trials. They therefore would not otherwise be able to access them. They are essential to the development of cancer treatment programmes and the advancement of cancer care.

Due to the work of Blood Cancer Network Ireland and Cancer Trials Ireland, new treatments and drug combinations have been made available to multiple myeloma patients in Ireland. But further investment is needed to attract clinical trials and make them available to the patients who will benefit most.

Refinements in genetic testing for a personalised approach to treatment

In recent years, it has become apparent from several studies that the fewer cancerous plasma cells present in the bone marrow following initial treatment, the longer the remission and survival for that individual patient. MRD ‘minimal residual disease’.

Similarly, we also know that certain genetic markers found in the plasma cells can help to predict survival. These biomarkers are specific to individual patients. Furthermore, they might help us to identify which patients might benefit from which treatments and when.

At Beaumont Hospital and Royal College of Surgeons in Ireland (RCSI), we will soon open a new study looking at a combination of MRD and a genetic test that incorporates 92 genes from plasma cells, to try to identify how patients will respond to treatment, and to learn more about predicting prognosis.

We hope that in the future this will lead to personalised medicine for multiple myeloma patients in Ireland.

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