Pomalidomide Specific Targeting in Relapsed and Refractory Myeloma (MUK Seven)
Multiple myeloma is a cancer that develops in the bone marrow. Even after successful treatment, the cancer can return (relapse) or stop responding to medicines (refractory). When this happens, doctors need safe and effective new options. Currently, a standard NHS treatment combines two medicines: pomalidomide and a steroid called dexamethasone. This trial, called MUK Seven, tests whether adding a third medicine, cyclophosphamide, helps treat myeloma more effectively. Around 250 patients across the UK will take part. Half will receive the standard two-drug combination, while the other half will receive all three medicines. Patients take their treatment in four-week cycles and visit the hospital regularly for check-ups. Doctors will also examine blood and bone marrow samples to learn how the drugs work in the body and to find clues that predict who will benefit most.
At a glance
What is this study about?
Multiple myeloma is a type of blood cancer that affects plasma cells inside the bone marrow. The bone marrow is the spongy tissue found inside our bones where blood cells are made. While modern treatments can keep myeloma under control for long periods, the disease often returns or becomes resistant to the medicines used. When this happens, it is known as relapsed or refractory myeloma.
In the NHS, patients in this situation often receive a combination of two medicines: pomalidomide (an anti-cancer medicine that supports the immune system) and dexamethasone (a steroid). This study is exploring whether adding an established chemotherapy drug called cyclophosphamide can make the treatment work better and keep the cancer away for longer.
Researchers also want to understand the biology behind why some people respond well to these drugs while others do not. By collecting and testing blood and bone marrow samples throughout the study, scientists hope to discover biological 'markers'. In the future, these markers could help doctors match individual patients with the treatment most likely to work for them, moving closer to truly personalised cancer care.
Key takeaways
- Tests whether adding cyclophosphamide to a standard two-drug treatment improves outcomes for relapsed myeloma.
- Designed for adults who have already received at least two prior lines of myeloma therapy.
- Participants are randomly assigned to receive either two or three medicines in four-week cycles.
- Requires regular hospital visits, blood tests, and bone marrow checks to monitor progress.
- Taking part is voluntary, and you are free to leave the trial at any point.
Who may be eligible?
This study is open to adults aged 18 and older who have been diagnosed with active multiple myeloma that needs further treatment. To join, your cancer must have either returned or stopped responding to past treatments.
You must have already tried at least two other types of myeloma treatment in the past. These previous treatments must have included specific medicines known as proteasome inhibitors (such as bortezomib) and lenalidomide, as well as another common type of chemotherapy known as an alkylating drug.
You will also need to be reasonably active and well enough to carry out daily tasks, have an expected life span of at least three months, and meet safe blood test targets for your kidneys, blood counts, and calcium levels. Your hospital doctor will review these tests with you to make sure it is safe for you to take part.
Could this study suit you?
Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.
- I am an adult aged 18 or older diagnosed with multiple myeloma.
- My myeloma has come back or stopped responding to past treatments.
- I have already tried at least two previous types of myeloma therapy.
- My past treatments included lenalidomide and a proteasome inhibitor.
- I feel well enough to manage daily activities and attend monthly hospital appointments.
What does participation involve?
If you decide to join the study, a computer will randomly place you into one of two groups. You cannot choose your group. One group takes two medicines (pomalidomide and dexamethasone), while the other group takes three (pomalidomide, dexamethasone, and cyclophosphamide).
Treatment is taken in repeating 28-day (four-week) cycles. For the first 21 days of each cycle, you will take your study medicines, followed by a 7-day rest period. You will visit the hospital at least once a month for check-ups, health reviews, and routine blood tests.
Taking part also involves having bone marrow tests and extra blood samples taken at the start of the study, during treatment, and at the end. You will stay on the study treatment for as long as it continues to help keep your cancer under control and the side effects remain manageable. The study is running at 15 NHS hospital sites across the UK.
Potential risks and benefits
Locations (14)
- The Royal Marsden NHS Foundation TrustCity onlyLondon, England
- St Bartholomew’s HospitalApproximateLondon, England
- Guy's and St Thomas' HospitalsCity onlyLondon, England
- Birmingham Heartlands HospitalApproximateBirmingham, England
- St James HospitalApproximateLeeds, England
- Churchill HospitalUnverifiedOxford, England
- University Hospitals Birmingham NHS Foundation TrustUnverifiedBirmingham, England
- Royal Hallamshire HospitalUnverifiedSheffield, England
- University College London Hospitals NHS Foundation TrustUnverifiedLondon, England
- Beatson Oncology CentreUnverifiedGlasgow, Scotland
- Belfast City HospitalUnverifiedBelfast, Northern Ireland
- Leicester Royal InfirmaryUnverifiedLeicester, England
Common questions
What does 'relapsed and refractory' mean?
'Relapsed' means the cancer has returned after a period of improvement. 'Refractory' means the cancer has stopped responding to the medicines you were taking.
Can I choose which treatment group I am in?
No. A computer assigns you to a group by chance. This process is called randomisation, and it ensures the study results are fair and scientifically accurate.
Do I have to pay for the trial medicines?
No. All study medicines and trial-related hospital visits are provided free of charge through the NHS and the study sponsors.
Are the bone marrow tests optional?
No. Giving blood and bone marrow samples is a required part of this study so researchers can understand how the medicines work inside the body.
What happens if the treatment stops working for me?
Your doctor will stop the trial treatment and discuss other suitable care options available to you through the NHS.
How to find out more
Gareth Morgan
Always speak to your GP or specialist before deciding to take part in a study.
Discussion
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