Myeloma Rocket Scientist: Clinical Trials And Tribulations
It was quite a surprise last month to see multiple myeloma mentioned on the front page of the New York Times. It was even “above the fold,” making it big news. Multiple myeloma usually only gets referred to in the paper in obituaries, and then only rarely.
This mention of myeloma occurred in an article on the approval by the United States Food and Drug Administration (FDA) of an immunotherapy treatment to fight a form of leukemia. It was described as “the first-ever treatment that genetically alters a patient’s own cells to fight cancer,” and the article went on to say that work is underway on similar immunotherapies for other diseases, including multiple myeloma.
The field of immunotherapy is extremely exciting, holding out the prospect of a whole new class of cancer treatment options. In this way, it is similar to the arrival of chemotherapy and radiotherapy to supplement the surgical methods that were initially the only techniques available for dealing with cancer. As described in the excellent book The Emperor of all Maladies: A Biography of Cancer by Siddhartha Mukherjee, these new classes of treatment options revolutionized the options available for the cancer patient. In similar fashion, the new immunotherapies promise at minimum new treatment options, and at maximum perhaps even a cure, for various cancers.
In my layman’s understanding, the basis of new forms of immunotherapy like the one recently approved by the FDA is as follows. Mutations to cells are thought to occur relatively often, but usually do not have dire repercussions, as they are recognized as dangerous by the immune system and attacked. In certain cases, though, this recognition does not occur; the immune system does not attack the mutated cells, allowing them to multiply unmolested and thus lead to the patient developing cancer. (As an aside, here is a small mathematical riddle: What multiplies by dividing? A cell.) The new forms of immunotherapy augment, or retrain, the immune system to recognize these cancer cells as a threat, so that the disease can be brought under control.
It seems very likely that access to the tremendous benefits of the newest immunotherapies will one day be widespread for multiple myeloma patients. However, for now, this is still only possible by entering into a clinical trial. A difficulty with this is that there is always the question of whether you will prove eligible to participate in the trial. Each trial has a set of hard-and-fast eligibility criteria; if you do not satisfy all of these, you cannot take part, which can be very frustrating for the patient. It can definitely feel like you are trying to thread a very small needle with quite a thick thread.
For instance, several years ago I came within a whisker of qualifying for a small immunotherapy trial that had tight eligibility conditions. Basically, trial participants needed to have pre-trial test results that showed enough evidence of multiple myeloma that it would be possible to measure a reduction during the trial. Without these results, there would not be objective evidence that the experimental treatment was actually working. On the other hand, if their pre-trial results showed too much evidence of myeloma, that was not acceptable either; the prototype treatment that was being tested might be overwhelmed by the disease.
For several years, my blood test results did not show enough evidence of multiple myeloma for me to qualify for this trial. Then, “luckily,” my IgA and light chain levels slowly crept up to the point that I did finally qualify in that regard. However, my myeloma cells evidently did not know when to stop. Shortly before embarking on the trial, a final bone marrow biopsy indicated too high a level of myeloma for me to qualify after all.
To say that I was keenly disappointed (a phrase taken from The Right Stuff’s discussion of the grounding of Deke Slayton shortly before his planned Mercury flight), or just plain scared at how things were developing, would be putting it mildly. Fortunately, though, it was at this point that I started taking dexamethasone (Decadron) and Biaxin (clarithromycin) in addition to Revlimid (lenalidomide). This combination has kept my disease well under control ever since. If that original trial were still running, I believe that I would again show up as “too healthy” to qualify for it.
I hope, though, to be able someday to qualify for a trial with somewhat looser eligibility criteria. It would definitely be a good feeling to help the community of myeloma patients as a “data point” in a clinical trial.
However, to be honest, my main motivation is much more selfish. After taking Revlimid and dex for almost four years, I am grateful for how they are controlling my disease, but I am also heartily tired of the various side effects! If some sort of immunotherapy could allow me to stop taking them, if only for a while, that would be tremendous. And, of course, if immunotherapy could one day lead to a cure for myeloma, that would be beyond tremendous.
Having been diagnosed over 11 years ago, the fact that I have multiple myeloma is by now deeply ingrained into my psyche. It would definitely be a major readjustment if I were ever to find myself cured; it’s not something that I let myself think about as a serious possibility. However, if it were to happen, I daresay that I could make the adjustment. I would be tough, but I’m sure I could cope.
Trevor Williams is a multiple myeloma patient and columnist at The Myeloma Beacon. You can view a list of his columns here.
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This is an interesting column, Trevor! Thanks for explaining about how you almost qualified for a clinical trail. I hope also that one day some sort of therapy will erase the myeloma plasma cells from the blood permanently. I don't think that this would be the same for all patients, since already some have effectively gone into a long 'remission', as we can read sometimes from patient's stories in the Beacon. But immunotherapy looks very promising.
I think that now that I recently have had a second cancer, that would eliminate me from many trials, but fortunately I don't need one now anyways.
Keep on writing your columns, you have such a good sense of humor! I like the puzzle about the cells dividing by multiplying!
Dear Trevor, I really enjoyed your column. Like you I've been reading about the new immunotherapy trials with great interest. Even the dream of a future cure seems a delightful thought. I'm sure we would be able to adjust!
I could certainly adjust if I was cured. I think I would laugh and laugh with no particular reason. I would cry and cry, with no real reason. I would sleep better. Without the cortisone, I could take the sun in the summer like in the old times. I could look at my 97-year old mother and hope to imitate her. Oh well, let us be optimistic! I enjoyed your article Trevor, thank you.
P.S. I replaced the image of Vivaldi with my photograph, now you can see my true colors. Germans, Russians and French in my family, that is why I don’t look a bit Italian!
Thank you, Trevor. I am in my 9th year as a myeloma survivor. I appreciate your analysis of the new immunotherapy. I have been in two clinical trials and am certain they have helped me and others in this roller coaster journey. Revlimid and dex lasted for over three years while Velcade and oprozomib were only effective for less than one year. Currently the Pomalyst and dex has had it under control for 15 months with fewer side effects. I agree it is exhausting to hardly ever have a break, yet I am grateful we have progressed from the few options I had at diagnosis.
Trevor, thank you for the interesting article on myeloma. I was diagnosed in June of this year, I have had all those feelings of the uncertainty. Getting ready for my transplant November 10, 2017. I was diagnosed at stage 3. Keep the good articles coming. I never hear of multiple myeloma till I was diagnosed at 56 years old.
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