Abstracts That Caught My Eye
What another great experience for myself and our Myeloma Voices Team at ASH (American Society of Hematology). San Diego is such a nice place to visit, and I really enjoyed being with our in-person team as we attended the sessions together, discussed what we had heard, and dined together. We all come from slightly different backgrounds and myeloma journeys, but we all have one thing in common: The hope of finding a cure for multiple myeloma (MM).
There were a variety of abstracts that caught my eye. The first one was Saturday morning with the study that showed previous treatment with high-dose melphalan (HDM) and an autologous stem cell transplant (ASCT) adversely impacts progression-free survival (PFS) in BCMA-directed CAR-T therapy. Their findings showed that having a prior HDM/ASCT is associated with a shorter PFS to a BCMA CAR-T, but it did not impact the response rate or overall survival (OS). Which CAR-T product you received made a difference.
Ide-cel (Abecma) showed a lower complete response (CR) and a shorter PFS. But, there was no difference between the 2 groups (ASCT or no ASCT) with Cilta-cel (Carvykti) or Anito-cel (still in clinical trials). Will these findings make a difference in the future of ASCT or help to decide which CAR-T therapy is best for which patient? Further clinical trials of CAR-T therapy for newly diagnosed multiple myeloma (NDMM) patients could provide further insights into this question.
The next abstract presented by Dr. Rahul Banerjee (Fred Hutchison Cancer Center), stated that the infamous twenty-four-hour urine testing does not add value to the assessments of MM patients. Real-world analysis showed that only 28% of U.S. patients with MM had any twenty-four-hour urine testing done at diagnosis. In his study, only 1.1% of the analyzed patients had different responses between traditional and urine-free response criteria. The 24-hour urine testing is still essential in screening patients with MGRS (monoclonal gammopathy of renal significance), for example, having AL amyloidosis. But Dr. Banerjee is hoping to have the International Myeloma Working Group (IMWG) place less emphasis on the twenty-four-hour urine requirements in future revised response criteria.
An interesting study was presented by Dr. Craig Hofmeister with the Winship Cancer Institute of Emory University in Atlanta, GA. He presented a trial that demonstrated a three-dose flu vaccine series improves protection over a single flu shot. This was especially true for patients, like myself, who are on Darzalex (daratumamab). The study showed that a single flu vaccine’s seroprotection wanes by the end of the flu season. Giving the vaccine at week 1, week 9, and week 17 improves protection, especially for patients on daratumamab.
Of course, there are obstacles to this in the real-world. It can be hard to convince patients to get 1 flu vaccine, much less 3 over the flu season. And getting insurance to pay for 3 would be difficult, as would asking patients to pay out-of-pocket for 2 of the 3 vaccines. It is still an interesting study, given the older population of myeloma patients, and the propensity for serious illness from getting the flu.
Every year at ASH my takeaway is how many patients are participating in clinical trials around the world. If it were not for these patients, we would not have new myeloma treatments. At the end of every abstract presented, the doctor thanked the patients and their families for participating. I have not been able to participate in a trial yet, but it is my hope that I may be able to give back and participate one day. There is so much more, and I hope you read the blogs of my fellow Myeloma Voices Team. And join us on January 8th as we discuss the latest myeloma updates from ASH 2024.