ASH Clinical News ACN_4.4_SUPP_Digital Version | Page 43

“My own personal conclusion [about] the controversy is we should be aiming for molecular remission, because it’s the prerequisite for a cure,” Dr. Davies concluded. “However, we do need to understand the MRD cells that we are trying to elimi- nate in more detail.” MRD is a valuable tool, she contends, but measuring it is not enough. “Learning about those cells is going to teach us how we can therapeutically manipulate them so we can induce a cure,” Dr. Davies said. For instance, recent evidence has suggested that the microenvironment is enabling these treatment-resistant cells. “We need to figure out how we’re going to get rid of this microenvironment protection because, as those cells continue [to survive] and mutate, the inevitable is going to happen – patients are going to relapse.” ”We can all agree that MRD negativity is associated with a better prognosis, [but] what does this mean for routine clinical practice?” —FAITH E. DAVIES, MBBCH, MD Too Long, Too Short, or Just Right? Heinz Ludwig, MD, from the Wilhelminen Cancer Research Institute in Vienna, Austria, posed the question of treatment duration among patients with MM, which has become a crucial issue in the myeloma treatment landscape. Dr. Ludwig started by reviewing the fundamentals of treatment decision-making for patients with MM: patient- specific characteristics (i.e., age, fitness, and comorbidities) and disease-specific characteristics (i.e., cytogenetic profile and rate of disease progression). “When we go back 10 years, let’s say in 2007, the treatment paradigm was quite straightforward in MM: We had induction therapy, transplant in young patients, fixed-duration therapy (6, 9, or 12 months) for older patients, less-intense therapy for frail patients, and a couple of treatment cycles for relapsed patient