Clinical efficacy of daratumumab, pomalidomide, and dexamethasone in patients with relapsed or refractory myeloma: Utility of re-treatment with daratumumab among refractory patients
Abstract
BACKGROUND: The efficacy of daratumumab (DARA) both as a monotherapy and in combination with standard-of-care regimens in multiple myeloma (MM) has been established in clinical trials. This article presents a retrospective analysis of the safety and efficacy of DARA in combination with pomalidomide (POM) and dexamethasone (ie, daratumumab, pomalidomide, and dexamethasone [DARA-POM-D]) and, more importantly, the long-term follow-up of a cohort that was naive to DARA and POM as well as a cohort in which the utility of re-treatment was evaluated among patients who were DARA- and/or POM-refractory.
METHODS: Thirty-four consecutive patients with relapsed and/or refractory MM treated with DARA-POM-D at the Winship Cancer Institute of Emory University from January 2015 through July 2016 were included in the analysis. The study was approved by Emory University's institutional review board. All received prior proteasome inhibitors and immunomodulatory drugs (IMiDs) and were refractory to their last line of therapy.
RESULTS: All patients were lenalidomide-refractory, and 91% were bortezomib-refractory. Two cohorts were identified on the basis of prior exposure to DARA and/or POM. Cohort 1 (12 patients) was DARA- and POM-naive, and cohort 2 (22 patients) was DARA- and/or POM-refractory. A subgroup of 12 patients in cohort 2 (cohort 3) was DARA- and POM-refractory. The combination's tolerability was consistent with the results of the published phase 1b study (EQUULES) that evaluated the…
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Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 22 participants or records.
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