Abstract
e19517 Background: Carfilzomib (K) is indicated for treatment of relapsed or refractory multiple myeloma (MM). We studied the characteristics of patients receiving K in the US Oncology Network’s (USON) EHR database. Methods: Patients ≥18 years who received a K-containing regimen between 11/01/2013-02/29/2016, were not in a clinical trial, and had ≥2 visits at a USON clinic were eligible. Baseline characteristics were compared between patients who received a K-based doublet, triplet or other regimen (monotherapy or >3 treatments). Results: Of the 718 patients who received a K-based regimen during the study period, 219 (30.5%) had doublet regimens, 287 (40.0%) received triplet regimens and 212 (29.5%) received other regimens; 494 (68.8%) received regimens with ≥3 therapies. Mean age was 69.7 and 64.7 years among patients on doublets and triplets, respectively. A higher proportion of female patients received doublets (53.0%) (Table). There were no differences in ISS stage or number of comorbidities across patients receiving doublets, triplets, or other regimens. Conclusions: In this real-world analysis of K-regimens, a majority of patients received triplet regimens. Older patients received doublet regimens more frequently. The influence of regimen on outcomes controlling for patient characteristics and prior treatments among MM patients receiving K-based regimens should be studied. [Table: see text]
Published Version
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