Prescription Patterns of Daratumumab in Patients with Multiple Myeloma in Underprivileged Circumstances: A Multicenter Experience in Mexico
2021
Background Despite novel therapies, multiple myeloma (MM) remains an incurable malignancy, daratumumab (DARA) being a major game changer, may be a good option for treatment. Aimed of the study To assess the prescription patterns of DARA in patients with MM in Mexico. Methods 47 patients with MM were analyzed in 13 different hospitals in Mexico. Results Five (10.5%) of patients received DARA as first line therapy, 13 (27.5%) as second line, whereas 29 (62%) received its in ≥3rd line. In 32% DARA was used in combination with dexamethasone, 64% received DARA on a triple combination, and 4% as a 4 drug combination. Eighty three percent of patients had a response, including 32% in complete remission. Progression free survival (PFS) was higher in patients in ISS stage 1, and in patients achieving ≥PR. Overall survival (OS) was lower in patients not achieving ≥PR, in patients having increased LDH, and extramedullary disease. Grade 1–2 infusion related reactions were present in 34%, and grade 3–4 neutropenia and lymphopenia in 25 and 17% of the patients. Conclusions In Mexico, 62% of patients with MM received DARA as a third or further line of treatment. DARA employed as a doublet or triplet combination is useful in relapsed/refractory patients with tolerable adverse events.
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