European journal of haematology · 2018
Efficacy, safety, and cost of pomalidomide in relapsed and refractory multiple myeloma.
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Gueneau P, Chretien ML, Cransac-Miet A, Aho LS, Lafon I, Favennec C, Guy J, Caillot D, Boulin M
Аннотация
OBJECTIVES: To investigate the efficacy, safety, and cost of a pomalidomide-dexamethasone regimen in patients with relapsed and refractory multiple myeloma (RRMM).
METHODS: All patients (n = 63) treated with pomalidomide-dexamethasone for RRMM in our university hospital between August 2013 and October 2015 were included.
RESULTS: Pomalidomide was discontinued early due to progression (before the 4th cycle) in 17 (27%) patients. No case was discontinued for intolerance. The only independent factor that predicted early pomalidomide discontinuation was time from diagnosis to pomalidomide initiation <3 years. Overall response rate was 51% including complete response in 8%, very good partial response in 25%, and partial response in 19% patients. Thirteen (33%) patients showed stable disease. Median overall survival was 6.4 months in the 17 patients who discontinued pomalidomide early vs 26.8 months in the 14 patients with stable disease vs not achieved in the 32 responders (log-rank; P < 10-3 ). The most common grade ≥3 adverse events were neutropenia (14%) and infections (25%). The incremental cost-effectiveness ratio of pomalidomide-dexamethasone compared with dexamethasone alone was estimated at €39 911 per life-year gained.
CONCLUSIONS: The study demonstrated that pomalidomide-dexamethasone regimen has a long-term favorable safety-efficacy profile in RRMM patients. The survival benefit is substantial even in patients with stable disease.
METHODS: All patients (n = 63) treated with pomalidomide-dexamethasone for RRMM in our university hospital between August 2013 and October 2015 were included.
RESULTS: Pomalidomide was discontinued early due to progression (before the 4th cycle) in 17 (27%) patients. No case was discontinued for intolerance. The only independent factor that predicted early pomalidomide discontinuation was time from diagnosis to pomalidomide initiation <3 years. Overall response rate was 51% including complete response in 8%, very good partial response in 25%, and partial response in 19% patients. Thirteen (33%) patients showed stable disease. Median overall survival was 6.4 months in the 17 patients who discontinued pomalidomide early vs 26.8 months in the 14 patients with stable disease vs not achieved in the 32 responders (log-rank; P < 10-3 ). The most common grade ≥3 adverse events were neutropenia (14%) and infections (25%). The incremental cost-effectiveness ratio of pomalidomide-dexamethasone compared with dexamethasone alone was estimated at €39 911 per life-year gained.
CONCLUSIONS: The study demonstrated that pomalidomide-dexamethasone regimen has a long-term favorable safety-efficacy profile in RRMM patients. The survival benefit is substantial even in patients with stable disease.