Dexamethasone-free antiemetic strategy for highly emetogenic chemotherapy: safety and efficacy-pilot study

Author:

Sharma VinodORCID,Kumar Akash,Baa Annie,Kirar Sudhir,Sharma Atul,Bakhshi SameerORCID,Gogia Ajay,Malik Prabhat Singh,Rastogi Sameer,Batra Atul,Pushpam Deepam,Kataria Babita,Sagiraju Hari,Sharma Aparna,Singh Vishwajeet

Abstract

ObjectivesDexamethasone sparing strategies have shown success. The feasibility of a dexamethasone-free antiemetic strategy remains undetermined. A prospective, single-arm, pilot study was planned to determine the efficacy of an olanzapine-based, dexamethasone-free, three-drug antiemetic regimen.MethodsChemotherapy naïve, adult patients (≥18 years) who received ondansetron, aprepitant and olanzapine during the first cycle of highly emetogenic chemotherapy were enrolled. The primary endpoint was the rate of complete response (CR: no vomiting and no use of rescue medications) during the overall period (0–120 hours).ResultsOut of the total of 101 patients enrolled, most were women (82%) and received anthracycline cyclophosphamide (73%) combination therapy. The rate of CR for the overall period was 65% (95% CI 55.2% to 74.5%). The rate of CR for the acute and delayed period was 79% (95% CI 70% to 86.7%) and 76% (95% CI 66.7% to 84.1%). The rate of nausea control rates for the acute, delayed and overall periods were 34%, 29% and 24%, respectively. The grade I, II and III sedation rates over the 5 days were 8%, 5% and 1%, respectively.ConclusionsThe dexamethasone-free antiemetic strategy showed modest efficacy with low incidence of clinically significant somnolence. There is a need to prospectively investigate the role of dexamethasone in the era of newer potent antiemetics in a randomised fashion.Trial registration numberCTRI/2021/07/034813.

Publisher

BMJ

Subject

Medical–Surgical Nursing,Oncology (nursing),General Medicine,Medicine (miscellaneous)

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