Clinical implication of megestrol acetate in metastatic gastric cancer: a big data analysis from Health Insurance Review and Assessment (HIRA) database.

Support Care Cancer

Division of Hematology/Oncology, Department of Internal Medicine, Institute of Health Science, Gyeongsang National University Changwon Hospital, Gyeongsang National University College of Medicine, 11 Samjeongja-Ro, Changwon, 51472, Republic of Korea.

Published: March 2024


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Article Abstract

Objective: Megestrol acetate (MA) is used to manage anorexia and cachexia in patients with advanced cancer. This study investigated the prescription patterns of MA in patients with metastatic gastric cancer, as well as evaluated its impact on survival outcomes and the incidence of venous thromboembolism (VTE).

Methods: A Health Insurance Review and Assessment (HIRA) service database was used to investigate differences in baseline characteristics, survival, and the incidence of VTE according to MA prescription patterns (i.e., prescription vs. no prescription) in patients diagnosed with metastatic gastric cancer from July 2014 to December 2015.

Results: A total of 1938 patients were included in this study. In total, 65% of the patients were prescribed MA. Older age, treatment in tertiary hospitals, and palliative chemotherapy were statistically significant predictive factors for MA prescription. Continuous prescription of MA was observed in 37% of patients. There was no statistically significant difference in survival between the MA and non-MA prescription groups on multivariate analysis. Among the 1427 patients included in the analysis for VTE incidence, 4.3% and 2.9% were diagnosed with VTE during the follow-up period in the MA and non-MA prescription groups, respectively. However, there was no statistically significant difference in VTE diagnosis between the groups on multivariate analysis.

Conclusion: MA is commonly prescribed for metastatic gastric cancer, especially in elderly patients and those undergoing palliative chemotherapy, without significantly affecting survival or VTE risk.

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http://dx.doi.org/10.1007/s00520-024-08430-5DOI Listing

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