Final Dfs Results Of The Scot Study: An International Phase Iii Randomised (1:1) Non-Inferiority Trial Comparing 3 Versus 6 Months Of Oxaliplatin Based Adjuvant Chemotherapy For Colorectal Cancer.
JOURNAL OF CLINICAL ONCOLOGY(2017)
Abstract
3502Background: Six months of oxaliplatin-based treatment has been the mainstay of adjuvant chemotherapy for colorectal cancer for the last 13 years. Neurotoxicity from oxaliplatin is cumulative, dose limiting, and potentially irreversible. A shorter duration of treatment would save patients significant toxicity/time and substantially reduce the costs of the drug, its administration, and treatment of adverse effects. Methods: SCOT is a non-inferiority randomised study designed to determine whether 3 months of adjuvant chemotherapy with OxMdG or Xelox (physician/patient choice) in Stage III/high risk Stage II colorectal cancer is as effective as 6 months treatment. Non-inferiority was determined to be a maximum 2.5% fall in 3-year disease-free survival (DFS) on the 3 month arm (from 78% on the 6 month arm) corresponding to a hazard ratio upper limit of 1.13. The study was designed with 90% power at the 2.5% 1-sided level of statistical significance and aimed to recruit 9500 patients to observe 2,750 DFS ev...
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Key words
adjuvant chemotherapy,colorectal cancer,final dfs results,oxaliplatin,non-inferiority
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