High-Evidence Repurposed Drugs & GLP-1 Oncology (2026)
Series Hub · Living Review · September 2026 What already has trials, guidelines, or large human datasets — and what that does not authorize. Aspirin in PI3K-altered colorectal cancer is now guideline medicine. Metformin and statins are mixed. GLP-1 receptor agonists are the 2026 observational wave. This hub exists so “repurposed” stops meaning one bucket. Read this first. OneDayMD pages in this series are educational syntheses for patients, caregivers, and clinicians. They are not personal medical advice, not a protocol to self-start, and not a substitute for the treating oncologist. Off-label use, when discussed, is described so it can be raised inside a supervised relationship — not so it can replace one. Evidence badges are defined below. Observational signals can be large and still be wrong. On this page Three doors Why this series exists Evidence badges The ranked stack Part A — High-evidence agents Part B — GLP-1 / incretin oncology GLP-1 hold / continue fl...