Palbociclib and Ramelteon interaction
Palbociclib and Ramelteon: the Ramelteon prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Ramelteon (Rozerem) label · effective 2026-04-15
Ketoconazole (strong CYP3A4 inhibitor): Increases AUC for ramelteon; administer with caution.
Ketoconazole (strong CYP3A4 inhibitor) The AUC 0-inf and C max of ramelteon increased by approximately 84% and 36% upon coadministration of ketoconazole with ROZEREM.
ROZEREM should be administered with caution in subjects taking strong CYP3A4 inhibitors such as ketoconazole [see Clinical Pharmacology (12.5) ] .
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.