Atorvastatin (Lipitor 20 mg) and Palbociclib: interaction and safety
This source-based reference is not a personal treatment recommendation. The relevance and management of an interaction depend on the exact products, route, dose and clinical situation.
Interaction mechanism
Palbociclib may increase statin exposure through CYP3A4 or BCRP effects; rhabdomyolysis has been reported.
Clinical significance and safety
With Atorvastatin (Lipitor 20 mg) and Palbociclib, consider an alternative and monitor for statin-associated muscle toxicity. The current palbociclib product information reports rhabdomyolysis, including fatal cases, with atorvastatin or simvastatin. Seek prompt medical help for muscle pain, marked weakness or dark urine, and do not change the medicines without the treating team.
Using this information
This is a source-based reference record, not a recommendation to combine, stop or change medicines. A missing interaction record does not establish safe use. A qualified healthcare professional should consider the exact products, doses, other medicines and individual health circumstances.