Acalabrutinib and Aprepitant interaction
Acalabrutinib and Aprepitant: the Acalabrutinib prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Acalabrutinib (CALQUENCE) label · effective 2026-02-19
• CYP3A Inhibitors: Avoid co-administration with strong CYP3A inhibitors.
• CYP3A Inducers: Avoid co-administration with strong CYP3A inducers.
Prevention or Management • Avoid co-administration of strong CYP3A inhibitors with CALQUENCE.
Prevention or Management • Avoid co-administration of strong CYP3A inducers with CALQUENCE.
• If a strong CYP3A inducer cannot be avoided, increase the acalabrutinib dose to 200 mg approximately every 12 hours.
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.