Inavolisib · Medicine question

Why should inavolisib be used cautiously with warfarin?

iatroX medicinesPublished 8 November 2026

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Inavolisib induces CYP enzymes in vitro and may decrease systemic exposure to warfarin, a sensitive substrate with a narrow therapeutic index, potentially reducing its efficacy.

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Itovebi 3 mg & 9mg film-coated tabletsRoche Products Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated 14 May 2026

Sources checked 8 November 2026

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