Abemaciclib

Name: Abemaciclib Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

128 interactions 114 explained in plain English 328 cited references

Also sold as: Verzenio Verzenio®

About Abemaciclib

Abemaciclib is used in combination with an aromatase inhibitor such as anastrozole (Arimidex), exemestane (Aromasin), or letrozole (Femara) to treat a certain type of hormone receptor-positive, early breast cancer. Abemaciclib is also used along with fulvestrant (Faslodex) to treat a certain type of hormone receptor-po… Read the full Abemaciclib drug information page →

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 11, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

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12 Contraindicated 75 Major 41 Moderate

All (128) Contraindicated (12) Major (75) Moderate (41)

Moderate

Abemaciclib Letermovir Injection Prevymis Increased abemaciclib plasma concentration Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.