Drug interactions
Dabrafenib + Exemestane
Severity: Moderate
Dabrafenib and Exemestane: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Dabrafenib induces CYP3A4 and may lower exemestane concentrations. Reduced exposure may compromise estrogen suppression and efficacy.
What this interaction means in plain words
Dabrafenib and Exemestane can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Dabrafenib belongs to Oncology; Exemestane belongs to Oncology.
Why it happens
Dabrafenib induces CYP3A4, increasing exemestane metabolism.
What to do
Monitor for reduced exemestane response. Consider the labeled exemestane dose increase to 50 mg daily with potent CYP3A4 inducers, or choose another endocrine agent.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Exemestane
Other interactions of Dabrafenib
Frequently asked questions
Can I take Dabrafenib with Exemestane?
MediHelp rates the interaction as moderate. Dabrafenib and Exemestane can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Dabrafenib induces CYP3A4 and may lower exemestane concentrations. Reduced exposure may compromise estrogen suppression and efficacy.
How serious is the interaction between Dabrafenib and Exemestane?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced exemestane response. Consider the labeled exemestane dose increase to 50 mg daily with potent CYP3A4 inducers, or choose another endocrine agent.
What other medicines interact with Exemestane?
MediHelp also lists interactions of Exemestane with, for example, Bazedoxifene-conjugated estrogens, Desogestrel-ethinyl estradiol, Estradiol. The full list is on the Exemestane page.
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