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Drug Interactions between atrasentan and Krazati

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

adagrasib atrasentan

Applies to: Krazati (adagrasib) and atrasentan

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with potent inhibitors of CYP450 3A4 may increase the plasma concentrations of atrasentan, which is primarily metabolized by CYP450 3A4. When a single dose of atrasentan 10 mg was administered with ketoconazole, a potent CYP450 3A4 inhibitor, atrasentan systemic exposure (AUC) increased by 90%. The risk of adverse effects such as edema, hepatotoxicity and anemia may be increased with this combination. The interaction has not been studied with other, less potent CYP450 3A4 inhibitors.

MANAGEMENT: Caution is advised when atrasentan is used with potent CYP450 3A4 inhibitors. Patients should be monitored for edema, anemia and signs of hepatotoxicity such as nausea, vomiting, abdominal pain, dark urine, loss of appetite, itching and/or yellowing of the skin or eyes.

Drug and food interactions

Major

adagrasib food

Applies to: Krazati (adagrasib)

You should avoid consumption of grapefruit and grapefruit juice during approximately the first 8 days of treatment with adagrasib. During this time, grapefruit juice may increase the blood levels of adagrasib. This may increase the risk of side effects such as diarrhea, fatigue, musculoskeletal pain, hepatotoxicity, renal impairment, and an irregular heart rhythm that may be serious and potentially life-threatening. You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations during treatment with adagrasib. Talk to your doctor if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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