Drug Interactions between CodiCLEAR DH and nirogacestat

Do not use alcohol or medications that contain alcohol while you are receiving treatment with HYDROcodone. This may increase nervous system side effects such as drowsiness, dizziness, lightheadedness, difficulty concentrating, and impairment in thinking and judgment. In severe cases, low blood pressure, respiratory distress, fainting, coma, or even death may occur. If you are taking certain long-acting formulations of hydrocodone, consumption of alcohol may also cause rapid release of the drug, resulting in high blood levels that may be potentially lethal. Likewise, you should avoid consuming grapefruit and grapefruit juice, as this may increase the blood levels and effects of hydrocodone. Talk to your doctor or pharmacist if you have questions on how to take this or other medications you are prescribed. Do not use more than the recommended dose of HYDROcodone, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.

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Consumer information for this interaction is not currently available.

GENERALLY AVOID: Grapefruit, grapefruit juice, Seville oranges, and starfruit may significantly increase the plasma concentrations and pharmacologic effects of nirogacestat. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in these fruits. Coadministration of multiple doses of nirogacestat (150 mg twice daily) with the moderate CYP450 3A4 inhibitors erythromycin and fluconazole are predicted to increase the AUC of nirogacestat by 2.73-fold and 3.18-fold, respectively. The interaction has not been studied with grapefruit, Seville oranges, or starfruit. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition. Increased systemic exposure to nirogacestat may increase the risk of adverse effects including diarrhea, ovarian toxicity, hepatotoxicity, electrolyte abnormalities, and non-melanoma skin cancers.

MANAGEMENT: Patients treated with nirogacestat should avoid consumption of grapefruit, grapefruit juice, Seville oranges, starfruit, or any supplement containing grapefruit.