Pemigatinib and Alcohol/Food Interactions
There is 1 alcohol/food/lifestyle interaction with pemigatinib.
Pemigatinib Food
Major Food Interaction
GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of pemigatinib, which is primarily metabolized by CYP450 3A4 in vitro. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. Inhibition of hepatic CYP450 3A4 may also contribute. The interaction has not been studied with grapefruit juice but has been reported for other CYP450 3A4 inhibitors. When itraconazole, a potent CYP450 3A4 inhibitor, was administered following a single oral pemigatinib dose of 4.5 mg, pemigatinib peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 17% and 88%, respectively. Concomitant use of moderate CYP450 3A4 inhibitors is predicted to increase pemigatinib exposure by approximately 50% to 80%. 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 exposure to pemigatinib may increase the incidence and severity of serious adverse reactions such as hyperphosphatemia (which can cause precipitation of calcium-phosphate crystals over time that can lead to hypocalcemia, soft tissue mineralization such as cutaneous calcification and calcinosis, secondary hyperparathyroidism, anemia, muscle cramps, seizures, QT prolongation, and arrhythmias), serous retinal detachment (which may cause symptoms such as blurred vision, visual floaters, or photopsia), palmar-plantar erythrodysesthesia syndrome (hand-foot syndrome), arthralgia, stomatitis, diarrhea, nausea, vomiting, and constipation.
Pemigatinib pharmacokinetics were not significantly affected by coadministration of a high-fat, high-calorie meal (approximately 1000 calories; 500 to 600 calories from fat).
MANAGEMENT: Pemigatinib may be administered with or without food. Patients should avoid consumption of grapefruit, grapefruit juice, or supplements that contain grapefruit extract during treatment with pemigatinib.
References
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
- (2020) "Product Information. Pemazyre (pemigatinib)." Incyte Corporation
- (2022) "Product Information. Pemazyre (pemigatinib)." Specialised Therapeutics Alim Pty Ltd
Pemigatinib drug interactions
There are 269 drug interactions with pemigatinib.
Pemigatinib disease interactions
There is 1 disease interaction with pemigatinib which include:
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Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
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. | |
No interaction information available. |
Further information
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