Pralsetinib and Alcohol/Food Interactions
There are 2 alcohol/food/lifestyle interactions with pralsetinib.
Pralsetinib Food
Major Food Interaction
ADJUST DOSING INTERVAL: Food significantly increases the oral bioavailability of pralsetinib. According to the product labeling, administration of pralsetinib (200 mg) with a high-fat meal (approximately 800 to 1000 calories; 50% to 60% from fat) increased mean pralsetinib peak plasma concentration (Cmax) and systemic exposure (AUC) by 104% and 122%, respectively. The median time to maximum concentration (Tmax) was delayed from 4 hours to 8.5 hours, when compared to the fasted state.
GENERALLY AVOID: The juice of grapefruit and/or Seville oranges may increase the plasma concentrations of pralsetinib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit and Seville oranges. 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 pralsetinib may increase the risk of adverse effects such as interstitial lung disease/pneumonitis, liver transaminase elevations, hypertension, and hemorrhage. Some clinical trials have also observed prolongation of the QT interval in patients on pralsetinib, though this was not observed in a study of 34 patients with rearranged during transfection (RET)-altered solid tumors on pralsetinib at the recommended dosage.
MANAGEMENT: Pralsetinib should be administered on an empty stomach, with no food intake recommended for at least 2 hours before and at least 1 hour after taking the medication. Patients should avoid consumption of grapefruit, grapefruit juice, Seville oranges, or Seville orange juice during treatment with pralsetinib.
References (4)
- (2023) "Product Information. Gavreto (pralsetinib)." Roche Products Pty Ltd, GAVRETO 20230406
- (2024) "Product Information. Gavreto (pralsetinib)." Genentech
- (2024) "Product Information. Gavreto (pralsetinib)." Roche Products Ltd
- (2024) "Product Information. Gavreto (pralsetinib)." Hoffmann-La Roche Limited
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Pralsetinib High Blood Pressure (Hypertension)
Moderate Potential Hazard, Moderate plausibility
pralsetinib - hypertension
Hypertension has been reported in patients in treatment with pralsetinib. This drug should not be initiated in patients with uncontrolled hypertension. Caution and close monitoring is advised.
References (1)
- (2020) "Product Information. Gavreto (pralsetinib)." Blueprint Medicines Corporation
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Pralsetinib drug interactions
There are 714 drug interactions with pralsetinib.
Pralsetinib disease interactions
There are 4 disease interactions with pralsetinib 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. |
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Further information
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