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Drug Interactions between relugolix and tecovirimat

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

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Interactions between your drugs

Minor

relugolix tecovirimat

Applies to: relugolix and tecovirimat

Coadministration with lone inducers of CYP450 3A4 is unlikely to decrease the plasma concentrations of relugolix to a clinically significant extent. In vitro, relugolix is metabolized primarily by CYP450 3A and, to a lesser extent, by CYP450 2C8. Relugolix is also a substrate for intestinal P-gp. When relugolix was coadministered with rifampin, a combined P-gp and potent CYP450 3A inducer, relugolix peak plasma concentration (Cmax) and systemic exposure (AUC) decreased by 23% and 55%, respectively. By contrast, no clinically significant differences in the pharmacokinetics of relugolix were observed when coadministered with enzalutamide, a strong CYP450 3A inducer that is not known to induce P-gp.

References (1)
  1. (2021) "Product Information. Orgovyx (relugolix)." Myovant Sciences, Inc.

Drug and food interactions

Moderate

tecovirimat food

Applies to: tecovirimat

ADJUST DOSING INTERVAL: Food may increase the extent of tecovirimat absorption following oral administration. When the recommended oral dose of tecovirimat (600 mg every 12 hours) was administered with a meal (approximately 600 calories and 25 g of fat) in healthy adults weighing less than 120 kg, tecovirimat absorption increased by 39% relative to fasting.

MANAGEMENT: Oral tecovirimat should be taken within 30 minutes after a full meal containing moderate or high fat (approximately 600 calories and 25 g of fat) with 6 to 8 ounces of water.

References (1)
  1. "Product Information. Tpoxx (tecovirimat)." SIGA Technologies, Inc.

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.

See also

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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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