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Drug Interactions between fluvoxamine and Vraylar

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

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Interactions between your drugs

Moderate

fluvoxaMINE cariprazine

Applies to: fluvoxamine and Vraylar (cariprazine)

MONITOR: Coadministration with moderate inhibitors of CYP450 3A4 may increase the plasma concentrations of cariprazine and its major active metabolite, didesmethyl cariprazine (DDCAR), both of which are primarily metabolized by the isoenzyme. When cariprazine (0.5 mg/day) was coadministered with the potent CYP450 3A4 inhibitor, ketoconazole (400 mg/day), cariprazine peak plasma concentration (Cmax) and systemic exposure (AUC) increased by approximately 3.5- and 4-fold, respectively, while Cmax and AUC of DDCAR increased by approximately 1.5-fold each. The Cmax and AUC of another active metabolite, desmethyl cariprazine (DCAR), decreased by approximately one-third. The extent to which other, less potent inhibitors of CYP450 3A4 may interact with cariprazine and its metabolites is unknown.

MANAGEMENT: Caution is advised when cariprazine is prescribed with moderate CYP450 3A4 inhibitors. Patients should be monitored for adverse effects such as extrapyramidal symptoms, cognitive and motor impairment, hyperglycemia, dyslipidemia, weight gain, orthostatic hypotension, leukopenia, neutropenia, seizures and dysphagia, and the dosage of cariprazine adjusted as necessary in accordance with the product labeling.

References (5)
  1. (2015) "Product Information. Vraylar (cariprazine)." Actavis Pharma, Inc.
  2. (2022) "Product Information. Vraylar (cariprazine)." Allergan Inc
  3. (2022) "Product Information. Reagila (cariprazine)." Recordati Pharmaceuticals Ltd
  4. (2022) "Product Information. Reagila (cariprazine)." Gedeon Richter Australia Pty Ltd
  5. (2022) "Product Information. Vraylar (cariprazine)." AbbVie Corporation

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Drug and food interactions

Moderate

fluvoxaMINE food

Applies to: fluvoxamine

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References (4)
  1. Warrington SJ, Ankier SI, Turner P (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P (1990) "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc.
  3. (2012) "Product Information. Fycompa (perampanel)." Eisai Inc
  4. (2015) "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc

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Moderate

cariprazine food

Applies to: Vraylar (cariprazine)

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of cariprazine. The proposed mechanism is inhibition of CYP450 3A4-mediated metabolism of cariprazine by certain compounds present in grapefruit. When cariprazine (0.5 mg/day) was coadministered with the potent CYP450 3A4 inhibitor, ketoconazole (400 mg/day), cariprazine peak plasma concentration (Cmax) and systemic exposure (AUC) increased by approximately 3.5- and 4-fold, respectively, while Cmax and AUC of DDCAR increased by approximately 1.5-fold each. The Cmax and AUC of another active metabolite, desmethyl cariprazine (DCAR), decreased by approximately one-third. The interaction has not been studied with grapefruit juice. 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 cariprazine may increase the risk of adverse effects such as extrapyramidal symptoms, cognitive and motor impairment, hyperglycemia, dyslipidemia, weight gain, orthostatic hypotension, leucopenia, neutropenia, seizures, and dysphagia.

MANAGEMENT: Patients should avoid the consumption of grapefruit and grapefruit juice during treatment with cariprazine.

References (2)
  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2015) "Product Information. Vraylar (cariprazine)." Actavis Pharma, Inc.

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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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