Drug Interactions between clomipramine and Depakote
This report displays the potential drug interactions for the following 2 drugs:
- clomipramine
- Depakote (divalproex sodium)
Interactions between your drugs
clomiPRAMINE divalproex sodium
Applies to: clomipramine and Depakote (divalproex sodium)
MONITOR: The concomitant administration of valproic acid or its derivatives may increase serum concentrations of tricyclic antidepressants. In one study, the amitriptyline area under the curve was increased 31% in subjects taking divalproex sodium (n=15). A case report has described increased nortriptyline levels and toxicity after sodium valproate was added to the regimen. The proposed mechanism is inhibition of CYP450 hepatic metabolism. CNS and/or respiratory depressant effects may be additively or synergistically increased in patients taking multiple drugs which cause these effects. Other tricyclic antidepressants may exhibit a similar interaction. Additionally, tricyclic antidepressants may counteract the anticonvulsive effects of valproic acid and divalproex by lowering the seizure threshold.
MANAGEMENT: It may be advisable to monitor patients for altered efficacy and safety. Dose adjustments or alternate therapy may be necessary if an interaction is suspected.
References (2)
- Fu C, Katzman M, Goldbloom DS (1994) "Valproate/nortriptyline interaction." J Clin Psychopharmacol, 14, p. 205-6
- Wong SL, Cavanaugh J, Shi H, Awni WM, Granneman GR (1996) "Effects of divalproex sodium on amitriptyline and nortriptyline pharmacokinetics." Clin Pharmacol Ther, 60, p. 48-53
Drug and food interactions
clomiPRAMINE food
Applies to: clomipramine
MONITOR: Limited data suggest that the administration of clomipramine with grapefruit juice or cranberry juice may significantly increase plasma drug concentrations of clomipramine. Clomipramine is initially demethylated by CYP450 1A2, 3A3 and 3A4 before undergoing further metabolism to 8-hydroxyclomipramine. The increase in clomipramine bioavailability may stem from inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. The precise mechanism by which cranberry juice exerts its effects is unknown, but may involve inhibition of CYP450 isoenzymes. This interaction has occasionally been exploited in attempts to improve symptomatic control of obsessive compulsive disorder.
MANAGEMENT: Patients receiving clomipramine therapy who ingest cranberry juice, grapefruits, or grapefruit juice should be monitored for adverse effects and undue fluctuations in plasma drug levels.
References (4)
- Oesterheld J, Kallepalli BR (1997) "Grapefruit juice and clomipramine: shifting metabolitic ratios." J Clin Psychopharmacol, 17, p. 62-3
- Bailey DG, Dresser GR, Kreeft JH, Munoz C, Freeman DJ, Bend JR (2000) "Grapefruit-felodipine interaction: Effect of unprocessed fruit and probable active ingredients." Clin Pharmacol Ther, 68, p. 468-77
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
- Cerner Multum, Inc. "Australian Product Information."
divalproex sodium food
Applies to: Depakote (divalproex sodium)
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)
- Warrington SJ, Ankier SI, Turner P (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
- 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.
- (2012) "Product Information. Fycompa (perampanel)." Eisai Inc
- (2015) "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc
clomiPRAMINE food
Applies to: clomipramine
GENERALLY AVOID: The combination of ethanol and a tricyclic antidepressant may result in additive impairment of motor skills, especially driving skills. Also, one study has suggested that clomipramine metabolism is significantly impaired for several weeks or more following discontinuation of chronic alcohol consumption.
MANAGEMENT: Patients should be warned of this interaction and advised to limit their ethanol intake while taking tricyclic antidepressants. Monitoring for TCA toxicity (CNS depression, excessive anticholinergic effects, hypotension, arrhythmias) is recommended during alcohol withdrawal.
References (3)
- Seppala T, Linnoila M, Elonen E, Mattila MJ, Makl M (1975) "Effect of tricyclic antidepressants and alcohol on psychomotor skills related to driving." Clin Pharmacol Ther, 17, p. 515-22
- Berlin I, Cournot A, Zimmer R, et al. (1990) "Evaluation and comparison of the interaction between alcohol and moclobemide or clomipramine in healthy subjects." Psychopharmacology (Berl), 100, p. 40-5
- Balant-Gorgia AE, Gay M, Gex-Fabry M, Balant LP (1992) "Persistent impairment of clomipramine demethylation in recently detoxified alcoholic patients." Ther Drug Monit, 14, p. 119-24
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
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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