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Drug Interactions between buprenorphine and Provigil

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

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Interactions between your drugs

Minor

buprenorphine modafinil

Applies to: buprenorphine and Provigil (modafinil)

Coadministration with modafinil (the racemate) or armodafinil (the R-enantiomer) may decrease the plasma concentrations of drugs that are substrates of the CYP450 3A4 isoenzyme. Modafinil and armodafinil are modest inducers of CYP450 3A4, and pharmacokinetic studies suggest that their effects may be primarily intestinal rather than hepatic. Thus, clinically significant interactions would most likely be expected with drugs that have low oral bioavailability due to significant intestinal CYP450 3A4-mediated first-pass metabolism (e.g., buspirone, cyclosporine, lovastatin, midazolam, saquinavir, simvastatin, sirolimus, tacrolimus, triazolam, calcium channel blockers). However, the potential for interaction should be considered with any drug metabolized by CYP450 3A4, especially given the high degree of interpatient variability with respect to CYP450-mediated metabolism. Pharmacologic response to these drugs may be altered and should be monitored more closely whenever modafinil or armodafinil is added to or withdrawn from therapy. Dosage adjustments may be required if an interaction is suspected.

References

  1. (2001) "Product Information. Provigil (modafinil)." Cephalon, Inc
  2. Robertson P, Decory HH, Madan A, Parkinson A (2000) "In vitro inhibition and induction of human hepatic cytochrome P450 enzymes by modafinil." Drug Metab Dispos, 28, p. 664-71
  3. Robertson P Jr, Hellriegel ET, Arora S, Nelson M (2002) "Effect of modafinil on the pharmacokinetics of ethinyl estradiol and triazolam in healthy volunteers." Clin Pharmacol Ther, 71, p. 46-56
  4. Doherty MM, Charman WN (2002) "The mucosa of the small intestine: how clinically relevant as an organ of drug metabolism?" Clin Pharmacokinet, 41, p. 235-53
  5. (2007) "Product Information. Nuvigil (armodafinil)." Cephalon Inc
View all 5 references

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Drug and food interactions

Major

buprenorphine food

Applies to: buprenorphine

GENERALLY AVOID: Concomitant use of buprenorphine with benzodiazepines or other central nervous system (CNS) depressants (e.g., nonbenzodiazepine sedatives/hypnotics, anxiolytics, muscle relaxants, general anesthetics, antipsychotics, other opioids, alcohol) may increase the risk of buprenorphine overdose, severe respiratory depression, coma, and death. Reported cases have primarily occurred in the setting of buprenorphine maintenance treatment for opiate addiction, and many, but not all, involved abuse or misuse of buprenorphine including intravenous self-injection. The mechanism of interaction probably involves some degree of additive pharmacologic effects. Preclinical studies also suggest that benzodiazepines can alter the usual ceiling effect on buprenorphine-induced respiratory depression and render the respiratory effects of buprenorphine appear similar to those of full opioid agonists. Coadministration of buprenorphine with some CNS depressants such as alcohol, benzodiazepines, and phenothiazines may also increase the risk of hypotension.

MANAGEMENT: The use of opioids in conjunction with benzodiazepines or other CNS depressants should generally be avoided unless alternative treatment options are inadequate. If coadministration is necessary, the dosage and duration of each drug should be limited to the minimum required to achieve desired clinical effect. Patients should be monitored closely for signs and symptoms of respiratory depression and sedation, and advised to avoid driving or operating hazardous machinery until they know how these medications affect them. Extreme caution is advised when prescribing buprenorphine to patients who are addicted to opioids and also abusing benzodiazepines or alcohol. Due to potential risk of overdose and death, dependence on sedative-hypnotics such as benzodiazepines or alcohol is considered a relative contraindication for office-based buprenorphine treatment of opioid addiction. For patients who have been receiving extended therapy with both an opioid and a benzodiazepine and require discontinuation of either medication, a gradual tapering of dose is advised, since abrupt withdrawal may lead to withdrawal symptoms. Severe cases of benzodiazepine withdrawal, primarily in patients who have received excessive doses over a prolonged period, may result in numbness and tingling of extremities, hypersensitivity to light and noise, hallucinations, and epileptic seizures.

References

  1. (2002) "Product Information. Suboxone (buprenorphine-naloxone)." Reckitt and Colman Pharmaceuticals Inc
  2. Kilicarslan T, Sellers EM (2000) "Lack of interaction of buprenorphine with flunitrazepam metabolism." Am J Psychiatry, 157, p. 1164-6
  3. Reynaud M, Petit G, Potard D, Courty P (1998) "Six deaths linked to concomitant use of buprenorphine and benzodiazepines." Addiction, 93, p. 1385-92
  4. Tracqui A, Kintz P, Ludes B (1998) "Buprenorphine-related deaths among drug addicts in France: a report on 20 fatalities." J Anal Toxicol, 22, p. 430-4
  5. Reynaud M, Tracqui A, Petit G, Potard D, Courty P (1998) "Six deaths linked to misuse of buprenorphine-benzodiazepine combinations." Am J Psychiatry, 155, p. 448-9
  6. Kintz P (2002) "A new series of 13 buprenorphine-related deaths." Clin Biochem, 35, p. 513-6
  7. Martin HA (2011) "The possible consequences of combining lorazepam and buprenorphine/naloxone: a case review." J Emerg Nurs, 37, p. 200-2
  8. Hakkinen M, Launiainen T, Vuori E, Ojanpera I (2012) "Benzodiazepines and alcohol are associated with cases of fatal buprenorphine poisoning." Eur J Clin Pharmacol, 68, p. 301-9
  9. Substance Abuse and Mental Health Services Administration (US) (2013) Clinical Guidelines for the Use of Buprenorphine in the Treatment of Opioid Addiction. Treatment Improvement Protocol (TIP) Series, No. 40 http://www.ncbi.nlm.nih.gov/books/NBK64245/
  10. Schuman-Olivier Z, Hoeppner BB, Weiss RD, Borodovsky J, Shaffer HJ, Albanese MJ (2013) "Benzodiazepine use during buprenorphine treatment for opioid dependence: clinical and safety outcomes." Drug Alcohol Depend, 132, p. 580-6
  11. Ferrant O, Papin F, Clin B, et al. (2011) "Fatal poisoning due to snorting buprenorphine and alcohol consumption." Forensic Sci Int, 204, e8-11
  12. Pirnay S, Borron SW, Giudicelli CP, Tourneau J, Baud FJ, Ricordel I (2004) "A critical review of the causes of death among post-morten toxicological investigations: analysis of 34 buprenorphine-associated and 35 methadone-associated deaths." Addiction, 99, p. 978-88
  13. Kintz P (2001) "Deaths involving buprenorphine: a compendium of French cases." Forensic Sci Int, 121, p. 65-9
  14. Sekar M, Mimpriss TJ (1987) "Buprenorphine, benzodiazepines and prolonged respiratory depression." Anaesthesia, 42, p. 567-8
  15. Gueye PN, Borron SW, Risede P, et al. (2002) "Buprenorphine and midazolalm act in combination to depress respiration in rats." Toxicol Sci, 65, p. 107-14
  16. US Food and Drug Administration (2016) FDA warns about serious risks and death when combining opioid pain or cough medicines with benzodiazepines; requires its strongest warning. http://www.fda.gov/downloads/Drugs/DrugSafety/UCM518672.pdf
View all 16 references

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Minor

modafinil food

Applies to: Provigil (modafinil)

Administration with food may delay the absorption of modafinil (the racemate) and armodafinil (the R-enantiomer) without significantly affecting their overall bioavailability. According to the product labeling, modafinil's absorption may be delayed by approximately one hour if taken with food. Similarly, the time to reach peak plasma concentration (Tmax) of armodafinil may be delayed by approximately 2 to 4 hours in the fed state.

References

  1. (2001) "Product Information. Provigil (modafinil)." Cephalon, Inc
  2. (2007) "Product Information. Nuvigil (armodafinil)." Cephalon 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

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