Drug Interactions between Austedo XR and buprenorphine
This report displays the potential drug interactions for the following 2 drugs:
- Austedo XR (deutetrabenazine)
- buprenorphine
Interactions between your drugs
buprenorphine deutetrabenazine
Applies to: buprenorphine and Austedo XR (deutetrabenazine)
GENERALLY AVOID: Deutetrabenazine has been associated with modest QT interval prolongation. A single 24 mg dose has been shown to increase the QTc by approximately 4.5 msec in a study in healthy male and female subjects. The risk of clinically significant QT prolongation may be increased in patients treated in combination with a strong CYP450 2D6 inhibitor or in patients who are poor metabolizers of CYP450 2D6 (approximately 7% of Caucasians and 2% of Asians and those of African descent). However, data evaluating the effects at higher exposures to deutetrabenazine or its active metabolites are lacking. In general, the risk of an individual agent or a combination of agents causing ventricular arrhythmia in association with QT prolongation is largely unpredictable but may be increased by certain underlying risk factors such as congenital long QT syndrome, cardiac disease, and electrolyte disturbances (e.g., hypokalemia, hypomagnesemia). In addition, the extent of drug-induced QT prolongation is dependent on the particular drugs involved and dosages of the drugs. In addition, central nervous system (CNS)-depressant effects may be additively or synergistically increased in patients taking deutetrabenazine with certain other drugs that cause these effects, especially in elderly or debilitated patients.
MANAGEMENT: Coadministration of deutetrabenazine with other drugs that can prolong the QT interval should generally be avoided. Deutetrabenazine is not recommended for use in patients with congenital long QT syndrome or with arrhythmias associated with a prolonged QT interval. If concomitant use is required, assessment of baseline QT interval and periodic monitoring during therapy may be considered. In addition, dosage reduction may be considered in patients on concurrent therapy with a strong CYP450 2D6 inhibitor, or in patients who are poor metabolizers of CYP450 2D6. The maximum recommended dosage of deutetrabenazine is 18 mg per dose and 36 mg per day during coadministration with a potent CYP450 2D6 inhibitor or in patients who are poor metabolizers of CYP450 2D6. Patients and their caregivers should be advised to notify their physician if they experience new or worsening depression, suicidal thoughts, parkinsonism, restlessness, agitation, dysphagia, and/or excessive sedation while taking deutetrabenazine. Patients should also be advised to seek prompt medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, lightheadedness, fainting, palpitation, irregular heart rhythm, shortness of breath, or syncope. Ambulatory patients should be counseled to avoid hazardous activities requiring mental alertness and motor coordination until they know how these agents affect them, and to notify their doctor if they experience excessive or prolonged CNS effects that interfere with their normal activities.
References
- (2017) "Product Information. Austedo (deutetrabenazine)." Teva Pharmaceuticals USA
Drug and food interactions
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
- (2002) "Product Information. Suboxone (buprenorphine-naloxone)." Reckitt and Colman Pharmaceuticals Inc
- Kilicarslan T, Sellers EM (2000) "Lack of interaction of buprenorphine with flunitrazepam metabolism." Am J Psychiatry, 157, p. 1164-6
- Reynaud M, Petit G, Potard D, Courty P (1998) "Six deaths linked to concomitant use of buprenorphine and benzodiazepines." Addiction, 93, p. 1385-92
- 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
- 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
- Kintz P (2002) "A new series of 13 buprenorphine-related deaths." Clin Biochem, 35, p. 513-6
- Martin HA (2011) "The possible consequences of combining lorazepam and buprenorphine/naloxone: a case review." J Emerg Nurs, 37, p. 200-2
- 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
- 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/
- 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
- Ferrant O, Papin F, Clin B, et al. (2011) "Fatal poisoning due to snorting buprenorphine and alcohol consumption." Forensic Sci Int, 204, e8-11
- 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
- Kintz P (2001) "Deaths involving buprenorphine: a compendium of French cases." Forensic Sci Int, 121, p. 65-9
- Sekar M, Mimpriss TJ (1987) "Buprenorphine, benzodiazepines and prolonged respiratory depression." Anaesthesia, 42, p. 567-8
- 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
- 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
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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