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Indications
Alcohol dependence
Mechanisms of Action
Naltrexone is an opiate antagonist with minimal agonist activity.
Clinical Use (Including Side Effects)
Naltrexone is not currently approved for the treatment of ASD-related symptoms but enjoys some off-label use.
A series of early open-label studies had suggested significant improvements in self-injurious behaviors (SIB). The side effect profile was relatively benign.
Following early data, there have been a few small controlled studies (max sample size 41, Campbell et al., 1993) treating children between the ages of 2.8 and 19 years with naltrexone. A nice systematic review by Elchaar et al. in 2006 has summarized available data in ASD. Overall, the data does not support the use of naltrexone for the treatment of core symptom domains of ASD, despite original hypothesis regarding abnormalities in the endogenous opioid system in ASD (Panksepp et al. 1979). However, preliminary data...
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References and Readings
Campbell, M., Anderson, L. T., Small, A. M., Adams, P., Gonzalez, N. M., & Ernst, M. (1993). Naltrexone in autistic children: Behavioral symptoms and attentional learning. Journal of the American Academy of Child & Adolescent Psychiatry, 32, 1283–1291.
Elchaar, G. M., Maisch, N. M., Augusto, L. M., & Wehring, H. J. (2006). Efficacy and safety of naltrexone use in pediatric patients with autistic disorder. Annals of Pharmacotherapy, 40, 1086–1095.
Pansepp, J. (1979). A neurochemical theory of autism. Trends in Biochemical Sciences, 2, 174–177.
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Anagnostou, E., Mankad, D. (2013). Naltrexone. In: Volkmar, F.R. (eds) Encyclopedia of Autism Spectrum Disorders. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-1698-3_1531
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DOI: https://doi.org/10.1007/978-1-4419-1698-3_1531
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