Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 35, Issue 3, Pages 912-938Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2010.10.012
Keywords
Abuse potential; Dependence; Non-human primate; Rat; Reinforcement; Scheduling; Subjective-effects
Categories
Funding
- BBSRC
- Pfizer
- NC3Rs
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The self-administration model is the primary non-clinical approach for assessing the reinforcing properties of novel compounds. Given the now frequent use of rats in self-administration studies, it is important to understand the predictive validity of the rat self-administration model for use in abuse liability assessments. This review of 71 drugs identifies high concordance between findings from rat self-administration studies and two clinical indicators of abuse liability, namely reports of positive subjective-effects and the DEA drug scheduling status. To understand the influence of species on concordance we compare rodent and non-human primate (NHP) self-administration data. In the few instances where discrepancies are observed between rat data and the clinical indicators of abuse liability, rat self-administration data corresponds with NHP data in the majority of these cases. We discuss the influence of genetic factors (sex and strain), food deprivation state and the study design (acquisition or drug substitution) on self-administration study outcomes and highlight opportunities to improve the predictive validity of the self-administration model. (C) 2010 Elsevier Ltd. All rights reserved.
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