ArticlePsychopharmacology2020
Active vaccination reduces reinforcing effects of MDPV in male Sprague-Dawley rats trained to self-administer cocaine.
Article in Psychopharmacology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- A Review of Immunotherapeutic Approaches for Substance Use Disorders: Current Status and Future Prospects.ImmunoTargets and therapy · 2022Review
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
rationale3,4-Methylenedioxypyrovalerone (MDPV) is a synthetic cathinone abused for its cocaine-like psychostimulant effects in "bath salts" products. While there are currently no pharmacotherapies for MDPV abuse, rodent studies suggest immunotherapy may offer a feasible treatment option.
objectivesThese studies tested the capacity of active vaccination to reduce the reinforcing effects of MDPV in Sprague-Dawley rats.
methodsRats acquired cocaine self-administration (0.32 mg/kg/inf) on an FR1 schedule. Dose-effect functions for cocaine (0.032-1.0 mg/kg/inf) and MDPV (0.001-0.32 mg/kg/inf) were determined under an FR5 schedule. Rats in the vaccine group were immunized during cocaine self-administration. All rats transitioned to a progressive-ratio (PR) schedule to establish breakpoints for cocaine (0.1-1.0 mg/kg/inf) and MDPV (0.01-0.32 mg/kg/inf). Responding was extinguished, and cue-induced and MDPV-primed reinstatement (0.56 mg/kg, IP) were evaluated.
resultsNo endpoints of cocaine self-administration differed between groups, but the ED
conclusionsVaccination did not alter acquisition of cocaine self-administration, demonstrating pharmacological selectivity and suggesting that the vaccine did not affect learning or motivation, while effectively reducing the potency of MDPV as a reinforcer. The protective effects of the vaccine were surmounted by large unit doses of MDPV, suggesting maximal efficacy of drug-conjugate vaccines in substance abuse disorders will likely require concurrent behavior modification therapy.
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