Evidence map›Paper›PMID 29860612›Full record

ArticlePsychopharmacology2018

Reinforcing effects of opioid/cannabinoid mixtures in rhesus monkeys responding under a food/drug choice procedure.

David R Maguire, Charles P France

Open access · greenAbstract read
In one paragraph

Article in Psychopharmacology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.2field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 24 citations in OpenAlex.

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  15. ΔNeuropharmacology · 2019
    Article
  16. Long-Lasting Effects of Methocinnamox on Opioid Self-Administration in Rhesus Monkeys.The Journal of pharmacology and experimental therapeutics · 2019
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

David R MaguireDepartments of Pharmacology (DRM, CPF) and Psychiatry (CPF) and the Addiction Research, Treatment and Training Center of Excellence (DRM, CPF), the University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
Charles P FranceDepartments of Pharmacology (DRM, CPF) and Psychiatry (CPF) and the Addiction Research, Treatment and Training Center of Excellence (DRM, CPF), the University of Texas Health Science Center at San Antonio, San Antonio, TX, USA. france@uthscsa.edu.ORCID http://orcid.org/0000-0001-5157-6307
The University of Texas Health Science Center at San Antonio · US

Funding

DISCRIMINATIVE STIMULUS OF OPIOID WITHDRAWALR01DA005018 · NIDA · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI FRANCE, CHARLES P · 1988 to 2025
$8.8M
NIDA NIH HHS R01 DA005018Welch Foundation AQ-0039
6 · The paper itself

Abstract

objectiveCannabinoid receptor agonists such as delta-9-tetrahydrocannabinol (Δ

methodsIn this study, rhesus monkeys (n = 4) responded under a choice procedure wherein responding on one lever delivered sucrose pellets and responding on the other lever delivered intravenous infusions of the mu opioid receptor agonist remifentanil (0.032-1.0 μg/kg/infusion) alone or in combination with either Δ

resultsRemifentanil dose-dependently increased choice of drug over food, whether available alone or in combination with a cannabinoid, and the potency of remifentanil was not significantly altered by coadministration with a cannabinoid. Mixtures containing the largest doses of cannabinoids decreased response rates in most subjects, confirming that behaviorally active doses were studied.

conclusionOverall, these results extend previous studies to include choice behavior and show that cannabinoids do not substantially enhance the reinforcing effects of mu opioid receptor agonists.

Indexed as

Reinforcement, PsychologyAnalgesics, OpioidAnimalsCannabinoid Receptor AgonistsCannabinoidsChoice BehaviorCyclohexanolsDose-Response Relationship, DrugDronabinolEatingFemaleMacaca mulattaMaleReaction TimeSelf Administration3-(2-hydroxy-4-(1,1-dimethylheptyl)phenyl)-4-(3-hydroxypropyl)cyclohexanolAnalgesics, OpioidCannabinoid Receptor AgonistsCannabinoidsCyclohexanolsDronabinolCannabinoidsChoice proceduresDrug mixturesDrug self-administrationOpioidsRhesus monkeys

Identifiers

PMID29860612
PMCPMC6045955
OpenAlexW2805467278

What Socratic holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.