Evidence map›Paper›PMID 38168240›Full record

ArticlebioRxiv : the preprint server for biology2023

Levodopa reduces consumption of multiple classes of addictive substances in rats.

Ryan D Farero, Nathan A Holtz, Suhjung J Lee, Lauren C Kruse, Jeremy J Clark, Paul E M Phillips

Open access · greenAbstract readPreprint
In one paragraph

Article in bioRxiv : the preprint server for biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
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

0 citing papers in PubMed, 1 citations in OpenAlex.

No citing paper in PubMed yet.

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

6 authors at 1 institution in 1 country.

Ryan D FareroGraduate Program in Neuroscience, University of Washington, Seattle, WA 98195.
Nathan A HoltzCenter for Neurobiology of Addiction, Pain & Emotion, University of Washington, Seattle, WA 98195.
Suhjung J LeeCenter for Neurobiology of Addiction, Pain & Emotion, University of Washington, Seattle, WA 98195.
Lauren C KruseCenter for Neurobiology of Addiction, Pain & Emotion, University of Washington, Seattle, WA 98195.
Jeremy J ClarkGraduate Program in Neuroscience, University of Washington, Seattle, WA 98195.
Paul E M PhillipsGraduate Program in Neuroscience, University of Washington, Seattle, WA 98195.
University of Washington · US

Funding

Psychology Training in Alcohol Research (PTAR)T32AA007455 · NIAAA · UNIVERSITY OF WASHINGTON · PI MARY E. LARIMER · 1985 to 2026
$11.4M
TRAINING IN THE MOLECULAR PHARMACOLOGY OF ABUSED DRUGST32DA007278 · NIDA · UNIVERSITY OF WASHINGTON · PI Susan Marie Ferguson, Paul E. M. Phillips · 1993 to 2026
$9.8M
Neural mechanisms regulating cocaine consumptionR37DA051686 · NIDA · UNIVERSITY OF WASHINGTON · PI PHILLIPS, PAUL E. M. · 2020 to 2024
$2.5M
Neural Mechanisms of Risk Preference Following Adolescent Alcohol ExposureR01AA021121 · NIAAA · UNIVERSITY OF WASHINGTON · PI PHILLIPS, PAUL E. M. · 2012 to 2017
$1.8M
Diametric changes in phasic dopamine to contingent and non-contingent drug cues in the regulation of drug taking and drug seekingR01DA039687 · NIDA · UNIVERSITY OF WASHINGTON · PI PHILLIPS, PAUL E. M. · 2015 to 2019
$1.7M
8/8 NADIA UO1 Adolescent Alcohol and Decision MakingU01AA024599 · NIAAA · UNIVERSITY OF WASHINGTON · PI PHILLIPS, PAUL E. M. · 2015 to 2019
$869k
Neuromodulatory mechanisms mediating escalation of drug consumptionF31DA048562 · NIDA · UNIVERSITY OF WASHINGTON · PI FARERO, RYAN D · 2020 to 2021
$63k
NIAAA NIH HHS R01 AA021121NIAAA NIH HHS T32 AA007455NIAAA NIH HHS U01 AA024599NIDA NIH HHS F31 DA048562NIDA NIH HHS R01 DA039687NIDA NIH HHS R37 DA051686NIDA NIH HHS T32 DA007278
6 · The paper itself

Abstract

Dopamine transmission is implicated in aberrant behaviors associated with substance use disorders. Previous research revealed a causal link between excessive drug consumption and the loss of dopamine signaling to stimuli associated with psychostimulant use. The emerging change in dopamine signaling is specific to stimuli associated with the substance rather than the pharmacological properties of the drug itself. Because the change in dopamine signaling was specific to the associated stimuli and not the pharmacological properties of the substance, we examined if treatment with the dopamine precursor, l-DOPA, alters alcohol and opioid self-administration. Therefore, we trained rats to orally self-administer ethanol or the synthetic opioid fentanyl and found that treating animals with l-DOPA significantly reduced consumption of both alcohol and fentanyl. These data suggest dopamine signaling has a vital role in mediating the amount of drug animals will voluntarily take, across multiple classes of drugs. Importantly, these data are preclinical demonstrations of l-DOPA being utilized as a harm reducing treatment in substance use disorders.

Identifiers

PMID38168240
PMCPMC10760127
OpenAlexW4389777587

What OpenQuestion holds

Textmetadata
LicenceCC BY-ND
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 OpenQuestion graph.