Evidence map›Paper›PMID 32114633›Full record

ArticlePsychopharmacology2020

Oxycodone self-administration and withdrawal behaviors in male and female Wistar rats.

Adam Kimbrough, Jenni Kononoff, Sierra Simpson, Marsida Kallupi, Sharona Sedighim, Kenia Palomino, Dana Conlisk, Jeremiah D Momper, Giordano de Guglielmo, Olivier George

Open access · greenAbstract read
In one paragraph

Article in Psychopharmacology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed
4.6field-weighted citation impact, top 4% 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

48 citing papers in PubMed, 70 citations in OpenAlex.

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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

10 authors at 2 institutions in 1 country.

Adam KimbroughDepartment of Psychiatry, School of Medicine, University of California San Diego, 9500 Gilman Drive, MC 0714, La Jolla, CA, 92093-0737, USA.ORCID http://orcid.org/0000-0001-9434-4987
Jenni KononoffDepartment of Neuroscience, The Scripps Research Institute, La Jolla, CA, 92037, USA.
Sierra SimpsonDepartment of Psychiatry, School of Medicine, University of California San Diego, 9500 Gilman Drive, MC 0714, La Jolla, CA, 92093-0737, USA.
Marsida KallupiDepartment of Psychiatry, School of Medicine, University of California San Diego, 9500 Gilman Drive, MC 0714, La Jolla, CA, 92093-0737, USA.
Sharona SedighimDepartment of Psychiatry, School of Medicine, University of California San Diego, 9500 Gilman Drive, MC 0714, La Jolla, CA, 92093-0737, USA.
Kenia PalominoSkaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, 92093, USA.
Dana ConliskDepartment of Neuroscience, The Scripps Research Institute, La Jolla, CA, 92037, USA.
Jeremiah D MomperSkaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, 92093, USA.
Giordano de GuglielmoDepartment of Psychiatry, School of Medicine, University of California San Diego, 9500 Gilman Drive, MC 0714, La Jolla, CA, 92093-0737, USA.
Olivier GeorgeDepartment of Psychiatry, School of Medicine, University of California San Diego, 9500 Gilman Drive, MC 0714, La Jolla, CA, 92093-0737, USA. olgeorge@health.ucsd.edu.
University of California San Diego · USScripps Research Institute · US

Funding

Neurpsychopharmacology-Multidisciplinary TrainingT32AA007456 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI MARISA ROBERTO · 1985 to 2026
$13.4M
Identification of Genetic Variants that Contribute to Compulsive Cocaine Intakein RatsU01DA043799 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI Olivier George, Abraham A Palmer · 2017 to 2026
$7.9M
Use of Next-Gen Sequencing to Identify Genetic Variants that Influence compulsiveOxycodone Intake in Outbred RatsU01DA044451 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI Olivier George, Abraham A Palmer · 2018 to 2026
$7.3M
Network wide analysis of brain activity involved in alcohol withdrawalR00AA027301 · NIAAA · PURDUE UNIVERSITY · PI KIMBROUGH, ADAM J · 2020 to 2022
$747k
Network wide analysis of brain activity involved in alcohol withdrawalK99AA027301 · NIAAA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI KIMBROUGH, ADAM J · 2018 to 2019
$286k
NIAAA NIH HHS AA007456NIAAA NIH HHS AA027301NIAAA NIH HHS K99 AA027301NIAAA NIH HHS R00 AA027301NIAAA NIH HHS T32 AA007456NIDA NIH HHS DA043799NIDA NIH HHS DA044451NIDA NIH HHS U01 DA043799NIDA NIH HHS U01 DA044451
6 · The paper itself

Abstract

rationaleOver the last decade, oxycodone has become one of the most widely abused drugs in the USA. Oxycodone use disorder (OUD) is a serious health problem that has prompted a need to develop animal models of OUD that have both face and predictive validity. Oxycodone use in humans is more prevalent in women and leads to pronounced hyperalgesia and irritability during withdrawal. However, unclear is whether current animal models of oxycodone self-administration recapitulate these characteristics in humans.

objectivesWe assessed the face validity of a model of extended-access oxycodone self-administration in rats by examining the escalation of oxycodone intake and behavioral symptoms of withdrawal, including irritability-like behavior and mechanical nociception, in male and female Wistar rats.

resultsBoth male and female rats escalated their oxycodone intake over fourteen 12-h self-administration sessions. After escalation, female rats administered more drug than male rats. No differences in plasma oxycodone levels were identified, but males had a significantly higher level of oxycodone in the brain at 30 min. Extended access to oxycodone significantly decreased aggressive-like behavior and increased defensive-like behaviors when tested immediately after a 12-h self-administration session, followed by a rebound increase in aggressive-like behavior 12 h into withdrawal. Tests of mechanical nociception thresholds during withdrawal indicated pronounced hyperalgesia. No sex differences in irritability-like behavior or pain sensitivity were observed.

conclusionsThe present study demonstrated the face validity of the extended access model of oxycodone self-administration by identifying sex differences in the escalation of oxycodone intake and pronounced changes in pain and affective states.

Indexed as

Sex CharacteristicsAnalgesics, OpioidAnimalsBrainEmotionsFemaleMaleOxycodonePain ThresholdRatsRats, WistarSelf AdministrationSubstance Withdrawal SyndromeAnalgesics, OpioidOxycodoneAggressionDefensiveHyperalgesiaIrritabilityOpioidOxycodonePainSelf-administrationSex differencesvon Frey test

Identifiers

PMID32114633
PMCPMC7269712
OpenAlexW3007809178

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.