Evidence map›Paper›PMID 25237122›Full record

Trial reportJournal of psychopharmacology (Oxford, England)2014

Opioid modulation of resting-state anterior cingulate cortex functional connectivity.

Stephanie M Gorka, Daniel A Fitzgerald, Harriet de Wit, Mike Angstadt, K Luan Phan

Open access · greenAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Journal of psychopharmacology (Oxford, England), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 23% 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

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 34 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

5 authors at 4 institutions in 1 country.

Stephanie M GorkaDepartment of Psychiatry, University of Illinois-Chicago, Chicago, IL, USA Department of Psychology, University of Illinois-Chicago, Chicago, IL, USA sgorka2@uic.edu.
Daniel A FitzgeraldDepartment of Psychiatry, University of Illinois-Chicago, Chicago, IL, USA.
Harriet de WitDepartment of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, IL, USA.
Mike AngstadtDepartment of Psychiatry, University of Michigan, Ann Arbor, MI, USA.
K Luan PhanDepartment of Psychiatry, University of Illinois-Chicago, Chicago, IL, USA Department of Psychology, University of Illinois-Chicago, Chicago, IL, USA Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA Jesse Brown VA Medical Center, Mental Health Service Line, Chicago, IL, USA.
University of Illinois Chicago · USJesse Brown VA Medical Center · USUniversity of Chicago · USUniversity of Michigan–Ann Arbor · US

Funding

Determinants of Drug Preference in Humans--Administrative SupplementR01DA002812 · NIDA · UNIVERSITY OF CHICAGO · PI DE WIT, HARRIET · 1985 to 2024
$10.6M
Functional Neuroimaging of Opioid Effects on Affective ExperienceR03DA024197 · NIDA · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI PHAN, KINH LUAN · 2007 to 2007
$228k
NIDA NIH HHS R01 DA002812NIDA NIH HHS R03 DA024197NIDA NIH HHS R03DA024197
6 · The paper itself

Abstract

Individuals misuse oxycodone, a widely prescribed opioid analgesic, in part to self-medicate physical and emotional pain. Physical and emotional pain is thought to be represented in the brain by a 'pain matrix,' consisting of the insula, thalamus, and somatosensory cortices, with processing of the affective dimension of pain in the dorsal and rostral anterior cingulate cortex (ACC). The current study examined oxycodone's effects on resting-state functional connectivity between the dorsal ACC, rostral ACC, and other regions of the pain matrix using functional magnetic resonance imaging (fMRI). In a within-subjects, randomized, double-blind, placebo-controlled, dose-response design, 14 healthy subjects completed a resting-state scan following ingestion of placebo, 10 mg, or 20 mg of oxycodone. Functional correlations between the dorsal and rostral ACC seed regions and the pain matrix were examined and compared across sessions. Both doses of oxycodone reduced functional coupling between the dorsal ACC and bilateral anterior insula/putamen and the rostral ACC and right insula relative to placebo (no differences between doses). The findings do not withstand correction for multiple comparisons, and thus should be considered preliminary. However, they are consistent with the idea that oxycodone may produce its physical and emotional 'analgesic' effects through disruption of ACC-insula and ACC-putamen connectivity.

Indexed as

AdultAnalgesics, OpioidCerebral CortexDose-Response Relationship, DrugDouble-Blind MethodFemaleFunctional NeuroimagingGyrus CinguliHumansMagnetic Resonance ImagingMaleNeural PathwaysOxycodoneSomatosensory CortexThalamusYoung AdultAnalgesics, OpioidOxycodonefunctional connectivityOxycodonepainresting state

Identifiers

PMID25237122
PMCPMC5613932
OpenAlexW2142112072

What OpenQuestion 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 OpenQuestion graph.