Evidence map›Paper›PMID 22771591›Full record

ArticleThe Indian journal of medical research2012

Antinociceptive effects of gabapentin & its mechanism of action in experimental animal studies.

Fatma Sultan Kilic, Basar Sirmagul, Engin Yildirim, Setenay Oner, Kevser Erol

Abstract read
In one paragraph

Article in The Indian journal of medical research, 2012. 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
2.5field-weighted citation impact, top 11% 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, 36 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 1 institution in 1 country.

Fatma Sultan KilicDepartment of Pharmacology, Eşkisehir Osmangazi University, Medical School, Eşkisehir, Turkey.
Basar Sirmagul
Engin Yildirim
Setenay Oner
Kevser Erol
Eskişehir Osmangazi University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND &

objectivesSeveral studies have shown the possible analgesic effects of gabapentin, widely used as an antiepileptic. Thus, clinical studies have been carried out especially for neuropathic syndroms. This study was undertaken to investigate experimentally whether gabapentin has analgesic effects in mice and rats.

methodsThe mice were divided into 10 groups (n=7) with various treatments to assess central and peripheral antinociceptive activity of gabapentin. Hot plate, tail clip and tail flick tests were applied for the investigation of central antinociceptive activity and the writhing test was applied for the investigation of peripheral antinociceptive activity. In addition, we also evaluated the levels of PGE 2 and nNOS on perfused hippocampus slices of rats.

resultsGabapentin showed a peripheral antinociceptive effect at all doses and a central antinociceptive effect at 30mg/kg dose. While the L-NAME and cyproheptadine changed the central and peripheral effects of gabapentin, naloxone did not change these effects. In vitro studies showed that gabapentin significantly increased nNOS level. PGE 2 and nNOS were found to have an important role in the antinociceptive effects of gabapentin at all doses and its combinations with L-NAME, cyproheptadine, indomethacine, and naloxone. As expected, PGE 2 levels decreased in all groups, while nNOS levels increased, which is believed to be an adaptation mechanism. INTERPRETATION &

conclusionsOur findings indicate that arachidonate, nitrergic and serotonergic systems play an important role in the antinociceptive activity of gabapentin except for the opioidergic system. Additionally, this effect occured centrally and peripherally. These effects were also mediated by nNOS and PGE2.

Indexed as

AminesAnalgesicsAnimalsCyclohexanecarboxylic AcidsDinoprostoneGabapentingamma-Aminobutyric AcidHippocampusHumansMaleMiceNitric Oxide Synthase Type IPainRatsRats, Sprague-DawleyAminesAnalgesicsCyclohexanecarboxylic AcidsDinoprostoneGabapentingamma-Aminobutyric AcidNitric Oxide Synthase Type I

Identifiers

PMID22771591
PMCPMC3401692
OpenAlexW2070056408

What OpenQuestion holds

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LicenceCC BY-NC-SA
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.