Evidence map›Paper›PMID 39301937›Full record

SynthesisPain management2024

The use of naltrexone in the treatment of chronic pain: a systematic review.

Victor Rassi-Mariani, Eduardo Silva Reis Barreto, César Romero Antunes, Vinicius Borges Alencar, Liliane Elze Falcão Lins-Kusterer, Liana Maria Torres de Araujo Azi, Durval Campos Kraychete

Abstract readSystematic Review
In one paragraph

Synthesis in Pain management, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Opioid Signaling in Multiple Sclerosis: Emerging Targets for Repair.International journal of molecular sciences · 2026
    Review
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

7 authors.

Victor Rassi-MarianiFederal University of Bahia, Salvador, Bahia, Brazil.ORCID 0009-0007-5732-4988
Eduardo Silva Reis BarretoFederal University of Bahia, Salvador, Bahia, Brazil.ORCID 0009-0008-4688-8857
César Romero AntunesFederal University of Bahia, Salvador, Bahia, Brazil.ORCID 0000-0003-1701-5279
Vinicius Borges AlencarFederal University of Bahia, Salvador, Bahia, Brazil.ORCID 0009-0009-9655-6479
Liliane Elze Falcão Lins-KustererFederal University of Bahia, Salvador, Bahia, Brazil.ORCID 0000-0003-3736-0002
Liana Maria Torres de Araujo AziFederal University of Bahia, Salvador, Bahia, Brazil.ORCID 0000-0002-9466-6537
Durval Campos KraycheteFederal University of Bahia, Salvador, Bahia, Brazil.ORCID 0000-0001-6561-6584

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study aims to assess the efficacy of low-dose naltrexone (LDN) in treating chronic pain. We conducted a systematic review using the PICO strategy: (P) Patients with chronic pain, (I) Use of oral naltrexone, (C) Placebo or active drug and (O) Pain relief and quality of life. We included articles from PubMed, Scopus, Cochrane CENTRAL and EMBASE databases. Seven randomized clinical trials involving 406 patients were analyzed. The doses ranging from 2 to 4.5 mg once daily across all studies. Various chronic pain conditions were evaluated. The results suggest that low-dose naltrexone is not effective in managing chronic pain and improving the quality of life in patients with diverse chronic pain conditions. However, further research with larger sample sizes and standardized methodologies is necessary.

Indexed as

Chronic PainNaltrexoneNarcotic AntagonistsHumansQuality of LifeRandomized Controlled Trials as TopicTreatment OutcomeNaltrexoneNarcotic Antagonistschronic diseasefibromyalgiaopioidpharmacotherapyquality of life

Identifiers

PMID39301937
PMCPMC11487945

What OpenQuestion holds

Textmetadata
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.