Evidence mapPaperPMID 39927409Full record

Trial reportDiabetes, obesity & metabolism2025

Characterization of the effect of naltrexone/bupropion on body composition.

Vanessa Tardio, Peter Yin, Fernando Camacho, Maxime Barakat, Michael A Tsoukas

Abstract readRandomized Controlled TrialClinical Trial, Phase III
In one paragraph

Trial report in Diabetes, obesity & metabolism, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Trial
  2. Understanding Impact of Anti-Obesity Medications on Skeletal Muscle Mass Change Is Confounded by Measurement Methods.Obesity reviews : an official journal of the International Association for the Study of Obesity · 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

5 authors.

Vanessa TardioMcGill University Health Centre, Division of Endocrinology, Montreal, Quebec, Canada.ORCID 0009-0003-7841-1619
Peter YinMedical Affairs, Bausch Health, Laval, Quebec, Canada.
Fernando CamachoDAMOS Inc., Toronto, Ontario, Canada.
Maxime BarakatMedical Affairs, Bausch Health, Laval, Quebec, Canada.
Michael A TsoukasMcGill University Health Centre, Division of Endocrinology, Montreal, Quebec, Canada.ORCID 0000-0002-8326-7274

Funding

Bausch HealthOrexigen Therapeutics
6 · The paper itself

Abstract

aimsOral treatment extended-release naltrexone/bupropion (NB) leads to significant weight loss, but its effect on body composition remains unclear. We investigated changes in body composition with dual-energy x-ray absorptiometry after treatment with NB or placebo in a subgroup of participants from a randomized control phase 3 study (COR-I). MATERIALS AND

methodsObserved changes from baseline to week 52 were estimated for total, lean, and fat mass. Changes in body composition were evaluated using linear regression and adjusted for baseline covariates.

resultsThe analysis included 82 participants (placebo, n = 26; NB, n = 56) with comparable baseline characteristics (age, BMI, sex). The NB group experienced a significant -7.8% change of total mass (-12.9% change in fat mass and -4.1% in lean mass), compared with a -2.8% change of total mass (-4.8% change in fat mass and -1.4% in lean mass) in the placebo group. The adjusted changes in lean-to-fat mass ratio of 0.069 in the NB group and -0.056 in the placebo group were significantly different (p < 0.05).

conclusionsNB-induced weight loss is associated with significant reductions in total percent fat mass, increase in total percent lean mass, and change in lean-to-fat mass ratio, in comparison to placebo. Larger studies are needed to further elucidate the clinical significance of these changes and impact of a potentially healthier metabolism.

Indexed as

Anti-Obesity AgentsBody CompositionBupropionNaltrexoneObesityWeight LossAbsorptiometry, PhotonAdultBody Mass IndexDouble-Blind MethodDrug CombinationsFemaleHumansMaleMiddle AgedNarcotic AntagonistsAnti-Obesity AgentsBupropionDrug CombinationsNaltrexoneNarcotic Antagonistsbody compositionnaltrexone/bupropionobesityoverweightweight loss

Identifiers

PMID39927409
PMCPMC11965020

What Socratic holds

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Registered trials

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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.