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Study · Not a test of the peptide alone · 2026

1 result

The effect of obesity interventions on male fertility: a systematic review and meta-analysis.

Peel A, Lyons H, Tully CA, Vincent AD, Jesudason D, Wittert G, McPherson NO

Human reproduction update1 Mar 2026Cited by 8 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: CC BY-NC. Results still quote short attributed sentences.

Results from this study1

No result from this study comes from a test of the peptide.

Studies that did not test the peptide alone1

In this study, Liraglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking Liraglutide.

  1. 01HumanNot a test of Liraglutide aloneSystematic reviewOther

    Across pharmacotherapy studies of metformin and liraglutide in reproductive-aged men with obesity, data were insufficient to draw clear conclusions about fertility outcomes.

    In plain wordsFor reproductive-aged men with obesity, studies of metformin and liraglutide had too little data for clear fertility conclusions.

    Outcome
    Direction not reportedFertility outcomes
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Pharmacotherapy (metformin and liraglutide) was assessed in five studies, including four quasi-experimental studies and one case report. There were insufficient data to draw clear conclusions regarding the impact of these agents on fertility outcomes.
    2 context sentences
    Summary · context
    Studies of reproductive-aged men (18-50 years) who underwent an obesity intervention with established weight loss benefits and undertook repeated assessment of reproduction capacity (semen analysis, conception rates, assisted reproduction outcomes) before and after the intervention were included.
    Summary · context
    32 studies were included in the analysis, with one study assessing both lifestyle interventions and pharmacotherapy.

    In this study, Liraglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Liraglutide.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    12 Oct 2026, 11:11 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:05 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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