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Study · Not a test of the peptide alone · 2026

14 results

Effects of glucagon-like peptide-1 receptor agonists on male reproductive hormones, semen parameters, and metabolic outcomes: a systematic review.

Deameh MG, Ramez M, Rowaiee R, Bani Irshid BA, Mohamed H, Abdelshafi A, Al-Osoufi MA, Mohamed T, Hegazin SB, Raheem O

The journal of sexual medicine1 Jan 2026Cited by 7 (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: Publisher copyright. Results still quote short attributed sentences.

Results from this study14

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

Studies that did not test the peptide alone14

In this study, the peptide 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 the peptide.

  1. 01HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In adult men, pooled GLP-1 receptor agonists including liraglutide were associated with increased total testosterone.

    In plain wordsIn adult men, GLP-1 medicines including liraglutide were linked to higher total testosterone.

    Outcome
    IncreaseTotal testosterone
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    GLP-1RAs were consistently associated with increased total testosterone, particularly in men with obesity, type 2 diabetes, or functional hypogonadism.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    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.

  2. 02HumanNot a test of Semaglutide aloneSystematic reviewEfficacy outcome

    In adult men, pooled GLP-1 receptor agonists including semaglutide were associated with increased total testosterone.

    In plain wordsIn adult men, GLP-1 medicines including semaglutide were linked to higher total testosterone.

    Outcome
    IncreaseTotal testosterone
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    GLP-1RAs were consistently associated with increased total testosterone, particularly in men with obesity, type 2 diabetes, or functional hypogonadism.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    In this study, Semaglutide 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 Semaglutide.

  3. 03HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In adult men, free testosterone changes with pooled GLP-1 receptor agonists including liraglutide were inconsistent.

    In plain wordsIn adult men, free testosterone changes with GLP-1 medicines including liraglutide were inconsistent.

    Outcome
    MixedFree testosterone
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Free testosterone changes were inconsistent, often offset by concurrent rises in sex hormone-binding globulin.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    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.

  4. 04HumanNot a test of Semaglutide aloneSystematic reviewEfficacy outcome

    In adult men, free testosterone changes with pooled GLP-1 receptor agonists including semaglutide were inconsistent.

    In plain wordsIn adult men, free testosterone changes with GLP-1 medicines including semaglutide were inconsistent.

    Outcome
    MixedFree testosterone
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Free testosterone changes were inconsistent, often offset by concurrent rises in sex hormone-binding globulin.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    In this study, Semaglutide 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 Semaglutide.

  5. 05HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In adult men, pooled GLP-1 receptor agonists including liraglutide and semaglutide preserved or increased luteinizing hormone, unlike suppression in testosterone-therapy comparator groups.

    In plain wordsIn adult men, pooled GLP-1 medicines preserved or increased luteinizing hormone, unlike suppression in testosterone-therapy comparison groups.

    Outcome
    MixedLuteinizing hormone
    Study

    n: not reported in source

    Comparator
    Testosterone therapy
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Luteinizing hormone and follicle-stimulating hormone levels were preserved or increased with GLP-1RA use, in contrast to the suppression observed in testosterone therapy comparator groups.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    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.

  6. 06HumanNot a test of Semaglutide aloneSystematic reviewEfficacy outcome

    In adult men, pooled GLP-1 receptor agonists including liraglutide and semaglutide preserved or increased luteinizing hormone, unlike suppression in testosterone-therapy comparator groups.

    In plain wordsIn adult men, pooled GLP-1 medicines preserved or increased luteinizing hormone, unlike suppression in testosterone-therapy comparison groups.

    Outcome
    MixedLuteinizing hormone
    Study

    n: not reported in source

    Comparator
    Testosterone therapy
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Luteinizing hormone and follicle-stimulating hormone levels were preserved or increased with GLP-1RA use, in contrast to the suppression observed in testosterone therapy comparator groups.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    In this study, Semaglutide 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 Semaglutide.

  7. 07HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In adult men, pooled GLP-1 receptor agonists including liraglutide and semaglutide preserved or increased follicle-stimulating hormone, unlike suppression in testosterone-therapy comparator groups.

    In plain wordsIn adult men, pooled GLP-1 medicines preserved or increased follicle-stimulating hormone, unlike suppression in testosterone-therapy comparison groups.

    Outcome
    MixedFollicle-stimulating hormone
    Study

    n: not reported in source

    Comparator
    Testosterone therapy
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Luteinizing hormone and follicle-stimulating hormone levels were preserved or increased with GLP-1RA use, in contrast to the suppression observed in testosterone therapy comparator groups.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    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.

  8. 08HumanNot a test of Semaglutide aloneSystematic reviewEfficacy outcome

    In adult men, pooled GLP-1 receptor agonists including liraglutide and semaglutide preserved or increased follicle-stimulating hormone, unlike suppression in testosterone-therapy comparator groups.

    In plain wordsIn adult men, pooled GLP-1 medicines preserved or increased follicle-stimulating hormone, unlike suppression in testosterone-therapy comparison groups.

    Outcome
    MixedFollicle-stimulating hormone
    Study

    n: not reported in source

    Comparator
    Testosterone therapy
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Luteinizing hormone and follicle-stimulating hormone levels were preserved or increased with GLP-1RA use, in contrast to the suppression observed in testosterone therapy comparator groups.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    In this study, Semaglutide 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 Semaglutide.

  9. 09HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In obese or hypogonadal men, pooled GLP-1 receptor agonists including liraglutide were associated with improved semen parameters.

    In plain wordsIn obese or hypogonadal men, GLP-1 medicines including liraglutide were linked to improved semen measures.

    Outcome
    IncreaseSemen parameters in obese or hypogonadal men
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Improvements in semen parameters were reported in obese or hypogonadal men; however, no significant changes were found in healthy individuals.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    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.

  10. 10HumanNot a test of Semaglutide aloneSystematic reviewEfficacy outcome

    In obese or hypogonadal men, pooled GLP-1 receptor agonists including semaglutide were associated with improved semen parameters.

    In plain wordsIn obese or hypogonadal men, GLP-1 medicines including semaglutide were linked to improved semen measures.

    Outcome
    IncreaseSemen parameters in obese or hypogonadal men
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Improvements in semen parameters were reported in obese or hypogonadal men; however, no significant changes were found in healthy individuals.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    In this study, Semaglutide 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 Semaglutide.

  11. 11HumanNot a test of Liraglutide aloneSystematic reviewEfficacy outcome

    In healthy men, pooled GLP-1 receptor agonists including liraglutide showed no significant semen parameter changes.

    In plain wordsIn healthy men, GLP-1 medicines including liraglutide showed no significant semen changes.

    Outcome
    No significant changeSemen parameters in healthy men
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Improvements in semen parameters were reported in obese or hypogonadal men; however, no significant changes were found in healthy individuals.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    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.

  12. 12HumanNot a test of Semaglutide aloneSystematic reviewEfficacy outcome

    In healthy men, pooled GLP-1 receptor agonists including semaglutide showed no significant semen parameter changes.

    In plain wordsIn healthy men, GLP-1 medicines including semaglutide showed no significant semen changes.

    Outcome
    No significant changeSemen parameters in healthy men
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Improvements in semen parameters were reported in obese or hypogonadal men; however, no significant changes were found in healthy individuals.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    In this study, Semaglutide 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 Semaglutide.

  13. 13HumanNot a test of Liraglutide aloneSystematic reviewOther

    In adult men, pooled GLP-1 receptor agonists including liraglutide often had concurrent rises in sex hormone-binding globulin.

    In plain wordsIn adult men, GLP-1 medicines including liraglutide were often linked to higher sex hormone-binding globulin.

    Outcome
    IncreaseSex hormone-binding globulin
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Free testosterone changes were inconsistent, often offset by concurrent rises in sex hormone-binding globulin.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    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.

  14. 14HumanNot a test of Semaglutide aloneSystematic reviewOther

    In adult men, pooled GLP-1 receptor agonists including semaglutide often had concurrent rises in sex hormone-binding globulin.

    In plain wordsIn adult men, GLP-1 medicines including semaglutide were often linked to higher sex hormone-binding globulin.

    Outcome
    IncreaseSex hormone-binding globulin
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    Free testosterone changes were inconsistent, often offset by concurrent rises in sex hormone-binding globulin.
    4 context sentences
    Summary · context
    To systematically evaluate the effects of GLP-1RAs (liraglutide, semaglutide, dulaglutide, and exenatide) on male reproductive hormones, semen parameters, and metabolic outcomes.
    Summary · context
    We conducted a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
    Summary · context
    Eligible studies included randomized controlled trials (RCTs) and cohort studies evaluating the effects of GLP-1RAs in adult men.
    Summary · context
    Ten studies involving a total of 639 men were included.

    In this study, Semaglutide 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 Semaglutide.

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 3Current

    12 Oct 2026, 11:11 UTC

    Study results updated

  2. Version 2

    9 Oct 2026, 03:06 UTC

    Study data updated · source update from Europe PMC

  3. Version 1

    9 Oct 2026, 03:04 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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