Skip to content

Study · Non-randomized trial · n = 9 · 1999

3 results

Effects of anabolic-androgenic steroid use or gonadal testosterone suppression on serum leptin concentration in men.

Hislop MS, Ratanjee BD, Soule SG, Marais AD

European journal of endocrinology1 Jul 1999Cited by 36 (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 study3

3 results from studies that gave the peptide. 3 results from people.

  1. 01HumanNon-randomized trialEfficacy outcome

    In healthy men, triptorelin significantly reduced testosterone after 5 weeks.

    In plain wordsIn healthy men, triptorelin lowered testosterone after 5 weeks.

    Outcome
    DecreaseSerum testosterone
    Study

    n = 9

    Comparator
    Baseline
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · intramuscular · 5 weeksAs given in this study (human).

    Measurements

    Testosterone
    7.32 ng/ml
    baseline
    Testosterone
    1.15 ng/ml
    5 weeks

    Source sentences

    Summary
    Testosterone concentration was significantly reduced by triptorelin administration (7.32+/- 1.92ng/ml at baseline compared with 1.15+/-0.57ng/ml at 5 weeks, P=0.002).
    1 context sentence
    Summary · context
    The effects of sex steroid suppression on serum leptin concentration were investigated in nine healthy men in whom testosterone had been reversibly suppressed for 5 weeks after treatment with intramuscular triptorelin.
  2. 02HumanNon-randomized trialEfficacy outcome

    In healthy men, triptorelin did not significantly change body fat percentage.

    In plain wordsIn healthy men, triptorelin did not significantly change body fat percentage.

    Outcome
    No significant changeBody fat percentage
    Study

    n = 9

    Comparator
    Baseline
    Outcome group
    Body weight · Metabolic and weight
    Studied dose
    Dose not stated · intramuscular · 5 weeksAs given in this study (human).

    Source sentences

    Summary
    Body fat percentage was unaffected by the AAS or triptorelin intervention (P>0.19).
    1 context sentence
    Summary · context
    The effects of sex steroid suppression on serum leptin concentration were investigated in nine healthy men in whom testosterone had been reversibly suppressed for 5 weeks after treatment with intramuscular triptorelin.
  3. 03HumanNon-randomized trialEfficacy outcome

    In healthy men, triptorelin significantly increased leptin after five weeks.

    In plain wordsIn healthy men, triptorelin raised leptin after five weeks.

    Outcome
    IncreaseSerum leptin
    Study

    n = 9

    Comparator
    Baseline
    Outcome group
    Appetite and food intake · Endocrine and hormones
    Studied dose
    Dose not stated · intramuscular · 5 weeksAs given in this study (human).

    Measurements

    Leptin
    6.63 ng/ml
    five weeks

    Source sentences

    Summary
    was significantly increased by triptorelin administration (2. 96+/-1.50ng/ml at baseline compared with 6.63+/-4.67ng/ml at five weeks, P=0.004).
    1 context sentence
    Summary · context
    The effects of sex steroid suppression on serum leptin concentration were investigated in nine healthy men in whom testosterone had been reversibly suppressed for 5 weeks after treatment with intramuscular triptorelin.

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

    22 Oct 2026, 02:26 UTC

    Study results updated

  2. Version 1

    21 Oct 2026, 18:59 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.