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Study · Non-randomized trial · n = 8 · 2013

3 results

Growth hormone (GH) activity is associated with increased serum oestradiol and reduced anti-Müllerian hormone in healthy male volunteers treated with GH and a GH antagonist.

Andreassen M, Frystyk J, Faber J, Kristensen LØ, Juul A

Andrology1 Jul 2013Cited by 16 (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, pegvisomant reduced IGF-I from 204 (160-290) to 106 (97-157) μg/L (p = 0.001).

    In plain wordsIn healthy men, pegvisomant reduced IGF-I compared with before treatment.

    Outcome
    DecreaseIGF-I
    Study

    n = 8

    Comparator
    Before pegvisomant treatment
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    10 mg/day first week, 15 mg/day last 2 weeks · 3 weeksAs given in this study (human).

    Measurements

    IGF-I median
    204 μg/L
    before pegvisomant treatment
    IGF-I interquartile range
    160 to 290 μg/L
    before pegvisomant treatment
    IGF-I median
    106 μg/L
    during pegvisomant treatment
    IGF-I interquartile range
    97 to 157 μg/L
    during pegvisomant treatment

    Source sentences

    Summary
    During pegvisomant treatment IGF-I (204 (160-290) vs. 106 (97-157) μg/L, p = 0.001) and oestradiol (86 ± 28 vs. 79 ± 25 pm, p = 0.060) decreased.
    1 context sentence
    Summary · context
    Eight healthy male volunteers (mean age 35, range 29-46 years) were treated with GH for 3 weeks (1st week 0.01, 2nd week 0.02, 3rd week 0.03 mg/day/kg) or a GH receptor antagonist (Pegvisomant) (1st week 10, last 2 weeks 15 mg/day), separated by 8 weeks of washout.
  2. 02HumanNon-randomized trialEfficacy outcome

    In healthy men, oestradiol decreased from 86 ± 28 to 79 ± 25 pm during pegvisomant treatment (p = 0.060).

    In plain wordsIn healthy men, oestradiol decreased during pegvisomant treatment compared with before treatment, with p = 0.060.

    Outcome
    DecreaseOestradiol
    Study

    n = 8

    Comparator
    Before pegvisomant treatment
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    10 mg/day first week, 15 mg/day last 2 weeks · 3 weeksAs given in this study (human).

    Measurements

    Oestradiol mean
    86 pm
    before pegvisomant treatment
    Oestradiol standard deviation
    28 pm
    before pegvisomant treatment
    Oestradiol mean
    79 pm
    during pegvisomant treatment
    Oestradiol standard deviation
    25 pm
    during pegvisomant treatment

    Source sentences

    Summary
    During pegvisomant treatment IGF-I (204 (160-290) vs. 106 (97-157) μg/L, p = 0.001) and oestradiol (86 ± 28 vs. 79 ± 25 pm, p = 0.060) decreased.
    1 context sentence
    Summary · context
    Eight healthy male volunteers (mean age 35, range 29-46 years) were treated with GH for 3 weeks (1st week 0.01, 2nd week 0.02, 3rd week 0.03 mg/day/kg) or a GH receptor antagonist (Pegvisomant) (1st week 10, last 2 weeks 15 mg/day), separated by 8 weeks of washout.
  3. 03HumanNon-randomized trialEfficacy outcome

    In healthy men, other reproductive hormones showed no significant changes or trends during pegvisomant treatment.

    In plain wordsIn healthy men, other reproductive hormones showed no significant changes or trends with pegvisomant compared with before treatment.

    Outcome
    No significant changeOther reproductive hormones
    Study

    n = 8

    Comparator
    Before pegvisomant treatment
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    10 mg/day first week, 15 mg/day last 2 weeks · 3 weeksAs given in this study (human).

    Source sentences

    Summary
    No significant changes or trends in the other reproductive hormones occurred during the two treatment regimens.
    2 context sentences
    Summary · context
    Before and after the two treatment periods, concentrations of luteinizing hormone (LH), follicle-stimulating hormone, testosterone, oestradiol, sex hormone-binding globulin, inhibin B and Anti-Müllerian Hormone (AMH) were measured.
    Summary · context
    Eight healthy male volunteers (mean age 35, range 29-46 years) were treated with GH for 3 weeks (1st week 0.01, 2nd week 0.02, 3rd week 0.03 mg/day/kg) or a GH receptor antagonist (Pegvisomant) (1st week 10, last 2 weeks 15 mg/day), separated by 8 weeks of washout.

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

Registered trials1

Trials this study reports on, or that list this study as a reference. Registry data from ClinicalTrials.gov.

1 trial · source ClinicalTrials.gov (opens in a new tab)

Status unknownNot applicableNCT00969644

The Relationship Between the Growth Hormone (GH)- Insulin Like Growth Factor I (IGF-I) System and the Inflammatory System in Healthy Normal Persons

Herlev Hospitaln = 12Sept 2009 to est. Mar 2010

Interaction Between the GH/IGF-I System and the Immune-system

Trial pageClinicalTrials.govUpdated 1 Sept 2009

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

    28 Oct 2026, 02:03 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:34 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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