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Study · Randomized controlled trial · n = 16 · 1995

13 results

The effects of recombinant human insulin-like growth factor-I and growth hormone on body composition in elderly women.

Thompson JL, Butterfield GE, Marcus R, Hintz RL, Van Loan M, Ghiron L, Hoffman AR

The Journal of clinical endocrinology and metabolism1 Jun 1995Cited by 91 (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 study13

11 results from studies that gave the peptide. 11 results from people.

  1. 01HumanRandomized controlled trialMechanism

    In elderly women, serum IGF-I increased significantly in all groups, including both rhIGF-I groups.

    In plain wordsIn elderly women, serum IGF-I increased in all groups, including both rhIGF-I groups.

    Outcome
    IncreaseSerum IGF-I
    Study

    n = 16

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    0.015 and 0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    All groups experienced a significant increase in serum IGF-I and IGFBP-3 levels over the treatment period, accompanied by significant decreases in IGF-II (P < 0.05).
    3 context sentences
    Summary · context
    The purpose of this study was to determine the effects of recombinant human GH (rhGH; 0.025 mg/kg.day) and one of two doses of recombinant human insulin-like growth factor-I (rhIGF-I; 0.015 and 0.060 mg/kg, twice daily) on body composition in elderly women.
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  2. 02HumanRandomized controlled trialMechanism

    In elderly women, serum IGFBP-3 increased significantly in all groups, including both rhIGF-I groups.

    In plain wordsIn elderly women, serum IGFBP-3 increased in all groups, including both rhIGF-I groups.

    Outcome
    IncreaseSerum IGFBP-3
    Study

    n = 16

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    0.015 and 0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    All groups experienced a significant increase in serum IGF-I and IGFBP-3 levels over the treatment period, accompanied by significant decreases in IGF-II (P < 0.05).
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  3. 03HumanRandomized controlled trialMechanism

    In elderly women, serum IGF-II decreased significantly in all groups, including both rhIGF-I groups.

    In plain wordsIn elderly women, serum IGF-II decreased in all groups, including both rhIGF-I groups.

    Outcome
    DecreaseSerum IGF-II
    Study

    n = 16

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    0.015 and 0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Measurements

    P value for serum IGF-II decrease
    < 0.05 p value
    All groups, decrease over the treatment period

    Source sentences

    Summary
    All groups experienced a significant increase in serum IGF-I and IGFBP-3 levels over the treatment period, accompanied by significant decreases in IGF-II (P < 0.05).
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  4. 04HumanRandomized controlled trialEfficacy outcome

    In elderly women, fat mass decreased in all groups, including both rhIGF-I groups.

    In plain wordsIn elderly women, fat mass decreased in all groups, including both rhIGF-I groups.

    Outcome
    DecreaseFat mass
    Study

    n = 16

    Outcome group
    Body composition · Metabolic and weight
    Studied dose
    0.015 and 0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    Fat mass decreased in all groups, with significant increases in lean body mass and nitrogen retention occurring in the high dose IGF and GH groups.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  5. 05HumanRandomized controlled trialSafety outcome

    In elderly women, low-dose rhIGF-I was well tolerated.

    In plain wordsIn elderly women, low-dose rhIGF-I was well tolerated.

    Outcome
    Not applicableTolerability
    Study

    n = 6

    Outcome group
    Adverse events · Whole body
    Studied dose
    0.015 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    The low IGF dose was well tolerated.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  6. 06HumanRandomized controlled trialEfficacy outcome

    In elderly women, high-dose rhIGF-I significantly increased lean body mass.

    In plain wordsIn elderly women, high-dose rhIGF-I increased lean body mass.

    Outcome
    IncreaseLean body mass
    Study

    n = 5

    Outcome group
    Body composition · Metabolic and weight
    Studied dose
    0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    Fat mass decreased in all groups, with significant increases in lean body mass and nitrogen retention occurring in the high dose IGF and GH groups.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  7. 07HumanRandomized controlled trialEfficacy outcome

    In elderly women, high-dose rhIGF-I significantly increased nitrogen retention.

    In plain wordsIn elderly women, high-dose rhIGF-I increased nitrogen retention.

    Outcome
    IncreaseNitrogen retention
    Study

    n = 5

    Outcome group
    Protein and amino acid metabolism · Metabolic and weight
    Studied dose
    0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    Fat mass decreased in all groups, with significant increases in lean body mass and nitrogen retention occurring in the high dose IGF and GH groups.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  8. 08HumanRandomized controlled trialSafety outcome

    In elderly women, headaches were among the side-effects reported in the GH and high-dose rhIGF-I groups.

    In plain wordsIn elderly women, headaches were among the side-effects reported in the GH and high-dose rhIGF-I groups.

    Outcome
    Not applicableHeadaches
    Study

    n = 5

    Outcome group
    Adverse events · Nervous system and cognition
    Studied dose
    0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    These anabolic changes were accompanied by numerous negative side-effects in the GH and high dose IGF groups, including headaches, lethargy, joint swelling/pain, and bloatedness.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  9. 09HumanRandomized controlled trialSafety outcome

    In elderly women, lethargy was among the side-effects reported in the GH and high-dose rhIGF-I groups.

    In plain wordsIn elderly women, lethargy was among the side-effects reported in the GH and high-dose rhIGF-I groups.

    Outcome
    Not applicableLethargy
    Study

    n = 5

    Outcome group
    Adverse events · Whole body
    Studied dose
    0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    These anabolic changes were accompanied by numerous negative side-effects in the GH and high dose IGF groups, including headaches, lethargy, joint swelling/pain, and bloatedness.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  10. 10HumanRandomized controlled trialSafety outcome

    In elderly women, joint swelling/pain was among the side-effects reported in the GH and high-dose rhIGF-I groups.

    In plain wordsIn elderly women, joint swelling or pain was among the side-effects reported in the GH and high-dose rhIGF-I groups.

    Outcome
    Not applicableJoint swelling/pain
    Study

    n = 5

    Outcome group
    Adverse events · Musculoskeletal
    Studied dose
    0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    These anabolic changes were accompanied by numerous negative side-effects in the GH and high dose IGF groups, including headaches, lethargy, joint swelling/pain, and bloatedness.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.
  11. 11HumanRandomized controlled trialSafety outcome

    In elderly women, bloatedness was among the side-effects reported in the GH and high-dose rhIGF-I groups.

    In plain wordsIn elderly women, bloating was among the side-effects reported in the GH and high-dose rhIGF-I groups.

    Outcome
    Not applicableBloatedness
    Study

    n = 5

    Outcome group
    Gastrointestinal adverse events · Gastrointestinal
    Studied dose
    0.060 mg/kg twice daily · 4 weeksAs given in this study (human).

    Source sentences

    Summary
    These anabolic changes were accompanied by numerous negative side-effects in the GH and high dose IGF groups, including headaches, lethargy, joint swelling/pain, and bloatedness.
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.

Studies that did not test the peptide alone2

In this study, IGF-1 (mecasermin) 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 IGF-1 (mecasermin).

  1. 12HumanNot a test of IGF-1 (mecasermin) aloneRandomized controlled trialEfficacy outcome

    In elderly women given rhGH or rhIGF-I (groups not reported separately), total body water did not change.

    In plain wordsIn elderly women given growth hormone or IGF-I, total body water did not change; groups were not reported separately.

    Outcome
    No significant changeTotal body water
    Study

    n = 16

    Outcome group
    Body composition · Metabolic and weight

    Source sentences

    Summary
    Total body water did not change, whereas increases observed in intracellular fluid approached significance (P = 0.06).
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.

    In this study, IGF-1 (mecasermin) 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 IGF-1 (mecasermin).

  2. 13HumanNot a test of IGF-1 (mecasermin) aloneRandomized controlled trialEfficacy outcome

    In elderly women given rhGH or rhIGF-I (groups not reported separately), intracellular fluid increases approached significance (P = 0.06).

    In plain wordsIn elderly women given growth hormone or IGF-I, rises in intracellular fluid came close to significance; groups were not reported separately.

    Outcome
    No significant changeIntracellular fluid
    Study

    n = 16

    Outcome group
    Body composition · Metabolic and weight

    Measurements

    P value for intracellular fluid increase
    0.06 p value
    rhGH or rhIGF-I, groups not reported separately, increase over the treatment period

    Source sentences

    Summary
    Total body water did not change, whereas increases observed in intracellular fluid approached significance (P = 0.06).
    2 context sentences
    Summary · context
    Sixteen healthy elderly women (mean age +/- SEM, 71.9 +/- 1.3 yr) were randomly assigned to receive either rhGH (GH; n = 5), low dose rhIGF-I (n = 6), or high dose rhIGF-I (n = 5).
    Summary · context
    A 2-week predrug baseline period was followed by 4 weeks of hormone treatment, with a standardized diet fed throughout.

    In this study, IGF-1 (mecasermin) 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 IGF-1 (mecasermin).

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

    14 Oct 2026, 05:02 UTC

    Study results updated

  2. Version 1

    14 Oct 2026, 01:46 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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