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Study · Non-randomized trial · n = 22 · 1997

15 results

Two-year treatment of growth hormone (GH) receptor deficiency with recombinant insulin-like growth factor I in 22 children: comparison of two dosage levels and to GH-treated GH deficiency.

Guevara-Aguirre J, Rosenbloom AL, Vasconez O, Martinez V, Gargosky SE, Allen L, Rosenfeld RG

The Journal of clinical endocrinology and metabolism1 Feb 1997Cited by 77 (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 study15

15 results from studies that gave the peptide. 15 results from people.

  1. 01HumanNon-randomized trialEfficacy outcome

    In GH receptor-deficient children, growth velocity did not differ between rhIGF-I dosage groups.

    In plain wordsIn GH receptor-deficient children, growth speed did not differ between the two rhIGF-I doses.

    Outcome
    No significant changeGrowth velocity by dose
    Study

    n = 22

    Comparator
    80 micrograms/kg twice daily
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    120 micrograms/kg twice daily · 2 yrAs given in this study (human).

    Source sentences

    Summary
    Over 2 yr of rhIGF-I treatment, there were no differences in GV or in changes in height SD score, height age (HA), or BA between the two groups; a subgroup of six subjects at the higher dose followed for a third year continued at the second year GV.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  2. 02HumanNon-randomized trialEfficacy outcome

    In GH receptor-deficient children, height SD score changes did not differ between rhIGF-I dosage groups.

    In plain wordsIn GH receptor-deficient children, height score changes did not differ between the two rhIGF-I doses.

    Outcome
    No significant changeHeight SD score change by dose
    Study

    n = 22

    Comparator
    80 micrograms/kg twice daily
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    120 micrograms/kg twice daily · 2 yrAs given in this study (human).

    Source sentences

    Summary
    Over 2 yr of rhIGF-I treatment, there were no differences in GV or in changes in height SD score, height age (HA), or BA between the two groups; a subgroup of six subjects at the higher dose followed for a third year continued at the second year GV.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  3. 03HumanNon-randomized trialEfficacy outcome

    In GH receptor-deficient children, height age changes did not differ between rhIGF-I dosage groups.

    In plain wordsIn GH receptor-deficient children, height age changes did not differ between the two rhIGF-I doses.

    Outcome
    No significant changeHeight age change by dose
    Study

    n = 22

    Comparator
    80 micrograms/kg twice daily
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    120 micrograms/kg twice daily · 2 yrAs given in this study (human).

    Source sentences

    Summary
    Over 2 yr of rhIGF-I treatment, there were no differences in GV or in changes in height SD score, height age (HA), or BA between the two groups; a subgroup of six subjects at the higher dose followed for a third year continued at the second year GV.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  4. 04HumanNon-randomized trialEfficacy outcome

    In GH receptor-deficient children, bone age changes did not differ between rhIGF-I dosage groups.

    In plain wordsIn GH receptor-deficient children, bone age changes did not differ between the two rhIGF-I doses.

    Outcome
    No significant changeBone age change by dose
    Study

    n = 22

    Comparator
    80 micrograms/kg twice daily
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    120 micrograms/kg twice daily · 2 yrAs given in this study (human).

    Source sentences

    Summary
    Over 2 yr of rhIGF-I treatment, there were no differences in GV or in changes in height SD score, height age (HA), or BA between the two groups; a subgroup of six subjects at the higher dose followed for a third year continued at the second year GV.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  5. 05HumanNon-randomized trialEfficacy outcome

    In GH receptor-deficient children, higher-dose rhIGF-I produced a greater percent mean body weight for height change than lower-dose treatment.

    In plain wordsIn GH receptor-deficient children, weight relative to height changed more with higher-dose rhIGF-I than with lower-dose treatment.

    Outcome
    IncreasePercent mean body weight for height by dose
    Study

    n = 22

    Comparator
    80 micrograms/kg twice daily
    Outcome group
    Body weight · Metabolic and weight
    Studied dose
    120 micrograms/kg twice daily · 2 yrAs given in this study (human).

    Source sentences

    Summary
    The higher dose resulted in a greater change in percent MBWH.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  6. 06HumanNon-randomized trialEfficacy outcome

    In GH receptor-deficient children, near-normal trough IGF-I levels did not differ between rhIGF-I dosage groups.

    In plain wordsIn GH receptor-deficient children, trough IGF-I levels were nearly normal and similar between the two rhIGF-I doses.

    Outcome
    No significant changeTrough serum IGF-I by dose
    Study

    n = 22

    Comparator
    80 micrograms/kg twice daily
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    120 micrograms/kg twice daily · 2 yrAs given in this study (human).

    Source sentences

    Summary
    There were no differences between dosage groups for serum IGF-I levels at baseline or the near-normal trough levels 12 h after rhIGF-I injection; these individual levels correlated with HA gain in yr 1 and 2.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  7. 07HumanNon-randomized trialMechanism

    In rhIGF-I-treated GHRD children, individual serum IGF-I levels correlated with height age gain.

    In plain wordsIn children with GHRD receiving rhIGF-I, blood IGF-I levels were linked to height age gains.

    Outcome
    Not applicableIGF-I level correlation with height age gain
    Study

    n = 22

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    There were no differences between dosage groups for serum IGF-I levels at baseline or the near-normal trough levels 12 h after rhIGF-I injection; these individual levels correlated with HA gain in yr 1 and 2.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  8. 08HumanNon-randomized trialEfficacy outcome

    In GH receptor-deficient children, markedly low IGFBP-3 levels did not change significantly with rhIGF-I treatment.

    In plain wordsIn GH receptor-deficient children, very low IGFBP-3 levels did not change significantly during rhIGF-I treatment.

    Outcome
    No significant changeIGFBP-3 treatment change
    Study

    n = 22

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    IGFBP-3 levels were markedly low, with no changes of significance with treatment.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  9. 09HumanNon-randomized trialEfficacy outcome

    In a higher-dose rhIGF-I subgroup, third-year growth velocity continued at the second-year rate.

    In plain wordsIn children receiving higher-dose rhIGF-I, growth speed remained at the second-year rate during the third year.

    Outcome
    No significant changeThird-year growth velocity
    Study

    n = 6

    Comparator
    Second year growth velocity
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    120 micrograms/kg twice daily · third yearAs given in this study (human).

    Source sentences

    Summary
    Over 2 yr of rhIGF-I treatment, there were no differences in GV or in changes in height SD score, height age (HA), or BA between the two groups; a subgroup of six subjects at the higher dose followed for a third year continued at the second year GV.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  10. 10HumanNon-randomized trialEfficacy outcome

    Growth velocity was lower in rhIGF-I-treated GHRD than in GH-treated GHD during the reported years.

    In plain wordsChildren with GHRD receiving rhIGF-I grew more slowly than children with GHD receiving GH.

    Outcome
    DecreaseGrowth velocity versus GH treatment
    Study

    n: not reported in source

    Comparator
    GH-treated idiopathic GH deficiency
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    GV in yr 1 and 2 for the entire group and in yr 3 for a subgroup were greater for GH-treated GHD (n = 11).
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  11. 11HumanNon-randomized trialEfficacy outcome

    Height SD score change was smaller in rhIGF-I-treated GHRD than in GH-treated GHD.

    In plain wordsHeight scores changed less in children with GHRD receiving rhIGF-I than in children with GHD receiving GH.

    Outcome
    DecreaseHeight SD score versus GH treatment
    Study

    n: not reported in source

    Comparator
    GH-treated idiopathic GH deficiency
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    The GHD group showed a greater change in SD score for height and HA, but did not differ from the rhIGF-I-treated GHRD group in the change in BA (delta BA) or delta HA/delta BA over 2 yr.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  12. 12HumanNon-randomized trialEfficacy outcome

    Height age change was smaller in rhIGF-I-treated GHRD than in GH-treated GHD.

    In plain wordsHeight age changed less in children with GHRD receiving rhIGF-I than in children with GHD receiving GH.

    Outcome
    DecreaseHeight age versus GH treatment
    Study

    n: not reported in source

    Comparator
    GH-treated idiopathic GH deficiency
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    The GHD group showed a greater change in SD score for height and HA, but did not differ from the rhIGF-I-treated GHRD group in the change in BA (delta BA) or delta HA/delta BA over 2 yr.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  13. 13HumanNon-randomized trialEfficacy outcome

    Bone age change did not differ between rhIGF-I-treated GHRD and GH-treated GHD.

    In plain wordsBone age changed similarly in children with GHRD receiving rhIGF-I and children with GHD receiving GH.

    Outcome
    No significant changeBone age versus GH treatment
    Study

    n: not reported in source

    Comparator
    GH-treated idiopathic GH deficiency
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    The GHD group showed a greater change in SD score for height and HA, but did not differ from the rhIGF-I-treated GHRD group in the change in BA (delta BA) or delta HA/delta BA over 2 yr.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  14. 14HumanNon-randomized trialEfficacy outcome

    The height age to bone age change ratio did not differ between rhIGF-I-treated GHRD and GH-treated GHD.

    In plain wordsHeight age relative to bone age changed similarly with rhIGF-I in GHRD and GH in GHD.

    Outcome
    No significant changeHeight age to bone age change ratio
    Study

    n: not reported in source

    Comparator
    GH-treated idiopathic GH deficiency
    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    The GHD group showed a greater change in SD score for height and HA, but did not differ from the rhIGF-I-treated GHRD group in the change in BA (delta BA) or delta HA/delta BA over 2 yr.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…
  15. 15HumanNon-randomized trialEfficacy outcome

    Percent mean body weight for height changed more in rhIGF-I-treated GHRD than in GH-treated GHD.

    In plain wordsWeight relative to height changed more with rhIGF-I in GHRD than with GH in GHD.

    Outcome
    IncreasePercent mean body weight for height versus GH
    Study

    n: not reported in source

    Comparator
    GH-treated idiopathic GH deficiency
    Outcome group
    Body weight · Metabolic and weight
    Studied dose
    Dose not stated · 2 yrAs given in this study (human).

    Source sentences

    Summary
    There was a greater change in percent MBWH in GHRD.
    1 context sentence
    Summary · context
    This report extends observations of rhIGF-I efficacy at two dosage levels [120 micrograms/kg BW twice daily (n = 15) and 80 micrograms/kg twice daily (n = 7)] over 2 yr, compares biochemical responses [serum IGF-I and IGF-binding protein-3 (IGFBP-3)] and their relationship to growth effects, and com…

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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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