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Study · Non-randomized trial · n = 15 · 1997

10 results

Treatment effects of intranasal growth hormone releasing peptide-2 in children with short stature.

Pihoker C, Badger TM, Reynolds GA, Bowers CY

The Journal of endocrinology1 Oct 1997Cited by 39 (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 study10

10 results from studies that gave the peptide. 10 results from people.

  1. 01HumanNon-randomized trialEfficacy outcome

    In children with short stature, intranasal GHRP‑2 increased height velocity from 3.7 to 6.1 cm/year at 6 months.

    In plain wordsIn children with short stature, intranasal GHRP‑2 was linked to faster growth in height over 6 months, without a control group.

    Peptide
    GHRP-2
    Outcome
    IncreaseHeight velocity at 6 months
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 6 monthsAs given in this study (human).

    Measurements

    Height velocity
    3.7 cm/year
    baseline
    Height velocity
    6.1 cm/year
    6 months

    Source sentences

    Summary
    Height velocity increased from 3.7 +/- 0.2 cm/year to 6.1 +/- 0.3 cm/year at 6 months
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  2. 02HumanNon-randomized trialEfficacy outcome

    In children with short stature, intranasal GHRP‑2 produced no significant change in IGF-1 concentrations.

    In plain wordsIn children with short stature, intranasal GHRP‑2 did not significantly change IGF-1 levels in the blood.

    Peptide
    GHRP-2
    Outcome
    No significant changeSerum IGF-1 concentration
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    There were no significant changes in IGF-1 or IGF-PB3 concentrations, or in acute GH responses to i.v. or intranasal GHRP-2.
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  3. 03HumanNon-randomized trialEfficacy outcome

    In children with short stature, intranasal GHRP‑2 produced no significant change in IGF-binding protein 3 concentrations.

    In plain wordsIn children with short stature, intranasal GHRP‑2 did not significantly change IGF-binding protein 3 levels.

    Peptide
    GHRP-2
    Outcome
    No significant changeSerum IGFBP-3 concentration
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    There were no significant changes in IGF-1 or IGF-PB3 concentrations, or in acute GH responses to i.v. or intranasal GHRP-2.
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  4. 04HumanNon-randomized trialActivity measurement

    In children with short stature, treatment with intranasal GHRP‑2 produced no significant change in the acute GH response to intravenous GHRP‑2.

    In plain wordsIn children with short stature, the growth hormone response to an intravenous GHRP‑2 dose did not significantly change during treatment.

    Peptide
    GHRP-2
    Outcome
    No significant changeAcute GH response to intravenous GHRP-2 during treatment
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    There were no significant changes in IGF-1 or IGF-PB3 concentrations, or in acute GH responses to i.v. or intranasal GHRP-2.
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  5. 05HumanNon-randomized trialActivity measurement

    In children with short stature, treatment with intranasal GHRP‑2 produced no significant change in the acute GH response to intranasal GHRP‑2.

    In plain wordsIn children with short stature, the growth hormone response to an intranasal GHRP‑2 dose did not significantly change during treatment.

    Peptide
    GHRP-2
    Outcome
    No significant changeAcute GH response to intranasal GHRP-2 during treatment
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    There were no significant changes in IGF-1 or IGF-PB3 concentrations, or in acute GH responses to i.v. or intranasal GHRP-2.
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  6. 06HumanNon-randomized trialEfficacy outcome

    In children with short stature, intranasal GHRP‑2 raised GH-binding protein concentrations from 439 to 688 pmol/l.

    In plain wordsIn children with short stature, intranasal GHRP‑2 was linked to higher levels of growth hormone binding protein in the blood.

    Peptide
    GHRP-2
    Outcome
    IncreaseGH-binding protein concentration
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 6 monthsAs given in this study (human).

    Measurements

    GHBP
    439 pmol/l
    baseline
    GHBP
    688 pmol/l
    after treatment

    Source sentences

    Summary
    GHBP concentrations rose significantly, from 439 +/- 63 pmol/l to 688 +/- 48 pmol/l.
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  7. 07HumanNon-randomized trialActivity measurement

    In children with short stature, every child had a GH response above 10 micrograms/l to intranasal GHRP‑2 at 5-20 micrograms/kg.

    In plain wordsIn children with short stature, every child released growth hormone after a single intranasal GHRP‑2 dose.

    Peptide
    GHRP-2
    Outcome
    IncreaseAcute GH response to a single intranasal GHRP-2 dose
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-20 micrograms/kg · intranasalAs given in this study (human).

    Measurements

    GH response
    > 10 micrograms/l
    intranasal GHRP-2

    Source sentences

    Summary
    Each child in this study also demonstrated a GH response > 10 micrograms/l in response to intranasal GHRP-2, in the dose range of 5-20 micrograms/kg.
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  8. 08HumanNon-randomized trialActivity measurement

    In children with short stature, all children had a GH response above 20 micrograms/l to an acute intravenous bolus of GHRP‑2 at 1 microgram/kg.

    In plain wordsIn children with short stature, every child released growth hormone after a single intravenous GHRP‑2 dose.

    Peptide
    GHRP-2
    Outcome
    IncreaseAcute GH response to intravenous GHRP-2 bolus
    Study

    n = 15

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    1 microgram/kg · intravenousAs given in this study (human).

    Measurements

    GH response
    > 20 micrograms/l
    i.v. bolus

    Source sentences

    Summary
    The children received testing with GHRH and GHRP-2 as an acute i.v. bolus of 1 microgram/kg; all children in this study demonstrated a GH response > 20 micrograms/l.
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  9. 09HumanNon-randomized trialSafety outcome

    In children with short stature, intranasal GHRP‑2 administration was well tolerated.

    In plain wordsIn children with short stature, intranasal GHRP‑2 was well tolerated, according to the study authors.

    Peptide
    GHRP-2
    Outcome
    No significant changeTolerability
    Study

    n = 15

    Outcome group
    Adverse events · Whole body
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    In this study, intranasal GHRP-2 administration was well tolerated
    2 context sentences
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.
  10. 10HumanNon-randomized trialEfficacy outcome

    In children with short stature, height velocity rose from 3.7 to 6.0 cm/year at 18-24 months of intranasal GHRP‑2.

    In plain wordsIn six children with short stature, growth in height stayed faster after 18 to 24 months of intranasal GHRP‑2, without a control group.

    Peptide
    GHRP-2
    Outcome
    IncreaseHeight velocity at 18-24 months
    Study

    n = 6

    Outcome group
    Growth hormone and IGF-1 · Endocrine and hormones
    Studied dose
    5-15 micrograms/kg twice a day for 3 months, then three times a day · intranasal · 18-24 monthsAs given in this study (human).

    Measurements

    Height velocity
    3.7 cm/year
    baseline
    Height velocity
    6 cm/year
    18-24 months

    Source sentences

    Summary
    Height velocity increased from 3.7 +/- 0.2 cm/year to 6.1 +/- 0.3 cm/year at 6 months, 6.0 +/- 0.4 cm/year at 18-24 months.
    3 context sentences
    Summary · context
    Fifteen children participated in the study for 6 months; six of the children have participated for 18-24 months.
    Summary · context
    Fifteen children with short stature participated in this study.
    Summary · context
    The children were administered intranasal GHRP-2, 5-15 micrograms/kg, twice a day for 3 months, then three times a day.

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

    13 Oct 2026, 21:44 UTC

    Study results updated

  2. Version 1

    13 Oct 2026, 16:31 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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