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Study · Non-randomized trial · 2004

9 results

Accelerated versus slowly progressive forms of puberty in girls with precocious and early puberty. Gonadotropin suppressive effect and final height obtained with two different analogs.

Lanes R, Soros A, Jakubowicz S

Journal of pediatric endocrinology & metabolism : JPEM1 May 2004Cited by 24 (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 study9

4 results from studies that gave the peptide. 4 results from people.

  1. 01HumanNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, triptorelin suppressed LH slightly more than leuprolide acetate.

    In plain wordsIn girls with early puberty, triptorelin suppressed LH slightly more than leuprolide acetate.

    Outcome
    DecreaseLH suppression
    Study

    n: not reported in source

    Comparator
    Leuprolide acetate
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Adequate gonadotropin suppression (peak level of LH and FSH of <2 IU/l after i.v. GnRH stimulation) was noted with both leuprolide acetate and triptorelin, although LH suppression was slightly more pronounced with triptorelin.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)
  2. 02HumanNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, triptorelin adequately suppressed FSH after GnRH stimulation.

    In plain wordsIn girls with early puberty, triptorelin adequately suppressed FSH after GnRH stimulation.

    Outcome
    DecreaseFSH suppression
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated

    Measurements

    Peak FSH after GnRH stimulation
    < 2 IU/l
    triptorelin, adequate suppression

    Source sentences

    Summary
    Adequate gonadotropin suppression (peak level of LH and FSH of <2 IU/l after i.v. GnRH stimulation) was noted with both leuprolide acetate and triptorelin, although LH suppression was slightly more pronounced with triptorelin.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)
  3. 03HumanNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, bone age advanced less with triptorelin than with leuprolide acetate.

    In plain wordsIn girls with early puberty, bone age advanced less with triptorelin than with leuprolide acetate.

    Outcome
    DecreaseBone age advancement
    Study

    n: not reported in source

    Comparator
    Leuprolide acetate
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated

    Measurements

    Bone age advancement
    1.5 years
    triptorelin (SD 0.3)
    Bone age advancement
    1.8 years
    leuprolide acetate (SD 0.4)

    Source sentences

    Summary
    BA advanced 1.8 +/- 0.4 years during leuprolide acetate treatment and 1.5 +/- 0.3 years with triptorelin, so that FH increased a mean of 5.5 +/- 1.3 cm with leuprolide acetate and 8.7 +/- 2.2 cm with triptorelin.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)
  4. 04HumanNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, height gain was greater with triptorelin than with leuprolide acetate.

    In plain wordsIn girls with early puberty, height gain was greater with triptorelin than with leuprolide acetate.

    Outcome
    IncreaseHeight gain
    Study

    n: not reported in source

    Comparator
    Leuprolide acetate
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated

    Measurements

    Final height increase
    8.7 cm
    triptorelin (SD 2.2)
    Final height increase
    5.5 cm
    leuprolide acetate (SD 1.3)

    Source sentences

    Summary
    BA advanced 1.8 +/- 0.4 years during leuprolide acetate treatment and 1.5 +/- 0.3 years with triptorelin, so that FH increased a mean of 5.5 +/- 1.3 cm with leuprolide acetate and 8.7 +/- 2.2 cm with triptorelin.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)

Studies that did not test the peptide alone5

In this study, Triptorelin (Trelstar, Decapeptyl) 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 Triptorelin (Trelstar, Decapeptyl).

  1. 05HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, pooled GnRH analog therapy suppressed gonadotropins while levels increased without treatment.

    In plain wordsIn girls with early puberty, pooled GnRH analog therapy suppressed gonadotropins while levels increased without treatment.

    Outcome
    DecreaseGonadotropin suppression with pooled analogs
    Study

    n = 37

    Comparator
    Untreated girls
    Outcome group
    Sex hormones and fertility · Endocrine and hormones

    Source sentences

    Summary
    GnRHa therapy suppressed gonadotropins in group A, while gonadotropins increased gradually in group B.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)

    In this study, Triptorelin (Trelstar, Decapeptyl) 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 Triptorelin (Trelstar, Decapeptyl).

  2. 06HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, pooled GnRH analog therapy decreased height velocity while it remained accelerated without treatment.

    In plain wordsIn girls with early puberty, pooled GnRH analog therapy decreased growth speed while it remained accelerated without treatment.

    Outcome
    DecreaseHeight velocity with pooled analogs
    Study

    n = 37

    Comparator
    Untreated girls
    Outcome group
    Sex hormones and fertility · Endocrine and hormones

    Source sentences

    Summary
    Height velocity (HV) decreased in group A, while it remained accelerated in group B; BA increased a mean of 1.7 +/- 0.5 years in group A and 3.2 +/- 0.3 years in group B.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)

    In this study, Triptorelin (Trelstar, Decapeptyl) 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 Triptorelin (Trelstar, Decapeptyl).

  3. 07HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, bone age advanced less with pooled GnRH analog therapy than without treatment.

    In plain wordsIn girls with early puberty, bone age advanced less with pooled GnRH analog therapy than without treatment.

    Outcome
    DecreaseBone age advancement with pooled analogs
    Study

    n = 37

    Comparator
    Untreated girls
    Outcome group
    Sex hormones and fertility · Endocrine and hormones

    Measurements

    Bone age advancement
    1.7 years
    GnRH analog group A (SD 0.5)
    Bone age advancement
    3.2 years
    untreated group B (SD 0.3)

    Source sentences

    Summary
    Height velocity (HV) decreased in group A, while it remained accelerated in group B; BA increased a mean of 1.7 +/- 0.5 years in group A and 3.2 +/- 0.3 years in group B.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)

    In this study, Triptorelin (Trelstar, Decapeptyl) 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 Triptorelin (Trelstar, Decapeptyl).

  4. 08HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, final height after pooled GnRH analog therapy exceeded baseline predicted adult height.

    In plain wordsIn girls with early puberty, final height after pooled GnRH analog therapy exceeded the initial predicted height.

    Outcome
    IncreaseFinal height versus baseline prediction with pooled analogs
    Study

    n = 16

    Comparator
    Baseline predicted adult height
    Outcome group
    Sex hormones and fertility · Endocrine and hormones

    Measurements

    Predicted adult height at baseline
    153.7 cm
    GnRH analog group A (SD 1.2)
    Final height
    160.9 cm
    GnRH analog group A (SD 4.0)

    Source sentences

    Summary
    This resulted in a height increase in group A from a baseline PAH of 153.7 +/- 1.2 cm to a final height (FH) of 160.9 +/- 4.0 cm (p <0.001), clearly above their target height (TH) of 157.7 +/- 4.2 cm.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)

    In this study, Triptorelin (Trelstar, Decapeptyl) 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 Triptorelin (Trelstar, Decapeptyl).

  5. 09HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In girls with precocious or early puberty, final height after pooled GnRH analog therapy exceeded target height.

    In plain wordsIn girls with early puberty, final height after pooled GnRH analog therapy exceeded target height.

    Outcome
    IncreaseFinal height versus target height with pooled analogs
    Study

    n = 16

    Comparator
    Target height
    Outcome group
    Sex hormones and fertility · Endocrine and hormones

    Measurements

    Final height
    160.9 cm
    GnRH analog group A (SD 4.0)
    Target height
    157.7 cm
    group A (SD 4.2)

    Source sentences

    Summary
    This resulted in a height increase in group A from a baseline PAH of 153.7 +/- 1.2 cm to a final height (FH) of 160.9 +/- 4.0 cm (p <0.001), clearly above their target height (TH) of 157.7 +/- 4.2 cm.
    1 context sentence
    Summary · context
    Sixteen females with PP or EP with a mean chronological age (CA) of 8.8 +/- 1.4 years and a mean bone age (BA) of 10.8 +/- 1.3 years were treated for a mean of 2.7 +/- 1.0 years with a GnRH analog (triptorelin or leuprolide acetate; group A)

    In this study, Triptorelin (Trelstar, Decapeptyl) 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 Triptorelin (Trelstar, Decapeptyl).

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 3Current

    27 Oct 2026, 16:37 UTC

    Study data updated · source update from Europe PMC

  2. Version 2

    22 Oct 2026, 02:26 UTC

    Study results updated

  3. Version 1

    21 Oct 2026, 18:59 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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