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Study · Randomized controlled trial · n = 32 · 2006

11 results

Levels of apoptosis in human granulosa cells seem to be comparable after therapy with a gonadotropin-releasing hormone agonist or antagonist.

Giampietro F, Sancilio S, Tiboni GM, Rana RA, Di Pietro R

Fertility and sterility1 Feb 2006Cited by 30 (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 study11

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

  1. 01HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, triptorelin and cetrorelix regimens produced comparable granulosa cell apoptosis by Annexin V and TUNEL assays.

    In plain wordsIn women undergoing assisted reproduction, triptorelin and cetrorelix regimens produced similar granulosa cell apoptosis.

    Outcome
    No significant changeGranulosa cell apoptosis
    Study

    n = 32

    Comparator
    Cetrorelix with recombinant FSH
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Annexin V binding and TUNEL assays revealed comparable percentages of apoptosis in the two groups under investigation.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, granulosa cell cycle distribution was similar with triptorelin and cetrorelix regimens.

    In plain wordsIn women undergoing assisted reproduction, triptorelin and cetrorelix regimens produced similar granulosa cell cycle distributions.

    Outcome
    No significant changeGranulosa cell cycle distribution
    Study

    n = 32

    Comparator
    Cetrorelix with recombinant FSH
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Analysis of DNA histograms revealed a similar cell cycle distribution in the two groups.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, follicular fluid E2 was higher with the triptorelin regimen than with the cetrorelix regimen.

    In plain wordsIn women undergoing assisted reproduction, follicular fluid E2 was higher with triptorelin than with cetrorelix.

    Outcome
    IncreaseFollicular fluid estradiol
    Study

    n = 32

    Comparator
    Cetrorelix with recombinant FSH
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The mean concentrations of all the follicular fluid steroid hormones evaluated (E2, T, and P) were significantly lower in the GnRH antagonist-treated group.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  4. 04HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, follicular fluid T was higher with the triptorelin regimen than with the cetrorelix regimen.

    In plain wordsIn women undergoing assisted reproduction, follicular fluid T was higher with triptorelin than with cetrorelix.

    Outcome
    IncreaseFollicular fluid testosterone
    Study

    n = 32

    Comparator
    Cetrorelix with recombinant FSH
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The mean concentrations of all the follicular fluid steroid hormones evaluated (E2, T, and P) were significantly lower in the GnRH antagonist-treated group.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  5. 05HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, follicular fluid P was higher with the triptorelin regimen than with the cetrorelix regimen.

    In plain wordsIn women undergoing assisted reproduction, follicular fluid P was higher with triptorelin than with cetrorelix.

    Outcome
    IncreaseFollicular fluid progesterone
    Study

    n = 32

    Comparator
    Cetrorelix with recombinant FSH
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The mean concentrations of all the follicular fluid steroid hormones evaluated (E2, T, and P) were significantly lower in the GnRH antagonist-treated group.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  6. 06HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, cetrorelix and triptorelin groups had comparable granulosa-cell apoptosis percentages by Annexin V binding.

    In plain wordsIn women undergoing assisted reproduction, cetrorelix and triptorelin groups had similar cell death percentages by Annexin V binding.

    Peptide
    Cetrorelix
    Outcome
    Direction not reportedApoptosis by Annexin V binding
    Study

    n = 32

    Comparator
    Triptorelin
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Annexin V binding and TUNEL assays revealed comparable percentages of apoptosis in the two groups under investigation.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  7. 07HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, cetrorelix and triptorelin groups had comparable granulosa-cell apoptosis percentages by TUNEL assay.

    In plain wordsIn women undergoing assisted reproduction, cetrorelix and triptorelin groups had similar cell death percentages by TUNEL assay.

    Peptide
    Cetrorelix
    Outcome
    Direction not reportedApoptosis by TUNEL assay
    Study

    n = 32

    Comparator
    Triptorelin
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Annexin V binding and TUNEL assays revealed comparable percentages of apoptosis in the two groups under investigation.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  8. 08HumanRandomized controlled trialMechanism

    In women undergoing assisted reproduction, cetrorelix and triptorelin groups had similar granulosa-cell cycle distributions on DNA histograms.

    In plain wordsIn women undergoing assisted reproduction, cetrorelix and triptorelin groups had similar cell cycle distributions.

    Peptide
    Cetrorelix
    Outcome
    Direction not reportedCell cycle distribution
    Study

    n = 32

    Comparator
    Triptorelin
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Analysis of DNA histograms revealed a similar cell cycle distribution in the two groups.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  9. 09HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, follicular fluid E2 concentrations were significantly lower with cetrorelix than with triptorelin.

    In plain wordsIn women undergoing assisted reproduction, follicular fluid E2 levels were significantly lower with cetrorelix than with triptorelin.

    Peptide
    Cetrorelix
    Outcome
    DecreaseFollicular fluid E2 concentration
    Study

    n = 32

    Comparator
    Triptorelin
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The mean concentrations of all the follicular fluid steroid hormones evaluated (E2, T, and P) were significantly lower in the GnRH antagonist-treated group.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  10. 10HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, follicular fluid T concentrations were significantly lower with cetrorelix than with triptorelin.

    In plain wordsIn women undergoing assisted reproduction, follicular fluid T levels were significantly lower with cetrorelix than with triptorelin.

    Peptide
    Cetrorelix
    Outcome
    DecreaseFollicular fluid T concentration
    Study

    n = 32

    Comparator
    Triptorelin
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The mean concentrations of all the follicular fluid steroid hormones evaluated (E2, T, and P) were significantly lower in the GnRH antagonist-treated group.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.
  11. 11HumanRandomized controlled trialEfficacy outcome

    In women undergoing assisted reproduction, follicular fluid P concentrations were significantly lower with cetrorelix than with triptorelin.

    In plain wordsIn women undergoing assisted reproduction, follicular fluid P levels were significantly lower with cetrorelix than with triptorelin.

    Peptide
    Cetrorelix
    Outcome
    DecreaseFollicular fluid P concentration
    Study

    n = 32

    Comparator
    Triptorelin
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The mean concentrations of all the follicular fluid steroid hormones evaluated (E2, T, and P) were significantly lower in the GnRH antagonist-treated group.
    3 context sentences
    Summary · context
    To compare levels of apoptosis in granulosa cells from women treated with the gonadotropin-releasing hormone (GnRH) agonist triptorelin or the GnRH antagonist cetrorelix.
    Summary · context
    Randomized, prospective study.
    Summary · context
    Thirty-two women undergoing assisted reproduction techniques after ovulation induction with recombinant follicle-stimulating hormone (FSH) plus GnRH agonist or antagonist.

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, 16:35 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

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