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Study · Randomized controlled trial · n = 100 · 2009

4 results

GnRH agonist versus recombinant HCG in an oocyte donation programme: a randomized, prospective, controlled, assessor-blind study.

Melo M, Busso CE, Bellver J, Alama P, Garrido N, Meseguer M, Pellicer A, Remohí J

Reproductive biomedicine online1 Oct 2009Cited by 86 (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 study4

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

  1. 01HumanRandomized controlled trialSafety outcome

    In oocyte donors, OHSS was less frequent with triptorelin than recombinant HCG.

    In plain wordsIn oocyte donors, ovarian hyperstimulation syndrome was less frequent with triptorelin than recombinant HCG.

    Outcome
    DecreaseOvarian hyperstimulation syndrome
    Study

    n = 100

    Comparator
    Recombinant HCG
    Analysis
    Primary
    Outcome group
    Adverse events · Reproductive and sexual health
    Studied dose
    0.2 mg single bolusAs given in this study (human).

    Measurements

    P value
    0.003 none
    OHSS rate, triptorelin vs recombinant HCG

    Source sentences

    Summary
    The OHSS rate was higher in donors that received recombinant HCG ( P = 0.003).
    2 context sentences
    Summary · context
    The cycle characteristics of 100 oocyte donors undergoing ovarian stimulation and IVF outcomes of their 100 oocyte recipients were analysed.
    Summary · context
    Donors were prospectively randomized into two groups on the last day of ovarian stimulation: Group I received a single bolus of 0.2 mg of triptorelin and Group II received 250 microg of recombinant HCG.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In oocyte donors, triptorelin and recombinant HCG did not differ in the number of oocytes retrieved.

    In plain wordsIn oocyte donors, triptorelin and recombinant HCG produced similar numbers of retrieved oocytes.

    Outcome
    No significant changeOocytes retrieved
    Study

    n = 100

    Comparator
    Recombinant HCG
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mg single bolusAs given in this study (human).

    Source sentences

    Summary
    No differences were observed in the number of oocytes retrieved or in the proportion of metaphase II oocytes between the groups.
    2 context sentences
    Summary · context
    The cycle characteristics of 100 oocyte donors undergoing ovarian stimulation and IVF outcomes of their 100 oocyte recipients were analysed.
    Summary · context
    Donors were prospectively randomized into two groups on the last day of ovarian stimulation: Group I received a single bolus of 0.2 mg of triptorelin and Group II received 250 microg of recombinant HCG.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In oocyte donors, triptorelin and recombinant HCG did not differ in the proportion of metaphase II oocytes.

    In plain wordsIn oocyte donors, triptorelin and recombinant HCG produced similar proportions of mature oocytes.

    Outcome
    No significant changeMetaphase II oocyte proportion
    Study

    n = 100

    Comparator
    Recombinant HCG
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mg single bolusAs given in this study (human).

    Source sentences

    Summary
    No differences were observed in the number of oocytes retrieved or in the proportion of metaphase II oocytes between the groups.
    2 context sentences
    Summary · context
    The cycle characteristics of 100 oocyte donors undergoing ovarian stimulation and IVF outcomes of their 100 oocyte recipients were analysed.
    Summary · context
    Donors were prospectively randomized into two groups on the last day of ovarian stimulation: Group I received a single bolus of 0.2 mg of triptorelin and Group II received 250 microg of recombinant HCG.
  4. 04HumanRandomized controlled trialEfficacy outcome

    In the oocyte donation programme, IVF parameters and outcome did not differ significantly between triptorelin and recombinant HCG groups.

    In plain wordsIn the donation programme, IVF results did not differ significantly between triptorelin and recombinant HCG groups.

    Outcome
    No significant changeIVF parameters and outcome
    Study

    n = 100

    Comparator
    Recombinant HCG
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mg single bolusAs given in this study (human).

    Source sentences

    Summary
    Moreover, there was no significant difference between IVF parameters and outcome in the two groups.
    2 context sentences
    Summary · context
    The cycle characteristics of 100 oocyte donors undergoing ovarian stimulation and IVF outcomes of their 100 oocyte recipients were analysed.
    Summary · context
    Donors were prospectively randomized into two groups on the last day of ovarian stimulation: Group I received a single bolus of 0.2 mg of triptorelin and Group II received 250 microg of recombinant HCG.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Registered trials1

Trials this study reports on, or that list this study as a reference. Registry data from ClinicalTrials.gov.

1 trial · source ClinicalTrials.gov (opens in a new tab)

Status unknownPhase 4NCT02715336

Efficacy and Safety of Medication Used to Stimulate Ovulation

Create Fertility Centern = 666Oct 2015 to est. Sept 2021

IVF Cycle · Ovarian Stimulation · Egg Retrieval · Pregnancy · Miscarriages · Ovarian Hyperstimulation

Trial pageClinicalTrials.govUpdated 20 Jul 2020

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

    22 Oct 2026, 02:26 UTC

    Study results updated

  2. 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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