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Study · Not a test of the peptide alone · 2011

8 results

GnRH agonist ovulation trigger and hCG-based, progesterone-free luteal support: a proof of concept study.

Kol S, Humaidan P, Itskovitz-Eldor J

Human reproduction (Oxford, England)21 Jul 2011Cited by 35 (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 study8

No result from this study comes from a test of the peptide.

Studies that did not test the peptide alone8

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. 01HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In normal responders with previous IVF failure, the triptorelin-trigger and hCG-support regimen yielded a mean of 6.7 oocytes.

    In plain wordsIn women with previous IVF failure, the triptorelin-trigger and hCG-support regimen yielded a mean of 6.7 eggs.

    Outcome
    Not applicableOocytes retrieved
    Study

    n = 15

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Oocytes
    6.7
    mean

    Source sentences

    Summary
    The mean (± SD) numbers of oocytes and fertilized oocytes were 6.7 (± 2.5) and 3.6 (± 1.7), respectively.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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. 02HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In normal responders with previous IVF failure, the triptorelin-trigger and hCG-support regimen yielded a mean of 3.6 fertilized oocytes.

    In plain wordsIn women with previous IVF failure, the triptorelin-trigger and hCG-support regimen yielded a mean of 3.6 fertilized eggs.

    Outcome
    Not applicableFertilized oocytes
    Study

    n = 15

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Fertilized oocytes
    3.6
    mean

    Source sentences

    Summary
    The mean (± SD) numbers of oocytes and fertilized oocytes were 6.7 (± 2.5) and 3.6 (± 1.7), respectively.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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. 03HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In normal responders with previous IVF failure, all 15 patients had embryo transfers after the triptorelin-trigger and hCG-support regimen.

    In plain wordsIn women with previous IVF failure, all 15 patients had embryo transfers after the triptorelin-trigger and hCG-support regimen.

    Outcome
    Not applicableEmbryo transfer
    Study

    n = 15

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Embryo transfers
    15 patients
    regimen

    Source sentences

    Summary
    All 15 patients had embryo transfers and 11 patients conceived.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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. 04HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In normal responders with previous IVF failure, 11 patients conceived after the triptorelin-trigger and hCG-support regimen.

    In plain wordsIn women with previous IVF failure, 11 patients conceived after the triptorelin-trigger and hCG-support regimen.

    Outcome
    Not applicableConception
    Study

    n = 15

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Conceived
    11 patients
    regimen

    Source sentences

    Summary
    All 15 patients had embryo transfers and 11 patients conceived.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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. 05HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialActivity measurement

    In normal responders given the triptorelin-trigger and hCG-support regimen, mean serum estradiol was 6607 nmol/l at pregnancy testing.

    In plain wordsIn women given the triptorelin-trigger and hCG-support regimen, mean blood estradiol was 6607 nmol/l at pregnancy testing.

    Outcome
    Not applicableSerum estradiol at pregnancy test
    Study

    n = 15

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Estradiol
    6607 nmol/l
    pregnancy test

    Source sentences

    Summary
    On the day of pregnancy test (14 days after retrieval), the mean serum E(2) and progesterone levels were 6607 (± 3789) and 182 (± 50) nmol/l, respectively.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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).

  6. 06HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialActivity measurement

    In normal responders given the triptorelin-trigger and hCG-support regimen, mean serum progesterone was 182 nmol/l at pregnancy testing.

    In plain wordsIn women given the triptorelin-trigger and hCG-support regimen, mean blood progesterone was 182 nmol/l at pregnancy testing.

    Outcome
    Not applicableSerum progesterone at pregnancy test
    Study

    n = 15

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Progesterone
    182 nmol/l
    pregnancy test

    Source sentences

    Summary
    On the day of pregnancy test (14 days after retrieval), the mean serum E(2) and progesterone levels were 6607 (± 3789) and 182 (± 50) nmol/l, respectively.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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).

  7. 07HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialEfficacy outcome

    In normal responders given the triptorelin-trigger and hCG-support regimen, seven pregnancies were ongoing.

    In plain wordsIn women given the triptorelin-trigger and hCG-support regimen, seven pregnancies were ongoing.

    Outcome
    Not applicableOngoing pregnancies
    Study

    n = 11

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Ongoing pregnancies
    7 pregnancies
    regimen

    Source sentences

    Summary
    Of the pregnancies, seven are ongoing, while four ended as miscarriages.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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).

  8. 08HumanNot a test of Triptorelin (Trelstar, Decapeptyl) aloneNon-randomized trialSafety outcome

    In normal responders given the triptorelin-trigger and hCG-support regimen, four pregnancies ended as miscarriages.

    In plain wordsIn women given the triptorelin-trigger and hCG-support regimen, four pregnancies ended as miscarriages.

    Outcome
    Not applicableMiscarriage
    Study

    n = 11

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Miscarriages
    4 pregnancies
    regimen

    Source sentences

    Summary
    Of the pregnancies, seven are ongoing, while four ended as miscarriages.
    4 context sentences
    Summary · context
    METHODS Normal responder patients who failed at least one previous IVF attempt, during which a conventional hCG trigger was used, were consecutively enrolled in the study.
    Summary · context
    A GnRH antagonist-based ovarian stimulation protocol was used in combination with a GnRHa trigger (Triptorelin 0.2 mg).
    Summary · context
    The luteal phase was supported with a total of two boluses of 1500 IU hCG: on the day of oocyte retrieval and 4 days later.
    Summary · context
    Neither progesterone nor estradiol was administered for luteal support.

    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 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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