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Study · Randomized controlled trial · n = 240 · 2000

10 results

Dose-finding study of triptorelin acetate for prevention of a premature LH surge in IVF: a prospective, randomized, double-blind, placebo-controlled study.

Janssens RM, Lambalk CB, Vermeiden JP, Schats R, Bernards JM, Rekers-Mombarg LT, Schoemaker J

Human reproduction (Oxford, England)1 Nov 2000Cited by 60 (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. 01HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, no triptorelin-treated patient had a premature LH surge, compared with 23% receiving placebo.

    In plain wordsIn women undergoing IVF, premature LH surges occurred in no triptorelin-treated patients versus 23% receiving placebo.

    Outcome
    DecreasePremature LH surge
    Study

    n = 240

    Comparator
    Placebo
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    15, 50 or 100 microg dailyAs given in this study (human).

    Measurements

    Premature LH surge
    23%
    placebo

    Source sentences

    Summary
    A premature LH surge occurred in 23% of placebo-treated patients, but in none of the triptorelin acetate-treated patients.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, the triptorelin group receiving 50 microg had significantly more oocytes, with the comparator unspecified.

    In plain wordsIn women undergoing IVF, the 50 microg triptorelin group had more oocytes. The abstract does not specify the comparator.

    Outcome
    IncreaseOocyte number at intermediate dose
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    50 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There were significantly more oocytes and embryos in the 50 and 100 microg triptorelin groups.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, the triptorelin group receiving 100 microg had significantly more oocytes, with the comparator unspecified.

    In plain wordsIn women undergoing IVF, the 100 microg triptorelin group had more oocytes. The abstract does not specify the comparator.

    Outcome
    IncreaseOocyte number at high dose
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    100 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There were significantly more oocytes and embryos in the 50 and 100 microg triptorelin groups.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  4. 04HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, the triptorelin group receiving 50 microg had significantly more embryos, with the comparator unspecified.

    In plain wordsIn women undergoing IVF, the 50 microg triptorelin group had more embryos. The abstract does not specify the comparator.

    Outcome
    IncreaseEmbryo number at intermediate dose
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    50 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There were significantly more oocytes and embryos in the 50 and 100 microg triptorelin groups.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  5. 05HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, the 50 and 100 microg daily triptorelin groups had significantly more embryos; the abstract does not name the comparison group.

    In plain wordsIn women having IVF, the groups on 50 and 100 microg of triptorelin daily had more embryos. The abstract does not name the comparison group.

    Outcome
    IncreaseEmbryo number in the 50 and 100 microg groups
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    50 and 100 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There were significantly more oocytes and embryos in the 50 and 100 microg triptorelin groups.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  6. 06HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, implantation rates showed no relationship with triptorelin dose.

    In plain wordsIn women undergoing IVF, implantation rates did not vary with triptorelin dose.

    Outcome
    No significant changeImplantation dose relationship
    Study

    n: not reported in source

    Comparator
    Other triptorelin doses
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    15, 50 or 100 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There was no dose relationship in rates of either implantation, pregnancy, ongoing pregnancy, live birth or baby take-home.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  7. 07HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, pregnancy rates showed no relationship with triptorelin dose.

    In plain wordsIn women undergoing IVF, pregnancy rates did not vary with triptorelin dose.

    Outcome
    No significant changePregnancy dose relationship
    Study

    n: not reported in source

    Comparator
    Other triptorelin doses
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    15, 50 or 100 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There was no dose relationship in rates of either implantation, pregnancy, ongoing pregnancy, live birth or baby take-home.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  8. 08HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, ongoing pregnancy rates showed no relationship with triptorelin dose.

    In plain wordsIn women undergoing IVF, ongoing pregnancy rates did not vary with triptorelin dose.

    Outcome
    No significant changeOngoing pregnancy dose relationship
    Study

    n: not reported in source

    Comparator
    Other triptorelin doses
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    15, 50 or 100 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There was no dose relationship in rates of either implantation, pregnancy, ongoing pregnancy, live birth or baby take-home.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  9. 09HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, live birth rates showed no relationship with triptorelin dose.

    In plain wordsIn women undergoing IVF, live birth rates did not vary with triptorelin dose.

    Outcome
    No significant changeLive birth dose relationship
    Study

    n: not reported in source

    Comparator
    Other triptorelin doses
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    15, 50 or 100 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There was no dose relationship in rates of either implantation, pregnancy, ongoing pregnancy, live birth or baby take-home.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.
  10. 10HumanRandomized controlled trialEfficacy outcome

    In women undergoing IVF, baby take-home rates showed no relationship with triptorelin dose.

    In plain wordsIn women undergoing IVF, rates of taking a baby home did not vary with triptorelin dose.

    Outcome
    No significant changeBaby take-home dose relationship
    Study

    n: not reported in source

    Comparator
    Other triptorelin doses
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    15, 50 or 100 microg dailyAs given in this study (human).

    Source sentences

    Summary
    There was no dose relationship in rates of either implantation, pregnancy, ongoing pregnancy, live birth or baby take-home.
    3 context sentences
    Summary · context
    Thus, we performed a prospective, randomized, double-blind, placebo-controlled study to determine the minimal daily dose of triptorelin acetate needed to suppress a premature LH surge during IVF treatment in a long protocol.
    Summary · context
    A total of 240 women (60 in each group) was randomized to either placebo or to one of three doses of triptorelin, i.e. 15, 50 or 100 microg daily.
    Summary · context
    Ovarian stimulation was performed with two or three ampoules of FSH daily.

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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