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Study · Observational study · n = 293 · 2022

6 results

Clinical efficacy of dual trigger with human chorionic gonadotropin and a gonadotropin-releasing hormone agonist for women undergoing fertility preservation.

Hong YH, Kim SK, Lee JR, Jee BC, Suh CS

Reproductive medicine and biology1 Jan 2022Cited by 10 (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: CC BY-NC. Results still quote short attributed sentences.

Results from this study6

6 results from studies that gave the peptide. 6 results from people.

  1. 01HumanObservational studyEfficacy outcome

    In patients undergoing fertility preservation, adding triptorelin to rhCG was not linked to a different total oocyte count versus rhCG alone.

    In plain wordsIn patients undergoing fertility preservation, total oocyte counts were similar with triptorelin plus rhCG and rhCG alone.

    Outcome
    No significant changeTotal oocyte count
    Study

    n = 293

    Comparator
    rhCG alone
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mgAs given in this study (human).

    Source sentences

    Summary
    There was no significant difference in the baseline characteristics or the number of total and mature oocytes between the two groups.
    2 context sentences
    Summary · context
    A total of 373 cycles in 293 patients undergoing controlled ovarian stimulation (COS) for FP using a gonadotropin-releasing hormone (GnRH) antagonist protocol were enrolled.
    Summary · context
    The control group (n = 225) received 250 µg of recombinant human chorionic gonadotropin (rhCG) while the study group (n = 148) received 250 µg of rhCG and 0.2 mg of triptorelin for triggering.
  2. 02HumanObservational studyEfficacy outcome

    In patients undergoing fertility preservation, adding triptorelin to rhCG was not linked to a different mature oocyte count versus rhCG alone.

    In plain wordsIn patients undergoing fertility preservation, mature oocyte counts were similar with triptorelin plus rhCG and rhCG alone.

    Outcome
    No significant changeMature oocyte count
    Study

    n = 293

    Comparator
    rhCG alone
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mgAs given in this study (human).

    Source sentences

    Summary
    There was no significant difference in the baseline characteristics or the number of total and mature oocytes between the two groups.
    2 context sentences
    Summary · context
    A total of 373 cycles in 293 patients undergoing controlled ovarian stimulation (COS) for FP using a gonadotropin-releasing hormone (GnRH) antagonist protocol were enrolled.
    Summary · context
    The control group (n = 225) received 250 µg of recombinant human chorionic gonadotropin (rhCG) while the study group (n = 148) received 250 µg of rhCG and 0.2 mg of triptorelin for triggering.
  3. 03HumanObservational studyEfficacy outcome

    In fertility preservation cycles with endometrioma, subgroup analysis showed results similar to the overall comparison, with no significant difference in oocyte numbers between triptorelin plus rhCG and rhCG alone.

    In plain wordsIn fertility preservation cycles with endometrioma, oocyte results were similar with triptorelin plus rhCG and rhCG alone.

    Outcome
    No significant changeOocyte numbers (total and mature) in endometrioma subgroup
    Study

    n = 104

    Comparator
    rhCG alone
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mgAs given in this study (human).

    Source sentences

    Summary
    Subgroup analyses for women with endometrioma or DOR showed similar results.
    4 context sentences
    Summary · context
    There was no significant difference in the baseline characteristics or the number of total and mature oocytes between the two groups.
    Summary · context
    Subgroup analyses were performed for stimulation cycles with diminished ovarian reserve (DOR; anti-Müllerian hormone (AMH) levels n = 86), with endometrioma (n = 104), or with breast cancer and endometrial cancer using 5 mg of letrozole during the COS cycles (n = 84).
    Summary · context
    A total of 373 cycles in 293 patients undergoing controlled ovarian stimulation (COS) for FP using a gonadotropin-releasing hormone (GnRH) antagonist protocol were enrolled.
    Summary · context
    The control group (n = 225) received 250 µg of recombinant human chorionic gonadotropin (rhCG) while the study group (n = 148) received 250 µg of rhCG and 0.2 mg of triptorelin for triggering.
  4. 04HumanObservational studyEfficacy outcome

    In fertility preservation cycles with diminished ovarian reserve, subgroup analysis showed results similar to the overall comparison, with no significant difference in oocyte numbers between triptorelin plus rhCG and rhCG alone.

    In plain wordsIn cycles with diminished ovarian reserve, oocyte results were similar with triptorelin plus rhCG and rhCG alone.

    Outcome
    No significant changeOocyte numbers (total and mature) in diminished ovarian reserve subgroup
    Study

    n = 86

    Comparator
    rhCG alone
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mgAs given in this study (human).

    Source sentences

    Summary
    Subgroup analyses for women with endometrioma or DOR showed similar results.
    4 context sentences
    Summary · context
    There was no significant difference in the baseline characteristics or the number of total and mature oocytes between the two groups.
    Summary · context
    Subgroup analyses were performed for stimulation cycles with diminished ovarian reserve (DOR; anti-Müllerian hormone (AMH) levels n = 86), with endometrioma (n = 104), or with breast cancer and endometrial cancer using 5 mg of letrozole during the COS cycles (n = 84).
    Summary · context
    A total of 373 cycles in 293 patients undergoing controlled ovarian stimulation (COS) for FP using a gonadotropin-releasing hormone (GnRH) antagonist protocol were enrolled.
    Summary · context
    The control group (n = 225) received 250 µg of recombinant human chorionic gonadotropin (rhCG) while the study group (n = 148) received 250 µg of rhCG and 0.2 mg of triptorelin for triggering.
  5. 05HumanObservational studyEfficacy outcome

    In cancer patients using letrozole for fertility preservation, triptorelin plus rhCG was linked to more mature oocytes than rhCG alone.

    In plain wordsIn cancer patients using letrozole, triptorelin plus rhCG was linked to more mature oocytes than rhCG alone.

    Outcome
    IncreaseMature oocyte count in cancer patients using letrozole
    Study

    n = 84

    Comparator
    rhCG alone
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mgAs given in this study (human).

    Measurements

    Mature oocytes
    6.9 oocytes
    dual trigger, cancer patients using letrozole
    Mature oocytes
    4.6 oocytes
    rhCG alone, cancer patients using letrozole

    Source sentences

    Summary
    However, the dual trigger group had a significantly higher number of mature oocytes than the rhCG trigger group in breast and endometrial cancer patients using letrozole during the COS cycles (6.9 ± 6.0 vs. 4.6 ± 3.6, p = 0.034).
    3 context sentences
    Summary · context
    Subgroup analyses were performed for stimulation cycles with diminished ovarian reserve (DOR; anti-Müllerian hormone (AMH) levels n = 86), with endometrioma (n = 104), or with breast cancer and endometrial cancer using 5 mg of letrozole during the COS cycles (n = 84).
    Summary · context
    A total of 373 cycles in 293 patients undergoing controlled ovarian stimulation (COS) for FP using a gonadotropin-releasing hormone (GnRH) antagonist protocol were enrolled.
    Summary · context
    The control group (n = 225) received 250 µg of recombinant human chorionic gonadotropin (rhCG) while the study group (n = 148) received 250 µg of rhCG and 0.2 mg of triptorelin for triggering.
  6. 06HumanObservational studyEfficacy outcome

    In women undergoing fertility preservation, the maturation rate was higher with triptorelin plus rhCG than with rhCG alone, but the difference was not statistically significant (59.3 vs 50.0, p = 0.124).

    In plain wordsIn women undergoing fertility preservation, the maturation rate was higher with triptorelin plus rhCG than with rhCG alone, but not significantly.

    Outcome
    No significant changeOocyte maturation rate
    Study

    n: not reported in source

    Comparator
    rhCG alone
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.2 mgAs given in this study (human).

    Measurements

    Maturation rate
    59.3 not stated
    dual trigger
    Maturation rate
    50 not stated
    rhCG alone

    Source sentences

    Summary
    The maturation rate was higher in the dual trigger group, although the difference was not statistically significant (59.3 ± 26.7 vs. 50.0 ± 28.0, p = 0.124).
    2 context sentences
    Summary · context
    However, the dual trigger group had a significantly higher number of mature oocytes than the rhCG trigger group in breast and endometrial cancer patients using letrozole during the COS cycles (6.9 ± 6.0 vs. 4.6 ± 3.6, p = 0.034).
    Summary · context
    The control group (n = 225) received 250 µg of recombinant human chorionic gonadotropin (rhCG) while the study group (n = 148) received 250 µg of rhCG and 0.2 mg of triptorelin for triggering.

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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