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Study · Randomized controlled trial · n = 41 · 1992

8 results

Efficacy of a low-dose leuprolide acetate depot in the treatment of uterine leiomyomata in Japanese women.

Watanabe Y, Nakamura G, Matsuguchi H, Nozaki M, Sano M, Nakano H

Fertility and sterility1 Jul 1992Cited 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 study8

8 results from studies that gave the peptide. 8 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In Japanese women with leiomyomata, uterine volume reduction did not differ significantly between leuprolide doses at each treatment week.

    In plain wordsIn Japanese women with fibroids, uterine volume reduction did not differ significantly between leuprolide doses.

    Peptide
    Leuprolide
    Outcome
    No significant changeUterine volume reduction
    Study

    n = 41

    Comparator
    Leuprolide 3.75 mg every 4 weeks
    Outcome group
    Uterine volume · Reproductive and sexual health
    Studied dose
    1.88 mg every 4 weeks · subcutaneous · 24 weeksAs given in this study (human).

    Source sentences

    Summary
    No significant difference was observed between the groups in percent uterine volume reduction at each treatment week.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In Japanese women with leiomyomata, estradiol, luteinizing hormone and follicle-stimulating hormone suppression was equal between leuprolide dose groups.

    In plain wordsIn Japanese women with fibroids, hormone suppression was equal between leuprolide dose groups.

    Peptide
    Leuprolide
    Outcome
    No significant changeHormone suppression
    Study

    n = 41

    Comparator
    Leuprolide 3.75 mg every 4 weeks
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    1.88 mg every 4 weeks · subcutaneous · 24 weeksAs given in this study (human).

    Source sentences

    Summary
    Both groups showed significant and equal suppression of serum levels of E2, LH, and FSH.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.
  3. 03HumanRandomized controlled trialSafety outcome

    In Japanese women with leiomyomata, adverse symptom incidence did not differ significantly between leuprolide dose groups.

    In plain wordsIn Japanese women with fibroids, adverse symptom incidence did not differ significantly between leuprolide doses.

    Peptide
    Leuprolide
    Outcome
    No significant changeAdverse symptoms
    Study

    n = 41

    Comparator
    Leuprolide 3.75 mg every 4 weeks
    Outcome group
    Adverse events · Reproductive and sexual health
    Studied dose
    1.88 mg every 4 weeks · subcutaneous · 24 weeksAs given in this study (human).

    Source sentences

    Summary
    In addition, the incidence of adverse symptoms was not significantly different between the two groups.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.
  4. 04HumanNon-randomized trialEfficacy outcome

    In Japanese women with leiomyomata, both leuprolide dose groups showed significant suppression of estradiol, luteinizing hormone and follicle-stimulating hormone.

    In plain wordsIn Japanese women with fibroids, estradiol, luteinizing hormone and follicle-stimulating hormone decreased significantly in both leuprolide dose groups.

    Peptide
    Leuprolide
    Outcome
    DecreaseEstradiol, luteinizing hormone and follicle-stimulating hormone
    Study

    n = 41

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    1.88 mg or 3.75 mg every 4 weeks · subcutaneous · 24 weeksAs given in this study (human).

    Source sentences

    Summary
    Both groups showed significant and equal suppression of serum levels of E2, LH, and FSH.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.
  5. 05HumanNon-randomized trialEfficacy outcome

    In Japanese women with leiomyomata, uterine volume decreased by 52% at week 24 with leuprolide 1.88 mg, with a 41% reduction apparent by 12 weeks.

    In plain wordsIn Japanese women with fibroids, uterine volume decreased with leuprolide 1.88 mg at week 24, with a near-maximal decrease apparent by week 12.

    Peptide
    Leuprolide
    Outcome
    DecreaseUterine volume at week 24 and by week 12
    Study

    n: not reported in source

    Outcome group
    Uterine volume · Reproductive and sexual health
    Studied dose
    1.88 mg every 4 weeks · subcutaneous · 24 weeksAs given in this study (human).

    Measurements

    Uterine volume reduction
    52%
    1.88 mg at week 24
    Uterine volume reduction
    41%
    1.88 mg, near maximal, apparent by 12 weeks

    Source sentences

    Summary
    In both groups, a significant reduction in uterine volume, 52% in 1.88 mg group and 47% in 3.75 mg group, was obtained at week 24, with near maximal reduction (41%, 45%) apparent by 12 weeks.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.
  6. 06HumanNon-randomized trialEfficacy outcome

    In Japanese women with leiomyomata, uterine volume decreased by 47% at week 24 with leuprolide 3.75 mg, with a 45% reduction apparent by 12 weeks.

    In plain wordsIn Japanese women with fibroids, uterine volume decreased with leuprolide 3.75 mg at week 24, with a near-maximal decrease apparent by week 12.

    Peptide
    Leuprolide
    Outcome
    DecreaseUterine volume at week 24 and by week 12
    Study

    n: not reported in source

    Outcome group
    Uterine volume · Reproductive and sexual health
    Studied dose
    3.75 mg every 4 weeks · subcutaneous · 24 weeksAs given in this study (human).

    Measurements

    Uterine volume reduction
    47%
    3.75 mg at week 24
    Uterine volume reduction
    45%
    3.75 mg, near maximal, apparent by 12 weeks

    Source sentences

    Summary
    In both groups, a significant reduction in uterine volume, 52% in 1.88 mg group and 47% in 3.75 mg group, was obtained at week 24, with near maximal reduction (41%, 45%) apparent by 12 weeks.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.
  7. 07HumanNon-randomized trialEfficacy outcome

    In Japanese women with leiomyomata, uterine volume decreased by 41% by week 12 with leuprolide 1.88 mg.

    In plain wordsIn Japanese women with fibroids, uterine volume decreased with leuprolide 1.88 mg by week 12.

    Peptide
    Leuprolide
    Outcome
    DecreaseUterine volume at week 12
    Study

    n: not reported in source

    Outcome group
    Uterine volume · Reproductive and sexual health
    Studied dose
    1.88 mg every 4 weeks · subcutaneous · 12 weeksAs given in this study (human).

    Measurements

    Uterine volume reduction
    41%
    1.88 mg by week 12

    Source sentences

    Summary
    In both groups, a significant reduction in uterine volume, 52% in 1.88 mg group and 47% in 3.75 mg group, was obtained at week 24, with near maximal reduction (41%, 45%) apparent by 12 weeks.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.
  8. 08HumanNon-randomized trialEfficacy outcome

    In Japanese women with leiomyomata, uterine volume decreased by 45% by week 12 with leuprolide 3.75 mg.

    In plain wordsIn Japanese women with fibroids, uterine volume decreased with leuprolide 3.75 mg by week 12.

    Peptide
    Leuprolide
    Outcome
    DecreaseUterine volume at week 12
    Study

    n: not reported in source

    Outcome group
    Uterine volume · Reproductive and sexual health
    Studied dose
    3.75 mg every 4 weeks · subcutaneous · 12 weeksAs given in this study (human).

    Measurements

    Uterine volume reduction
    45%
    3.75 mg by week 12

    Source sentences

    Summary
    In both groups, a significant reduction in uterine volume, 52% in 1.88 mg group and 47% in 3.75 mg group, was obtained at week 24, with near maximal reduction (41%, 45%) apparent by 12 weeks.
    3 context sentences
    Summary · context
    A prospective randomized study.
    Summary · context
    Forty-one premenopausal Japanese women, 25 to 53 years of age, with uterine leiomyomata.
    Summary · context
    Depot type of GnRH-a, leuprolide acetate (LA) 1.88 mg or 3.75 mg was administered subcutaneously every 4 weeks for 24 weeks.

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

    28 Oct 2026, 02:03 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:37 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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