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Study · Randomized controlled trial · n = 128 · 1991

8 results

Treatment of leiomyomata uteri with leuprolide acetate depot: a double-blind, placebo-controlled, multicenter study. The Leuprolide Study Group.

Friedman AJ, Hoffman DI, Comite F, Browneller RW, Miller JD

Obstetrics and gynecology1 May 1991Cited by 112 (Europe PMC)

PMID1901638 (opens in a new tab)PepBankPUB-01901638

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 women with leiomyomata, uterine volume reduction above 25% occurred in 77% with leuprolide versus 9% with placebo.

    In plain wordsIn women with fibroids, substantial uterine shrinkage was more common with leuprolide than placebo.

    Peptide
    Leuprolide
    Outcome
    IncreaseUterine volume reduction above 25%
    Study

    n = 128

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

    Measurements

    Patients with >25% volume reduction
    77%
    leuprolide
    Patients with >25% volume reduction
    9%
    placebo

    Source sentences

    Summary
    Seventy-seven percent of leuprolide-treated patients had a more than 25% reduction in uterine volume, compared with 9% of placebo-treated controls.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.
  2. 02HumanNon-randomized trialEfficacy outcome

    In women with leiomyomata and menorrhagia, 37 of 38 patients (97%) had symptom resolution at the final visit with leuprolide.

    In plain wordsIn women with fibroids and heavy menstrual bleeding, 37 of 38 had bleeding resolution at the final visit with leuprolide.

    Peptide
    Leuprolide
    Outcome
    DecreaseMenorrhagia resolution
    Study

    n = 38

    Outcome group
    Menstrual bleeding · Reproductive and sexual health
    Studied dose
    3.75 mg every 4 weeks · intramuscularAs given in this study (human).

    Measurements

    Menorrhagia resolution
    37 patients
    38 presenting with menorrhagia
    Menorrhagia resolution
    97%
    final visit

    Source sentences

    Summary
    Of 38 leuprolide-treated patients presenting with menorrhagia, 37 (97%) had resolution of this symptom at the time of the final visit.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.
  3. 03HumanNon-randomized trialEfficacy outcome

    In women with leiomyomata, mean uterine volume decreased by 36% after 12 weeks of leuprolide.

    In plain wordsIn women with fibroids, mean uterine volume decreased after 12 weeks of leuprolide.

    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 · intramuscular · 12 weeksAs given in this study (human).

    Measurements

    Uterine volume decrease
    36%
    12 weeks

    Source sentences

    Summary
    Mean uterine volume decreased by 36% at 12 weeks and 45% at 24 weeks of leuprolide therapy.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.
  4. 04HumanNon-randomized trialEfficacy outcome

    In women with leiomyomata, mean uterine volume decreased by 45% after 24 weeks of leuprolide.

    In plain wordsIn women with fibroids, mean uterine volume decreased after 24 weeks of leuprolide.

    Peptide
    Leuprolide
    Outcome
    DecreaseUterine volume at week 24
    Study

    n: not reported in source

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

    Measurements

    Uterine volume decrease
    45%
    24 weeks

    Source sentences

    Summary
    Mean uterine volume decreased by 36% at 12 weeks and 45% at 24 weeks of leuprolide therapy.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.
  5. 05HumanNon-randomized trialEfficacy outcome

    In women with leiomyomata, mean uterine volume returned to pretreatment size 24 weeks after leuprolide cessation.

    In plain wordsIn women with fibroids, uterine volume returned to pretreatment size 24 weeks after leuprolide stopped.

    Peptide
    Leuprolide
    Outcome
    No significant changeUterine volume after cessation
    Study

    n: not reported in source

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

    Source sentences

    Summary
    Mean uterine volume returned to pre-treatment size 24 weeks after cessation of leuprolide treatment.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.
  6. 06HumanNon-randomized trialEfficacy outcome

    In women with leiomyomata, most patients had symptom resolution or improvement after 24 weeks of leuprolide.

    In plain wordsIn women with fibroids, most patients had fewer or no fibroid-related symptoms after 24 weeks of leuprolide.

    Peptide
    Leuprolide
    Outcome
    DecreaseFibroid-related symptoms
    Study

    n: not reported in source

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

    Source sentences

    Summary
    The majority of patients had resolution or improvement of their fibroid-related symptoms after 24 weeks of leuprolide treatment.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.
  7. 07HumanNon-randomized trialSafety outcome

    In women with leiomyomata, 95% experienced hypoestrogenism-related side effects with leuprolide.

    In plain wordsIn women with fibroids, most women had side effects related to low estrogen during leuprolide treatment.

    Peptide
    Leuprolide
    Outcome
    Not applicableHypoestrogenism-related side effects
    Study

    n: not reported in source

    Outcome group
    Adverse events · Reproductive and sexual health
    Studied dose
    3.75 mg every 4 weeks · intramuscularAs given in this study (human).

    Measurements

    Side effects
    95%
    hypoestrogenism-related

    Source sentences

    Summary
    Although 95% of women treated with leuprolide acetate experienced some side effects related to hypoestrogenism, only five patients (8%) terminated treatment prematurely.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.
  8. 08HumanNon-randomized trialSafety outcome

    In women with leiomyomata, five patients (8%) terminated leuprolide treatment prematurely.

    In plain wordsIn women with fibroids, five patients stopped leuprolide treatment early.

    Peptide
    Leuprolide
    Outcome
    Not applicablePremature treatment termination
    Study

    n: not reported in source

    Outcome group
    Adverse events · Reproductive and sexual health
    Studied dose
    3.75 mg every 4 weeks · intramuscularAs given in this study (human).

    Measurements

    Premature termination
    5 patients
    leuprolide
    Premature termination
    8%
    leuprolide

    Source sentences

    Summary
    Although 95% of women treated with leuprolide acetate experienced some side effects related to hypoestrogenism, only five patients (8%) terminated treatment prematurely.
    2 context sentences
    Summary · context
    The purpose of this study was to evaluate efficacy and safety parameters in women with leiomyomata uteri treated with the GnRH agonist leuprolide acetate depot, 3.75 mg intramuscularly every 4 weeks for 24 weeks.
    Summary · context
    One hundred twenty-eight patients were enrolled in a randomized, double-blind, placebo-controlled multicenter study involving 13 investigative centers.

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

WithdrawnPhase 3NCT02736435

Treatment of Uterine Fibroids With Magnetic Resonance Guided High Intensity Focused Ultrasound

Thunder Bay Regional Health Research Instituten = 018 Jan 2018 to 18 Jan 2018

Uterine Leiomyoma

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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