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Study · Randomized controlled trial · 2012

6 results

Ulipristal acetate versus leuprolide acetate for uterine fibroids.

Donnez J, Tomaszewski J, Vázquez F, Bouchard P, Lemieszczuk B, Baró F, Nouri K, Selvaggi L, Sodowski K, Bestel E, Terrill P, Osterloh I, Loumaye E

The New England journal of medicine1 Feb 2012Cited by 345 (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 study6

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

  1. 01HumanRandomized controlled trialEfficacy outcome

    In women with fibroids, bleeding control was 89% with leuprolide versus 90% with ulipristal 5 mg, with an ulipristal-minus-leuprolide difference of 1.2 percentage points (95% CI, -9.3 to 11.8).

    In plain wordsIn women with fibroids, leuprolide controlled bleeding in 89% versus 90% with ulipristal 5 mg.

    Peptide
    Leuprolide
    Outcome
    DecreaseControlled uterine bleeding versus ulipristal 5 mg
    Study

    n: not reported in source

    Comparator
    Ulipristal acetate 5 mg daily
    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    3.75 mg once monthly · intramuscular · 3 monthsAs given in this study (human).

    Measurements

    Patients with controlled uterine bleeding at week 13
    89%
    leuprolide acetate 3.75 mg monthly
    Patients with controlled uterine bleeding at week 13
    90%
    ulipristal acetate 5 mg
    Difference in controlled bleeding, ulipristal 5 mg minus leuprolide
    1.2 percentage points
    95% CI, -9.3 to 11.8

    Source sentences

    Summary
    Uterine bleeding was controlled in 90% of patients receiving 5 mg of ulipristal acetate, in 98% of those receiving 10 mg of ulipristal acetate, and in 89% of those receiving leuprolide acetate,
    3 context sentences
    Summary · context
    for differences (as compared with leuprolide acetate) of 1.2 percentage points (95% confidence interval [CI], -9.3 to 11.8) for 5 mg of ulipristal acetate and 8.8 percentage points (95% CI, 0.4 to 18.3) for 10 mg of ulipristal acetate.
    Summary · context
    In this double-blind noninferiority trial, we randomly assigned 307 patients with symptomatic fibroids and excessive uterine bleeding to receive 3 months of daily therapy with oral ulipristal acetate (at a dose of either 5 mg or 10 mg) or once-monthly intramuscular injections of leuprolide acetate (…
    Summary · context
    The primary outcome was the proportion of patients with controlled bleeding at week 13, with a prespecified noninferiority margin of -20%.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In women with fibroids, bleeding control was 89% with leuprolide versus 98% with ulipristal 10 mg, with an ulipristal-minus-leuprolide difference of 8.8 percentage points (95% CI, 0.4 to 18.3).

    In plain wordsIn women with fibroids, leuprolide controlled bleeding in 89% versus 98% with ulipristal 10 mg.

    Peptide
    Leuprolide
    Outcome
    DecreaseControlled uterine bleeding versus ulipristal 10 mg
    Study

    n: not reported in source

    Comparator
    Ulipristal acetate 10 mg daily
    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    3.75 mg once monthly · intramuscular · 3 monthsAs given in this study (human).

    Measurements

    Patients with controlled uterine bleeding at week 13
    89%
    leuprolide acetate 3.75 mg monthly
    Patients with controlled uterine bleeding at week 13
    98%
    ulipristal acetate 10 mg
    Difference in controlled bleeding, ulipristal 10 mg minus leuprolide
    8.8 percentage points
    95% CI, 0.4 to 18.3

    Source sentences

    Summary
    Uterine bleeding was controlled in 90% of patients receiving 5 mg of ulipristal acetate, in 98% of those receiving 10 mg of ulipristal acetate, and in 89% of those receiving leuprolide acetate,
    3 context sentences
    Summary · context
    for differences (as compared with leuprolide acetate) of 1.2 percentage points (95% confidence interval [CI], -9.3 to 11.8) for 5 mg of ulipristal acetate and 8.8 percentage points (95% CI, 0.4 to 18.3) for 10 mg of ulipristal acetate.
    Summary · context
    In this double-blind noninferiority trial, we randomly assigned 307 patients with symptomatic fibroids and excessive uterine bleeding to receive 3 months of daily therapy with oral ulipristal acetate (at a dose of either 5 mg or 10 mg) or once-monthly intramuscular injections of leuprolide acetate (…
    Summary · context
    The primary outcome was the proportion of patients with controlled bleeding at week 13, with a prespecified noninferiority margin of -20%.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In women with fibroids, median time to amenorrhea was 21 days with leuprolide versus 7 days with ulipristal 5 mg.

    In plain wordsIn women with fibroids, bleeding stopped after a median 21 days with leuprolide versus 7 days with ulipristal 5 mg.

    Peptide
    Leuprolide
    Outcome
    IncreaseTime to amenorrhea versus ulipristal 5 mg
    Study

    n: not reported in source

    Comparator
    Ulipristal acetate 5 mg daily
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    3.75 mg once monthly · intramuscular · 3 monthsAs given in this study (human).

    Measurements

    Median time to amenorrhea
    21 days
    leuprolide acetate
    Median time to amenorrhea
    7 days
    ulipristal acetate 5 mg

    Source sentences

    Summary
    Median times to amenorrhea were 7 days for patients receiving 5 mg of ulipristal acetate, 5 days for those receiving 10 mg of ulipristal acetate, and 21 days for those receiving leuprolide acetate.
    2 context sentences
    Summary · context
    In this double-blind noninferiority trial, we randomly assigned 307 patients with symptomatic fibroids and excessive uterine bleeding
    Summary · context
    or once-monthly intramuscular injections of leuprolide acetate (at a dose of 3.75 mg).
  4. 04HumanRandomized controlled trialEfficacy outcome

    In women with fibroids, median time to amenorrhea was 21 days with leuprolide versus 5 days with ulipristal 10 mg.

    In plain wordsIn women with fibroids, bleeding stopped after a median 21 days with leuprolide versus 5 days with ulipristal 10 mg.

    Peptide
    Leuprolide
    Outcome
    IncreaseTime to amenorrhea versus ulipristal 10 mg
    Study

    n: not reported in source

    Comparator
    Ulipristal acetate 10 mg daily
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    3.75 mg once monthly · intramuscular · 3 monthsAs given in this study (human).

    Measurements

    Median time to amenorrhea
    21 days
    leuprolide acetate
    Median time to amenorrhea
    5 days
    ulipristal acetate 10 mg

    Source sentences

    Summary
    Median times to amenorrhea were 7 days for patients receiving 5 mg of ulipristal acetate, 5 days for those receiving 10 mg of ulipristal acetate, and 21 days for those receiving leuprolide acetate.
    2 context sentences
    Summary · context
    In this double-blind noninferiority trial, we randomly assigned 307 patients with symptomatic fibroids and excessive uterine bleeding
    Summary · context
    or once-monthly intramuscular injections of leuprolide acetate (at a dose of 3.75 mg).
  5. 05HumanRandomized controlled trialSafety outcome

    In women with fibroids, moderate-to-severe hot flashes occurred in 40% with leuprolide versus 11% with ulipristal 5 mg (P<0.001).

    In plain wordsIn women with fibroids, moderate-to-severe hot flashes occurred in 40% with leuprolide versus 11% with ulipristal 5 mg.

    Peptide
    Leuprolide
    Outcome
    IncreaseModerate-to-severe hot flashes versus ulipristal 5 mg
    Study

    n: not reported in source

    Comparator
    Ulipristal acetate 5 mg daily
    Outcome group
    Adverse events · Reproductive and sexual health
    Studied dose
    3.75 mg once monthly · intramuscular · 3 monthsAs given in this study (human).

    Measurements

    Moderate-to-severe hot flashes
    40%
    leuprolide acetate
    Moderate-to-severe hot flashes
    11%
    ulipristal acetate 5 mg

    Source sentences

    Summary
    Moderate-to-severe hot flashes were reported for 11% of patients receiving 5 mg of ulipristal acetate, for 10% of those receiving 10 mg of ulipristal acetate, and for 40% of those receiving leuprolide acetate (P<0.001 for each dose of ulipristal acetate vs. leuprolide acetate).
    2 context sentences
    Summary · context
    In this double-blind noninferiority trial, we randomly assigned 307 patients with symptomatic fibroids and excessive uterine bleeding
    Summary · context
    or once-monthly intramuscular injections of leuprolide acetate (at a dose of 3.75 mg).
  6. 06HumanRandomized controlled trialSafety outcome

    In women with fibroids, moderate-to-severe hot flashes occurred in 40% with leuprolide versus 10% with ulipristal 10 mg (P<0.001).

    In plain wordsIn women with fibroids, moderate-to-severe hot flashes occurred in 40% with leuprolide versus 10% with ulipristal 10 mg.

    Peptide
    Leuprolide
    Outcome
    IncreaseModerate-to-severe hot flashes versus ulipristal 10 mg
    Study

    n: not reported in source

    Comparator
    Ulipristal acetate 10 mg daily
    Outcome group
    Adverse events · Reproductive and sexual health
    Studied dose
    3.75 mg once monthly · intramuscular · 3 monthsAs given in this study (human).

    Measurements

    Moderate-to-severe hot flashes
    40%
    leuprolide acetate
    Moderate-to-severe hot flashes
    10%
    ulipristal acetate 10 mg

    Source sentences

    Summary
    Moderate-to-severe hot flashes were reported for 11% of patients receiving 5 mg of ulipristal acetate, for 10% of those receiving 10 mg of ulipristal acetate, and for 40% of those receiving leuprolide acetate (P<0.001 for each dose of ulipristal acetate vs. leuprolide acetate).
    2 context sentences
    Summary · context
    In this double-blind noninferiority trial, we randomly assigned 307 patients with symptomatic fibroids and excessive uterine bleeding
    Summary · context
    or once-monthly intramuscular injections of leuprolide acetate (at a dose of 3.75 mg).

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 completed · 1 with posted results · source ClinicalTrials.gov (opens in a new tab)

CompletedPhase 3Results postedNCT00740831

PGL4001 Versus GnRH-agonist in Uterine Myomas

PregLem SAn = 301Aug 2008 to Jun 2010

Uterine Myomas

Trial pageClinicalTrials.govUpdated 17 Dec 2012

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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