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CDB-2914 for uterine leiomyomata treatment: a randomized controlled trial.

ABSTRACT: OBJECTIVE:To evaluate whether 3-month administration of CDB-2914, a selective progesterone receptor modulator, reduces leiomyoma size and symptoms. METHODS:Premenopausal women with symptomatic uterine leiomyomata were randomly assigned to CDB-2914 at 10 mg (T1) or 20 mg (T2) daily or to placebo (PLC) for 3 cycles or 90-102 days if no menses occurred. The primary outcome was leiomyoma volume change determined by magnetic resonance imaging at study entry and within 2 weeks of hysterectomy. Secondary outcomes included the proportion of amenorrhea, change in hemoglobin and hematocrit, ovulation inhibition, and quality-of-life assessment. RESULTS:Twenty-two patients were allocated, and 18 completed the trial. Age and body mass index were similar among groups. Leiomyoma volume was significantly reduced with CDB-2914 administration (PLC 6%; CDB-2914 -29%; P=.01), decreasing 36% and 21% in the T1 and T2 groups, respectively. During treatment, hemoglobin was unchanged, and the median estradiol was greater than 50 pg/mL in all groups. CDB-2914 eliminated menstrual bleeding and inhibited ovulation (% ovulatory cycles: CDB-2914, 20%; PLC, 83%; P=.001). CDB-2914 improved the concern scores of the uterine leiomyoma symptom quality-of-life subscale (P=.04). One CDB-2914 woman developed endometrial cystic hyperplasia without evidence of atypia. No serious adverse events were reported. CONCLUSION:Compared with PLC, CDB-2914 significantly reduced leiomyoma volume after three cycles, or 90-102 days. CDB-2914 treatment resulted in improvements in the concern subscale of the Uterine Fibroid Symptom Quality of Life assessment. In this small study, CDB-2914 was well-tolerated without serious adverse events. Thus, there may be a role for CDB-2914 in the treatment of leiomyomata. CLINICAL TRIAL REGISTRATION:ClinicalTrials.gov,www.clinicaltrials.gov, NCT00290251 LEVEL OF EVIDENCE:I.

SUBMITTER: Levens ED

PROVIDER: S-EPMC2742990 | biostudies-literature | 2008 May

REPOSITORIES: biostudies-literature

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CDB-2914 for uterine leiomyomata treatment: a randomized controlled trial.

Levens Eric D ED Potlog-Nahari Clariss C Armstrong Alicia Y AY Wesley Robert R Premkumar Ahalya A Blithe Diana L DL Blocker Wendy W Nieman Lynnette K LK

Obstetrics and gynecology 20080501 5

<h4>Objective</h4>To evaluate whether 3-month administration of CDB-2914, a selective progesterone receptor modulator, reduces leiomyoma size and symptoms.<h4>Methods</h4>Premenopausal women with symptomatic uterine leiomyomata were randomly assigned to CDB-2914 at 10 mg (T1) or 20 mg (T2) daily or to placebo (PLC) for 3 cycles or 90-102 days if no menses occurred. The primary outcome was leiomyoma volume change determined by magnetic resonance imaging at study entry and within 2 weeks of hyster ...[more]

PMID: 18448745

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Project description:ObjectiveTo assess efficacy and tolerability of ulipristal acetate, a selective progesterone receptor modulator, for treatment of symptomatic uterine leiomyomas.MethodsThis phase 3, double-blind, placebo-controlled study enrolled premenopausal women (aged 18-50 years) with abnormal uterine bleeding, one or more discrete leiomyomas, and uterine size 20 weeks of gestation or less. Patients were randomized 1:1:1 to 5 mg ulipristal, 10 mg ulipristal, or placebo once daily for 12 weeks followed by 12-week drug-free follow-up. Coprimary endpoints were rate of and time to amenorrhea, defined as no bleeding for the last 35 consecutive days of treatment. Secondary endpoints included rates of amenorrhea from day 11 and change from baseline to endpoint in the Revised Activities subscale of the Uterine Fibroid Symptom and Quality of Life questionnaire, which includes questions pertaining to physical and social activities. Safety assessments included adverse event monitoring and endometrial biopsies. A sample size of 150 was planned to compare separately each dose of ulipristal with placebo.ResultsFrom March 2014 to March 2016, 157 patients were randomized. Demographics were similar across treatment groups. Amenorrhea was achieved by 25 of 53 (47.2% [97.5% CI 31.6-63.2]) and 28 of 48 (58.3% [97.5% CI 41.2-74.1]) patients treated with 5 mg and 10 mg ulipristal, respectively, compared with 1 of 56 (1.8% [97.5% CI 0.0-10.9]) placebo-treated patients (both P<.001). Time to amenorrhea was shorter for both ulipristal doses compared with placebo (P<.001), and both doses of ulipristal resulted in improved quality of life compared with placebo (P<.001). Common adverse events (5% or greater in either ulipristal group during treatment) were hypertension, elevated blood creatinine phosphokinase, and hot flushes. Serious adverse events occurred in four patients, but none was considered related to treatment. Endometrial biopsies were benign.ConclusionUlipristal at 5 mg and 10 mg were well tolerated and superior to placebo in rate of and time to amenorrhea in women with symptomatic uterine leiomyomas.Clinical trial registrationClinicaltrials.gov number, NCT02147197.

Dataset Information

CDB-2914 for uterine leiomyomata treatment: a randomized controlled trial.

Publications

CDB-2914 for uterine leiomyomata treatment: a randomized controlled trial.

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