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Contraceptive efficacy and tolerability of ethinylestradiol 20 ?g/drospirenone 3 mg in a flexible extended regimen: an open-label, multicentre, randomised, controlled study.

ABSTRACT: The contraceptive efficacy and tolerability of a new flexible extended regimen of ethinylestradiol (EE) 20 ?g/drospirenone (DRSP) 3 mg to extend the menstrual cycle and enable management of intracyclic (breakthrough) bleeding (flexible(MIB)) was investigated and the bleeding pattern compared with a conventional 28-day regimen and a fixed extended 124-day regimen.This Phase III, 2-year, multicentre, open-label study randomly (4:1:1) allocated women (aged 18-35 years) to the following regimens: flexible(MIB) (24-120 days' active hormonal intake with 4-day tablet-free intervals); conventional (24 days' active hormonal intake followed by a 4-day hormone-free interval); or fixed extended (120 days' uninterrupted active hormonal intake followed by a 4-day tablet-free interval). Primary outcomes included the number of bleeding/spotting days during Year 1 (all regimens) and the number of observed unintended pregnancies over 2 years (flexible(MIB) only).Results were analysed in 1067 women (full analysis set). The mean number of bleeding/spotting days was lower with the flexible(MIB) vs the conventional regimen [41.0±29.1 (95% CI 38.8-43.3) vs 65.8±27.0 (95% CI 62.2-69.4) days, p<0.0001; treatment difference -24.8 (95% CI -29.2 to -20.3) days]. The corresponding value for the fixed extended regimen was 60.9±51.1 (95% CI 53.9-67.9) days. The Pearl Index for the flexible(MIB) regimen was 0.64 (95% CI 0.28-1.26). All regimens had comparable tolerability profiles.EE 20 ?g/DRSP 3 mg administered as a flexible extended regimen with MIB is effective, well tolerated and is associated with statistically significantly fewer bleeding/spotting days and fewer withdrawal bleeding episodes vs EE/DRSP in a conventional 28-day regimen. The flexible(MIB) also provided statistically significantly fewer spotting days vs EE/DRSP in a fixed extended 124-day regimen (post hoc evaluation). The flexible(MIB) regimen allows women to extend their menstrual cycle and manage their intracyclic (breakthrough) bleeding.

SUBMITTER: Klipping C

PROVIDER: S-EPMC3353880 | biostudies-literature | 2012 Apr

REPOSITORIES: biostudies-literature

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Contraceptive efficacy and tolerability of ethinylestradiol 20 μg/drospirenone 3 mg in a flexible extended regimen: an open-label, multicentre, randomised, controlled study.

Klipping Christine C Duijkers Ingrid I Fortier Michel P MP Marr Joachim J Trummer Dietmar D Elliesen Jörg J

The journal of family planning and reproductive health care 20120401 2

<h4>Background</h4>The contraceptive efficacy and tolerability of a new flexible extended regimen of ethinylestradiol (EE) 20 μg/drospirenone (DRSP) 3 mg to extend the menstrual cycle and enable management of intracyclic (breakthrough) bleeding (flexible(MIB)) was investigated and the bleeding pattern compared with a conventional 28-day regimen and a fixed extended 124-day regimen.<h4>Study design</h4>This Phase III, 2-year, multicentre, open-label study randomly (4:1:1) allocated women (aged 18 ...[more]

PMID: 22454003

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Project description:OBJECTIVE:To evaluate the effect of a digital dispenser's acoustic alarm function on adherence to ethinylestradiol (EE) 20 ?g/drospirenone 3 mg in a flexible extended regimen (EE/drospirenoneFlex) among women in five European countries (France, Germany, Italy, Spain, UK) seeking oral contraception. STUDY DESIGN:Randomized, parallel-group open-label study. METHODS:Women aged 18-35 years received EE/drospirenoneFlex administered in a regimen with cycle lengths of their choice with the aid of a digital pill dispenser over 1 year. In group A (N=250), the dispenser's acoustic alarm was activated (ie, acoustic alarm + visual reminder). In group B (N=249), the acoustic alarm was deactivated (ie, visual reminder only). In addition, the women recorded pill intake daily in diary cards. The primary efficacy variable was the mean delay of daily pill release after the dispenser reminded the woman to take a pill (reference time). Secondary efficacy variables included number of missed pills, contraceptive efficacy, bleeding pattern, tolerability, and user satisfaction. RESULTS:Dispenser data showed a mean (standard deviation [SD]) daily delay in pill release of 88 (126) minutes in group A vs 178 (140) minutes in group B (P<0.0001). Median (lower quartile, Q1; upper quartile, Q3) number of missed pills was 0 (0; 1) in group A vs 4 (1; 9) in group B (P<0.0001). Diary card results revealed similar trends; however, underreporting of missed pills was evident in both groups. No pregnancies were reported during 424 women-years of exposure. Across the two groups, the mean (SD) EE/drospirenoneFlex cycle length was 51.0 (31.8) days with strong regional differences, and the mean (SD) number of bleeding/spotting days was 50.4 (33.0) days. EE/drospirenoneFlex was well tolerated, and 80% of women were satisfied with treatment. CONCLUSION:The dispenser's activated acoustic alarm improved adherence with daily tablet intake of EE/drospirenoneFlex, reducing missed pills. EE/drospirenoneFlex provided effective contraception and a good tolerability profile.

Project description:BackgroundDysmenorrhea is a common condition in women, which is characterized by menstrual pain. Low-dose estrogen/progestin combined oral contraceptives have been shown to reduce the severity of dysmenorrhea symptoms, and a 28-day cyclic regimen of ethinylestradiol/drospirenone (28d regimen) is approved for this indication in Japan.AimThe aim of this study was to assess the safety and efficacy of a flexible extended regimen of ethinylestradiol/drospirenone (flexible regimen) in Japanese women with dysmenorrhea.MethodsThis multicenter, open-label study was performed in Japanese women with dysmenorrhea who, after a baseline observational phase, were randomized to receive ethinylestradiol 20 μg/drospirenone 3 mg in a flexible regimen (one tablet each day for 24-120 days followed by a 4-day tablet-free interval) or in the standard 28d regimen (one tablet each day for 24 days, followed by 4 days of placebo tablets for six cycles). The primary endpoint was the number of days with dysmenorrhea of at least mild intensity over a 140-day evaluation period. Dysmenorrhea scores, bleeding patterns, and other pain-related parameters were also assessed.ResultsA total of 216 women (mean age 29.7 years) were randomized to the flexible regimen (n=108) or 28d regimen (n=108) and 212 were included in the full analysis sets (flexible regimen, n=105; 28d regimen, n=107). Women in the flexible-regimen group reported a mean of 3.4 fewer days with dysmenorrheic pain than women in the 28d-regimen group, with similar decreases in disease severity reported in both treatment groups. According to the investigators, 64.8% and 59.4% of women in the flexible-regimen and 28d-regimen treatment groups had "very much improved" or "much improved" disease, while 54.3% and 50.9% of patients reported being "very much satisfied" or "much satisfied" with their treatment, respectively.ConclusionIn Japanese women with dysmenorrhea, a flexible extended regimen of ethinylestradiol/drospirenone decreased the number of days with dysmenorrheic pain versus the traditional 28d regimen.

Project description:IntroductionDysmenorrhea and endometriosis are common gynecologic disorders among women of reproductive age that significantly impact health-related quality of life (HRQL) as well as productivity. Although there are treatment options listed in Japanese guidelines, a gap remains in unmet medical needs for maximizing treatment outcome. The extended regimen of ethinylestradiol and drospirenone (EE/DRSP) (taken daily for up to 120 consecutive days) has been available in Japan for treating dysmenorrhea and/or endometriosis-associated pain since 2016. Yet, the effectiveness of its usage on HRQL has not been investigated elsewhere to date. Therefore, in this study, we aim to observe changes in HRQL of Japanese women treated with an extended regimen of EE/DRSP for dysmenorrhea and/or endometriosis-associated pain.MethodsAs part of a 2-year post-marketing surveillance study, women with dysmenorrhea or endometriosis-associated pelvic pain were prescribed extended EE/DRSP during routine clinical practice. Data were collected 1 month before and 3 and 6 months after initiating treatment. Primary outcomes were the Menstrual Distress Questionnaire (MDQ) (before, during, and after menstruation) in patients with dysmenorrhea, and the Endometriosis Impact Scale (EIS) and European Quality of Life 5-dimensions 5-level instrument (EQ-5D-5L) in patients with endometriosis.ResultsThe study cohort included 315 patients (mean age 28.9 years) with dysmenorrhea and 262 patients (mean age 31.3 years) with endometriosis. Mean MDQ total scores before and during menstruation decreased significantly after 6 months with extended EE/DRSP; there was no improvement in after-menstruation MDQ score. Mean EIS domain scores improved significantly by 6 months, with improvement in most EIS individual item scores. Mean EQ-5D-5L scores increased slightly during 6 months of treatment.ConclusionsExtended EE/DRSP treatment improved HRQL outcomes in Japanese women with dysmenorrhea or endometriosis-associated pelvic pain.Trial registrationRegistered at ClinicalTrials.gov (NCT03126747) on June 2017.

Project description:ObjectivesTo evaluate contraceptive effectiveness and safety of oral drospirenone 4 mg 24/4-day regimen in the United States.Study designWe performed a prospective, single-arm, multicenter phase 3 trial in sexually active women for up to thirteen 28-day treatment cycles. Primary outcome was the Pearl index, calculated using confirmed on-drug pregnancies and evaluable cycles in nonbreastfeeding women aged ≤ 35 years. We assessed adverse events (AEs), including hyperkalemia and venous thromboembolism.ResultsOf 1006 women who received at least one dose of drospirenone, 352 women (35.0%) completed the trial and 654 (65.0%) women discontinued before trial end. Most participants (92.2%) were ≤ 35 years; one third had a body mass index (BMI) ≥ 30 kg/m2. Among nonbreastfeeding women aged ≤ 35 years, there were 17 pregnancies (Pearl index: 4.0; 95% confidence interval [CI], 2.3-6.4; n = 953), of which three were unconfirmed and two were from sites excluded from the main analysis for major breaches of Food and Drug Administration regulations. The Pearl index was 2.9 (95% CI: 1.5-5.1) for confirmed pregnancies among 915 nonbreastfeeding women aged ≤ 35 years from sites with no protocol violations. Nearly all (95.4%) treatment-emergent AEs were mild or moderate in intensity. No cases of venous thromboembolism were reported. The frequency of hyperkalemia was 0.5%. Women with baseline systolic/diastolic blood pressure ≥ 130/85 mmHg had a mean reduction from baseline in blood pressure at exit visit (- 8.5/- 4.9 mmHg; n = 119). No other clinically relevant changes were observed. Participant satisfaction was high.ConclusionDrospirenone 4 mg 24/4 regimen provides effective contraception with a good safety/tolerability profile in a broad group of women, including overweight or obese women.ImplicationsThis new progestin-only contraceptive, drospirenone 4 mg in a 24/4 regimen, provides a contraceptive option for the majority of women regardless of blood pressure or BMI.

Dataset Information

Contraceptive efficacy and tolerability of ethinylestradiol 20 ?g/drospirenone 3 mg in a flexible extended regimen: an open-label, multicentre, randomised, controlled study.

Publications

Contraceptive efficacy and tolerability of ethinylestradiol 20 μg/drospirenone 3 mg in a flexible extended regimen: an open-label, multicentre, randomised, controlled study.

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