Phase 3
N=1,553
E4 FREEDOM (Female Response Concerning Efficacy and Safety of Estetrol/Drospirenone as Oral Contraceptive in a Multicentric Study) - EU/Russia Study
Contraception
Bottom Line
View on ClinicalTrials.gov: NCT02817828 ↗Enrolled (actual)
1,553
Serious AEs
0.8%
Results posted
Oct 2019
Primary outcome: Primary: The Number of On-treatment Pregnancies (With + 2-day Window) Per 100 Woman-years of Exposure (Pearl Index) in Subjects Aged 18 to 35 Years, Inclusive, at the Time of Screening — 0.47 Pearl Index
Study Design & Population
- Study type
- Interventional
- Phase
- Phase 3
- Interventions
- 15 mg E4/3 mg DRSP (Drug)
- Age
- Adult · 18+ yrs
- Sex
- Female
- Sponsor
- Estetra
- Primary completion
- Apr 2018
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY The Number of On-treatment Pregnancies (With + 2-day Window) Per 100 Woman-years of Exposure (Pearl Index) in Subjects Aged 18 to 35 Years, Inclusive, at the Time of Screening |
0.47 | — |
| SECONDARY The Number of On-treatment Pregnancies (With 2-day Window) as Assessed by the Method Failure Pearl Index in Subjects Aged 18 to 35 Years, Inclusive, at the Time of Screening |
0.29 | — |
| SECONDARY The Number of On-treatment Pregnancies (With + 2-day Window) Per 100 Woman-years of Exposure (Pearl Index) in the Overall Study Population (18-50 Years) |
0.41 | — |
| SECONDARY The Number of On-Treatment Pregnancies as Assessed by the Method Failure Pearl Index in the Overall Study Population (18-50 Years) |
0.25 | — |
| SECONDARY Number of Subjects With Unscheduled Bleeding/Spotting |
354; 282; 250; 249; 238; 207 | — |
| SECONDARY Number of Unscheduled Bleeding Days Per Cycle |
0.2; 0.1; 0.1; 0.2; 0.1; 0.1 | — |
| SECONDARY Number of Unscheduled Spotting Days Per Cycle |
0.8; 0.5; 0.5; 0.5; 0.5; 0.4 | — |
| SECONDARY Number of Subjects With Absence of Scheduled Bleeding and/or Spotting |
84; 90; 105; 83; 91; 91 | — |
| SECONDARY Number of Scheduled Bleeding and/or Spotting Days Per Cycle |
6.1; 5.3; 5.2; 5.0; 4.9; 4.9 | — |
| SECONDARY Number of Subjects With Abnormal Vital Signs |
15 | — |
| SECONDARY Number of Subjects With Abnormal Laboratory Assessment Results |
55 | — |
| SECONDARY Number of Subjects With Abnormal Physical Examination Results |
1548; 5; 0; 1493; 5; 0 | — |
| SECONDARY Number of Subjects With Abnormal Gynecological Examination Results |
1,545; 8; 0; 1,485; 13; 1 | — |
| SECONDARY Endometrial Biopsy Histology at Screening and End of Treatment |
0; 1; 2; 7; 76; 22 | — |
| SECONDARY Quality of Life Enjoyment and Satisfaction Questionnaire - Short Form (Q-LES-Q-SF) Results at Baseline and End of Treatment - Percentage Maximum (Sum of First 14 Items) |
73.4; 73.8 | — |
| SECONDARY Quality of Life Enjoyment and Satisfaction Questionnaire - Short Form (Q-LES-Q-SF) Results at Baseline and End of Treatment - Satisfaction With Medicine and Overall Life Satisfaction Over the Past Week |
4.0; 4.0; 4.0; 4.0 | — |
| SECONDARY Change From Baseline to End of Treatment in the Score of the Menstrual Distress Questionnaire (MDQ) |
-0.4; -0.1; -0.1; -0.1; -0.1; 0.0 | — |
Summary
The objectives of this study are to evaluate the contraceptive efficacy, vaginal bleeding pattern (cycle control), and the general safety and acceptability of the 15 mg estetrol (E4)/3 mg drospirenone (DRSP) combination in healthy women aged 18 to 50 years.
Eligibility Criteria
Inclusion Criteria
- Heterosexually active female at risk for pregnancy and requesting contraception.
- Negative serum pregnancy test at subject enrollment.
- Willing to use the investigational product as the primary method of contraception for 13 consecutive cycles.
- Good physical and mental health on the basis of medical, surgical and gynecological history, physical examination, gynecological examination, clinical laboratory, and vital signs.
- Body mass index (BMI) below or equal to (≤) 35.0 kg/m2.
- Able to fulfill the requirements of the protocol and have indicated a willingness to participate in the study by providing written informed consent (IC).
- Willing and able to complete the diaries and questionnaires.
Exclusion Criteria
- Known hypersensitivity to any of the investigational product ingredients.
- Smoking if ≥ 35 years old, at screening.
- Any condition associated with decrease fertility.
- Dyslipoproteinemia requiring active treatment with antilipidemic agent.
- Diabetes mellitus with vascular involvement (nephropathy, retinopathy, neuropathy, other) or diabetes mellitus of more than 20-year duration.
- Arterial hypertension.
- Any condition associated with an increased risk of venous thromboembolism and/or arterial thromboembolism.
- Any condition associated with abnormal uterine/vaginal bleeding.
- Abnormal Pap test based on current international recommendations.
- Presence of an undiagnosed breast mass.
- Current symptomatic gallbladder disease.
- History of COC related cholestasis.
- Presence or history of severe hepatic disease.
- Presence or history of pancreatitis if associated with hypertriglyceridemia.
- Porphyria.
- Presence or history of hepatocellular adenoma or malignant liver tumors.
- Renal impairment.
- Hyperkaliemia or presence of conditions that predispose to hyperkaliemia.
- Presence or history of hormone-related malignancy.
- History of non-hormone-related malignancy within 5 years before screening. Subjects with a non-melanoma skin cancer are allowed in the study.
- Use of drugs potentially triggering interactions with COCs.
- History of alcohol or drug abuse (including laxatives) within 12 months prior to screening.
- Any condition that could result in altered absorption, excessive accumulation, impaired metabolism, or altered excretion of the investigational product.
- Uncontrolled thyroid disorders.
- Participation in another investigational drug clinical study within 1 month (30 days) or have received an investigational drug within the last 3 months (90 days) prior to study entry. Subjects who participated in an oral contraceptive clinical study, using FDA/EU approved active ingredients, may be enrolled 2 months (60 days) after completing the preceding study.
- Sponsor, CRO or Investigator's site personnel directly affiliated with this study.
- Is judged by the Investigator to be unsuitable for any reason.
Data sourced from ClinicalTrials.gov (NCT02817828). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.