Phase 3
N=1,864
E4 FREEDOM (Female Response Concerning Efficacy and Safety of Estetrol/Drospirenone as Oral Contraceptive in a Multicentric Study) - United States/Canada Study
Contraception
Bottom Line
View on ClinicalTrials.gov: NCT02817841 ↗Enrolled (actual)
1,864
Serious AEs
1.3%
Results posted
Nov 2019
Primary outcome: Primary: The Number of On-treatment Pregnancies (With + 7-day Window) Per 100 Woman-years of Exposure (Pearl Index) in Subjects Aged 16 to 35 Years, Inclusive, at the Time of Screening — 2.65 Pearl Index
Study Design & Population
- Study type
- Interventional
- Phase
- Phase 3
- Interventions
- 15 mg E4/3 mg DRSP (Drug)
- Age
- Pediatric, Adult · 16+ yrs
- Sex
- Female
- Sponsor
- Estetra
- Primary completion
- Oct 2018
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY The Number of On-treatment Pregnancies (With + 7-day Window) Per 100 Woman-years of Exposure (Pearl Index) in Subjects Aged 16 to 35 Years, Inclusive, at the Time of Screening |
2.65 | — |
| SECONDARY The Number of On-treatment Pregnancies (With +7-day Window) as Assessed by the Method Failure Pearl Index in Subjects Aged 16 to 35 Years, Inclusive, at the Time of Screening |
1.43 | — |
| SECONDARY The Number of On-treatment Pregnancies (With + 7-day Window) Per 100 Woman-years of Exposure (Pearl Index) in the Overall Study Population (16-50 Years) |
2.52 | — |
| SECONDARY The Number of On-treatment Pregnancies as Assessed by the Method Failure Pearl Index in the Overall Study Population (16-50 Years) |
1.44 | — |
| SECONDARY Rate of Pregnancy (Life-table Analysis) in Participants Aged 16 to 35 Years |
2.06 | — |
| SECONDARY Rate of Pregnancy (Life-table Analysis) in Participants Aged 16 to 50 Years |
2.00 | — |
| SECONDARY Number of Subjects With Unscheduled Bleeding/Spotting Episodes |
532; 345; 337; 302; 238; 253 | — |
| SECONDARY Number of Unscheduled Bleeding Days Per Cycle |
0.4; 0.3; 0.4; 0.3; 0.3; 0.3 | — |
| SECONDARY Number of Unscheduled Spotting Days Per Cycle |
1.0; 0.6; 0.6; 0.5; 0.5; 0.5 | — |
| SECONDARY Number of Subjects With Absence of Scheduled Bleeding and/or Spotting |
230; 254; 274; 233; 209; 225 | — |
| SECONDARY Number of Scheduled Bleeding and/or Spotting Days Per Cycle |
6.1; 4.7; 4.7; 4.8; 4.4; 4.4 | — |
| SECONDARY Number of Subjects With Bleeding and/or Spotting Episodes by Reference Period |
1,249; 1,098; 982; 914 | — |
| SECONDARY Mean Number of Bleeding and Spotting Days by Reference Period |
3.6; 3.3; 3.3; 3.9 | — |
| SECONDARY Number of Subjects With Treatment-emergent Adverse Events as a Measure of Safety and Tolerability. |
1,002 | — |
| SECONDARY Number of Participants With Clinically Significant out-of Range Hematology Results |
8 | — |
| SECONDARY Number of Participants With Clinically Significant out-of Range Serum Chemistry and Lipid Profile Results |
21 | — |
| SECONDARY Number of Subjects With Clinically Abnormal Vital Signs |
10 | — |
| SECONDARY Number of Participants With Clinically Abnormal Physical Examination Results |
1,862; 2; 0; 1,431; 0; 1 | — |
| SECONDARY Number of Participants With Clinically Abnormal Gynecological Examination Results |
1,857; 6; 1; 1,387; 16; 11 | — |
| 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) |
75.8; 75.4 | — |
| 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 and Contentment Over the Past Week |
4.2; 4.1; 4.1; 4.1 | — |
| SECONDARY Change From Baseline to End of Treatment in the Score of the Menstrual Distress Questionnaire (MDQ) |
-0.3; -0.1; -0.6; -0.1; -0.2; -0.2 | — |
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 16 to 50 years.
Eligibility Criteria
Inclusion Criteria
- Heterosexually active female at risk for pregnancy and requesting contraception.
- Negative serum pregnancy test at subject screening.
- 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.
- 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 combined oral contraceptive (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.
- History of alcohol or drug abuse (including laxatives) within 12 months prior to screening.
- Use of drugs potentially triggering interactions with COCs.
- 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/European (EU) approved active ingredients, may be enrolled 2 months (60 days) after completing the preceding study.
- Sponsor, Contract Research Organization (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 (NCT02817841). 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.