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Phase 3 N=1,553 Prevention

E4 FREEDOM (Female Response Concerning Efficacy and Safety of Estetrol/Drospirenone as Oral Contraceptive in a Multicentric Study) - EU/Russia Study

Contraception

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

OutcomeResultp-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.
View full record on ClinicalTrials.gov →

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.

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