Contraceptive Efficacy and Safety of NOMAC-E2 Combined Oral Contraceptive

Organon

Status and phase: Terminated; Phase 3

Conditions: Contraception

Treatments: Drug: NOMAC-E2 COC

Study type: Interventional

Funder types: Industry; Other

Identifiers

NCT05264506

OG-8175A-023

Details and patient eligibility

About

The purpose of this study is evaluating Contraceptive Efficacy and Safety of NOMAC-E2 Combined Oral Contraceptive in Premenopausal Females Aged 14 to 35 Years (Inclusive).

Full description

This is a Phase 3, Open-label, Multi-center, Single-arm Study to Assess Contraceptive Efficacy and Safety of the Nomegestrol Acetate + 17β-estradiol Combined Oral Contraceptive (OG-8175A) in Premenopausal Females Aged 14 to 35 Years (Inclusive). Potential participants must be sexually active and engage in heterosexual vaginal intercourse at least once per month with a partner who is not known to be subfertile, sterilized, or infertile, and should not routinely use any other form of contraception.

A total of 2,680 fertile premenopausal women aged 14 to 35 years (inclusive) will be screened to achieve about 1,878 (with at least 657 participants with BMI ≥30 kg/m2) being allocated to study treatment. Over 1,000 total participants are expected to complete 1 year of treatment (13 cycles).

The total duration of study participation will be up to 60 weeks, which includes a Pre-treatment Period of approximately 6 weeks, a Treatment Period of 52 weeks, and a Follow-up Period of 2 weeks after the last intake of study drug.

Enrollment: 2,007 patients

Sex: Female

Ages: 14 to 35 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Postmenarcheal, premenopausal female aged 14 to 35 years (inclusive)
• At risk for pregnancy (including heterosexual vaginal intercourse at least once a month and not sterilized).
• No desire for pregnancy within 1 year following screening and is not intending to use any other form of contraception
• Good physical and mental health
• History of regular menstrual cycles prior to the use of any hormonal contraceptive.
• Able and willing to adhere study procedures

Exclusion criteria

• Current known or expected pregnancy
• History of subfertility or infertility
• Less than 2 normal menstrual cycles following recent pregnancy of gestational age
• Breastfeeding within 2 months of study drug start
• Known HIV infection
• Untreated gonorrhea, chlamydia, or trichomonas
• abnormal PAP within timeline of standard of care guidelines
• Unexplained/unresolved abnormal vaginal bleeding
• Presence/history of VTE, ATE, transient ischemic attack, angina pectoris, or claudication
• Higher risk for VTE
• Uncontrolled or severe hypertension
• Severe dyslipoproteinemia
• History of migraine with aura or focal neurological symptoms
• Diabetes mellitus (with either end-organ involvement or >20 years duration)
• Multiple cardiovascular risk factors
• History of pancreatitis associated with severe hypertriglyceridemia
• Presence/history of clinically significant liver disease
• History of malabsorptive surgical procedures
• History of malignancy in last 5 years
• Presence/history of meningioma
• Disease that may worsen under hormonal treatment
• Presence/history of severe depression (unless currently stable and asymptomatic)
• Known allergy/sensitivity to NOMAC-E2
• Drug or alcohol abuse/dependence in last 2 years
• Clinically relevant abnormal lab result at screening
• Expected use of other contraceptive medications or medications that induce liver enzymes during study
• Used another investigational drug within 2 months of study drug start

Trial design

Primary purpose: Prevention

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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2,007 participants in 1 patient group

Nomegestrol Acetate + 17β-estradiol (NOMAC-E2; OG-8175A)

Experimental group

Description:

The NOMAC-E2 COC active tablets contain 2.5 mg NOMAC and 1.5 mg E2 and will be used in a 24/4 regimen, i.e., 28-day cycles with 24 days of active tablet intake followed by 4 days of placebo tablet intake.

Treatment:

Drug: NOMAC-E2 COC