Conditions: Contraception
Allocation: NA | Intervention model: SINGLE_GROUP
Enrollment: 1941
Healthy volunteers: yes

Brief summary:
The purpose of this study is to assess the contraceptive efficacy of the Etonogestrel (ENG) + 17β-Estradiol (E2) vaginal ring in women between 18 and 35 years of age based on the number of in-treatment pregnancies as expressed by the Pearl Index (PI). The study will also assess the safety and tolerability of the ENG-E2 vaginal ring.

Detailed description:

Arms:
arm 1: Participants will receive up to 13 cycles of ENG-E2 125 μg/300 μg. Each cycle will consist of 21 days of vaginal ring use followed by 7 vaginal ring-free days.

Interventions: intervention 1: ENG-E2 125 μg/300 μg vaginal ring
Intervention descriptions: intervention 1: Up to 13 cycles of ENG-E2 125 μg/300 μg administered intravaginally, each cycle consisting of 21 days of vaginal ring use followed by 7 vaginal ring-free days.

Protocol document: