A randomized, open-label, comparative, multi-center trial to evaluate contraceptive efficacy, cycle control, safety and acceptability of a monophasic combined oral contraceptive (COC) containing 2.5 mg nomegestrol acetate (NOMAC) and 1.5 mg estradiol

Investigator: Philip Darney, MD, MS
Sponsor: Organon, Inc.

Location(s): United States


The primary purpose of this study is to assess contraceptive efficacy, vaginal bleeding patterns (cycle control), general safety and acceptability of the nomegestrol acetate-estradiol (NOMAC-E2) combined oral contraceptive (COC) in a large group of women aged 18-50 years.