| Not Yet Recruiting | A Study to Evaluate the Efficacy and Safety of Subcutaneous Levonorgestrel Butanoate for Female Contraception Healthy Women, Female Contraception | Phase 2 | 2026-04-01 |
| Withdrawn | Study of the Safety and Efficacy of Ulipristal Acetate (UPA) Used Daily as a Contraceptive Contraception, Healthy Female | Phase 2 | 2020-12-01 |
| Active Not Recruiting | A Study to Evaluate the PK and PD of IM or SQ Injections of Levonorgestrel Butanoate (LB) for Female Contracep Healthy Women, Female Contraception | Phase 1 | 2020-03-03 |
| Completed | Study of Daily Application of Nestorone® (NES) and Testosterone (T) Combination Gel for Male Contraception Healthy, Men, Male Contraception | Phase 2 | 2018-10-25 |
| Completed | Study of Spermatogenesis Suppression With DMAU Alone or With LNG Versus Placebo Alone in Normal Men Healthy, Men, Male Contraception | Phase 2 | 2018-04-16 |
| Completed | Study of Efficacy, Cycle Control, and Safety of a NES-E2 Contraceptive Vaginal Ring Healthy Women, Female Contraception | Phase 2 | 2018-02-12 |
| Unknown | 28-Day Repeat-Dose, Dose Escalation Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healt Healthy Men, Male Contraception | Phase 1 | 2017-11-09 |
| Completed | Single Dose, Dose-Ranging Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healthy Men Healthy Men, Male Contraception | Phase 1 | 2016-07-14 |
| Completed | Dose Finding Study of Contraceptive Vaginal Ring With Different Estradiol Levels in Combination With Nestorone Suppression of Ovulation | Phase 2 | 2016-01-01 |
| Completed | Efficacy Study of Two Continuous Regimens of Oral Daily 5 mg or 10 mg of Ulipristal Acetate (UPA), Versus a Do Focus: Estrogen-free Oral Contraception | Phase 2 | 2014-03-01 |
| Completed | A Phase I Study to Evaluate the PK and PD of a Single Injection of Levonorgestrel Butanoate for Female Contrac Contraceptive Usage | Phase 1 | 2011-05-01 |
| Completed | A Multicenter, Open-Label, Non-Comparative Study of the Safety and Contraceptive Efficacy of the Woman's Condo Contraception | N/A | 2011-01-01 |
| Completed | A Multi-center, Open-label, Randomized, Parallel Group Study to Evaluate Pharmacokinetic Profile, Effects on t Contraception | Phase 1 / Phase 2 | 2010-12-01 |
| Completed | Study of the Safety, and Sperm and Gonadotropin Suppression of a Contraceptive Gel in Normal Men Contraception | Phase 1 | 2009-05-01 |
| Completed | Study of the Safety, Efficacy and Cycle Control of a Contraceptive Vaginal Ring Contraception | Phase 3 | 2006-12-01 |
| Completed | Study of the Safety and Contraceptive Efficacy of C31G Compared to Conceptrol® Pregnancy | Phase 3 | 2004-06-01 |
| Completed | Effectiveness of BufferGel as a Vaginal Contraceptive Pregnancy | Phase 2 / Phase 3 | 2001-09-01 |