| Inhibition of Ovulation, Patch, Ethinylestradiol and Gestodene (NCT00729404) | Bayer | 2008-08-01 |
| Pharmacokinetics of Implanon in Obese Women (NCT00724438) | University of Chicago | 2008-07-01 |
| Community Based Distribution of Injectable Contraceptives in Tigray, Ethiopia (NCT01288274) | University of California, Berkeley | 2008-06-01 |
| A Trial of Group Versus Individual Family Planning Counseling in Ghana (NCT00814411) | Johns Hopkins Bloomberg School of Public Health | 2008-06-01 |
| Blood-borne Infection Screening in an Afghan Antenatal Population (NCT01199601) | Columbia University | 2008-06-01 |
| Thorough QT/QTc Study of Multiple Oral Doses of NOMAC-E2 (Org 10486 0 + Org 2317) in Healthy Women (Study 292011)(P05802) (NCT00779532) | Organon and Co | 2008-05-01 |
| Comparison of CDB-2914 Versus Placebo in the Prevention of Follicular Rupture Post-luteinizing Hormone (LH) Surge (NCT01107093) | HRA Pharma | 2008-05-01 |
| Study to Evaluate Cycle Control With Norgestimate/Ethinyl Estradiol and Drospirenone/Ethinyl Estradiol in Healthy Sexually Active Females (NCT00745901) | Ortho-McNeil Janssen Scientific Affairs, LLC | 2008-05-01 |
| A Study to Evaluate Inhibition of Ovulation of Two Oral Estrogen/Progestogen Regimens in Healthy, Young Females Over a Period of 3 Treatment Cycles (NCT00631124) | Bayer | 2008-02-01 |
| Improvement of Quality of Life in Patients Using Low-dose Pills in the Different Phases of Menacme (NCT01174524) | Hospital Geral de Fortaleza | 2008-01-01 |
| Acceptability of Long-term Progestin-only Contraception in Europe (NCT00931827) | Bayer | 2008-01-01 |
| Effects of Drospirenone-containing or -Not Containing Combined Oral Contraceptives on General and Sexual Well-being (NCT00988910) | Bayer | 2008-01-01 |
| Yasmin Post Marketing Surveillance (NCT00923572) | Bayer | 2007-12-01 |
| To Evaluate Compliance to Treatment Regimen (Rate of Deviations From the Prescribed Regimen) in Polish Females Treated With Different Low Dose Oral Contraceptives (NCT01198444) | Bayer | 2007-12-01 |
| Intrauterine Contraceptive Device (IUD) Placement at Time of C-Section (NCT00733278) | Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center | 2007-11-01 |
| Efficacy and Safety of Two Flexible Extended Regimens of BAY86-5300 (SH T00186D) in Comparison With the Conventional Regimen of YAZ (NCT00567164) | Bayer | 2007-10-01 |
| The Effect of Hormonal Contraceptives on Androgens and Glucose Metabolism (NCT01087879) | University of Oulu | 2007-10-01 |
| Transatlantic Active Surveillance on Cardiovascular Safety of NuvaRing (TASC) (NCT00524771) | Center for Epidemiology and Health Research, Germany | 2007-09-01 |
| Levonorgestrel Contraceptive Intrauterine Systems (LCS) Pearl Index Study (NCT00528112) | Bayer | 2007-08-01 |
| The Contraceptive Choice Project (NCT01986439) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2007-08-01 |
| Study Evaluating the Bioequivalence of Levonorgestrel/Ethinyl Estradiol Combinations in Cycling Women (NCT00447863) | Wyeth is now a wholly owned subsidiary of Pfizer | 2007-08-01 |
| Safety of the Etonogestrel-releasing Implant During the Puerperium of Healthy Women (NCT00828542) | University of Sao Paulo | 2007-07-01 |
| Maintaining Intrauterine Devices (IUDs) in Teens (MINT): A Randomization Trial (NCT00653159) | University of Chicago | 2007-07-01 |
| Misoprostol With Intrauterine Device Insertion (NCT00613366) | Oregon Health and Science University | 2007-06-01 |
| Study of Safety and Efficacy of an Oral Contraceptive (NCT00477633) | Warner Chilcott | 2007-06-01 |
| ACY-6 Oral Administration of Acyline (NCT00471185) | University of Washington | 2007-06-01 |
| Assessing Preference for 3 Female Condoms: A Comparative Evaluation of the PATH Woman's Condom, FC2 and the Reddy 6 (NCT01452503) | FHI 360 | 2007-05-01 |
| Postplacental or Delayed Insertion of the Levonorgestrel-releasing Intrauterine Device (IUD) After Vaginal Delivery (NCT00476021) | University of Pittsburgh | 2007-05-01 |
| A Study of the Drug Interactions Between a Hormonal Emergency Contraception and an HIV Medication (NCT00482963) | University of Colorado, Denver | 2007-05-01 |
| Mirena Post-marketing Surveillance in Japan (NCT01414140) | Bayer | 2007-05-01 |
| Immediate Versus Delayed Intrauterine Device (IUD) Insertion Following First Trimester Suction Aspiration Procedures (NCT00562276) | Oregon Health and Science University | 2007-05-01 |
| Efficacy and Safety Study for an Oral Contraceptive Containing Folate (NCT00468481) | Bayer | 2007-04-01 |
| Safety and Efficacy of CDB-2914 in Comparison to Levonorgestrel for Emergency Contraception (NCT00551616) | HRA Pharma | 2007-04-01 |
| A Multicenter Trial to Evaluate the Insertion Characteristics of the Radiopaque Etonogestrel Implant Using a Next Generation Applicator (34530)(P05702) (NCT00620035) | Organon and Co | 2007-03-01 |
| Oral Versus Patch Hormonal Contraceptive Effects on Metabolism, Clotting, Inflammatory Factors and Vascular Reactivity (NCT00439972) | University of Washington | 2007-02-01 |
| Study of the Safety, Efficacy and Cycle Control of a Contraceptive Vaginal Ring (NCT00455156) | Premier Research | 2006-12-01 |
| Assessment of the Pharmacodynamic Effect on Plasma Folate and Red Blood Cell Folate and Comparison of the Folate Metabolites During the 24 Weeks of Treatment (Yasmin + Metafolin Versus Yasmin + Folic Acid) Followed by a 20 Week Elimination Phase of Folate (NCT01258660) | Bayer | 2006-12-01 |
| Oral Androgens in Man-4: (Short Title: Oral T-4) (NCT00399165) | University of Washington | 2006-11-01 |
| Relative Risks for Non-fatal Venous Thromboembolism, Ischemic Stroke and Myocardial Infarction in Users of ORTHO EVRA(Norelgestromin and Ethinyl Estradiol Contraceptive Patch) Compared to Levonorgestrel-containing Oral Contraceptives. (NCT00511784) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2006-11-01 |
| Study of Safety and Efficacy of an Oral Contraceptive (NCT00391807) | Warner Chilcott | 2006-11-01 |
| Effects on Ovarian Function of the Combined Oral Contraceptive NOMAC-E2 Compared to a COC Containing DRSP/EE (292003)(COMPLETED)(P05723) (NCT00511433) | Organon and Co | 2006-10-01 |
| Investigation of Bioequivalence of Ethinylestradiol (EE) and Drospirenone (DRSP) in Two Different Tablet Formulations: YAZ and YAZ + Levomefolate Calcium (Metafolin) & L-5-MTHF in Two Different Tablet Formulations: Levomefolate Calcium (Metafolin) and YAZ + Levomefolate Calcium (Metafolin) (NCT01253187) | Bayer | 2006-10-01 |
| Bleeding Pattern and User Satisfaction During Second Consecutive MIRENA® in Contraception and Treatment of Menorrhagia (NCT00393198) | Bayer | 2006-10-01 |
| Effects on Hemostasis, Lipids, Carbohydrate Metabolism, Adrenal & Thyroid Function of the Combined Oral Contraceptive NOMAC-E2 Compared to a COC Containing LNG-EE (292004)(COMPLETED)(P05764) (NCT00511355) | Organon and Co | 2006-10-01 |
| Effects on Bone Mineral Density (BMD) of the Combined Oral Contraceptive NOMAC-E2 Compared to a COC Containing LNG/EE (292005)(P05765)(COMPLETED) (NCT00511342) | Organon and Co | 2006-09-01 |
| Open-Label Study to Evaluate the Safety and Efficacy of a Low-Dose 28-Day Oral Contraceptive (NCT00362479) | Duramed Research | 2006-08-01 |
| Investigation of Bioequivalence of Ethinylestradiol (EE) and Drospirenone (DRSP) in Two Different Tablet Formulations: Yasmin and Yasmin + Levomefolate Calcium (Metafolin) & L-5-MTHF in Two Different Tablet Formulations: Levomefolate Calcium (Metafolin) and Yasmin + Levomefolate Calcium (Metafolin) (NCT01253174) | Bayer | 2006-08-01 |
| Pharmacist-Administered Injections for Contraception (NCT00775047) | University of North Carolina, Chapel Hill | 2006-08-01 |
| Efficacy and Safety Study of the Combined Oral Contraceptive NOMAC-E2 Compared to a COC Containing DRSP/EE (292002)(P05722) (NCT00413062) | Organon and Co | 2006-06-01 |
| Study of Bleeding With Extended Administration of an Oral Contraceptive (NCT00338052) | Warner Chilcott | 2006-06-01 |
| Continuous Versus Cyclic Use of Oral Contraceptive Pills in Adolescents (NCT00326404) | The Hospital for Sick Children | 2006-05-01 |
| Oral Contraceptive Efficacy and Body Weight (NCT00662454) | Oregon Health and Science University | 2006-01-01 |
| Safety and Efficacy of a Contraceptive Vaginal Ring Delivering Nestorone® and Ethinyl Estradiol (NCT00263341) | Population Council | 2005-12-01 |
| HR-QoL and Sexuality in Mirena Inserted Contraception Users (NCT00498784) | Bayer | 2005-11-01 |
| NES Gel-1, To Evaluate Nestorone Gel in Combination With Testosterone Gel (NCT00229593) | University of Washington | 2005-09-01 |
| Effects of St. John's Wort on the Oral Contraceptive Hormone Levonorgestrel (NCT00131885) | University of Utah | 2005-08-01 |
| International Active Surveillance Study of Women Taking Oral Contraceptives (INAS-OC) (NCT00335257) | Center for Epidemiology and Health Research, Germany | 2005-08-01 |
| Glycosphingolipid Inhibition and Spermatogenesis in Man: A Pilot Study (MIG 2) (NCT00194649) | University of Washington | 2005-06-01 |
| PARIS or PAtch RIng Study: A Trial to Evaluate NuvaRing Versus OrthoEvra (NCT00269620) | University of Pittsburgh | 2005-06-01 |
| Open-label Study to Evaluate the Efficacy and Safety of an Extended-cycle, Low Dose Combination Oral Contraceptive (NCT00196326) | Duramed Research | 2005-06-01 |
| Post-marketing, Observational Study to Confirm the Safety and Efficacy of MARVELON (Study P06083) (NCT01005056) | Organon and Co | 2005-05-01 |
| Bioequivalence Study of the Oral Contraceptive Tablet Containing Norgestimate (NGM)/Ethinyl Estradiol (EE) With or Without Folic Acid in Healthy Women. (NCT00709189) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2005-05-01 |
| A Bioequivalence Study of IMPLANON and Radiopaque IMPLANON (34528)(P05720) (NCT00620464) | Organon and Co | 2005-05-01 |
| Dose-finding Study for the Ultralow-dose Levonorgestrel Intrauterine Contraceptive System (LCS) (NCT00185380) | Bayer | 2005-04-01 |
| Efficacy and Safety Study of an Oral Contraceptive in Healthy Females (NCT00206583) | Bayer | 2005-03-01 |
| Comparative Cycle Control Europe (NCT00185367) | Bayer | 2005-03-01 |
| Metabolism Study to Investigate the Impact of a Sequential Oral Contraceptive (NCT00185224) | Bayer | 2005-03-01 |
| Breastfeeding and Oral Contraceptives: a Randomized, Controlled Trial (NCT01465022) | University of New Mexico | 2005-01-01 |
| A Drug Interaction Study of Folic Acid and Oral Contraceptive Tablets Containing Norgestimate (NGM)/Ethinyl Estradiol (EE) in Healthy Women. (NCT00709332) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2005-01-01 |
| Contraceptive Effectiveness Trial of Cellulose Sulfate Gel (NCT00255294) | CONRAD | 2005-01-01 |
| FC Patch Comparator Study (NCT00185354) | Bayer | 2004-11-01 |
| A Comparison of Continuation Rates for Three Hormonal Contraceptive Methods (NCT00253019) | Emory University | 2004-10-01 |
| The Effects of Testosterone on Prostate Tissue (ACYP-1) (NCT00161486) | University of Washington | 2004-07-01 |
| Male Hormonal Contraceptive Development-ACY-5 (NCT00161447) | University of Washington | 2004-05-01 |
| Study to Investigate Efficacy and Safety of a New Oral Contraceptive (NCT00185289) | Bayer | 2004-04-01 |
| A Study to Evaluate the Hormone Exposure From Multiple Commercial Lots of ORTHO EVRA (a Transdermal Contraceptive Patch) (NCT00258076) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2004-04-01 |
| A Trial in Healthy Female Subjects to Compare the Pharmacokinetics of Ethinyl Estradiol of NuvaRing®, a Contraceptive Patch (EVRA(TM)) and an Oral Contraceptive (Microgynon® 30) (Study 34237 (P06650)) (COMPLETED) (NCT01044056) | Organon and Co | 2004-03-01 |
| Efficacy and Safety Oral Contraceptive Study (NCT00185484) | Bayer | 2004-03-01 |
| Yasmin 20 Cycle Control - Yasmin 20 Versus Mercilon in Healthy Female Volunteers (NCT00624130) | Bayer | 2004-03-01 |
| Pearl Index Study With Low Dose Combined Oral Contraceptive (NCT00220324) | Bayer | 2004-02-01 |
| Open Label Study of the Safety and Contraceptive Efficacy of BufferGel® With Diaphragm (NCT00397670) | ReProtect Inc | 2004-01-01 |
| Low Dose Continuous Administration of the Progesterone Receptor Modulator VA2914 (NCT00456924) | HRA Pharma | 2004-01-01 |
| A Clinical Study on Yasmin® vs. Marvelon® in Chinese Women Requiring Contraception (NCT00185419) | Bayer | 2003-11-01 |
| Hormonal Contraception in Healthy Young Men (P42306)(COMPLETED)(P06057) (NCT00403793) | Organon and Co | 2003-10-01 |
| Mirena Efficiency and Tolerability During the First Year of Use (NCT00696202) | Bayer | 2003-09-01 |
| Evaluation of Women's Experience With EVRA (Norelgestromin + Ethinyl Estradiol) Transdermal Contraceptive Patch Compared With Previous Methods of Contraception. (NCT00261482) | Janssen Pharmaceutica N.V., Belgium | 2003-07-01 |
| A Multicenter Study to Evaluate the Safety of Seasonique, an Oral Contraceptive. (NCT00196352) | Duramed Research | 2003-05-01 |
| Effects of Hormonal Contraceptives on Liver Proteins and Coagulation Factors: A Comparison of a Contraceptive Vaginal Ring and an Oral Contraceptive (NCT00213096) | Population Council | 2003-03-01 |
| Study Evaluating Levonorgestrel and Ethinyl Estradiol for Oral Contraception (NCT00245921) | Wyeth is now a wholly owned subsidiary of Pfizer | 2003-02-01 |
| Quick Start Approach to Birth Control Pills (NCT00068848) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2003-02-01 |
| An Open-label Study to Evaluate Contraceptive Efficacy and Safety of the Transdermal Contraceptive System of Norelgestromine and Ethinyl Estradiol (NCT00307632) | Janssen-Cilag Farmaceutica Ltda. | 2003-02-01 |
| A Comparative Pharmacokinetic Study of ORTHO EVRA (a Transdermal Contraceptive Patch) and CILEST (an Oral Contraceptive) in Healthy Female Volunteers (NCT00254865) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2002-08-01 |
| Postmarketing Study of ORTHO EVRA (Norelgestromin and Ethinyl Estradiol Contraceptive Patch) in Relation to Venous Thromboembolism (Blood Clots), Stroke and Heart Attacks (NCT00331071) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2002-04-01 |
| A Postmarketing Study of the Risk of Venous Thromboembolism (Blood Clots), Myocardial Infarction (Heart Attacks), and Stroke Among Women Using ORTHO EVRA (Norelgestromin and Ethinyl Estradiol Contraceptive Patch) Compared With Women Who Take Oral Contraceptives for Birth Control (NCT00377988) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 2002-04-01 |
| Administration of Oral Contraceptives at Different Times of the Follicular Phase of the Menstrual Cycle (NCT00204438) | University of Saskatchewan | 2002-02-01 |
| Effects of St. John's Wort on the Effectiveness of Oral Contraceptives (NCT00026013) | National Center for Complementary and Integrative Health (NCCIH) | 2002-01-01 |
| A Study to Investigate the Contraceptive Efficacy and Safety of a Subdermal Etonogestrel Implant (Implanon®)(P06473)(COMPLETED) (NCT00725413) | Organon and Co | 2001-11-01 |
| Emergency Contraception (ECP): Reducing Unintended Pregnancies (NCT00067509) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2001-06-01 |
| European Active Surveillance Study (EURAS) (NCT00302848) | Center for Epidemiology and Health Research, Germany | 2000-11-01 |
| Stage Matched Intervention to Increase Dual Method Use (NCT00436306) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 1999-10-01 |