Not applicableStudy completedNCT00868153What this trial is testingMirena in Idiopathic MenorrhagiaWho this might be right forIdiopathic Menorrhagia Bayer 1,125
Not applicableStudy completedNCT01022645What this trial is testingPostpartum Glucose Tolerance With Levonorgesterel IUD Use in Women With Recent Gestational DiabetesWho this might be right forGestational DiabetesGlucose IntoleranceType 2 Diabetes+1 more Northwestern University 42
Early research (Phase 1)Study completedNCT03210246What this trial is testingDrug-drug Interaction Study: Influence of Vilaprisan on Pharmacodynamics (PD) and Pharmacokinetics (PK) of a Combined Oral Contraceptive (COC)Who this might be right forClinical Trial ,Phase I Bayer 71
Large-scale testing (Phase 3)Study completedNCT00245921What this trial is testingStudy Evaluating Levonorgestrel and Ethinyl Estradiol for Oral ContraceptionWho this might be right forContraception Wyeth is now a wholly owned subsidiary of Pfizer 2,000
Not applicableStudy completedNCT03153709What this trial is testingProspective Cohort Evaluating Pregnancy Rates, PK Interactions Among HIV+ Women on EFV Initiating LNG Implant or DMPAWho this might be right forHIV Infections University of North Carolina, Chapel Hill 1,382
Early research (Phase 1)Study completedNCT01073904What this trial is testingCross-over Study to Prove Bioequivalence Between Two Oral Formulations of Levonorgestrel 1.5 mgWho this might be right forContraceptives, Postcoital Bayer 32
Large-scale testing (Phase 3)Looking for participantsNCT06727734What this trial is testingLevonorgestrel-piroxicam Versus Ulipristal Acetate for Emergency ContraceptionWho this might be right forContraception The University of Hong Kong 980
Not applicableStudy completedNCT01496898What this trial is testingChanges in Vaginal, Cervical and Uterine Microflora With Levonorgestrel Intrauterine Device PlacementWho this might be right forHuman MicrobiomeMetagenomeContraception+1 more University of Utah 13
Testing effectiveness (Phase 2)Study completedNCT00445887What this trial is testingLevonorgestrel in Preventing Ovarian Cancer in Patients at High Risk for Ovarian CancerWho this might be right forOvarian Carcinoma Gynecologic Oncology Group 60
Post-approval studies (Phase 4)Study completedNCT02534688What this trial is testingEffectiveness of Levonorgestrel-intrauterine System (LNG-IUS) Versus Depot Medroxyprogesterone Acetate (DMPA) in Treatment of Pelvic Pain in Clinically Diagnosed Endometriotic PatientsWho this might be right forEndometriosis King Chulalongkorn Memorial Hospital 50
Large-scale testing (Phase 3)Study completedNCT00248963What this trial is testingStudy Evaluating Levonorgestrel and Ethinyl Estradiol in Oral ContraceptionWho this might be right forOral Contraceptive Wyeth is now a wholly owned subsidiary of Pfizer 600
Early research (Phase 1)Study completedNCT06513104What this trial is testingA Research Study Looking Into the Effect of NNC0519-0130 on Blood Levels of a Birth Control Pill and Emptying of the Stomach in Women After MenopauseWho this might be right forDiabetes Mellitus, Type 2 Novo Nordisk A/S 47
Large-scale testing (Phase 3)UnknownNCT02021097What this trial is testingStudy Evaluating Levonorgestrel and Ethinyl Estradiol for Oral ContraceptionWho this might be right forOral Contraceptive Regenex Pharmaceutical, China 1,008
Large-scale testing (Phase 3)Study completedNCT00220324What this trial is testingPearl Index Study With Low Dose Combined Oral ContraceptiveWho this might be right forContraception Bayer 840
Large-scale testing (Phase 3)UnknownNCT04007874What this trial is testingOral Contraceptive Pill Compared With Vitamin E in Women With MigraineWho this might be right forMigraineMigraine;Menstrual Leiden University Medical Center 360
Large-scale testing (Phase 3)Ended earlyNCT02616146What this trial is testingEfficacy and Safety of Etonogestrel + 17β-Estradiol Vaginal Ring and Levonorgestrel-Ethinyl Estradiol Combined Oral Contraceptive in Adult Women at Risk for Pregnancy (MK-8342B-062)Who this might be right forContraception Organon and Co 2,016
Early research (Phase 1)Study completedNCT06380205What this trial is testingEvaluate the Drug Interaction Between Povorcitinib and the Oral Contraceptive Levonorgestrel/Ethinyl Estradiol in Healthy Adult FemalesWho this might be right forHealthy Participants Incyte Corporation 24
Not applicableStudy completedNCT01539720What this trial is testingLevonorgestrel Intrauterine System For Emergency ContraceptionWho this might be right forPregnancy, UnplannedPregnancy; Accident Planned Parenthood of the St. Louis Region and Southwest Missouri 274
Post-approval studies (Phase 4)Study completedNCT02824224What this trial is testingTamoxifen to Reduce Unscheduled Bleeding in New Users of the Levonorgestrel-releasing Intrauterine System (LNG-IUS)Who this might be right forMenorrhagiaMetrorrhagiaMedicated Intrauterine Devices Oregon Health and Science University 42
Not applicableStudy completedNCT02155166What this trial is testingEffect of Intracervical on the Pain Associated With the Insertion of the LNG-IUSWho this might be right forPain University of Sao Paulo 100