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ClinicalTrials.gov public records Last synced Oct 22, 2026, 7:03 AM EDT

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Showing 1–24 of 204 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Levonorgestrel Clear all
Completed Phase 2 Interventional

Hormone Therapy in Preventing Endometrial Cancer in Patients With a Genetic Risk For Hereditary Nonpolyposis Colon Cancer

NCT00033358
View directory record Official record
Conditions
Endometrial Cancer
Interventions
medroxyprogesterone, ethinyl estradiol, norgestrel, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
25 Years to 50 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Adrenal and Gonadal Hormone Replacement in Anorexia Nervosa

NCT00310791
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Hormone replacement therapy (estrogen/progestin), Placebo (Sugar Pill), Dehydroepiandrosterone (DHEA)
Drug · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
15 Years to 30 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of PF-06651600 on the Pharmacokinetics of Oral Contraceptive Steroids

NCT04018274
View directory record Official record
Conditions
Healthy
Interventions
PF-06651600, Ethinyl estradiol (EE) and levonorgestrel(LN)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Coral Gables, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamics and Pharmacokinetics Study of Existing DMPA Contraceptive Methods

NCT02456584
View directory record Official record
Conditions
Contraception
Interventions
DMPA 150, DMPA 300, DMPA 104
Drug
Lead sponsor
FHI 360
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn If the Study Medicine Called PF-08049820 Changes How the Body Processes the Other Study Medicines Called Oral Contraceptives, Midazolam, and Dabigatran in Healthy Adult Female Participants

NCT07190430
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
PF-08049820, Midazolam, Dabigatran Etexilate, Portia (EE and LN) or equivalent oral tablet
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 22, 2026, 7:03 AM EDT
Withdrawn No phase listed Observational

The Effect of Birth Control Methods on Anti-Mullerian Hormone (AMH) Levels

NCT01308931
View directory record Official record
Conditions
Birth Control
Interventions
Not listed
Lead sponsor
Valleywise Health
Other
Eligibility
25 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Phoenix, Arizona • Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Truclear on Patient Quality of Life

NCT02934789
View directory record Official record
Conditions
Heavy Menstrual Bleeding
Interventions
Hysteroscopic myomectomy with Truclear, Medical therapy
Procedure · Drug
Lead sponsor
All For Women Healthcare, Illinois
Other
Eligibility
21 Years to 80 Years · Female only
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 27, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Withdrawn Phase 4 Interventional

Changes in Oral Contraceptive Hormones After Gastric Bypass Surgery

NCT01941134
View directory record Official record
Conditions
Bariatric Surgery Candidate, Contraception
Interventions
ethinyl estradiol-levonorgestrel
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety, Tolerability, PK, ECG Effects, Food Effect, and Drug-drug Interaction (DDI) of Hormonal Contraceptives of PTI-428 in Healthy Female Volunteers

NCT02846142
View directory record Official record
Conditions
Healthy Volunteer
Interventions
PTI-428, Placebo, ethinyl estradiol and levonorgestrel
Drug · Other
Lead sponsor
Proteostasis Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated May 24, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Efficacy and Safety of DR-103 for the Prevention of Pregnancy

NCT00996580
View directory record Official record
Conditions
Pregnancy Prevention
Interventions
DR-103
Drug
Lead sponsor
Teva Women's Health
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
3,597 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
94
States / cities
Montgomery, Alabama • Phoenix, Arizona • Tucson, Arizona + 83 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Oct 22, 2026, 7:03 AM EDT
Terminated Phase 4 Interventional Results available

Treatment of Unacceptable Bleeding Patterns in ETG Implant Users With an Oral Contraceptive

NCT01963403
View directory record Official record
Conditions
Abnormal Uterine Bleeding, Unspecified, Uterine Bleeding Heavy
Interventions
EE 30mcg/LNG 150mcg, Placebo
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
14 Years and older · Female only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Sacramento, California • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 12, 2017 · Synced Oct 22, 2026, 7:03 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

A Multicenter Analysis of Levonorgestrel-Intrauterine System (LNG-IUS) Use in the Postpartum Period

NCT01161095
View directory record Official record
Conditions
Contraception, Postpartum Period
Interventions
LNG-IUS
Device
Lead sponsor
United States Naval Medical Center, Portsmouth
Federal
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Little Rock, Arkansas • Portsmouth, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 22, 2026, 7:03 AM EDT
Not yet recruiting Early Phase 1 Interventional

Tirzepatide and Levonorgestrel IUD Therapy for EIN and Early-Stage Endometrial Cancer

NCT07812636
View directory record Official record
Conditions
Grade 1 Endometrial Endometrioid Carcinoma, Endometrial Intraepithelial Neoplasia, Metabolic Comorbidities
Interventions
Tirzepatide
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 22, 2026, 7:03 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

A Study of a Levonorgestrel-Releasing Intrauterine System for Long-Term, Reversible Contraception

NCT00995150
View directory record Official record
Conditions
Contraception
Interventions
LNG20, Mirena
Drug
Lead sponsor
Medicines360
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
1,910 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2021
U.S. locations
25
States / cities
Phoenix, Arizona • Palo Alto, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, PK, and PD Study of IVRs Releasing TFV and LNG

NCT03279120
View directory record Official record
Conditions
Anti-Infective Agents, Anti-Retroviral Agents, Contraceptive Usage
Interventions
TFV/LNG IVR, Placebo
Drug
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 3 Interventional

Safety and Contraceptive Efficacy of an Intravaginal Ring With LNG (Levonorgestrel) Over One Year in Healthy Women

NCT02403401
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel (BAY98-7196)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
1,471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
79
States / cities
Mobile, Alabama • Chandler, Arizona • Mesa, Arizona + 67 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Drug Interaction Between Povorcitinib and the Oral Contraceptive Levonorgestrel/Ethinyl Estradiol in Healthy Adult Females

NCT06380205
View directory record Official record
Conditions
Healthy Participants
Interventions
Povorcitinib, Levonorgestrel/Ethinyl estradiol
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 22, 2026, 7:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Contraceptive Safety and Effectiveness in Cystic Fibrosis

NCT04568980
View directory record Official record
Conditions
Cystic Fibrosis, Contraception
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
562 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
10
States / cities
Birmingham, Alabama • San Diego, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug Interaction Study of BIIB074 and an Oral Contraceptive Regimen

NCT03324685
View directory record Official record
Conditions
Drug Interactions
Interventions
BIIB074, OC (ethinyl estradiol and levonorgestrel)
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 4 Interventional Results available

Postpartum Levonorgestrel-releasing Intrauterine System and Breastfeeding

NCT01555931
View directory record Official record
Conditions
Postpartum Contraception
Interventions
Levonorgestrel-releasing intrauterine system
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 25, 2014 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized Controlled Trial of Oral Naproxen and Transdermal Estradiol for Bleeding in LNG-IUC

NCT00789802
View directory record Official record
Conditions
Contraception, Bleeding
Interventions
transdermal estradiol, naproxen, oral placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Does Skyla Insertion Timing Impact Bleeding?

NCT03074903
View directory record Official record
Conditions
Vaginal Bleeding
Interventions
Intrauterine system
Device
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
3
States / cities
Morristown, New Jersey • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 4 Interventional Results available

Women With Epilepsy: a Pilot Study of PK and PD Anti-epileptic Drug Effects in Levonorgestrel Intrauterine System Users

NCT02362373
View directory record Official record
Conditions
Epilepsy, Contraception
Interventions
levonorgestrel IUS
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 18, 2016 · Synced Oct 22, 2026, 7:03 AM EDT
Completed Phase 3 Interventional

Study Evaluating Combination of Levonorgestrel (LNG) and Ethinyl Estradiol (EE) in Premenstrual Dysphoric Disorder

NCT00128934
View directory record Official record
Conditions
Menstruation Disturbances, Premenstrual Syndrome
Interventions
levonorgestrel/ethinyl estradiol
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
744 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
69
States / cities
Scottsdale, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 61 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2007 · Synced Oct 22, 2026, 7:03 AM EDT