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Showing 1–24 of 94 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: norgestrel Clear all
Completed No phase listed Observational Accepts healthy volunteers

Contraceptive Hormones, Immunity, and Microbiome Evaluation

NCT03660046
View directory record Official record
Conditions
Hormonal Contraception
Interventions
Depot medroxyprogesterone acetate (DMPA), Etonogestrel implant (Eng-Implant), Levonorgestrel IUD (Lng-IUD)
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 45 Years · Female only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Assess the Effect of ABBV-722 on Ethinyl Estradiol and Levonorgestrel Drug Levels in Healthy Adult Female Participants

NCT07502417
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Ethinyl Estradiol + Levonorgestrel, ABBV-722
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Grayslake, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 12, 2026, 11:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Quantification of Immune Cells in Women Using Contraception (CHIC II)

NCT01873170
View directory record Official record
Conditions
HIV, Immune Cells (Mucosal and Systemic), Contraception
Interventions
levonorgestrel exposure, DMPA exposure, etonogestrel exposure, IUD insertion, subdermal contraceptive implant insertion
Drug · Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 26, 2021 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effectiveness of Orally Dosed Emergency Contraception in Obese Women - LNG

NCT02863445
View directory record Official record
Conditions
Obesity
Interventions
Levonorgestrel-based emergency contraception 1.5 mg, Levonorgestrel-based emergency contraception 3.0mg
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Home-based Delivery of the Contraceptive Implant in Postpartum Guatemalan Women

NCT04005391
View directory record Official record
Conditions
Postpartum
Interventions
Offer of Participant's Choice of Contraception Method
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years to 35 Years · Female only
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 1, 2021 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 2 Interventional Results available

Transdermal Estrogen in Older Premenopausal Women With Anorexia Nervosa

NCT02475265
View directory record Official record
Conditions
Anorexia Nervosa, Osteoporosis
Interventions
estradiol 0.045 mg/levonorgestrel 0.015mg
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Sep 12, 2026, 11:09 PM EDT
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 2, 2013 · Synced Sep 12, 2026, 11:09 PM 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 14, 2019 · Synced Sep 12, 2026, 11:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

KYleena Satisfaction Study / Observational Study on User Satisfaction With the Levonorgestrel Intrauterine Delivery System Kyleena (LNG-IUS 12) in New Contraceptive Users and After Switching From Another Contraceptive Method

NCT03182140
View directory record Official record
Conditions
Contraception
Interventions
Kyleena
Drug
Lead sponsor
Bayer
Industry
Eligibility
Female only
Enrollment
1,134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
12
States / cities
Lakewood, Colorado • Sarasota, Florida • Wellington, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Emergency Contraception Actual Use Study

NCT00777556
View directory record Official record
Conditions
Emergency Contraception
Interventions
DR-104
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
11 Years to 16 Years · Female only
Enrollment
343 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
5
States / cities
San Francisco, California • Atlanta, Georgia • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2012 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 1 Interventional

A Study of ABBV-295 Subcutaneous Injections to Assess Pharmacokinetics and Adverse Events in Healthy Adult Women Participants With Overweight or Obesity Taking Oral Contraceptives

NCT07414784
View directory record Official record
Conditions
Healthy Volunteer
Interventions
ABBV-295, Levonorgestrel/Ethinyl Estradiol
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Anaheim, California • Grayslake, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Compare Daily Ulipristal Acetate and Combined Oral Contraceptive Effects on Breast Epithelial Cell Proliferation

NCT02922127
View directory record Official record
Conditions
Contraception
Interventions
Ulipristal Acetate, Combined Oral Contraceptive Pill
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2020 · Synced Sep 12, 2026, 11:09 PM 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 24, 2014 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect on Primary Dysmenorrhea

NCT00909857
View directory record Official record
Conditions
Primary Dysmenorrhea
Interventions
Estradiol valerate, Dienogest (Natazia, Qlaira, BAY86-5027), Ethinyl estradiol, Levonorgestrel (Miranova), Placebo Match to SH T00658ID, Placebo Match to SH D593B
Drug
Lead sponsor
Bayer
Industry
Eligibility
14 Years to 50 Years · Female only
Enrollment
507 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
10
States / cities
Tucson, Arizona • San Diego, California • Hialeah, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2015 · Synced Sep 12, 2026, 11:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Copper T380A IUD vs. Oral Levonorgestrel for Emergency Contraception

NCT00966771
View directory record Official record
Conditions
Pregnancy
Interventions
Copper T380 IUD, Oral levonorgestrel
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Advance Supply of Emergency Contraception Compared to Routine Postpartum Care in Teens

NCT00433004
View directory record Official record
Conditions
Post Partum
Interventions
Plan B (Levonorgestrel)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 4 Interventional Results available

BLIS - Breastfeeding Levonorgestrel IUD Study

NCT01990703
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel IUD
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Albuquerque, New Mexico • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess CYP3A4 Modulator, Oral Contraceptive, and pH Modifier Drug Interactions for ABI-H2158 in Healthy Adults

NCT04142762
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
ABI-H2158, Itraconazole, Rifampin, Midazolam, Ethinyl Estradiol / Levonorgestrel, Esomeprazole, Placebo matching oral contraceptive
Drug
Lead sponsor
Assembly Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Sep 12, 2026, 11:09 PM 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 13, 2024 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PK and Safety Study of Vaginal Rings Containing Dapivirine and Levonorgestrel

NCT02855346
View directory record Official record
Conditions
HIV Prevention
Interventions
200 mg of DPV + 320 mg LNG, 200 mg of DPV
Combination Product
Lead sponsor
International Partnership for Microbicides, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Sep 12, 2026, 11:09 PM 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 23, 2013 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of a Levonorgestrel 52 mg Intrauterine System for the Treatment of Heavy Menstrual Bleeding

NCT03642210
View directory record Official record
Conditions
Menorrhagia
Interventions
Levonorgestrel 52 mg intrauterine system
Combination Product
Lead sponsor
Medicines360
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
29
States / cities
Scottsdale, Arizona • Sacramento, California • San Diego, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Multicenter Study to Evaluate the Effects of a 91-day Oral Contraceptive on Bone Mineral Density in Adolescent Females

NCT00924560
View directory record Official record
Conditions
Bone Mineral Density
Interventions
91-day Levonorgestrel Oral Contraceptive, 28-day Levonorgestrel Oral Contraceptive
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
12 Years to 18 Years · Female only
Enrollment
1,361 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
46
States / cities
Phoenix, Arizona • Tucson, Arizona • North Little Rock, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2014 · Synced Sep 12, 2026, 11:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of CTP-543 and Oral Contraceptives in Healthy Female Subjects

NCT04309643
View directory record Official record
Conditions
Healthy Volunteers
Interventions
CTP-543, Combined oral contraceptive containing Ethinyl estradiol (EE) and Levonorgestrel (LNG)
Drug
Lead sponsor
Concert Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Sep 12, 2026, 11:09 PM EDT