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ClinicalTrials.gov public records Last synced Sep 26, 2026, 10:41 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oral levonorgestrel Clear all
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 11, 2017 · Synced Sep 26, 2026, 10:41 AM 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 26, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Results available

Medical Therapy Versus Radiofrequency Endometrial Ablation in the Initial Treatment of Menorrhagia

NCT01165307
View directory record Official record
Conditions
Menorrhagia
Interventions
Estradiol 30mcg / Levonorgestrel 150mcg monophasic oral contraceptive pills, Naproxen sodium pills, NovaSure® Radiofrequency Endometrial Ablation
Drug · Device
Lead sponsor
Abimbola Famuyide
Other
Eligibility
30 Years to 55 Years · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 3 Interventional

A Study to Evaluate the Efficacy of Seasonique for the Treatment of Cyclic Pelvic Pain

NCT00196365
View directory record Official record
Conditions
Dysmenorrhea
Interventions
levonorgestrel/EE 0.15/0.03 and EE 0.01 mg tablets, levonorgestrel/EE 0.15/0.03 mg tablets and placebo
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
18
States / cities
Huntsville, Alabama • Phoenix, Arizona • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 11, 2014 · Synced Sep 26, 2026, 10:41 AM EDT
Completed No phase listed Observational Results available

Same Day Oral EC and Implant Initiation

NCT04678817
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel contraceptive implant with oral levonorgestrel, Levonorgestrel intrauterine device, Copper T380A intrauterine device
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect Of Multiple Dose PF-06700841 On The Pharmacokinetics Of Single Dose Oral Contraceptive Steroids

NCT04267250
View directory record Official record
Conditions
Healthy Female Volunteers
Interventions
PF-06700841, Ethinyl estradiol (EE) and levonorgestrel (LN)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Coral Gables, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

A Multicenter Study to Evaluate the Efficacy of a 91-Day Extended Cycle Oral Contraceptive for Menstrually-Related Migraine Headaches

NCT00781456
View directory record Official record
Conditions
Migraine
Interventions
91-day Levonorgestrel Oral Contraceptive, Placebo
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 34 Years · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
22
States / cities
La Mesa, California • San Diego, California • San Francisco, California + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced Sep 26, 2026, 10:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Modulation of Immunity by Hormonal Contraceptives

NCT02011711
View directory record Official record
Conditions
Contraception
Interventions
Not listed
Lead sponsor
Thomas L. Cherpes
Other
Eligibility
15 Years to 25 Years · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Does Concomitant Use of Combined Oral Hormonal Steroids Stop Bleeding in Women Using Etonogestrel Implants (Implanon/Nexplanon®)?: A Randomized Controlled Study

NCT01968135
View directory record Official record
Conditions
Uterine Hemorrhage, Contraception
Interventions
Combined Oral Contraceptive Pill, Placebo Sugar Pill
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 4, 2016 · Synced Sep 26, 2026, 10:41 AM 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 26, 2026, 10:41 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 20, 2018 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Comparing Two Manufacturing Processes for Levonorgestrel 90 mg/Ethinyl Estradiol 20 mg (LNG/EE) in Healthy, Cycling Women

NCT00319163
View directory record Official record
Conditions
Healthy
Interventions
levonorgestrel/ethinyl estradiol
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 6, 2009 · Synced Sep 26, 2026, 10:41 AM EDT
Completed No phase listed Observational

Study of the Copper IUD or Oral Levonorgestrel and the Levonorgestrel IUD for Women Seeking Emergency Contraception

NCT01963962
View directory record Official record
Conditions
Emergency Contraception
Interventions
Copper IUD, Levonorgestrel IUD
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 7, 2016 · Synced Sep 26, 2026, 10:41 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Research Study Looking Into How NNC0662-0419 Works With Birth Control Pills and Emptying of the Stomach in Women Not Able to Become Pregnant With Excess Body Weight

NCT07525791
View directory record Official record
Conditions
Overweight, Obesity
Interventions
NNC0662-0419, Oral contraceptive, Acetaminophen
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 64 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Potential Drug Interaction Study Between Vemircopan and Rosuvastatin, Metformin, Levonorgestrel/Ethinyl Estradiol-containing Oral Contraceptives, and Carbamazepine

NCT06071442
View directory record Official record
Conditions
Healthy Participants
Interventions
Vemircopan, Rosuvastatin, Metformin, Levonorgestrel / Ethinyl Estradiol, Carbamazepine
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy of Seasonique for the Treatment of Cyclic Pelvic Pain

NCT00196313
View directory record Official record
Conditions
Dysmenorrhea
Interventions
levonorgestrel/EE 0.15/0.03 and EE 0.01 mg tablets, Placebo tablet
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
Up to 17 Years · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
13
States / cities
Denver, Colorado • Decatur, Georgia • Louisville, Kentucky + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2016 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

AG200-15 Transdermal Contraceptive Delivery System (TCDS) of Levonorgestrel and Ethinyl Estradiol

NCT01243580
View directory record Official record
Conditions
Healthy
Interventions
Ortho-Cyclen, AG200-15
Drug
Lead sponsor
Agile Therapeutics
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 26, 2026, 10:41 AM 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 26, 2026, 10:41 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Transdermal Contraceptive Delivery System (TCDS), Also Known as AG200-15 Patch Arm

NCT01236768
View directory record Official record
Conditions
Contraception
Interventions
AG200-15, Levora
Drug
Lead sponsor
Agile Therapeutics
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
21
States / cities
Mobile, Alabama • Green Valley, Arizona • Tucson, Arizona + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Bleeding Patterns With Three Different Doses of DR-1031 Compared to Seasonale

NCT00394771
View directory record Official record
Conditions
Breakthrough Bleeding
Interventions
DR-1031, Seasonale®, Portia®
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
567 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
50
States / cities
Huntsville, Alabama • Tucson, Arizona • Little Rock, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2013 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Multicenter Study to Evaluate the Safety of Seasonique, an Oral Contraceptive.

NCT00196352
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel/EE 0.15/0.03 mg and EE 0.01 mg tablets
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
11
States / cities
Tucson, Arizona • Washington D.C., District of Columbia • Lincoln, Nebraska + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetic Study to Evaluate Double-Dose Levonorgestrel Emergency Contraception in Combination With Efavirenz-Based Antiretroviral Therapy or Rifampicin-Containing Anti-Tuberculosis Therapy

NCT03819114
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Levonorgestrel (LNG)
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
16 Years and older · Female only
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
7
States / cities
Chicago, Illinois • New York, New York • Chapel Hill, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2021 · Synced Sep 26, 2026, 10:41 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effect of Vimseltinib on Pharmacokinetics of Combined Oral Contraceptive (Ethinyl Estradiol/Levonorgestrel)

NCT07539090
View directory record Official record
Conditions
Healthy Participants
Interventions
Vimseltinib, Combined Oral Contraceptive (COC) (ethinyl estradiol [EE]/levonorgestrel [LNG])
Drug
Lead sponsor
Deciphera Pharmaceuticals, LLC
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Oral Contraceptive Efficacy and Body Weight

NCT00662454
View directory record Official record
Conditions
Contraception, Body Weight
Interventions
ethinyl estradiol / levonorgestrel
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 26, 2026, 10:41 AM EDT