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ClinicalTrials.gov public records Last synced Sep 18, 2026, 7:35 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Healthy Females
Interventions
PF-04965842, Ethinyl estradiol (EE) and levonorgestrel (LN)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect on Primary Dysmenorrhea

NCT00909857
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
Completed Not applicable Interventional Accepts healthy volunteers

Hormonal Birth Control and the Risk of Acquiring HIV

NCT00006324
Conditions
HIV Infections
Interventions
Ethinyl estradiol/levonorgestrel, Medroxyprogesterone acetate
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
16 Years to 35 Years · Female only
Enrollment
6,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

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

NCT01873170
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
Conditions
Healthy Participants
Interventions
AZD6234, Ethinyl estradiol/Levonorgestrel (EE/LEVO), Acetaminophen (APAP), AZD9550
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Glendale, California • Brooklyn, Maryland
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Oral Contraceptives and Body Mass Index

NCT01170390
Conditions
Body Weight, Contraceptive Usage
Interventions
All participants (Aviane), Portia, Aviane
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Portland, Oregon
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
Recruiting Phase 4 Interventional Accepts healthy volunteers

Contraceptive Hormone and Reward Measurement (CHARM Study)

NCT05058872
Conditions
Oral Hormonal Contraceptive Use, Neural Activity, Mood, Hedonic Function
Interventions
Levonorgestrel/ethinyl estradiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older · Female only
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Healthy Adult Premenopausal Female Volunteers
Interventions
ITCA 650 20/60 mcg/day, ITCA placebo, ITCA placebo, ITCA 650 20/60 mcg/day
Drug
Lead sponsor
Intarcia Therapeutics
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida
Conditions
Healthy Participants
Interventions
EE/LNG, Baxdrostat
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Brooklyn, Maryland
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Combined Hormonal Contraceptives on UPA

NCT02577601
Conditions
Contraception
Interventions
Ulipristal Acetate, Levonorgestrel (LNG)/Ethinyl estradiol birth control pill
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Hemostasis, Oral Contraceptive
Interventions
91-day Levonorgestrel Oral Contraceptive, 28-day Levonorgestrel Oral Contraceptive, 28-day Desogestrel Oral Contraceptive
Drug
Lead sponsor
Teva Women's Health
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
265 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
21
States / cities
San Diego, California • Washington D.C., District of Columbia • Miami, Florida + 16 more
Conditions
Healthy
Interventions
PF-06826647, Oral Contraceptive (OC)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Coral Gables, Florida • Miami, Florida
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
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Obesity, Oral Contraception, and Ovarian Suppression

NCT00827632
Conditions
Ovarian Suppression
Interventions
Low dose formulation, High dose formulation
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
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
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
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
Conditions
Healthy Participants
Interventions
AZD5004, Itraconazole, EE/LNG
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Continuous Oral Contraceptives and Doxycycline

NCT00480532
Conditions
Contraceptives, Oral
Interventions
Lybrel, Doxycycline, Oracea, Placebo, Doxycycline 100bid x5 days at the time of bleeding, Subantimicrobial doxycycline daily, placebo daily
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
2
States / cities
Honolulu, Hawaii • Portland, Oregon
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
Conditions
Pelvic Pain Associated With Refractory Endometriosis
Interventions
BGS649, Placebo
Drug
Lead sponsor
Mereo BioPharma
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
42
States / cities
Mobile, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 36 more
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