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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Estradiol Effect Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Characterize the Drug Levels of an Oral Contraceptive With and Without BMS-986166 in Healthy Female Participants of Childbearing Potential

NCT04934696
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986166, Oral contraceptive
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of Oral Estradiol and Progesterone Therapy on Vaginal Cytokines in Postmenopausal Women

NCT02224313
View directory record Official record
Conditions
Menopause
Interventions
oral estradiol 1.0 mg, oral progesterone 100 mg
Drug
Lead sponsor
Intira Sriprasert
Other
Eligibility
20 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 2 Interventional

Effects of Raloxifene on Hormone Levels

NCT00026962
View directory record Official record
Conditions
Breast Cancer
Interventions
measuring estradiol and progesterone levels in saliva
Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Not applicable Interventional

A Study Evaluating the Effects of Topical Clitoral Estradiol Cream in Post Menopausal Women

NCT02859285
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Placebo vulvar cream, Estradiol vulvar cream
Other
Lead sponsor
ProHealth Care, Inc
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Waukesha, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Sep 18, 2026, 4:57 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Effect of AZD6234, AZD9550, and a Combination of AZD9550 and AZD6234 on Pharmacokinetics of Combined Oral Contraceptive Ethinyl Estradiol/Levonorgestrel in Healthy Female Participants Living With Overweight or Obesity

NCT07013643
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Pharmacokinetics of a Combined Oral Contraceptive (COC) With and Without Obicetrapib

NCT06250205
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Obicetrapib, Obicetrapib + Drospirenone / Ethinyl Estradiol (COC), Drospirenone / Ethinyl Estradiol (COC)
Drug
Lead sponsor
NewAmsterdam Pharma
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 18, 2026, 4:57 AM EDT
Withdrawn Phase 2 Interventional

Effects of an Estrogen Replacement Therapy Skin Patch on Ovulation in Women With Premature Ovarian Failure

NCT00370019
View directory record Official record
Conditions
Premature Ovarian Failure
Interventions
Estradiol/Medroxyprogesterone acetate
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of BMS-986195 Combined With an Oral Contraceptive (Ethinyl Estradiol/Norethindrone) in Healthy Female Patients

NCT03262740
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
BMS-986195, Loestrin 1.5/30 (1.5 mg norethindrone acetate/30 μg ethinyl estradiol)
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
South Miami, Florida • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 19, 2020 · Synced Sep 18, 2026, 4:57 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 18, 2026, 4:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Pharmacokinetics of Ethinyl Estradiol and Levonorgestrel When Given Alone and in Combination With Baxdrostat in Healthy Females of Non-childbearing Potential

NCT06657105
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Sep 18, 2026, 4:57 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Oral Contraceptive Ethinyl Estradiol Dose Effect on Postpartum Depression and Sexual Functioning Scales

NCT02210702
View directory record Official record
Conditions
Postpartum Depressive Mood, Postpartum Sexual Function
Interventions
Ethinyl Estradiol 35mcg/Norethindrone 1mg, Ethinyl Estradiol 20mcg/Norethindrone 1mg
Drug
Lead sponsor
The Jones Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Sep 18, 2026, 4:57 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 18, 2026, 4:57 AM EDT
Withdrawn Phase 4 Interventional

Pilot E2 for Hypogonadal Women With CFBD

NCT03724955
View directory record Official record
Conditions
Cystic Fibrosis Related Bone Disease
Interventions
Estradiol 2 mg, Placebo
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Seven-day BASIS™ Supplementation on Menopausal Syndromes and Measurements of the Urinary Vitamin B3 and Estradiol Levels in Pre-, Peri- and Post-menopause

NCT04841499
View directory record Official record
Conditions
Menopause
Interventions
BASIS™ (Crystalline Nicotinamide Riboside 250mg and Pterostilbene 50mg)
Drug
Lead sponsor
University of South Alabama
Other
Eligibility
35 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Mobile, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 17, 2021 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Perimenopausal Effects of Estradiol on Reward Responsiveness

NCT02255175
View directory record Official record
Conditions
Perimenopausal Depression
Interventions
Estradiol, Progesterone
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
44 Years to 55 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 11, 2019 · Synced Sep 18, 2026, 4:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hormone Induced Effects on Ligament Laxity and Lower Extremity Motor Control

NCT04055129
View directory record Official record
Conditions
Hormone Influence on Ligament Laxity and Motor Control
Interventions
No interventions
Other
Lead sponsor
University of St. Augustine for Health Sciences
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Marcos, California
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction - Oral Contraceptive

NCT00399685
View directory record Official record
Conditions
HIV Infections
Interventions
Ortho Tri-Cyclen LO, Ortho Cyclen, Ortho Cyclen + Efavirenz
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
San Diego, California • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Sep 18, 2026, 4:57 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Effect of the Etonogestrel 0.12mg/Ethinyl Estradiol 0.015mg Vaginal Ring on Vaginal Innate and Inflammatory Biomarkers

NCT01448291
View directory record Official record
Conditions
Vaginosis, Bacterial
Interventions
Etonogestrel /Ethinyl Estradiol Contraceptive Vaginal Ring
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2012 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 4 Interventional Results available

Effect of Perimenstrual Ovarian Steroid Supplementation on Perimenstrual Suicidality

NCT03720847
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Estradiol Transdermal Patch 0.1 mg/24 hrs, Oral Micronized Progesterone, Inactive Clear Patch, Placebo capsule
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Sep 18, 2026, 4:57 AM EDT
Suspended Phase 1 Interventional Accepts healthy volunteers

Determine the Effects of C-administration of AZD7325 and an Oral Contraceptive in Healthy Female Subjects

NCT00901290
View directory record Official record
Conditions
Pharmacokinetics
Interventions
monophasic oral contraceptive, AZD7325
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 9, 2010 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Dose-finding Study to Evaluate the Effect of a Contraceptive Vaginal Ring, Releasing Nestorone® and Estradiol, on Cycle Control, Ovulation Inhibition, and Pharmacokinetics in Normal Cycling Women

NCT01586000
View directory record Official record
Conditions
Suppression of Ovulation
Interventions
10 µg/day E2 with NES 200® µg/day, 20 µg/day E2 with NES 200® µg/day, 40 µg/day E2 with NES 200® µg/day
Drug
Lead sponsor
Kimberly Myer
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
8
States / cities
Baltimore, Maryland • New York, New York • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

The Effects of Estrogen on Cognition in Girls With Turner Syndrome

NCT00001253
View directory record Official record
Conditions
Gonadal Dysgenesis, Turner's Syndrome
Interventions
cognitive tests and scales
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Not listed
Enrollment
950 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1990 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 18, 2026, 4:57 AM EDT
Terminated Early Phase 1 Interventional

The Effect of DHEA on Markers of Ovarian Reserve in Women With Diminished Ovarian Reserve

NCT01129830
View directory record Official record
Conditions
Infertility
Interventions
dehydroepiandrosterone
Dietary Supplement
Lead sponsor
Virginia Center for Reproductive Medicine
Other
Eligibility
21 Years to 44 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Reston, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Sep 18, 2026, 4:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of an Adhesive Overlay on the Delivery of Contraceptive Hormones From ORTHO EVRA® in Healthy Women

NCT01535820
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Treatment A: ORTHO EVRA patch (NGMN + EE) with an adhesive overlay, Treatment B: ORTHO EVRA patch (NGMN + EE) without an overlay
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 19, 2013 · Synced Sep 18, 2026, 4:57 AM EDT