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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Estrogen Level Clear all
Not listed No phase listed Observational Accepts healthy volunteers

The Effect of Estrogen and Progesterone Levels on Knee and Ankle Joint Laxity

NCT00005923
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
15 Years to 23 Years
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Not applicable Interventional Results available

Serum Estradiol Levels In Postmenopausal Women With Breast Cancer Receiving Adjuvant Aromatase Inhibitors and Vaginal Estrogen

NCT00984399
View directory record Official record
Conditions
Atrophic Vaginitis, Breast Cancer
Interventions
Vagifem® (vaginal 17β-estradiol) questionnaire & menopause symptom checklist
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2024
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Grape Seed Extract on Estrogen Levels of Postmenopausal Women

NCT00566553
View directory record Official record
Conditions
Breast Cancer
Interventions
Grape Seed Extract
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 5, 2012 · Synced Jul 22, 2026, 9:10 AM EDT
Withdrawn No phase listed Observational

Effect of Lap-Band Induced Weight Loss on Serum PSA Levels

NCT00562341
View directory record Official record
Conditions
Obesity, Prostate Cancer
Interventions
Bariatric Surgery
Other
Lead sponsor
Maimonides Medical Center
Other
Eligibility
20 Years to 60 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 22, 2018 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Comparison of Patch vs. Pill Estrogen Therapy on Testosterone Levels and Thyroid Tests in Menopausal Women

NCT00224094
View directory record Official record
Conditions
Menopause
Interventions
Premarin® (oral) vs. Alora® (transdermal)
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
42 Years to 70 Years · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced Jul 22, 2026, 9:10 AM EDT
Terminated Not applicable Interventional Results available

Vaginal Estrogen and Pelvic Floor Physical Therapy in Women With Symptomatic Mild Prolapse

NCT01648751
View directory record Official record
Conditions
Pelvic Organ Prolapse
Interventions
Vaginal estrogen, Placebo
Drug
Lead sponsor
Pamela Moalli
Other
Eligibility
40 Years to 80 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 2 Interventional

ER Reactivation Therapy for Breast Cancer

NCT02188745
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
17B-estradiol, Letrozole, Anastrozole, Exemestane
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
3
States / cities
Springfield, Massachusetts • Rochester, Minnesota • Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Jul 22, 2026, 9:10 AM EDT
Terminated Phase 4 Interventional Results available

Hormonal Status on Blood Flow and Tissue in Pelvic Organ Prolapse

NCT01886794
View directory record Official record
Conditions
Pelvic Floor Disorders
Interventions
Postmenopausal, topical vaginal estrogen cream, Placebo Comparator: Postmenopausal, topical placebo cream
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
21 Years to 70 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Preoperative Estrogen Treatment on Connective Tissues of the Pelvic Floor

NCT01778985
View directory record Official record
Conditions
Pelvic Organ Prolapse, Menopause
Interventions
Premarin, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
40 Years to 70 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2014 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 2 Interventional Results available

Estradiol Levels in Patients Treated With Estring

NCT01923298
View directory record Official record
Conditions
Estrogen Levels Among Breast Cancer Patients
Interventions
Estradiol
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 4 Interventional Results available

CGRP, Estrogen, Cortisol, VIP, α-Amylase, PGE2, PGI2 and ß-Endorphin Levels in Menstrual Migraine Before and After Treximet

NCT01329562
View directory record Official record
Conditions
Menstrual Migraine
Interventions
Treximet, Placebo
Drug
Lead sponsor
Cady, Roger, M.D.
Individual
Eligibility
18 Years to 45 Years · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Springfield, Missouri • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Not applicable Interventional Results available

The Estrogen Impact on Overactive Bladder Syndrome: Female Pelvic Floor Microbiomes and Antimicrobial Peptides

NCT02524769
View directory record Official record
Conditions
Overactive Bladder
Interventions
conjugated estrogen
Drug
Lead sponsor
Loyola University
Other
Eligibility
55 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 4 Interventional Results available

Investigation to Minimize Prolapse Recurrence of the Vagina Using Estrogen

NCT02431897
View directory record Official record
Conditions
Pelvic Organ Prolapse, Urogenital Prolapse, Vaginal Vault Prolapse, Cystocele, Uterine Prolapse, Vaginal Prolapse, Pelvic Floor Disorders
Interventions
Conjugated Estrogens Cream, Placebo Cream
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
48 Years and older · Female only
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
3
States / cities
Birmingham, Alabama • Providence, Rhode Island • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Jul 22, 2026, 9:10 AM EDT
Terminated Phase 4 Interventional

Topical Vaginal Estrogen for Postpartum Obstetric Anal Sphincter Injury Recovery

NCT05317364
View directory record Official record
Conditions
Obstetric; Injury Pelvic Floor, Sexual Dysfunction, Anal Incontinence, Urinary Incontinence
Interventions
Estradiol 0.01% Vag Cream, Placebo vaginal cream
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

4 mA tDCS, Estrogen, and Leg Muscle Fatigability

NCT04471805
View directory record Official record
Conditions
Healthy
Interventions
Sham transcranial direct current stimulation 4 mA, Transcranial direct current stimulation 4 mA
Device
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Jul 22, 2026, 9:10 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Patient Adherence to Premarin Versus Vagifem Therapy After Female Pelvic Reconstructive Surgery

NCT02860897
View directory record Official record
Conditions
Estrogen, Menopause, Pelvic Floor Disorders, Surgery
Interventions
Premarin, Vagifem
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 90 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 1Phase 2 Interventional

Black Cohosh Extract in Postmenopausal Breast Health

NCT00064831
View directory record Official record
Conditions
Menopause, Hot Flashes
Interventions
Black Cohosh Extract (BCE)
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
Female only
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 6, 2007 · Synced Jul 22, 2026, 9:10 AM EDT
Completed No phase listed Observational

Study of Calgranulin A/B Levels in Patients With Newly Diagnosed Stage I,II,III Breast Cancer

NCT00900133
View directory record Official record
Conditions
Breast Cancer
Interventions
immunoenzyme technique, laboratory biomarker analysis
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Jul 22, 2026, 9:10 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

GLP-1RA Effects on Lean Mass and Bone Health in Midlife Women

NCT07422987
View directory record Official record
Conditions
Body Composition, Muscle Function, GLP-1, Estrogen Level
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
35 Years to 60 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Brain Imaging Study in Menopausal Women With and Without Major Depressive Disorder

NCT00626340
View directory record Official record
Conditions
Menopause, Depression
Interventions
MDD diagnosis and Estrogen treatment, MDD diagnosis and Fluoxetine treatment, MDD diagnosis with both Estrogen and Fluoxetine treatment, No depression and estrogen treatment
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years to 70 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Red Wine and White Wine on Blood Estrogen and Progesterone Levels

NCT00572351
View directory record Official record
Conditions
Healthy
Interventions
Red Wine, White Wine
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
21 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Jul 22, 2026, 9:10 AM EDT
Completed No phase listed Observational

Systemic Dickkopf-related Protein 1 (DKK1)During Estrogen Level Changes in Post-menopausal Breast Cancer Patients Treated With Aromatase Inhibitors

NCT01431872
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Jul 22, 2026, 9:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Studying the Effect of Freeze-Dried Table Grape Powder on Blood Estrogen Levels in Postmenopausal Women

NCT00611104
View directory record Official record
Conditions
Breast Cancer
Interventions
standardized freeze-dried table grape powder, laboratory biomarker analysis, pharmacological study
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 9:10 AM EDT
Completed Not applicable Interventional

Group-Based Lifestyle Intervention in Measuring Biomarker Levels in Participants at High Risk for Breast Cancer

NCT01874184
View directory record Official record
Conditions
Atypical Ductal Breast Hyperplasia, Atypical Lobular Breast Hyperplasia, BRCA1 Mutation Carrier, BRCA2 Mutation Carrier, Ductal Breast Carcinoma in Situ, Lobular Breast Carcinoma in Situ
Interventions
counseling intervention, behavioral dietary intervention, exercise intervention, questionnaire administration, laboratory biomarker analysis
Other · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 19, 2016 · Synced Jul 22, 2026, 9:10 AM EDT