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Showing 1–17 of 17 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: estriol Clear all
Completed Phase 2 Interventional Results available

North American Study of Epistaxis in Hereditary Hemorrhagic Telangiectasia (HHT)

NCT01408030
View directory record Official record
Conditions
Telangiectasia, Hereditary Hemorrhagic, Epistaxis
Interventions
Sterile saline, Bevacizumab, Estriol, Tranexamic Acid
Drug
Lead sponsor
James Gossage
Other
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
6
States / cities
Los Angeles, California • Augusta, Georgia • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

E4 FREEDOM (Female Response Concerning Efficacy and Safety of Estetrol/Drospirenone as Oral Contraceptive in a Multicentric Study) - United States/Canada Study

NCT02817841
View directory record Official record
Conditions
Contraception
Interventions
15 mg E4/3 mg DRSP
Drug
Lead sponsor
Estetra
Industry
Eligibility
16 Years to 50 Years · Female only
Enrollment
2,148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced Sep 3, 2026, 8:42 AM EDT
Not listed Phase 2 Interventional

Estriol Treatment in Multiple Sclerosis (MS): Effect on Cognition

NCT01466114
View directory record Official record
Conditions
Relapsing-remitting Multiple Sclerosis, Secondary-progressive Multiple Sclerosis, Primary-progressive Multiple Sclerosis
Interventions
estriol, Placebo, Norethindrone, Progestin Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
4
States / cities
Los Angeles, California • Aurora, Colorado • Albuquerque, New Mexico + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2019 · Synced Sep 3, 2026, 8:42 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Down Syndrome - Comparison of Screening Methods in the 1st and 2nd Trimesters

NCT00006445
View directory record Official record
Conditions
Down Syndrome, Chromosome Abnormalities
Interventions
Ultrasound, Serum screen
Procedure
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
16 Years to 45 Years · Female only
Enrollment
38,000 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
10
States / cities
Denver, Colorado • Boston, Massachusetts • Royal Oak, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2007 · Synced Sep 3, 2026, 8:42 AM EDT
Not listed No phase listed Observational

Preterm Delivery Risk Prediction by Measurement of Prenatal Serum Screening Markers

NCT01009723
View directory record Official record
Conditions
Preterm Delivery
Interventions
Not listed
Lead sponsor
Esoterix Genetic Laboratories, LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Westborough, Massachusetts • Santa Fe, New Mexico
Source: ClinicalTrials.gov public record
Updated Jun 7, 2012 · Synced Sep 3, 2026, 8:42 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

A Trial to Evaluate the Efficacy of Low Dose Vaginal Estrogens in the Treatment of Atrophic Vaginitis

NCT00816556
View directory record Official record
Conditions
Atrophic Vaginitis
Interventions
Estriol, Estradiol valerate, Vanicream Lite
Drug
Lead sponsor
Maire Mac Bride
Other
Eligibility
40 Years to 75 Years · Female only
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Sep 3, 2026, 8:42 AM EDT
Completed No phase listed Observational

The Use of Maternal Serum Unconjugated Estriol for Monitoring the Prevention of Neonatal Respiratory Distress Syndrome

NCT02112513
View directory record Official record
Conditions
Neonatal Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 27, 2019 · Synced Sep 3, 2026, 8:42 AM EDT
Withdrawn No phase listed Observational

fFN & E3 in the Prediction of PTB in Women With Twin Pregnancies Receiving 17OHP or Placebo

NCT00156000
View directory record Official record
Conditions
Preterm Delivery, Preterm Birth
Interventions
Fetal Fibronectin, Salivary Estriol
Device
Lead sponsor
Obstetrix Medical Group
Industry
Eligibility
18 Years to 60 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Mesa, Arizona • Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 18, 2014 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Estetrol for the Treatment of Moderate to Severe Vasomotor Symptoms in Postmenopausal Women (E4Comfort II)

NCT04090957
View directory record Official record
Conditions
Vasomotor Symptoms, Menopausal Symptoms
Interventions
Estetrol oral tablet, Placebo oral tablet
Drug
Lead sponsor
Estetra
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
1,015 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
111
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 82 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 3, 2026, 8:42 AM EDT
Recruiting Not applicable Interventional

Reducing Pregnancy Risks: The Mastery Lifestyle Intervention

NCT05012072
View directory record Official record
Conditions
Mental Health Wellness 1, Preterm Birth
Interventions
The Mastery Lifestyle Intervention
Behavioral
Lead sponsor
Microgen LLC
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Webster, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Topical Estriol for Vaginal Health

NCT00908570
View directory record Official record
Conditions
Vaginal Health
Interventions
estriol, Placebo
Drug
Lead sponsor
Gynuity Health Projects
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Los Angeles, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 3, 2011 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Estetrol Monohydrate (E4) on QTc Interval

NCT04819906
View directory record Official record
Conditions
Prolonged QTc Interval
Interventions
Estetrol 20 mg, Estetrol 100 mg, Placebo, Moxifloxacin 400 mg
Drug
Lead sponsor
Estetra
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Estetrol for the Treatment of Moderate to Severe Vasomotor Symptoms in Postmenopausal Women (E4Comfort Study I)

NCT04209543
View directory record Official record
Conditions
Vasomotor Symptoms, Menopausal Symptoms
Interventions
Estetrol, Placebo, Progesterone
Drug
Lead sponsor
Estetra
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
1,570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
65
States / cities
Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Vaginal Estriol in Multiple Sclerosis

NCT03774407
View directory record Official record
Conditions
Multiple Sclerosis, Neurogenic Bladder
Interventions
vaginal estriol
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 2 Interventional Results available

Estetrol for the Treatment of Female Sexual Arousal Disorder in Postmenopausal Women

NCT06308614
View directory record Official record
Conditions
Sexual Dysfunction, Physiological
Interventions
Estetrol, Placebo
Drug · Other
Lead sponsor
Estetra
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
24
States / cities
Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 3, 2026, 8:42 AM EDT
Completed Phase 2 Interventional Results available

A Combination Trial of Copaxone Plus Estriol in Relapsing Remitting Multiple Sclerosis (RRMS)

NCT00451204
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
Estriol, Placebo, Copaxone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
15
States / cities
Scottsdale, Arizona • Los Angeles, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2016 · Synced Sep 3, 2026, 8:42 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Bioidentical 'Natural' Hormone Evaluation in Early Menopause

NCT00302731
View directory record Official record
Conditions
Menopause
Interventions
Estradiol , estriol , progesterone, estradiol, progesterone, estriol, progesterone, equine estrogens m-progesteroneacetate
Drug
Lead sponsor
Jeanne Drisko, MD, CNS, FACN
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Sep 3, 2026, 8:42 AM EDT