Estriol

Generic Name
Estriol
Brand Names
-
Drug Type
Small Molecule
Chemical Formula
C18H24O3
CAS Number
50-27-1
Unique Ingredient Identifier
FB33469R8E
Background

A hydroxylated metabolite of estradiol or estrone that has a hydroxyl group at C3-beta, 16-alpha, and 17-beta position. Estriol is a major urinary estrogen. During pregnancy, large amount of estriol is produced by the placenta. Isomers with inversion of the hydroxyl group or groups are called epiestriol. Though estriol is used as part of the primarily North American phenomenon of bioidentical hormone replacement therapy, it is not approved for use by the FDA or Health Canada. It is however available in the United States by prescription filled only by compounding pharmacies. It has also been approved and marketed throughout Europe and Asia for approximately 40 years for the treatment of post-menopausal hot flashes.

Indication

Used as a test to determine the general health of an unborn fetus.

Associated Conditions
Cervicitis, Menopausal and Postmenopausal Disorders, Hypoestrogenism
Associated Therapies
Estrogen Replacement Therapy

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

First Posted Date
2011-08-02
Last Posted Date
2018-10-19
Lead Sponsor
James Gossage
Target Recruit Count
123
Registration Number
NCT01408030
Locations
🇺🇸

University of California Los Angeles, Los Angeles, California, United States

🇺🇸

Georgia Regents University, Augusta, Georgia, United States

🇺🇸

University of Utah, Salt Lake City, Utah, United States

and more 3 locations

Topical Estriol for Vaginal Health

Phase 1
Completed
Conditions
Interventions
First Posted Date
2009-05-27
Last Posted Date
2011-03-04
Lead Sponsor
Gynuity Health Projects
Target Recruit Count
104
Registration Number
NCT00908570
Locations
🇺🇸

University of Illinois at Chicago, Chicago, Illinois, United States

🇺🇸

Harbor-UCLA Medical Center, Los Angeles, California, United States

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

First Posted Date
2009-01-01
Last Posted Date
2017-11-13
Lead Sponsor
Maire Mac Bride
Target Recruit Count
63
Registration Number
NCT00816556
Locations
🇺🇸

Mayo Clinic, Rochester, Minnesota, United States

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

First Posted Date
2007-03-23
Last Posted Date
2016-06-16
Lead Sponsor
University of California, Los Angeles
Target Recruit Count
158
Registration Number
NCT00451204
Locations
🇺🇸

Western Institute for Biomedical Research, Salt Lake City, Utah, United States

🇺🇸

University of Texas Southwestern, Dallas, Texas, United States

🇺🇸

Dartmouth Medical School, Lebanon, New Hampshire, United States

and more 13 locations
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