Estrogen Alternatives Study

Sponsor

US Department of Veterans Affairs (U.S. Fed)

Overall Status

Completed

CT.gov ID

NCT00108238

Collaborator

(none)

Location

Duration (Months)

Study Details

Study Description

Brief Summary

Healthy postmenopausal women not currently taking hormone replacement or hormone modulating therapy take a 3-month course of estradiol/raloxifene/placebo to evaluate the effects of each on vascular function, as indicated by PET coronary flow reserve studies and brachial artery ultrasound, before and after use of the therapies. This is a randomized, placebo-controlled, blinded study.

Condition or Disease	Intervention/Treatment	Phase
Healthy	Drug: Estradiol followed by progesterone Drug: Raloxifene	Phase 4

Study Design

Study Type:

Interventional

Allocation:

Randomized

Intervention Model:

Parallel Assignment

Masking:

Double

Primary Purpose:

Prevention

Official Title:

Estrogen Alternatives and Vascular Function in Post-Menopausal Women

Study Start Date :

Apr 1, 2003

Study Completion Date :

Dec 1, 2006

Outcome Measures

Primary Outcome Measures

Eligibility Criteria

Criteria

Ages Eligible for Study:

N/A and Older

Sexes Eligible for Study:

Female

Accepts Healthy Volunteers:

Yes

Inclusion Criteria:

Postmenopausal women (no menses for greater than or equal to 12 months, or s/p [status post] hysterectomy with bilateral ovariectomy) not currently taking hormone replacement therapy (within previous 3 months)
Normal mammogram within previous 12 months

Exclusion Criteria:

Current or recent (within previous 3 months) hormone replacement therapy
Current or recent (within previous 3 months) use of hormone alternatives such as raloxifene, tamoxifen, or soy estrogen preparations.
LDL Cholesterol > 160 mg/dl.
History of hypertension, diabetes mellitus, peripheral vascular disease, cerebrovascular disease, current smoking, history of DVT (deep vein thrombosis) or PE (pulmonary embolism), active gallbladder disease, family history of premature (men under 55 yrs, women under 65 yrs) coronary artery disease
History of breast, uterine, or ovarian cancer Contraindication to adenosine administration (i.e., significant bronchospastic pulmonary disease, higher degree heart block)
Inability to give informed consent
Inability to temporarily (for 24 hours) discontinue potential vasoactive drugs, such as anti-inflammatory agents and aspirin, at least 24 hours prior to the examinations.
History of coronary heart disease