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Heart and Estrogen-Progestin Replacement Study (HERS)

This study has been completed.
Wyeth is now a wholly owned subsidiary of Pfizer
Information provided by:
University of California, San Francisco Identifier:
First received: April 27, 2006
Last updated: NA
Last verified: January 2002
History: No changes posted
The purpose of the study is to determine whether hormone replacement therapy in post menopausal women with coronary artery disease prevents future heart attacks or death from coronary heart disease.

Condition Intervention Phase
Coronary Heart Disease Drug: Premarin .625 mg daily plus medroxyprogesterone 2.5 mg daily Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Double
Primary Purpose: Prevention
Official Title: Heart and Estrogen-Progestin Replacement Study (HERS)

Resource links provided by NLM:

Further study details as provided by University of California, San Francisco:

Primary Outcome Measures:
  • Myocardial Infarction
  • CHD Death

Secondary Outcome Measures:
  • CABG, revascularization, angina
  • serum lipids
  • quality of life
  • compliance
  • incidence of uterine bleeding and endometrial hyperplasia
  • incidencet and severity of vasomotor and genitourinary symptoms
  • adverse effects
  • thromboembolic events
  • symptomatic gallbladder disease
  • fractures
  • cancer
  • stroke
  • peripheral arterial disease
  • total mortality

Estimated Enrollment: 2430
Study Start Date: July 1992
Estimated Study Completion Date: July 2001
Detailed Description:
A randomized, blinded trial in post menopausal women with cornaornary artery disease to test the hypothesis, among 2340 women who have a uterus, that those randomized to receive estrogen-progestin replacement therapy (Premanrin .625 mg daily plus medroxygrprogesterone acetate 2.5 mg daily) have the same frequency on new CHD events (myocardial infarction and CHD death) as those randomized to placebo.

Ages Eligible for Study:   55 Years to 75 Years   (Adult, Senior)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • <75 y.o.
  • uterus present
  • postmenopausal
  • evidence of CHD
  • signed consent

Exclusion Criteria:

  • MI, CABG, mechanical revascularization within 6 months
  • serum triglyceride >300mg/dl
  • used hormone therapy or estrogen vaginal cream in past 3 months
  • history of DVT or pulmonary embolism
  • history of breast cancer or mammogram suggestive of cancer
  • history of endometrial cancer
  • abnormal uterine bleeding
  • pap smear abnormal
  • SGOT more than 1.2 times normal
  • Disease judged to be fatal within 4 yrs
  • alcoholism, drug abuse
  • NYHA Class IV congestive heart failure
  • uncontrolled hypertension
  • uncontrolled diabetes
  • participation in any other investigational study
  Contacts and Locations
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Please refer to this study by its identifier: NCT00319566

United States, California
University of California San Francisco
San Francisco, California, United States, 94143
Sponsors and Collaborators
University of California, San Francisco
Wyeth is now a wholly owned subsidiary of Pfizer
Principal Investigator: Stephen Hulley University of California, San Francisco
  More Information Identifier: NCT00319566     History of Changes
Other Study ID Numbers: 713B-401-US
Study First Received: April 27, 2006
Last Updated: April 27, 2006

Keywords provided by University of California, San Francisco:
Coronary Heart Disease
Hormone replacement therapy
Postmenopausal women

Additional relevant MeSH terms:
Heart Diseases
Coronary Disease
Coronary Artery Disease
Cardiovascular Diseases
Vascular Diseases
Arterial Occlusive Diseases
Contraceptive Agents, Female
Myocardial Ischemia
Estrogens, Conjugated (USP)
Medroxyprogesterone Acetate
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Contraceptives, Oral, Synthetic
Contraceptives, Oral
Contraceptive Agents
Reproductive Control Agents
Contraceptive Agents, Male
Antineoplastic Agents, Hormonal
Antineoplastic Agents processed this record on September 19, 2017