Study of Tamoxifen and Raloxifene (STAR) for the Prevention of Breast Cancer in Postmenopausal Women
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Norman Wolmark, MD
NSABP Foundation Inc
Study Chair
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
516 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Tom Baker Cancer Center - Calgary
Calgary, Alberta, Canada
- Cross Cancer Institute
Edmonton, Alberta, Canada
- University Hospital - U.B.C. Site
Vancouver, British Columbia, Canada
- Cancercare Manitoba
Winnipeg, Manitoba, Canada
- Familial Oncology Program
Kingston, Ontario, Canada
- Credit Valley Hospital
Mississauga, Ontario, Canada
- North York General Hospital, Ontario
North York, Ontario, Canada
- Ottawa Regional Cancer Centre
Ottawa, Ontario, Canada
- Northwestern Ontario Regional Cancer Care
Thunder Bay, Ontario, Canada
- St. Michael'S Hospital - Toronto
Toronto, Ontario, Canada
- Toronto General Hospital
Toronto, Ontario, Canada
- Toronto Sunnybrook Regional Cancer Centre
Toronto, Ontario, Canada
- Women'S College Ambulatory Care Center, Sunnybrook and Women'S College Health Science Center
Toronto, Ontario, Canada
- Chus-Hopital Fleurimont
Fleurimont, Quebec, Canada
- Hopital Charles Lemoyne
Greenfield Park, Quebec, Canada
- Centre Hospitalier de L'Universite de Montreal
Montreal, Quebec, Canada
- Jewish General Hospital - Montreal
Montreal, Quebec, Canada
- Montreal General Hospital
Montreal, Quebec, Canada
- Royal Victoria Hospital - Montreal
Montreal, Quebec, Canada
- Ville Marie Breast Center
Montreal, Quebec, Canada
- Hopital Du Saint-Sacrement, Quebec
Québec, Quebec, Canada
- Centre Universitaire de Sante de L'Estrie
Sherbrooke, Quebec, Canada
- Saskatoon Cancer Centre
Saskatoon, Saskatchewan, Canada
- Mbccop - San Juan
San Juan, Puerto Rico
- Comprehensive Cancer Institute
Huntsville, Alabama, United States
- Mbccop - Gulf Coast
Mobile, Alabama, United States
- Providence Alaska Medical Center
Anchorage, Alaska, United States
- Ccop - Western Regional, Arizona
Phoenix, Arizona, United States
- Ccop - Mayo Clinic Scottsdale Oncology Program
Scottsdale, Arizona, United States
- Arizona Cancer Center at University of Arizona Health Sciences Center
Tucson, Arizona, United States
- Breast Associates
Fayetteville, Arkansas, United States
- Surgical Associates
Fort Smith, Arkansas, United States
- Northeast Arkansas Clinic
Jonesboro, Arkansas, United States
- Arkansas Cancer Research Center at University of Arkansas for Medical Sciences
Little Rock, Arkansas, United States
- Kaiser Permanente Medical Center - Anaheim/orange County
Anaheim, California, United States
- Kaiser Permanente Medical Center - Baldwin Park
Baldwin Park, California, United States
- Kaiser Permanente Medical Center - Bellflower
Bellflower, California, United States
- Alta Bates Comprehensive Cancer Center
Berkeley, California, United States
- Providence Saint Joseph Medical Center - Burbank
Burbank, California, United States
- Mills-Peninsula Health Services
Burlingame, California, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 31 May 1999
- Primary completion
- 31 Dec 2005
- Completion
- 31 Aug 2012
- Last update posted
- 6 Oct 2015
- Registered enrollment
- 19,747
- Registry id
- NCT00003906
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.