findmyKOL
Clinical trialNCT00003906CompletedPhase 3Interventional

Study of Tamoxifen and Raloxifene (STAR) for the Prevention of Breast Cancer in Postmenopausal Women

SponsorNSABP Foundation IncEnrollment19,747Breast Cancer
View the registry record on ClinicalTrials.gov

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.

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.

Canada
  • 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

Puerto Rico
  • Mbccop - San Juan

    San Juan, Puerto Rico

United States
  • 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

476 more sites on the registry record.ClinicalTrials.gov ↗

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.