findmyKOL
Clinical trialNCT01272037Active, not recruitingPhase 3Interventional

Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer

SponsorNational Cancer Institute (NCI)Enrollment5,018Breast Ductal Carcinoma In SituInvasive Breast CarcinomaMulticentric Breast CarcinomaMultifocal Breast CarcinomaSynchronous Bilateral Breast Carcinoma
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

1,569 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Canada
  • Bcca-Abbotsford Cancer Centre

    Abbotsford British Columbia, British Columbia, Canada

  • Bcca-Cancer Centre for the Southern Interior

    Kelowna, British Columbia, Canada

  • Bcca-Fraser Valley Cancer Centre

    Surrey, British Columbia, Canada

  • Bcca-Vancouver Cancer Centre

    Vancouver, British Columbia, Canada

  • Cancercare Manitoba

    Winnipeg, Manitoba, Canada

  • Atlantic Health Sciences Corporation-Saint John Regional Hospital

    Saint John, New Brunswick, Canada

  • Doctor H. Bliss Murphy Cancer Centre

    St. John's, Newfoundland and Labrador, Canada

  • Royal Victoria Regional Health Centre

    Barrie, Ontario, Canada

  • Health Sciences North

    Greater Sudbury, Ontario, Canada

  • Juravinski Cancer Centre at Hamilton Health Sciences

    Hamilton, Ontario, Canada

  • Waterloo Regional Health Network

    Kitchener, Ontario, Canada

  • Trillium Health Partners - Credit Valley Hospital

    Mississauga, Ontario, Canada

  • Thunder Bay Regional Health Science Centre

    Thunder Bay, Ontario, Canada

  • Michael Garron Hospital

    Toronto, Ontario, Canada

  • Mount Sinai Hospital

    Toronto, Ontario, Canada

  • Trillium Health Partners - Queensway Health Centre

    Toronto, Ontario, Canada

  • University Health Network-Princess Margaret Hospital

    Toronto, Ontario, Canada

  • Pei Cancer Treatment Centre-Queen Elizabeth Hospital

    Charlottetown, Prince Edward Island, Canada

  • Chum - Centre Hospitalier de L'Universite de Montreal

    Montreal, Quebec, Canada

  • Chum-Hotel Dieu de Montreal

    Montreal, Quebec, Canada

  • Ciusssemtl-Hopital Maisonneuve-Rosemont

    Montreal, Quebec, Canada

  • Jewish General Hospital

    Montreal, Quebec, Canada

  • Mcgill University Department of Oncology

    Montreal, Quebec, Canada

  • the Research Institute of the Mcgill University Health Centre (muhc)

    Montreal, Quebec, Canada

  • Chu de Quebec-Hopital Du Saint-Sacrement (hss)

    Québec, Quebec, Canada

  • Centre Hospitalier Universitaire de Sherbrooke-Fleurimont

    Sherbrooke, Quebec, Canada

  • Allan Blair Cancer Centre

    Regina, Saskatchewan, Canada

  • Saskatoon Cancer Centre

    Saskatoon, Saskatchewan, Canada

Colombia
  • Instituto Nacional de Cancerologia

    Bogotá, Colombia

France
  • Institut de Cancerologie de L'Ouest- Angers

    Angers, France

  • Centre Hospitalier D'Auch

    Auch, France

  • Institut Sainte Catherine

    Avignon, France

  • Centre Hospitalier de la Cote Basque

    Bayonne, France

  • Centre D'Oncologie Et de Radiotherapie Pays Basque

    Bayonne, France

  • Centre Hospitalier de Beauvais

    Beauvais, France

  • Centre Hospitalier de Blois

    Blois, France

  • Clinique Tivoli Ducos

    Bordeaux, France

  • Institut Bergonie Cancer Center

    Bordeaux, France

  • Polyclinic Bordeaux Nord Aquitaine

    Bordeaux, France

  • Chu de Brest-Hopital Morvan

    Brest, France

1,529 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
28 Feb 2011
Primary completion
1 Feb 2023
Completion
8 Jan 2027
Last update posted
2 Jul 2026
Registered enrollment
5,018
Registry id
NCT01272037

Cross-registrations

Other registry (CTRP (Clinical Trial Reporting ProgramNCI-2011-02623

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.