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Clinical trialNCT00310180Active, not recruitingPhase 3Interventional

Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery for Node-Negative Breast Cancer (The TAILORx Trial)

SponsorNational Cancer Institute (NCI)Enrollment10,273Breast AdenocarcinomaHormone Receptor PositiveStage IA Breast Cancer AJCC v7Stage IB Breast Cancer AJCC v7Stage IIA Breast Cancer AJCC v6 and v7Stage IIB Breast Cancer AJCC v6 and v7+1 more conditions
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

1,222 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Australia
  • Border Medical Oncology

    Albury, New South Wales, Australia

  • Coffs Harbour Health Campus-North Coast Cancer Institute

    Coffs Harbour, New South Wales, Australia

  • Concord Repatriation General Hospital

    Concord, New South Wales, Australia

  • Lismore Base Hospital

    Lismore, New South Wales, Australia

  • Lingard Private Hospital

    Merewether, New South Wales, Australia

  • Royal Newcastle Hospital

    Newcastle, New South Wales, Australia

  • Calvary Mater Newcastle Hospital

    Waratah, New South Wales, Australia

  • Royal Brisbane and Women'S Hospital

    Herston, Queensland, Australia

  • Nambour Hospital

    Nambour, Queensland, Australia

  • Royal Hobart Hospital

    Saint Hobart, Tasmania, Australia

  • Breast Unit-Mercy Private

    East Melbourne, Victoria, Australia

  • Epworth Hospital

    Richmond, Victoria, Australia

  • Saint John of God Hospital - Bunbury

    Bunbury, Western Australia, Australia

  • Sir Charles Gairdner Hospital

    Nedlands, Western Australia, Australia

Canada
  • Arthur J E Child Comprehensive Cancer Centre

    Calgary, Alberta, Canada

  • Bcca-Cancer Centre for the Southern Interior

    Kelowna, British Columbia, Canada

  • Penticton Regional Hospital

    Penticton, British Columbia, Canada

  • Bcca-Fraser Valley Cancer Centre

    Surrey, British Columbia, Canada

  • Bcca-Vancouver Cancer Centre

    Vancouver, British Columbia, Canada

  • Bcca-Vancouver Island Cancer Centre

    Victoria, British Columbia, Canada

  • Cancercare Manitoba

    Winnipeg, Manitoba, Canada

  • the Moncton Hospital

    Moncton, New Brunswick, Canada

  • Atlantic Health Sciences Corporation-Saint John Regional Hospital

    Saint John, New Brunswick, Canada

  • Health Sciences North

    Greater Sudbury, 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

  • Odette Cancer Centre- Sunnybrook Health Sciences Centre

    Toronto, Ontario, Canada

  • Saint Michael'S Hospital

    Toronto, Ontario, Canada

  • Trillium Health Partners - Queensway Health Centre

    Toronto, Ontario, Canada

  • Windsor Regional Cancer Centre

    Windsor, Ontario, Canada

  • Csss Champlain-Charles Le Moyne

    Greenfield Park, Quebec, 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

  • Allan Blair Cancer Centre

    Regina, Saskatchewan, Canada

1,182 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
7 Apr 2006
Primary completion
2 Mar 2018
Completion
30 Sept 2030
Last update posted
2 Jul 2026
Registered enrollment
10,273
Registry id
NCT00310180

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.