Radiation Therapy With or Without Optional Tamoxifen in Treating Women With Ductal Carcinoma in Situ
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.
- Barbara L. Smith, MD, PhD
Massachusetts General Hospital
Study Chair - Beryl McCormick, MD
Memorial Sloan Kettering Cancer Center
Study Chair - Clifford A. Hudis, MD
Memorial Sloan Kettering Cancer Center
- Eileen Rakovitch, MD
Toronto Sunnybrook Regional Cancer Centre
- Timothy J. Whelan, MD
Margaret and Charles Juravinski Cancer Centre
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
369 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Cross Cancer Institute at University of Alberta
Edmonton, Alberta, Canada
- Lethbridge Cancer Centre
Lethbridge, Alberta, Canada
- British Columbia Cancer Agency - Centre for the Southern Interior
Kelowna, British Columbia, Canada
- Nanaimo Cancer Clinic at Nanaimo Regional General Hospital
Nanaimo, British Columbia, Canada
- Lions Gate Hospital
North Vancouver, British Columbia, Canada
- Bcca - Fraser Valley Cancer Centre
Surrey, British Columbia, Canada
- British Columbia Cancer Agency - Vancouver Cancer Centre
Vancouver, British Columbia, Canada
- Prostate Centre at Vancouver General Hospital
Vancouver, British Columbia, Canada
- Providence Health Care - Vancouver
Vancouver, British Columbia, Canada
- British Columbia Cancer Agency - Vancouver Island Cancer Centre
Victoria, British Columbia, Canada
- G. Steinhoff Clinical Research
Victoria, British Columbia, Canada
- Cancercare Manitoba
Winnipeg, Manitoba, Canada
- Moncton Hospital
Moncton, New Brunswick, Canada
- Saint John Regional Hospital
Saint John, New Brunswick, Canada
- Newfoundland Cancer Treatment and Research Foundation
St. John's, Newfoundland and Labrador, Canada
- Nova Scotia Cancer Centre
Halifax, Nova Scotia, Canada
- Cape Breton Cancer Centre
Sydney, Nova Scotia, Canada
- Royal Victoria Hospital of Barrie
Barrie, Ontario, Canada
- William Osler Health Centre
Brampton, Ontario, Canada
- Northeastern Ontario Regional Cancer Centre
Greater Sudbury, Ontario, Canada
- Margaret and Charles Juravinski Cancer Centre
Hamilton, Ontario, Canada
- St. Joseph'S Hospital
Hamilton, Ontario, Canada
- Cancer Centre of Southeastern Ontario at Kingston General Hospital
Kingston, Ontario, Canada
- Grand River Regional Cancer Centre at Grand River Hospital
Kitchner, Ontario, Canada
- London Regional Cancer Program at London Health Sciences Centre
London, Ontario, Canada
- Markham Stouffville Hospital
Markham, Ontario, Canada
- Trillium Health Centre - Mississauga Site
Mississauga, Ontario, Canada
- Southlake Regional Health Centre
Newmarket, Ontario, Canada
- North York General Hospital - Ontario
North York, Ontario, Canada
- Male Health Centre - Oakville
Oakville, Ontario, Canada
- R. S. Mclaughlin Durham Regional Cancer Centre at Lakeridge Health Oshawa
Oshawa, Ontario, Canada
- Ottawa Hospital Regional Cancer Centre - General Campus
Ottawa, Ontario, Canada
- Peterborough Oncology Clinic
Peterborough, Ontario, Canada
- Algoma Regional Cancer Program at Sault Area Hospital
Sault Ste. Marie, Ontario, Canada
- Scarborough Hospital - General Campus
Scarborough Village, Ontario, Canada
- St. Catharines General Hospital at Niagara Health System
St. Catharines, Ontario, Canada
- Northwestern Ontario Regional Cancer Care at Thunder Bay Regional Health Sciences Centre
Thunder Bay, Ontario, Canada
- Male Health Centre - North York
Toronto, Ontario, Canada
- Mount Sinai Hospital - Toronto
Toronto, Ontario, Canada
- Princess Margaret Hospital
Toronto, Ontario, Canada
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 Dec 1999
- Primary completion
- 29 Feb 2004
- Completion
- 20 May 2022
- Last update posted
- 25 May 2022
- Registered enrollment
- 636
- Registry id
- NCT00003857
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.