Clinical trialNCT04797299RecruitingObservational

Prospective Evaluation of Breast-Conserving Surgery Alone in Low-Risk Ductal Carcinoma in Situ (DCIS)

SponsorOntario Clinical Oncology Group (OCOG)Enrollment526DCIS

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.

Eileen Rakovitch, M.D.
Sunnybrook Research Institute, Sunnybrook Health Science
Principal Investigator
clinicaltrials.gov ↗
Tim Whelan, M.D
Juravinski Cancer Centre
Principal Investigator
clinicaltrials.gov ↗

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

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

Canada

Arthur J.E. Child Comprehensive Cancer Centre
Calgary, Alberta, Canada
Jeffrey Q Cao, MD
Recruiting
Cross Cancer Institute
Edmonton, Alberta, Canada
Kurian Joseph, MD
Recruiting
Bc Cancer - Abbotsford Centre
Abbotsford British Columbia, British Columbia, Canada
Maha Almahmudi, MD
Recruiting
Bc Cancer - Centre for the North (prince George)
Prince George, British Columbia, Canada
Robert Olson, MD
Recruiting
Bc Cancer - Fraser Valley Centre
Surrey, British Columbia, Canada
Dylan Narinesingh, MD
Recruiting
Bc Cancer - Vancouver Centre
Vancouver, British Columbia, Canada
Iwa Kong, MD
Recruiting
Bc Cancer - Victoria
Victoria, British Columbia, Canada
David Wu, MD
Recruiting
Qe Ii Hsc - Nova Scotia Cancer Centre
Halifax, Nova Scotia, Canada
Robert Rutledge, MD
Recruiting
Cape Breton Cancer Centre
Sydney, Nova Scotia, Canada
Kwamena Beecham, MD
Recruiting
Royal Victoria Regional Health Centre
Barrie, Ontario, Canada
Christiaan Stevens, MD
Recruiting
Juravinski Cancer Centre
Hamilton, Ontario, Canada
Tim Whelan, MD
Recruiting
London Regional Cancer Program
London, Ontario, Canada
Francisco Perera, MD
Recruiting
Regional Cancer Care, Thunder Bay Regional Health Sciences Centre
Thunder Bay, Ontario, Canada
Margaret Anthes, MD
Recruiting
Sunnybrook Health Science Centre -Odette Cancer Centre
Toronto, Ontario, Canada
Eileen Rakovitch, MD
Recruiting
University Health Network - Princess Margaret Cancer Centre
Toronto, Ontario, Canada
Ezra Hahn, MD
Recruiting
Windsor Regional Cancer Centre
Windsor, Ontario, Canada
Kenneth Schneider, MD
Recruiting
Hôpital Charles Le Moyne (cisss de la Montérégie-Centre)
Greenfield Park, Quebec, Canada
Nancy El-Bared, MD
Recruiting
Chum - Centre Hospitalier de L'Université de Montréal
Montreal, Quebec, Canada
Jean-Marc Bourque, MD
Recruiting
Jewish General Hospital
Montreal, Quebec, Canada
Withdrawn
Mcgill University Health Centre
Montreal, Quebec, Canada
Christine Lambert, MD
Recruiting
Centre Intégré de Cancérologie Du Chu de Québec - Université Laval
Québec, Quebec, Canada
Valérie Théberge, MD
Recruiting
Centre Intégré Universitaire de Santé Et de Services Sociaux de la Mauricie- Centre-Du-Québec (ciusss Mcq) - Trois-Rivières
Trois-Rivières, Quebec, Canada
Francois Vincent, MD
Recruiting
Allan Blair Cancer Centre
Regina, Saskatchewan, Canada
Shazia Mahmood, MD
Recruiting
Saskatoon Cancer Centre
Saskatoon, Saskatchewan, Canada
Philip Wright, MD
Recruiting

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: 23 Nov 2022
Primary completion: 30 Nov 2030
Completion: 30 Nov 2035
Last update posted: 17 Jun 2026
Registered enrollment: 526
Registry id: NCT04797299

clinicaltrials.gov ↗

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.