A Prospective Cohort Study to Evaluate the Oncotype DX® Test in Early Stage Breast Cancer
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.
- Mark N. Levine, MD
Ontario Clinical Oncology Group (OCOG)
Principal Investigator
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
35 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Simcoe Muskoka Cancer Program - Royal Victoria Hospital
Barrie, Ontario, Canada
- Quinte Healthcare Corporation
Belleville, Ontario, Canada
- William Osler Health Centre
Brampton, Ontario, Canada
- Brantford General Hospital
Brantford, Ontario, Canada
- Joseph Brant Hospital
Burlington, Ontario, Canada
- Cambridge Memorial Hospital
Cambridge, Ontario, Canada
- Northeast Cancer Centre of Health Sciences North - Horizon Sante-Nord
Greater Sudbury, Ontario, Canada
- Juravinski Cancer Centre
Hamilton, Ontario, Canada
- Cancer Centre of Southeastern Ontario at Kingston
Kingston, Ontario, Canada
- Grand River Regional Cancer Centre
Kitchener, Ontario, Canada
- London Regional Cancer Centre
London, Ontario, Canada
- Markham Stouffville Hospital
Markham, Ontario, Canada
- the Credit Valley Hospital
Mississauga, Ontario, Canada
- Stronach Regional Cancer Centre
Newmarket, Ontario, Canada
- R.S. Mclaughlin Durham Regional Cancer Centre - Lakeridge Health
Oshawa, Ontario, Canada
- the Ottawa Hospital Regional Cancer Centre
Ottawa, Ontario, Canada
- Grey Bruce Health Services
Owen Sound, Ontario, Canada
- Peterborough Regional Health Centre
Peterborough, Ontario, Canada
- Mackenzie Health
Richmond Hill, Ontario, Canada
- Bluewater Health
Sarnia, Ontario, Canada
- Algoma District Cancer Program - Sault Area Hospital
Sault Ste. Marie, Ontario, Canada
- Rouge Valley Health System
Scarborough Village, Ontario, Canada
- the Scarborough Hospital
Scarborough Village, Ontario, Canada
- Niagara Health System
St. Catharines, Ontario, Canada
- Thunder Bay Regional Health Sciences Centre
Thunder Bay, Ontario, Canada
- Humber River Regional Cancer Centre
Toronto, Ontario, Canada
- Mount Sinai Hospital
Toronto, Ontario, Canada
- North York General Hospital
Toronto, Ontario, Canada
- Princess Margaret Hospital
Toronto, Ontario, Canada
- St. Joseph'S Healthcare
Toronto, Ontario, Canada
- St. Michael'S Hospital
Toronto, Ontario, Canada
- Sunnybrook Health Sciences - Odette Cancer Centre
Toronto, Ontario, Canada
- Toronto East General Hospital
Toronto, Ontario, Canada
- Trillium Health Centre
Toronto, Ontario, Canada
- Windsor Regional Cancer Centre
Windsor, 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 Jan 2012
- Primary completion
- 28 Feb 2014
- Completion
- 28 Feb 2014
- Last update posted
- 27 Mar 2014
- Registered enrollment
- 1,011
- Registry id
- NCT01423890
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.