Catherine O’Brien

150 150 UHN Colorectal Program

Catherine Adell O’Brien, MD, PhD, FRCSC

Surgeon Scientist, Princess Margaret Cancer Centre

Dr. Catherine O’Brien is a Surgeon-Scientist who received gastrointestinal malignancy training at the University of Western Ontario and the University of Toronto. During her Fellowship, she also completed a Ph.D. at the University of Toronto, studying cancer stem cells in colorectal cancer. She and her team recently made a breakthrough discovery that cancer cells can enter a state of “hibernation” to avoid the toxicity of chemotherapy.

Administrative Assistant:

Debbie Craig
Tel: 416-340-4910
Fax: 416-340-3808

Visit Dr. O'Brien's Lab Website

Patient Referral

If you would like to refer your patient to the CRC DAP program, please complete the referral form below and fax to 416-603-5102.

DOWNLOAD THE REFERRAL FORM

Present Title & Affiliations

Senior Scientist | Princess Margaret Cancer Centre
Associate Professor | Department of Surgery, University of Toronto
Cross-appointed Faculty Member | Department of Physiology, University of Toronto
General Surgeon (Specialty: surgical oncology, gastrointestinal malignancies)| University Health Network
Tier 2 Canada Research Chair in Translational Research in Colorectal Cancer

Education

Degrees, Diplomas, Licensures and Certifications

  • B.Sc., McGill University, Montreal, Quebec
  • M.D., Queen’s University, Kingston, Ontario
  • M.Sc., University of Western Ontario, London, Ontario
    • Dr. R. Zhong Subject: Role of CD45 RB in tolerance induction
  • Ph.D., University of Toronto, Toronto, Ontario
    • Supervisor(s): Dr.John Dick and Dr.S.Gallinger
    • Subject: Identification and characterization colon cancer-initiating cells

Specialty Training

  • University of Western Ontario, London, Ontario (General surgery residency)

Fellowship

  • University of Toronto, Toronto, Ontario (Surgical Oncology fellowship)

Hospital & University Appointments

  • Associate professor, Faculty of Medicine, Department of Surgery, University of Toronto
  • Cross-appointment Faculty Member at University of Toronto, Department of Medical Biophysics
  • Cross-appointment Faculty Member at University of Toronto Department of Physiology
  • Senior Scientist-Princess Margaret Cancer Centre, University Health Network, Toronto
  • General surgeon, University Health Network, Toronto, Ontario
    • Specialty: Surgical oncology- gastrointestinal malignancies
  • Assistant professor, Faculty of Medicine, Department of Surgery, University of Toronto

Section

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