Catherine O’Brien

150 150 UHN Colorectal Program

Catherine Adell O’Brien, MD, PhD, FRCSC

Surgeon Scientist, Princess Margaret Cancer Centre

Catherine OBrien

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

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.