Dr. O'Callaghan received his Doctorate in Veterinary Medicine and MSc and PhD degrees in Epidemiology from the University of Guelph, based on work conducted on the epidemiology of infections of livestock while a Medical Research Council of Canada Fellow at the International Livestock Research Institute in Nairobi, Kenya. He continued his research and training in infectious diseases epidemiology as a Wellcome Trust Senior Research Fellow at the University of Warwick. In 2001 he joined the Canadian Cancer Trials Group where he continues to oversee the Gastrointestinal and Brain Site Committees as Senior Investigator. He is also a Professor in the Department of Public Health Sciences. His research interests are diverse and include clinical trials design and methodology and infectious disease epidemiology.

Areas of expertise: Gastrointestinal, Brain

Research interests: Clinical trials design, Methodology and Infectious Disease Epidemiology

Current trials: CE7, CE8, CEC6, CO21, CO27, CO28, CRC8, CRC9, GA1, GA3, HE1, BR31

For a full list of publications please visit PubMed