The Canadian Cancer Trials Group (CCTG) is a cancer clinical trials research cooperative conducting phase I-III trials to test anti-cancer and supportive therapies in over 80 institutions across Canada and internationally. From its centre at Queen’s University in Kingston, Ontario, CCTG has supported over 500 trials in over 40 countries, aimed at improving survival rates and quality of life for all people with cancer. CCTG is one of the national programs of the Canadian Cancer Society Research Institute (CCSRI).