Ontario Clinical Oncology Group

The Ontario Clinical Oncology Group (OCOG) works with investigators to design and conduct clinical trials through collaboration and scientific and methodological rigour; its office is at the Juravinski Hospital, G (60) Wing, 711 Concession Street, Hamilton, Ontario, with a McMaster University contact address (ocog.ca). No founding year is stated on the pages read. ClinicalTrials.gov names it lead sponsor (OTHER class, with the British Columbia Cancer Agency and McMaster University as collaborators) of LUMINA (NCT01791829, phase 2, omission of radiotherapy after breast-conserving surgery in low-risk luminal A breast cancer), the trial recorded in OnCo. It has no products of its own.