epression is a major public health issue in Canada. 1 About 8% of adults aged 25-64 years are projected to experience major depression at some time in their lives. 2 Depression is estimated to account for at least $32.3 billion of direct and indirect costs to this nation annually. 3 Continued investment in research that explores prevention and treatment is needed, 4,5 in particular through engaging patients (i.e., people with depression, family members and informal caretakers) in this endeavour to better ensure that research is relevant to their needs. Patient engagement occurs "when patients meaningfully and actively collaborate in the governance, priority setting, and conduct of research, as well as in summarizing, distributing, sharing, and applying its resulting knowledge." 6 However, research findings suggest that medical research topics are selected predominantly by researchers and funding agencies, with little input from patients themselves, 7 and that, even when patients are engaged in setting research priorities, their opinions are sometimes overlooked. 8 Engaging people with lived experience of a health situation in setting research priorities is one structured way of influencing researchers and research funders to consider their opinions.