CTN+, formerly known as the Canadian HIV Trials Network, is a federally funded, non-profit national research network headquartered in Vancouver. Established in 1990 and relaunched in 2024, CTN+ coordinates multi-centre clinical trials and community-driven research in HIV and other sexually transmitted and blood-borne infections. It supports more than 300 studies, engages over 140 investigators, and connects with patients and partners across Canada through a central administrative hub, regional teams, and thematic think tanks.