Founded in 1995, the Americas Committee for Treatment and Research in Multiple Sclerosis (ACTRIMS®) is a leading community of experts from the United States and Canada dedicated to advancing treatment and research in multiple sclerosis (MS) and other demyelinating diseases. ACTRIMS is a hub for knowledge exchange, education, and collaboration across disciplines.
ACTRIMS hosts the Annual Forum, a premier event bringing together seasoned and emerging clinicians, researchers, and healthcare professionals. The Forum is a platform for exchanging groundbreaking discoveries, debating current challenges, and exploring advances in basic and clinical MS research. Next ACTRIMS Forum 2027 March 11-13 Phoenix, AZ
A core focus of ACTRIMS is fostering the next generation of MS specialists. Initiatives include the Neurology Resident Summit in Multiple Sclerosis, held alongside the Forum. The goal of the Resident Summit is to primarily educate fourth-year medical students, PGY-2 and/or PGY-3 residents about:

Every three years, ACTRIMS and ECTRIMS organize a joint meeting to foster global knowledge exchange and advance the field of MS and related disorders. MSToronto2026, the 10th Joint ACTRIMS-ECTRIMS Meeting, October 21-23 2026 will unite researchers, clinicians, and healthcare practitioners from around the world in Toronto, Canada. This premier event will offer unmatched access to international keynote lectures, expertly curated scientific and educational sessions, a diverse lineup of poster presentations, and invaluable networking opportunities—driving progress in MS research and treatment.
