The Multinational Association of Supportive Care in Cancer (MASCC) is an international multidisciplinary organization dedicated to research and education in all aspects of supportive care for people with cancer regardless of the stage of their disease. Founded in 1990, MASCC now includes 2100+ members from more than 70 countries.

MASCC 2026 – Save the date! The MASCC/ISOO Annual Meeting is the leading international, interdisciplinary event dedicated to supportive cancer care. Our 2026 theme—Coordinated and Individualized Supportive Cancer Care—reflects our commitment to advancing care that is both evidence-based and patient-centered.
