Original research that has been completed after the regular abstract submission deadline is now eligible for submission as a late-breaking abstract. The content must be considered as urgent and significant in nature to be considered in this category. Priority will be given to clinical trial findings and research that is matched to the meeting themes:
- Overall Theme: Coordinated and Individualized Supportive Cancer Care
- “Mind the Gap”: Maximizing Access to Supportive Care for All
- Lifestyle and Behavioral Support in Cancer Care
- Optimizing Toxicity Management of Novel Therapies
Authors of accepted abstracts will be invited to present at the MASCC/ISOO 2026 Annual Meeting and will also have their abstracts published in our journal Supportive Care in Cancer (electronic version only)*.
*One co-author must be registered to attend by the early bird deadline to be eligible to present at the Annual Meeting and to be published in the journal.
Abstract Submission Deadline: March 11, 2026 at 3:00 PM EDT
