ASH Annual Meeting Abstracts
About ASH Annual Meeting Abstracts
Abstracts submitted for oral and poster presentation at the ASH annual meeting represent important, novel research in the field and are considered the best of the thousands of abstracts submitted. Typically, more than 7,000 scientific abstracts are submitted each year, and more than 5,000 abstracts are accepted for oral and poster presentations through an extensive peer review process.
Key Dates and Deadlines
| Abstract submission site opens | May 29, 2025, 9:00 a.m. Pacific time |
| Abstract submission deadline | August 5, 2025, 11:59 p.m. Pacific time |
| Abstract withdrawal deadline | September 16, 2025, 11:59 p.m. Pacific time |
| Call for late-breaking abstract submissions | October 15-29, 2025, 11:59 p.m. Pacific time |
| Abstracts available online | November 3, 2025, 9:00 a.m. Eastern time |
| Abstract poster presentation materials due | November 10, 2025, 11:59 p.m. Pacific time |
| Late-breaking abstracts available online | December 1, 2025, 9:00 a.m. Eastern time |