The 2025 Annual Meeting of the American Society of Clinical Oncology (ASCO) is scheduled to take place from May 30 to June 3, 2025, in Chicago, IL, USA. Join over 40,000 oncology professionals from across the globe for this premier event. Stay informed about the latest advancements in cancer research, gain valuable insights from leading experts, and engage with one of the largest and most diverse oncology communities—whether attending in person or virtually.

OCTOBER 1, 2024
ASCO Voices Auditions Open

NOVEMBER 2024
Abstract Submission Opens

EARLY DECEMBER 2024
Member Registration & Hotel Reservations Open

MID-DECEMBER 2024
Registration & Hotel Reservations Open to All

JANUARY 28, 2025 at 11:59 PM ET
Abstract Submission Deadline

MARCH 5, 2025 at 12:00 PM ET
Late-breaking Submission Deadline (Abstract placeholder is required by the January 28 deadline)

MARCH 25, 2025
Abstract Notifications Sent to First Authors

APRIL 6, 2025
Abstract Withdrawal Deadline

APRIL 23, 2025
Hotel Reservation & Early Registration Deadline

APRIL 23, 2025
Abstract Titles, including LBAs, Posted on meetings.asco.org

MAY 12, 2025
Oral Abstract Presenters deadline to submit their draft slide decks on ASCO's Speaker Center Website

MAY 19, 2025
Faculty, Poster Presenters, and Rapid Oral Presenters deadline to submit their presentation materials (slide decks, posters) on ASCO's Speaker Center Website

MAY 22, 2025, at 5PM ET
Majority of abstracts are released on asco.org/abstracts at 5:00 PM ET (Late-breaking Abstracts will be released at 7:00 AM CT on their day of presentation at the meeting)

MAY 30 - JUNE 3, 2025
ASCO Annual Meeting (Chicago, IL)

Future Meetings

MAY 29 - JUNE 2, 2026
Chicago, IL

JUNE 4 - 8, 2027
Chicago, IL

More details are available at https://conferences.asco.org/am/attend.