In general, the embargo on all abstracts accepted to an ASCO Meeting or co-sponsored Symposia lifts on the date and time the abstract is publicly released by ASCO. Meeting-specific embargo policies and information is provided below.

2021 ASCO Annual Meeting

ASCO Proceedings I and Publish Only Abstracts Released: Wednesday, May 19, 2021 at 5:00 p.m. ET
Late-Breaking Abstracts (LBAs) Released: Thursday, June 3, 2021 at 5:00 p.m. ET

Friday, June 4 - Tuesday, June 8

• Corporate and Institutional Public Relations Policies
• Abstract Policies (including Prior Presentation/Publication and Confidentiality Policies)
• Dates to Know
• Meeting Announcement
• Annual Meeting website

For Additional Information

Contact ASCO Communications for questions related to the embargo and/or confidentiality policies.