The Annual Meeting will be presented over two one-week periods in April and May 2021.

Week 1: April 10-15, 2021
Week 2: May 17-21, 2021

Meeting Dates. The AACR Annual Meeting will be presented on the following schedule:

  • Week 1: April 10-15, 2021. The first week will feature the opening ceremony, plenary sessions, major scientific sessions, and award lectures. All proffered abstracts that are accepted for presentation – including clinical trials and late-breaking abstracts – will also be presented in plenary sessions, minisymposia, and ePoster sessions during this week.
  • Week 2: May 17-21, 2021. The second week will feature education sessions, methods workshops, meet the expert sessions, and professional advancement sessions.

Specific session dates and times will be assigned by the program committee and will be announced in mid-January 2021. A current list of session titles is available on the Annual Meeting Program page.

Registration. Meeting registration includes access to both weeks of the Annual Meeting as well as on-demand access to all sessions through Monday, June 21. Registration will be open through the beginning of the meeting.

Registration is available through the myAACR portal. You will need to login into your myAACR account or create an account to register for the meeting. You must be current in your dues at the time of registration to receive the AACR member rate. If you need to pay your member dues or update your profile information before registering, log into your myAACR account or contact the myAACR Help Desk for assistance.

If you are a nonmember but would like to apply for AACR membership to be eligible for the member rate, you must submit your application by April 5, 2021, to register before the meeting.

Exhibits. The Annual Meeting will include a robust exhibit show to enable registrants to learn more about the products and services of interest to them. If your company would like to participate in the exhibit show, contact the AACR Exhibits team at

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