• Registration for the 2018 ASTRO Research Workshop is now closed.

    Registration Fees, Deadlines and Categories

    Category Early-bird
    mid-February 2018- May 23, 2018
    May 24, 2018 -  June 27, 2018
    After June 27, 2018
    Research Workshop Only  Research Workshop and LOI Workshop*  Research Workshop Only  Research Workshop and LOI Workshop*  Research Workshop Only  Research Workshop and LOI Workshop* 
    General Attendee $300 $350 $350 $400 $400 $450
    Resident/Member-in-Training $200 $250 $250 $300 $300 $350

    *Letter of Intent (LOI) Workshop - This event will be taking place July 27, 2018 directly after the conclusion of the 2018 Research Workshop. For more information on this event and the program please visiting our LOI Workshop page.

    Meeting registration includes meeting materials, continental breakfast, lunch and coffee breaks.

    Breakout Sessions

    Breakout sessions are available to those who sign up for them. You can sign up for a breakout session at the time of online registration or onsite check-in. These sessions will break out on Friday, July 27, 2018, from 10:15 a.m. - 12:00 p.m. Breakout topics include:

    • Breakout 1: Microbiome involvement in radiation responses
    • Breakout 2: The immune response and influence of radiation
    • Breakout 3: Metabolism: how it affects the TME
    • Breakout 4: The role of the stroma in responses

    Government Employee Registration

    Please register online by using your government email address. This will walk you through the process of a government employee registration. This registration rate is only intended for government employees. Please be prepared to show your government issued identification when you check-in at the meeting.

    Registration Confirmation

    Individuals who register online will receive an instant email confirmation. If you fax or mail in your form, your registration confirmation will be sent via email within three to five business days. This will serve as your registration receipt. All on-site registrants will receive a receipt at the time of registration.

    Registration Deadline 

    Online registration will close Friday, July 20, 2018. Registrations after this date will be accepted onsite at the registration desk. 

    Mail/fax Form Processing Fee 

    Please note that all mailed and faxed registration forms will be assessed a $10 processing fee. To avoid being charged this processing fee, you may register online (Available in mid-February).

    If you would like to register by fax or email please contact

    Registration Cancellation and Refund Policy

    • Refunds will be given only if written notification is received on or before June 27, 2018. 
    • All refunds are subject to a $100 processing fee.
    • This policy applies to both the 2018 Research Workshop and the add on cost of the LOI Workshop. 
    • Telephone cancellations will not be accepted. 
    • No refunds will be given for requests received after June 27, 2018
    • Registration fees are not transferable. 
    • Registration refunds will be processed 30 days after the conclusion of the meeting. 

    Visa Information 

    In most cases, citizens of foreign countries will need a visa to enter the United States. It may take up to three months to obtain a visa. For additional information, please visit You must be registered and paid in full before you will be sent a visa letter of invitation. 

    Special Assistance

    Phone: 1-800-541-6058 or 703-449-6418
    Fax: 703-574-8332

    Registration Questions?

    Phone: 1-800-541-6058 or 703-449-6418
    Fax: 703-574-8332

  • Questions?

    If you have any questions regarding registration or hotel for the 2018 Research Workshop, please contact the Meetings Department or 703-839-7390.