The full text of the abstracts selected for oral and poster presentations will be available on the meeting website and the online conference planner. All abstracts will be published in a future supplement of the International Journal of Radiation Oncology•Biology•Physics (Red Journal).
All abstracts are embargoed and remain confidential until 8:00 a.m. Pacific time, Tuesday, February 17, 2026. If you have any questions about the embargo policy, please contact ASTRO’s media relations team.
View the abstract submission guidelines.
Because of the nature of the programs and forums, no one under the age of 18 will be admitted to any official Symposium function without first being registered by their parent or guardian. Children and caregivers will need to be registered at the on-site Symposium Registration Desk at the JW Marriott Desert Springs. All attendees must adhere to the Attendee Policies.
Strollers, baby carriers or similar devices are permitted in meeting rooms and the Exhibit Hall (during regular Exhibit Hall show hours only) as long as they do not block aisles or emergency exits. Parents/guardians who bring children into meeting sessions, the Exhibit Hall, or any other meeting functions or areas are asked to help maintain a professional, disturbance-free environment. Children must be supervised at all times.
The Exhibit Hall is located in Springs Ballroom G and will be open during the following hours:
JW Marriott Desert Springs
74-85 Country Club Drive
Palm Desert, CA 92260
Continental breakfast will be provided Tuesday and Wednesday in the Exhibit Hall, located in Springs Ballroom G.
Morning coffee breaks will be provided in the Exhibit Hall on Tuesday and Wednesday. Afternoon coffee break will be provided on Wednesday.
Lunch will be provided on Tuesday and Wednesday in the Exhibit Hall.
To be eligible to receive continuing education credit, attendees must complete the online credit evaluation by March 23, 2026. To access your evaluation, log in to ASTRO Academy (My Activities→Pending activities) with your ASTRO credentials. Learn more about continuing education for the Symposium.
Physicians
Physician attendees can access, print and save their AMA PRA Category 1 Credit™ certificate in the ASTRO Academy upon completion of the credit evaluation by the deadline.
Physicists
Physicist attendees will not receive certificates of credit from ASTRO. The names of physicist attendees who complete the credit evaluation in the ASTRO Academy by the deadline will be sent to CAMPEP 45 days after the meeting.
Advanced Practice Providers
Advanced practice provider attendees will not receive certificates of credit from ASTRO. Advanced practice provider attendees can request a certificate of attendance that includes the AMA PRA Category 1 Credit™ statement along with a transcript of sessions attended when completing the evaluation in the ASTRO Academy by the deadline.
Meeting Experience Survey
Attendees will also receive a meeting experience survey via email. We appreciate your valuable feedback and encourage all attendees to complete the survey.
A printed Pocket Program will be available for you when you check in on site. Please remember to bring a notebook or laptop for your own personal use if you plan to take extensive notes.
Disclosure information will be available online for committee members and faculty. In addition to being available online, disclosure slides will be shown at the beginning of each session. Disclosure information will not be printed in the Pocket Program.
Experience the 2026 Multidisciplinary Radiopharmaceutical Therapy Symposium long after its over! Learn about the Virtual Meeting benefits.
Poster Session and Networking Reception
Date: Tuesday, February 17
Time: 4:15 p.m. - 5:30 p.m.
Location: Exhibit Hall, Springs Ballroom G
The Poster Session will highlight the top posters. Each presenter will have five minutes to discuss their poster and two minutes for questions and answers.
For questions related to housing, registration and travel, contact the ASTRO Meetings Department.
For all other questions or concerns, contact the Specialty Meetings team.
As per the Attendee Policies, copyright of all aspects of the Symposium, including recordings and/or reproductions of meeting sessions, programs, presentations, discussions and other scheduled events (“Symposium Content”) is owned by ASTRO. ASTRO reserves the rights to all Symposium Content, including to digitize, modify, alter, edit, adapt, create derivative works, display, publicly perform, exhibit, transmit, broadcast, reproduce, exploit, sell, rent, license, otherwise use and permit others to use, such Symposium Content. Photographing, filming, taping, recording or any form of capture or reproduction in any medium of any aspect of the Symposium, including, but not limited to programs, presentations, posters, material, sessions, networking activities, discussions, attendees, exhibitors, the Exhibit Hall and/or exhibits at the Symposium are strictly forbidden without written authorization from ASTRO. ASTRO does allow limited non-flash photography and audio or video recording using hand-held devices of ASTRO Sessions solely for personal and non-commercial use and only to the extent that such activity is not disruptive as determined by ASTRO in its sole discretion.
Attendees will be able to pick up their badges at the Registration Desk, located at the South Registration Counter, during the following hours:
In every session, attendees may use their own electronic devices (phone, tablet, laptop) in addition to the Q&A microphones provided in the session room to submit questions to the speakers and moderators. Attendees will be able to see the questions that others have asked and can up-vote questions that they want to have answered.
Speakers may also utilize the technology to poll the audience with interactive, audience response questions.
To participate using the Social Q&A platform, please visit astro.org/RPTSocialQA and select your session to submit questions. Polls will automatically appear on your device when they open for responses. For further information, please contact the Specialty Meetings team.
For Virtual Symposium questions and technical support, please visit the Virtual Symposium Guide.
The Symposium onDemand is included with Full Conference registration. Access the recordings in the ASTRO Academy (My Activities→Pending activities) beginning March 2, 2026.
