Registration Desk

Location: Ballroom Level - Cherry Blossom Lobby

• Wednesday, Nov. 5
  • 7 a.m.–5 p.m.
• Thursday, Nov. 6
  • 7 a.m.–7 p.m.
• Friday, Nov. 7
  • 6:30 a.m.–5 p.m.
• Saturday, Nov. 8
  • 7 a.m.–5 p.m.
• Sunday, Nov.9
  • 7:30 a.m.–10 a.m.

Forward Fund Desk

Stop by the Forward Fund Desk to learn about the ways SITC supports early career scientists, provides critical research funding through awards, and honors luminaries in the field of cancer immunotherapy. Purchase your band t-shirt and pick up your ticket for the 40th Anniversary Party ft. The CheckPoints, where we'll celebrate 40 years of Mad Science.

Location: Potomac Ballroom Hallway

• Wednesday, Nov. 5
  • 7 a.m.–5 p.m.
• Thursday, Nov. 6
  • 7 a.m.–7 p.m.
• Friday, Nov. 7
  • 7 a.m.–5 p.m.
• Saturday, Nov. 8
  • 7 a.m.–7 p.m.

Publication

Regular and Young Investigator Award Abstracts submitted in conjunction with the 40th Anniversary Annual Meeting will be published on Nov. 4, 2025 in the Journal for ImmunoTherapy of Cancer (JITC), SITC’s official journal. Late-Breaking Abstracts will be published on Nov. 7, 2025.  All abstracts will also be available on the SITC website. 

Oral Abstracts

Abstracts are presented during various Annual Meeting sessions throughout the 40^th Anniversary Annual Meeting as well as during the Concurrent Basic Research and Clinical Rapid Oral Abstract Presentation Sessions on Friday, Nov. 7 from 12:30–1:30 p.m. and Saturday, Nov. 8 from 12:30–1:30 p.m. 

Late-Breaking Abstracts

Late-breaking Abstract oral presentations will be held Friday, Nov. 7 from 11:30 a.m.–12:15 p.m. and Saturday, Nov. 8 from 1:45–3 p.m.

In Person Poster Hall Information

Poster Hall Location

• Gaylord National Resort & Convention Center – Exhibit Halls AB

Poster Hall Hours

• Friday, Nov. 7 from 10 a.m.–7 p.m.
• Saturday, Nov. 8 from 10 a.m.–6:35 p.m.

Poster Presentation Hours

• Odd Numbered Posters (Poster Authors are Present)
  • Friday, Nov. 7 from 12:15–1:45 p.m.
  • Friday, Nov. 7 from 5:35–7 p.m
• Even Numbered Posters (Poster Authors are Present)
  • Saturday, Nov. 8 from 12:15–1:45 p.m.
  • Saturday, Nov. 8 from 5:10–6:35 p.m.

Virtual Poster Hall Information

• Accessing ePosters
  • ePosters will be available on the virtual meeting platform and the SITC 2025 app. Click “ePosters” tile from the main page.
• Navigating ePosters
  • Search ePosters by:
    • Abstract Category
    • Author
    • Title
    • Abstract Number
    • Late-breaking Abstracts
    • Top 100 scored Abstracts
    • Young Investigator Award Abstracts
• Global Search: type any search term, author name, etc. in the search field

Opportunities for Questions with Presenters

• Take advantage of the opportunity to interact with ePoster presenters by adding a question or a comment to the Chat Box associated with each ePoster.
• Thank you to those individuals who submitted an abstract to SITC’s 40^th Anniversary Annual Meeting and to those who dedicated time to review abstracts this year.

Note: If you’re an abstract presenter, view more information on our presenter information page.

Are meals included during the Pre-conference Programs & Annual Meeting?

Whether you’re looking for something classic that comforts your palate or something new to feed your adventurous side, National Harbor’s roster of over 40 restaurants is ready for you.

Browse Dining Option at National Harbor

Meals are not provided unless noted, and at times a separate fee is paid.  Below is a listing of what is provided with the registration fee.

Concessions for Purchase                           

SNACKS & BEVERAGES

• Packaged Snacks/Granola Bars ($4)
• Whole Fruit ($4)
• Pepsi Soft Drinks, Aquafina Water or Juice ($5)
• Small Coffee or Tea ($4)

LUNCH ENTREES

• Soup & Packaged Crackers ($8)
• Garden Salad w/Dressing Packets ($12)
• Fish Taco's w/Salsa ($17)
• Orange Chicken & Vegetable fried Rice ($17)

DESSERT

• Individual Mousse Cup ($6)
• Banana Pudding ($6)
• Packaged Chocolate Macaroons ($6)
• Individually Wrapped Cookies or Brownies ($6)
• Berry Cheesecake ($6)

Wednesday: Nov 5, 2025

World Immunotherapy Council (WIC) Symposium
Coffee and Tea will be provided during the program.  

SITC Regulatory Roundtable
Lunch is included with the registration fee. 

The New Frontier of IO Drug Development: Bispecifics, in vivo CAR T, and Novel Combinations
Coffee and Tea will be provided during the program breaks. A reception will follow with light food; beverages available for purchase at Cash Bar.

Thursday: Nov 6, 2025

Primer on Tumor Immunology and Cancer Immunotherapy™
Coffee and Tea will be provided during the program. Lunch is on your own.

Leveraging the Power of Artificial Intelligence to Foster Progress in Immuno-oncology: Opportunities and Challenges
Coffee and Tea will be provided during the program. Lunch is on your own.

40^th Anniversary Annual Meeting

Friday: Nov 7, 2025

Morning
Continental breakfast along with Coffee and Tea will be provided prior to the first session. Coffee and tea will also be provided during the afternoon session break.

Lunch
Lunch is available for purchase in the Exhibit and Poster Hall.

Sponsored Symposia
Box lunches are provided for attendees of these sessions. 

Poster Viewing and Reception
Light food is available during the reception. Beverages available for purchase – two drink tickets are provided with the registration fee for redemption at either poster reception.

Saturday: Nov 8, 2025

Morning
Continental breakfast along with Coffee and Tea will be provided prior to the first session. Coffee and tea will be provided during the afternoon session break.

Lunch
Lunch is available for purchase in the Exhibit and Poster Hall.

Sponsored Symposia
Box lunches are provided for attendees of these sessions.

Poster Viewing and Reception
Light food is available during the reception. Beverages available for purchase – two drink tickets are provided with the registration fee for redemption at either poster reception.  

40^th Anniversary Party featuring The Checkpoints
A reception with light food and 1 drink ticket will be provided with an Anniversary ticket purchase; additional beverages available for purchase at Bar.

Sunday: Nov 9, 2025

Morning
Continental breakfast along with Coffee and Tea will be provided prior to the first session. Coffee and Tea will also be provided during the morning break.

If you have specific questions about meals, please email events@sitcancer.org. 

National Harbor offers a variety of convenient parking options including covered garages, surface lots and metered street parking.

With ample parking garages, surface lots and metered street parking, you'll find the perfect spot just steps away from shopping, dining and entertainment. Plan your visit today and park with ease!

Pre-book your parking for a more convenient and hassle free travel experience.

Annual Meeting Special!

Join SITC during the Annual Meeting and enjoy membership through 2026—the rest of 2025 is FREE! Plus, you’ll receive a complimentary gift just for joining!

Visit the SITC booth in the exhibit hall to become part of the only member-driven society dedicated to advancing cancer immuno-oncology (IO).

Annual Meeting Special!

Now through November 30, enjoy 40% off a single, 3- or 5-pack of postings on SITC’s Career Connections – just use code SITC40YEARS for a single posting or SITC40YEARSPACK for 3- and 5-packs at checkout!

Celebrate our anniversary with this limited-time promotion and get your positions filled faster. Don’t miss this chance to attract top cancer IO talent – post today on the SITC Career Connections Online Job Board.

To gain access to the Gaylord National Resort mother's nursing room, located on the lobby level in the restroom corridor next to the Concierge desk, please request a key from one of the Front Desk Associates. For any milk refrigeration needs, please secure it in a self-provided labeled plastic bag and provide it to the Front Desk Agents where it can be checked-in and checked-out.

The SITC 2025 online registration platform will allow attendees to select from in-person and virtual programs. If you have questions with your registration, please email Showcare at sitc@showcare.com or by calling 1-866-320-3203.

Registrants who select to attend Annual Meeting and/or Pre-Conference Programs in person can participate in the onsite meeting and will be granted access to the virtual enduring materials for the selected program(s). Attendees who participate in-person have access to onsite networking opportunities, poster hall and exhibit hall. The virtual meeting platform, including live-streamed content, virtual networking, ePoster hall and virtual exhibits, is available to all registrants for their selected program(s).

Registrants who select to attend the Annual Meeting and/or Pre-Conference Programs virtually will receive access and enduring materials for their selected program(s) using a virtual meeting platform. Attendees who participate virtually will have access to live-streamed presentations with the ability to participate in live Q&A for program(s) for which they have registered. The virtual meeting platform includes virtual networking opportunities, an ePoster hall and virtual exhibits.

Additional programs purchased by in-person attendees can be virtual or in person.

All changes and cancellations must be sent in writing via email to SITC@showcare.com.  A $50 processing fee will be charged for all cancellations. No refunds will be granted if cancellation is received after Oct. 10, 2025. Special considerations will be given for health or family emergencies if requested in writing no later than Nov. 23, 2025.

There is no deadline or fee to change a registration from virtual or in-person. Changes can be requested by emailing the official SITC registration vendor Showcare at SITC@showcare.com, or they can be reached by phone at 1-866-320-3203.

All attendees must be registered in order to book housing. Attendees will be able to reserve their housing within the registration process.

All changes and cancellations must be sent in writing via email to SITC@showcare.com. You may also make changes by logging into your registration record by 5 p.m. ET on Wednesday, Oct. 8, 2025. No changes will be accepted between 5 p.m. ET on Wednesday, Oct. 8, 2025, and Monday, Oct. 13, 2025, while reservation information is being prepared and transferred to the hotels. Cancellations or changes as of Tuesday, Oct. 14, must be made directly with the hotels. Change requests will be made on a space-available basis. (If you make changes directly with the hotel on or after Tuesday, Oct. 14, 2025, this information will not be reflected in your SITC registration account.

Cancellation requests received by the hotel 72 hours or less prior to arrival and no-shows will forfeit the one-night room & tax deposit, and the rest of the stay will be cancelled. SITC 2025 is not responsible for no-shows or early departure fees charged by the hotels or rooms resold due to non-arrival. 

SITC 2025 takes no responsibility should a room preference not be available at check-in. Please visit the hotel’s websites for check-in and check-out times.  

No, SITC does not offer group registration discounts and all attendees must have their own individual meeting registration. If someone would like to pay for multiple attendees, please contact the SITC Meetings Team at events@sitcancer.org.

All meeting times listed for SITC 2025 are in Eastern Time (ET).

An electronics-free quiet space will be located on National Harbor Level of the Gaylord Resort & Convention Center, National Harbor Room 9. All attendees are welcome to use this room to meditate, practice religion, reflect, relax and escape the excitement of the SITC events. Please no cell phone use.

The resort does not offer an airport shuttle service to nearby airports. Guests may arrange for taxi or car ride app services. Once on-property, Private Car Services and Limousine/Van services are available.

If you are facing financial hardship, visit the SITC 2025 Hardship Request for Registrations webpage to learn about SITC’s program to help with Annual Meeting & Pre-Conference Program registration and housing.

Printed program books will not be provided. In support of SITC’s commitment to sustainability, all program details are available on the virtual meeting platform, mobile app, and Annual Meeting website.

The platform is tentatively scheduled to launch on Thursday, Oct. 30, 2025. The platform will close on Tuesday, Jan. 13th, 2026.

Registrants will be able to login to the app beginning on Friday, Oct. 31, 2025. All registrants (virtual and in‐person) will be able to access the SITC 2025 mobile app. The app can be downloaded through the App Store or Google Play Store.  

The virtual platform can be access via https://2025.sitc.showcare.io.
The SITC 2025 app can be downloaded through the App Store or Google Play store. 

Instructions on how to access the platform and mobile app have been sent to each attendee via email and the login information is the same for both the app and the platform: 

• Username: The email used to register
• Password: Registration ID (found in your registration confirmation email and on badges)

Both the virtual platform and the app feature include livestreamed sessions, a virtual exhibit hall, ePoster hall, networking capabilities, a live agenda, and much more.

The virtual exhibit hall and virtual Q&A for ePosters will only be available through the virtual platform. 

• Abstract titles and authors for oral abstract presentations will be available on the virtual platform on Thursday, Oct. 30, 2025 and the mobile app on Friday, Oct. 31, 2025.
• Abstract titles and authors will be available on the microsite (https://www.sitcancer.org/2025/abstracts/titles-and-publications), on Oct. 3 at 9 a.m. ET for Regular and YIA abstracts, and on Oct. 30 at 9 a.m. EDT for LBAs.
• The full abstract publication will only be available through the JITC site and will be available on Nov. 4 at 8 a.m. CT/ 9 a.m. ET. (Full abstracts will not be posted on the virtual platform or app.)

• ePosters will be available through the virtual platform and app beginning Nov. 7, 2025 at 9 a.m. CST.
• Though SITC strongly encourages authors to include them, ePosters are optional for poster presenters. If there is not an ePoster available under the poster title, it has not been submitted by the author.
• ePosters on the virtual platform will be available through Jan. 13, 2026 when the platform closes. ePosters are not accessible after that date or available for purchase.

• The full sessions will be available on the Virtual Meeting Platform up to 48 hours after the end of a session. The recordings, once available, will replace the previously live sessions in the “Sessions” portion of the virtual meeting site. The virtual meeting platform will be available to registered attendees through Jan. 13, 2026.
• Attendees will only have access to the sessions/presentations that they registered for.
• Slides will be posted, as permitted by presenters, after Jan. 13, 2026 on the SITC website. 

Yes, the ePosters provided will be available for download only on the app.  

Registrants will be able to login to the app beginning on Friday, Oct. 31, 2025. All registrants (virtual and in‐person) will be able to access the SITC 2025 mobile app. The app can be downloaded through the App Store or Google Play Store.