Scientific Sessions

Invited Speaker Sessions

Invited speaker sessions feature some of the most prestigious experts in their fields. Organized by each of the four sponsoring societies, these sessions highlight a wide range of topics that appeal to a broad base of attendees. In the agenda book and mobile planner, invited presentations can be identified by their presentation numbers; all invited presentations being with “Sp.”  Below are examples of invited speaker sessions offered at DDW.  

  • Breakfast-with-the-Expert & Meet-the-Professor Luncheons: Sponsored by DDW in collaboration with the sponsoring societies, these 75‐minute sessions held Sunday, Monday and Tuesday provide the opportunity for attendees to interact with speakers in a small‐group setting. These sessions are ticketed and include breakfast or lunch.  
  • Clinical Symposium: Focus on clinical topics and sponsored by one or more of the four societies. They typically feature three to four speakers with presentations ranging from 20 to 30 minutes in length. Full length: 90 minutes
  • Committee Sponsored Symposium – These AGA sessions are sponsored by one of the AGA Institute Committees. Similar to other symposia, these are typically 90-minute sessions featuring three to four presentations. Some committee sponsored sessions are ticketed.
  • Focused Clinical Update and Focused Research Roundtable: Sponsored by AGA, these 75‐minute ticketed breakfast sessions feature moderators who analyze the most interesting and significant abstracts on specific topics. Abstracts are selected in advance of the meeting and shared with attendees of these sessions. FRRs address research topics while the FCUs center on important clinical topics.
  • Hands-On Sessions: Sponsored by ASGE and SSAT, these interactive sessions focus on specific procedures and allow participants to test techniques during the session. Sessions are 120-180 minutes in length and feature as many as 11 faculty members. All Hands-On sessions are ticketed.
  • Hepatology Update: Sponsored by AASLD, this three-hour course summarizes both clinical and basic research on topics that are highly relevant to the practice of hepatology and liver-based research. This course is ticketed.
  • Plenary: Plenary sessions are offered by all four societies and feature the year’s best abstracts and invited speakers.  AGA, ASGE and SSAT feature Presidential Plenary sessions that range from 90-210 minutes. Presentations are typically 15 minutes in length. Presidential Plenary sessions often include a Presidential Address and an award presentation.
  • Research Symposium: These 90-minute sessions focus on basic science topics and are sponsored by one or more of the four societies. These sessions typically feature three to four speakers with presentations ranging from 20 to 30 minutes in length.
  • State-of-the-Art Lecture: Typically 60 minutes in length, these sessions feature one keynote speaker on a given topic.  State-of-the-Art Lectures are offered by all four sponsoring societies.  
  • Translational Symposium: These 90-minute sessions focus on translational topics and are sponsored by one or more of the four societies. These sessions typically feature three to four speakers with presentations ranging from 20 to 30 minutes in length.

Abstract-Based Sessions

Abstract-based sessions feature new research findings. Abstracts are submitted to the sponsoring societies Oct. 20–Dec. 1 and are peer-reviewed by content experts. All accepted abstracts are published in either Gastroenterology or GIE: Gastrointestinal Endoscopy. Accepted abstracts may be presented in lecture or poster sessions. Below are examples of abstracts-based sessions at DDW.

  • Distinguish Abstract Plenary: Ninety minutes in length, these AGA sessions are sponsored by one of AGA’s sections and are comprised of six top‐ranking abstracts submitted to each section. Presentations are 15 minutes with three minutes of questions and answers included.
  • Late-Breaking Abstract Plenary: Sponsored by DDW, these sessions are 90 minutes in length and feature abstracts submitted during the February late-breaking submission period. Typically, there are two sessions — one clinically focused, one basic research focused.   
  • Poster Sessions: Sponsored by all four societies, poster sessions take place every day in the Poster Hall from noon–2 p.m. During this time, poster presenters will be at their posters to explain their findings and answer questions. Topics vary by day.
  • Quick Shots: These 90-minute sessions are sponsored by SSAT and DDW and feature 10-20 presentations. Speakers are given three to five minutes to provide a snapshot of their work. Questions and answers are not typically included.
  • Research Forum: These sessions are 90 minutes and feature five to six abstract presentations, and often an invited keynote presentation. Presentations are typically 15 minutes with three minutes of questions and answers included.
  • Topic Forum: These sessions are 90 minutes and feature five to six abstract presentations and often an invited keynote presentation. Presentations are typically 15 minutes with three minutes of questions and answers included.
  • Video Forum: These sessions are 90-250 minutes and feature video abstracts submitted to ASGE and SSAT.