Inflammatory Bowel Diseases

16th Congress of ECCO, July 2-3 & 8-10, 2021, Virtual

Submit an abstract

Call for abstracts

The ECCO'21 abstract submission is now closed. Thank you very much for your contributions!

Key dates

June 2, 2020         Call for abstracts
March 10, 2021
  Deadline for abstract submission (23:59 CET)
April 23, 2021   Notification of abstract acceptance/rejection
July 2-3 & 8-10, 2021 16th Congress of ECCO


Please pay careful attention to the ECCO'21 guidelines for abstract submission.
Abstracts sent by mail, e-mail or fax will not be accepted.
Upon submission, abstracts can be reviewed or withdrawn in the abstract submission system, but not edited. The submitter does not necessarily have to be the primary author. Once the submission deadline has passed, abstracts can only be withdrawn in writing.


All abstracts submitted by March 10, 2021 (23:59 CET) will be evaluated by a panel of reviewers.
A submitted abstract may be considered for oral presentation (ranking among the best 40 abstracts), digital oral presentation (the next best 90 abstracts in ranking) or hard copy poster presentation.


Notifications of abstract acceptance will be e-mailed to the authors by April 23, 2021.
Please note that accepted abstracts will only be included in the final programme if the respective presenting author has formally registered and paid the registration fee.


Please pay careful attention to the ECCO'21 guidelines for abstract presentation.

  • The 40 best abstracts will receive an oral presentation slot in the scientific programme of the 16th Congress of ECCO
  • The next best 90 abstracts will be digital oral presentations, with a 5-minute oral presentation either on Thursday, July 8, 2021 or Friday, July 9, 2021.
  • The remaining accepted abstracts will be displayed as hard copy posters for the duration of the Congress


Every year, chairs of the digital oral presentation sessions select the Top 10 Digital Oral Presentations. At the closing of the congress, these TOP 10 DOPs are awarded with a prize: A certificate of award and also free congress registration to the 17th Congress of ECCO. Awarding will take place during the session "Awards and closing remarks" on Saturday, July 10, 2021, 12:50-13:05.
ECCO strongly encourages young investigators to submit their original work.

Embargo policy

All abstracts will be available on the congress website ca. 1 month prior to the Congress. Information on abstracts accepted to the 16th Congress of ECCO will be under embargo from release until the start of the 16th Congress of ECCO.
Data from abstracts accepted to the 16th Congress of ECCO are under media embargo from abstract acceptance as of April 23, 2021, until the date and time of their presentation as part of the official scientific sessions (Time zone: CET). For the exact presentation time of Oral presenations and Digital oral presentations, please refer to the schedule of the scientific programme. The e-Poster presentation time is Friday, July 9, 2021, 12:30 (CET). 
Copyright to abstracts (both oral and poster) on the website resides with the respective authors. The use, reproduction, or transcription of content for any commercial purpose is prohibited without the written permission of the abstract authors. Requests for permission can be directed to the author via the This email address is being protected from spambots. You need JavaScript enabled to view it..