prof. dr. B.L.A.M. (Bas) Weusten

Full Professor

  • Gastroenterology and Hepatology

prof. dr. B.L.A.M. (Bas) Weusten

Research Programs


Bas L.A.M. Weusten (1967) is professor at the Department of Gastroenterology and Hepatology at UMC Utrecht, The Netherlands. He has as graduated from medical school at Utrecht University, the Netherlands. He has written his PhD thesis on gastroesophageal reflux disease and esophageal perception from 1992 to 1995. After his traineeship in gastroenterology he became a staff member at St Antonius Hospital in Nieuwegein, the Netherlands in 2002.


In 2011 he became professor of Innovative GI Endoscopy at the University Medical Center in Amsterdam. In 2017 he moved to Utrecht, where he became appointed as  professor of GI Endoscopy at the University Medical Center Utrecht. He chaired the Dutch society for gastrointestinal endoscopy for many years.


His main focus in both clinical work and research is on endoscopic management of early neoplasia of the upper GI tract. He leads the endoscopic esophageal research group in the RAKU (Regionaal Acedemisch Kanker Centrum) collaboration. He has been involved in several national and international guidelines, and chaired the ESGE Position Statement on the Endoscopic Management of Barrett’s Esophagus. 

Side Activities

  • 2009-2010: Member Dutch Guideline Committee Gastric Cancer

    2010-2018: Chair section Digestive Endoscopy NVGE

    2012-2020: Member Scientific Advisary board St Antonius Research Fund

    2014-2015: Member Dutch Guideline Committee Barrett’s Oeosophagus

    2016-2017: Chair ESGE Positition Statement on Barrett’s Oesophagus

    2016-2019: Member ESGE (European Society for Gastrointestinal Endoscopy) Research Upper-GI Working group

    2016-2018: Member ESGE (European Society for Gastrointestinal Endoscopy) WG QIC Performance measures upper GI endoscopy

    2017-2018: Member ESGE European Society for Gastrointestinal Endoscopy)curriculum WG on ESD

    2017-2020: Member ESGE (European Society for Gastrointestinal Endoscopy) Guideline Committee

    2018-2019: Member UEG (United European Gastroenterology) guideline on Achalasia

    2018-2020: Chair ESGE (European Society for Gastrointestinal Endoscopy) position statement on endoscopic management of GI motility disorders

    2019-2022: Member Medical Advisary Board ECM Therapeutics

    2019-2022: Member organizing committee ESGE-days 2020-2021

    Reviewer for several international journals


Research Output (105)

A novel cryoballoon ablation system for eradication of dysplastic Barrett's esophagus:a first-in-human feasibility study

van Munster Sanne Noortje, Overwater Anouk, Raicu Mihaela G M, Seldenrijk Kees C A, Nagengast Wouter B, Schoon Erik J, Bergman Jacques J G H M, Weusten Bas L A M mrt 2020, In: Endoscopy. 52 , p. 193-201 9 p.

Results of a two-phased clinical study evaluating a new multiband mucosectomy device for early Barrett’s neoplasia:a randomized pre-esophagectomy trial and a pilot therapeutic pilot study

Belghazi K., Schölvinck D. W., van Berge Henegouwen M. I., Gisbertz S. S., Weusten B. L., Meijer S. L., Bergman J. J., Pouw R. E. 16 sep 2019, In: Surgical endoscopy. 33 , p. 2864-2872 9 p.

Self-sizing radiofrequency ablation balloon for eradication of Barrett's esophagus:results of an international multicenter randomized trial comparing 3 different treatment regimens

Belghazi K., Pouw Roos E., Koch Arjun D., Weusten Bas L.A.M., Schoon Erik J., Curvers Wouter L., Gotink Annieke W., Mostafavi N., Haidry Rehan J., Pech Oliver, Bergman Jacques J.G.H.M., Bisschops Raf 1 sep 2019, In: Gastrointestinal Endoscopy. 90 , p. 415-423 9 p.

Optimizing histopathologic evaluation of EMR specimens of Barrett's esophagus-related neoplasia:a randomized study of 3 specimen handling methods

Overwater A., van der Meulen K. E., Künzli Hannah T., Schoon Erik J., Bergman Jacques J.G.H.M., Mihaela Raicu G., Seldenrijk Kees C.A., Weusten Bas L.A.M. sep 2019, In: Gastrointestinal Endoscopy. 90 , p. 384-392.e5

Curriculum for endoscopic submucosal dissection training in Europe:European Society of Gastrointestinal Endoscopy (ESGE) Position Statement

Pimentel-Nunes Pedro, Pioche Mathieu, Albéniz Eduardo, Berr Frieder, Deprez Pierre, Ebigbo A., Dewint Pieter, Haji Amyn, Panarese Alba, Weusten Bas L.A.M., Dekker Evelien, East James E., Sanders David S., Johnson Gavin, Arvanitakis Marianna, Ponchon Thierry, Dinis-Ribeiro Mário, Bisschops Raf 30 aug 2019, In: Endoscopy. 51 , p. 980-992 13 p.

Impact of ablation of Barrett's esophagus with low-grade dysplasia on patients’ illness perception and quality of life:a multicenter randomized trial

Rosmolen Wilda D., Phoa Nadine K.Y.N., Nieuwkerk Phytia T., Pouw Roos E., Weusten Bas L.A.M., Bisschops Raf, Schoon Erik J., Sprangers Mirjam A.G., Bergman Jacques J.G.H.M. 1 aug 2019, In: Gastrointestinal Endoscopy. 90 , p. 215-221 7 p.

Prospective study of endoscopic focal cryoballoon ablation for esophageal squamous cell neoplasia in China

Ke Yan, van Munster Sanne N., Xue Liyan, He Shun, Zhang Yueming, Dou Lizhou, Liu Yong, Liu Xudong, Liu Yumeng, Li Wei, Lv Ning, Dawsey Sanford M., Weusten Bas L.A.M., Bergman Jacques J.G.H.M., Wang Guiqi 1 aug 2019, In: Gastrointestinal Endoscopy. 90 , p. 204-212 9 p.

Reply to Dong et al

Walter Daisy, van den Berg Maarten W, Hirdes Meike M, Vleggaar Frank P, Repici Alessandro, Deprez Pierre H, Viedma Bartolomé L, Lovat Laurence B, Weusten Bas L, Bisschops Raf, Haidry Rehan, Ferrara Elisa, Sanborn Keith J, O'Leary Erin E, van Hooft Jeanin E, Siersema Peter D jul 2019, In: Endoscopy. 51 , p. 700

Durability of radiofrequency ablation for treatment of esophageal squamous cell neoplasia:5-year follow-up of a treated cohort in China

Yu Xinying, van Munster Sanne N., Zhang Yueming, Xue Liyan, Fleischer David E., Weusten Bas L.A.M., Lu Ning, Dawsey Sanford S.M., Bergman Jacques J.G.H.M., Wang Guiqi 1 apr 2019, In: Gastrointestinal Endoscopy. 89 , p. 736-748.e2

Blue-light imaging has an additional value to white-light endoscopy in visualization of early Barrett's neoplasia:an international multicenter cohort study

de Groof Albert J., Swager Anne Fré, Pouw Roos E., Weusten Bas L.A.M., Schoon Erik J., Bisschops Raf, Pech Oliver, Meining Alexander, Neuhaus Horst, Curvers Wouter L., Bergman Jacques J.G.H.M. 1 apr 2019, In: Gastrointestinal Endoscopy. 89 , p. 749-758 10 p.

All Research Output (105)