Christian Maaser

Dr Christian Maaser completed his medical training at Philipps University Marburg and the University of Hamburg. In 2006 he became board certified in Gastroenterology, and in 2011, became board certified in geriatric medicine. In 2014, he obtained a position as Head of the gastrointestinal (GI) and inflammatory bowel disease (IBD) outpatient department and Head of the Department for Geriatric Medicine, University Teaching Hospital Lüneburg, Germany.
Dr Maaser’s research interests include clinical and diagnostic studies in IBD; multicentre, as well as investigator-initiated, clinical trials with a focus on bowel ultrasonography and immunoprophylaxis; IBD in the aged patient; the role of intestinal epithelial cells in the mucosal host defence; the functional role of human intestinal endothelial cells; and the potential of the melanocortin system and its related peptides for the treatment of IBD.
Dr Maaser has been the President of the German working group for IBD (DACED) since 2012. He is a member of the Steering Committee of the German IBD Study Group. In addition, he is the Chair of the International Bowel Ultrasound Group, a member of the European Crohn’s and Colitis Organization (ECCO) Educational Committee, and reviews for a number of peer-reviewed journals.

Intestinal ultrasound for monitoring therapeutic response in patients with ulcerative colitis: results from the TRUST&UC study

ECCO Guidelines on Therapeutics in Crohn's Disease: Surgical Treatment

Gastrointestinal Ultrasound (GIUS) Task Force Group: Celiac sprue and other rare gastrointestinal diseases ultrasound features

Challenges in the Pathophysiology, Diagnosis and Management of Intestinal Fibrosis in Inflammatory Bowel Disease

Small bowel capsule endoscopy in ulcerative colitis: the capcolitis study: a prospective observational study

Perceived distress, personality characteristics, coping strategies and psychosocial impairments in a national German multicenter cohort of patients with Crohn's disease and ulcerative colitis

Do We Need Activity Scores or Simply Clear Criteria for Intestinal Ultrasound in Ulcerative Colitis?

New ECCO Guidelines Generation

ECCO-ESGAR Guideline for Diagnostic Assessment in IBD Part 2: IBD scores and general principles and technical aspects"

Guideline for Diagnostic Assessment in IBD Part 2: IBD scores and general principles and technical aspects

ECCO-ESGAR Guideline for Diagnostic Assessment in IBD Part 1: Initial diagnosis, monitoring of known IBD, detection of complications

Effectiveness and Safety of Vedolizumab in Anti-TNF-Naïve Patients With Inflammatory Bowel Disease-A Multicenter Retrospective European Study."

Real-time Interobserver Agreement in Bowel Ultrasonography for Diagnostic Assessment in Patients With Crohn's Disease: An International Multicenter Study."

EFSUMB Recommendations and Clinical Guidelines for Intestinal Ultrasound (GIUS) in Inflammatory Bowel Diseases.

Gastrointestinal ultrasound in inflammatory bowel disease: an underused resource with potential paradigm-changing application.

Microbial Spectrum of Intra-Abdominal Abscesses in Perforating Crohn's Disease: Results from a Prospective German Registry.