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Brief Bio

I am tenured Professor of Medicine at the University of Oslo and Gastroenterologist at Oslo University Hospital.

I am Associate Editor at Annals of Internal Medicine and chair of the Board for r
Research, Quality Assurance and Innovation of the Norwegian Medical Association.

I received my MD in 1996 from the University of Göttingen, Germany, and my PhD from the University of Oslo, Norway, in 2004. I am board-certified in internal medicine and gastroenterology.

My main clinical activities are in gastrointestinal endoscopy. My main research interests include clinical trials and clinical epidemiology. I am the principal investigator of several large-scale international trials with more than 300,000 patients in total.

I am the co-founder of the Clinical Effectiveness Research Group at the University of Oslo and Oslo University Hospital. The group is headed by co-founder Prof. Mette Kalager.

My colleagues and I at the Clinical Effectiveness Research Group design and run large-scale clinical trials and clinical epidemiology studies to advance patient care.

I am a holder of Research Grants from the European Union, the Norwegian Research Council, the Norwegian Cancer Society, the United European Gastroenterology Foundation, and others.
Here are some of my current research projects:
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Michael Bretthauer, 2025

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