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A paper published in Annals of Internal Medicine this week has hit the international headlines as it shows that 1 out of 3 breast cancer patients are treated unnecessarily. Chief medical officer at the American Cancer Society says it's time to rethink mammography.

Review publication

There are ongoing discussions about whether to implement a national screening program for colorectal cancer in Norway. Prof. Bretthauer has contributed in a summary of the current evidence base regarding health effects of this type of screening. A decision is expected this fall.

This week's issue of the Journal of the Norwegian Medical Association is presenting a portrait interview of Mette Kalager, leader of the Clinical Effectiveness Group. Kalager reveals insights about early career struggles, recent acknowledgements and aims for the future.

The Clinical Effectiveness Group is in the final round to be awarded status as a new Norwegian Centre of Excellence (SFF) 2016. In the event of an SFF-award the group will start up the Norwegian Institute of Cancer screening Evidence and Research (NICER). Watch the film about NICER!

The Clinical Effectiveness group has recently published an article in the journal «Gut» about the challenges in estimating risk of colorectal cancer among patients with IBD, and proposals on how to solve them.

The Clinical Effectiveness Research Group at the University of Oslo is publishing papers on clinical trials and observational research in leading medical journals. Topics of publication include cancer screening, with particular emphasis on breast cancer and colorectal cancer, endoscopy and epidemiologic methodology. 


Mette Kalager publishes an article on concerns about data sharing in The New England Journal of Medicine. In the article, Kalager proposes solutions on how to make data sharing a success. 


The first ever randomised controlled trial on colorectal cancer (CRC) screening with colonoscopy reveals significant differences between endoscopists' performances. Findings from the NordICC-study was published this week in JAMA Internal Medicine.

Despite compelling evidence for using carbon dioxide (CO2) to reduce patient pain after colonoscopy, most endoscopists worldwide still use air insufflation during colonoscopy. A new paper aims to encourage change and new standards.

The leading scientific journal «Endoscopy» has today released the first paper from the European Polyp Surveillance (EPoS) study group.

Professor Michael Bretthauer is awarded FRIPRO Toppforsk 2016. FRIPRO is a joint initiative between the research institutions and the Norwegian Research Council, with the purpose of supporting groups in the forefront of international research. 

A large portrait interview with Michael Bretthauer reveals insights about his early career in Norway, and how he had to perform a colonoscopy on a world-renowned medical researcher to convince him to join a large study on colonoscopy.