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Eur J Cancer Prev. 2019 Jan;28(1):27-32. doi: 10.1097/CEJ.0000000000000417.

Low participation in organized colorectal cancer screening in France: underlying ethical issues.

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Inserm U1086, Cancers and Prevention, Centre François Baclesse, Normandie University.
Regional Ethics Center, Caen University Hospital, Caen.
Department of Hepato-Gastroenterology, Rennes University Hospital.
Inserm U1242, Medical Faculty, Rennes 1 University, Rennes.
Department of Oncology, Tours University Hospital, Tours.
French National Cancer Institute, Boulogne-Billancourt.
JDB Prevention-Cancer Foundation, Fontenay-lès-Briis.
Inserm U1219, Epidemiology of Cancer and Environmental Exposures, Bordeaux University, Bordeaux, France.


International studies have shown a significant reduction in colorectal cancer (CRC) mortality following the implementation of organized screening programs, given a sufficient participation rate and adequate follow-up. The French national CRC screening program has been generalized since 2008 and targets 18 million men and women aged 50-74 years. Despite broad recommendations, the participation rate remains low (29.8%), questioning the efficiency of the program. A panel of experts was appointed by the French National Cancer Institute to critically examine the place of autonomy and efficiency in CRC screening and propose recommendations. In this paper, we explore the ethical significance of a public health intervention that falls short of its objectives owing to low take-up by the population targeted. First, we analyze the reasons for the low CRC screening participation. Second, we examine the models that can be proposed for public health actions, reconciling respect for the individual and the collective good. Our expert panel explored possible ways to enhance take-up of CRC screening within the bounds of individual autonomy, adapting awareness campaigns, and new educational approaches that take into account knowledge and analysis of sociocultural hurdles. Although public health actions must be universal, target actions should nonetheless be developed for nonparticipating population subgroups.

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