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Colorectal cancer (CRC) is a leading cancer worldwide; incidence varies greatly by country and racial group. We compared 2018 American Indian/Alaska Native (AI/AN) CRC incidence rates in Alaska to other Tribal, racial, and international population rates. AI/AN persons in Alaska had the highest CRC incidence rate among US Tribal and racial groups (61.9/100,000 in 2018). AI/AN persons in Alaska also had higher rates than those reported for any other country in the world in 2018 except for Hungary, where males had a higher CRC incidence rate than AI/AN males in Alaska (70.6/100,000 and 63.6/100,000 respectively). This review of CRC incidence rates from populations in the United States and worldwide showed that AI/AN persons in Alaska had the highest documented incidence rate of CRC in the world in 2018. It is important to inform health systems serving AI/AN persons in Alaska about policies and interventions that can support CRC screening to reduce the burden of this disease. [ABSTRACT FROM AUTHOR]

Alaska Native (AN) people have among the highest rates of colorectal cancer (CRC) globally. We are developing a community-based participatory research (CBPR) informed program to understand risk and protective factors contributing to these high rates. In 2018, we conducted a pilot study to test feasibility of recruiting participants from the Alaska Native Medical Center CRC Screening Clinic into a prospective epidemiologic study. Post-pilot study completion, we conducted focus groups (n = 2) with participants and key informant interviews (n = 7) with research and clinical staff to understand study experiences. During 106 days of recruitment, 30 participants enrolled in the pilot study. Over half (60%) were female, and most (67%) were aged 40–59 years. Key themes that emerged from the participant focus groups were: the desire to contribute to improving the health of AN people as a key driver of participation; an overall positive experience with the study; the benefit of clinical staff notifying patients about the study; the need to clearly explain the purpose of each biospecimen collected; barriers to participation; and, the importance of returning study results to the community. Key themes from research and clinical staff interviews included: the study not interfering with clinical duties; the importance of relationships between clinical and research staff; the importance of research staff flexibility; and, comments on specific study procedures. As part of the CBPR process, this feedback will be incorporated into study protocols. We are building this pilot work into a larger prospective study that will inform primary prevention programs. [ABSTRACT FROM AUTHOR]