Abstract
Background: Over the past three decades, much evidence has been generated in high-income countries (HIC) for effective implementation of cervical, breast and colorectal cancer screening programs and their contribution to reducing mortality. However, translation of cancer screening programs to low- and middle-income countries (LMIC) continues to be a challenge. For 30 years, the US National Cancer Institute's International Cancer Screening Network (ICSN) has gathered cancer screening researchers, implementers and evaluators at the ICSN biennial scientific meeting, provided expert assistance and facilitated working groups that advance research on cancer screening, via standardization of definitions, metrics, and measures, and cross-national comparative studies. For many years, this group has been comprised largely of participants from HICs, with limited participation by individuals from LMICs. However, in recent years, cancer screening has been adopted in an increasing number of LMICs. There is now a critical need to understand how to translate cancer screening delivery, program implementation, documentation, and research to LMICs. Aim: To gather insights from ICSN participants on the translatability of cancer screening knowledge between high and low-resource settings to advance the field of cancer screening globally. Methods: In 2018, ICSN conducted an evaluation research study to assess the outcomes and impacts of the ICSN to date and inform future ICSN activities, including engagement of individuals working in LMICs. Data collection consisted of a survey to our listserv, which has 666 subscribers. Results: There were 266 network members who responded to the survey, including 244 advanced who completed the full survey. The majority (58.7%) have been working in the field of cancer screening for 15 or fewer years, although 27.8% have 20 or more years of experience. Most respondents work in government agencies (32.7%) and academic institutions (37.2%), and dedicate most of their time to conducting cancer screening research. ICSN members predominantly work in organized cancer screening programs (72.6%). In addition, 80.5% work primarily in HICs and 10.9% in upper middle-income countries. Of those who attended the 2017 ICSN biennial meeting (56.1%), 78.8% agreed that it enabled them to learn from cancer screening in higher resource settings while 66.4% agreed that it enabled them to learn from cancer screening in lower resource settings. Conclusion: With 30 years of experience facilitating the advancement of cancer screening research, implementation and evaluation in HICs, the ICSN has many lessons to offer to countries that are considering establishing cancer screening programs. Findings suggest the relevance of ICSN activities to advancing cancer screening in both HICs and LMICs. ICSN is currently engaged in and developing additional approaches to advance cancer screening in LMICs, including technical assistance, workshops, and regional meetings.
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