May 2, 2019: Cost-Effectiveness Analysis of STOP CRC Trial Finds Wide Variation Across Health Centers

A cost-effectiveness analysis of the Strategies and Opportunities to Stop Colorectal Cancer in Priority Populations (STOP CRC) trial, an NIH Collaboratory Demonstration Project, revealed wide variation across participating health centers. The study’s findings reflect the complexity of implementing an intervention in pragmatic research involving community health clinics with diverse patient populations, clinic structures, and resources.

The study was published recently in Preventive Medicine.

The STOP CRC trial tested a program to improve colorectal cancer screening rates in 26 clinics within 8 federal qualified health centers in California and Oregon. Intervention clinics embedded a tool in the electronic health record to identify patients who were overdue for screening and mailed a fecal immunochemical test (FIT) kit to these patients. Screening rates were higher overall in intervention clinics than in clinics that practiced usual care, despite low and highly variable rates of implementation of the program among participating clinics.

In the subsequent cost-effectiveness study, variability in program implementation was likewise a key factor in the results. Intervention delivery costs were highly variable across health centers, and the incremental cost-effectiveness of the intervention was diminished somewhat because usual care clinics generated more colonoscopies than intervention clinics after abnormal FIT results.

The study has implications for the design of implementation strategies in pragmatic trials that are embedded in diverse community health centers.

The STOP CRC trial was supported within the NIH Collaboratory by a cooperative agreement from the National Cancer Institute and received logistical and technical support from the NIH Collaboratory Coordinating Center. Download a study snapshot of the STOP CRC trial, and learn more about the NIH Collaboratory Demonstration Projects.

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