Evaluating the Outcomes of the Capacity-Building Support From a Collaborative Network of Implementation Science Technical Assistance Hubs: Protocol for a Mixed Methods Evaluation

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BACKGROUND: Implementation science (IS) plays a critical role in translating research into real-world health outcomes. Few studies have evaluated models that provide technical assistance and other resources to build IS capacity. The Coordinating and Capacity-Building Hubs to Enhance the Science of HIV Implementation Research (CHESHIRE) network supports US-based HIV research awardees participating in the Ending the HIV Epidemic in the US (EHE) initiative. OBJECTIVE: The objective of this study is to describe the evaluation protocol for CHESHIRE and assess the effect of the implementation of hub technical assistance activities on EHE-funded research team outcomes, including IS competencies, scientific collaboration, and research productivity. METHODS: This protocol describes a mixed methods evaluation using qualitative interviews with EHE project leads (n=36); social network analysis of CHESHIRE-affiliated researchers and hub members (n=265); and secondary data analysis of National Institutes of Health (NIH) RePORTER, PubMed, and NIH Implementation Science Coordination Initiative EHE Project Final Progress Report Survey data (n=248). We will use descriptive analyses, network metrics, and thematic coding to describe outcomes following CHESHIRE implementation, including IS competencies, interinstitutional partnerships, and research productivity. RESULTS: CHESHIRE coordinating center and hub activities were funded through NIH Center for AIDS Research and AIDS Research Center supplements beginning in 2019, with hubs funded between 2019 and 2024. Available survey data include EHE projects that completed the EHE Project Final Progress Report Survey between August 2021 and February 2025. As of January 2026, we have completed enrollment, with 265 network members in the final recruiting list. Data abstraction and analysis of the evaluation components are ongoing. Publication of findings is anticipated for December 2026. Evaluation findings will be disseminated after completion of data analysis. The findings will provide insights on whether structured IS support through CHESHIRE increases researchers' IS competencies, interinstitutional partnerships, and research productivity. CONCLUSIONS: This evaluation will provide empirical evidence to guide the development and optimization of technical assistance hubs in public health research and inform their future evaluation of hub-based IS capacity-building models. Findings will inform strategies to optimize IS capacity building and accelerate the translation of evidence-based interventions into practice, especially in HIV prevention and treatment. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/91374.

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