ArticleContemporary clinical trials2025
Optimizing diabetes management interventions for Black and Hispanic adults using the multiphase optimization strategy: Protocol for a randomized mixed methods factorial trial.
Article in Contemporary clinical trials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundBlack and Hispanic adults with diabetes are more likely to experience diabetes complications and die from diabetes compared to non-Hispanic whites. This disparity may be due to medication adherence being negatively affected by social determinants of health (SDOH) and negative beliefs about diabetes and diabetes medicines. Pharmacist delivered medication therapy management (MTM) improves clinical outcomes. However, pharmacists have limited capacity and expertise to address SDOH barriers and health misperceptions. Supplementing MTM with Community Health Workers (CHWs) to address these factors may be more effective with potential for implementation.
aimTo investigate what combination of two possible components, pharmacist delivered MTM and CHWs addressing SDOH barriers and health misperceptions, represents the optimized intervention for Black and Hispanic adults with uncontrolled diabetes. METHODS/
designWe will use a 2 × 2 factorial design (MTM, CHW: ON vs. OFF) where participants will be randomized to one of four treatment conditions in a 6-month intervention delivered mostly by phone. We will recruit 376 Black or Hispanic adults with type 2 diabetes and hemoglobin A1C of ≥8 %, a clinical indicator of uncontrolled type 2 diabetes. The primary outcome is A1C measured at 6 months, and at 12 months for sustained change. The secondary outcome is medication adherence. Several psychosocial factors will be examined as potential mediators. An embedded experimental mixed methods approach will be used to obtain participant perspectives through qualitative interviews and integrated to assess intervention acceptability. DISCUSSION: Our findings will identify the optimized intervention, e.g., comprising MTM or CHW or both intervention components, that effectively and efficiently improves diabetes outcomes among Black and Hispanic adults with uncontrolled diabetes, informing dissemination.
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