Can we test if a treatment works and how to deliver it at once? Curran et al. (2012) introduce hybrid designs that blend clinical effectiveness and implementation research to speed up how quickly health findings reach routine practice.
The authors explain that combining parts of clinical effectiveness and implementation research offers clear advantages over studying them separately. This blended approach can speed up translation into real-world care, lead to more effective delivery strategies, and provide more useful information to decision-makers. To guide researchers, Curran et al. lay out a hybrid effectiveness-implementation model, explain the reasoning behind it, outline the main design choices involved, and share real-world examples.
Under this model, a hybrid design is planned from the start with a dual focus: looking at clinical results and the implementation process together. Curran et al. define three specific types of hybrid studies. In the first type, researchers test how well a clinical treatment works on key outcomes while gathering information on how it is being put into practice. In the second type, researchers test both the clinical treatment and the implementation strategy at the same time. In the third type, researchers test the implementation strategy itself while observing and collecting data on how the clinical treatment impacts outcomes.
Curran et al. note that this hybrid framework is still evolving. While separate, traditional clinical and implementation trials will likely remain the standard path for moving a treatment from initial testing to broad public health impact, using these hybrid designs carefully can help bring research findings into everyday practice much faster.
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Curran, G. M., Bauer, M., Mittman, B., Pyne, J. M., & Stetler, C. (2012). Effectiveness-implementation Hybrid Designs: Combining Elements of Clinical Effectiveness and Implementation Research to Enhance Public Health Impact. Medical Care, 50(3), 217–226. https://doi.org/10.1097/MLR.0b013e3182408812