D-SITAR Methods Report

Lucy Strang, Katherine I. Morley, Beth Muldrew, Manon Richard-Sheridan, Jennifer Newbould

ResearchPublished Apr 22, 2026

This methods report is part of a wider RAND Europe evaluation of the former UK Government's 10-year drug strategy investment in the Treatment and Recovery Portfolio in England (D-SITAR). In 2023, RAND Europe and partners King's College London, South London and Maudsley NHS Foundation Trust, the University of Manchester and the University of Queensland were awarded a grant by the National Institute of Health and Care Research to evaluate implementation of the first three years of funding.

This document sets out the methods used to undertake the six evaluations undertaken in D-SITAR. These evaluations include the priority areas of the Portfolio, focusing on the Housing Support Grant, the workforce transformation programme, Lived Experience Recovery Organisations (LEROs), mental and physical health service integration and the provision of depot buprenorphine, as well as a process evaluation of the first three years of implementation of the Treatment and Recovery Portfolio. The results of these evaluations are described in separate reports

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Strang, Lucy, Katherine I. Morley, Beth Muldrew, Manon Richard-Sheridan, and Jennifer Newbould, D-SITAR Methods Report. Santa Monica, CA: RAND Corporation, 2026. https://www.rand.org/pubs/research_reports/RRA4735-7.html.
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This work was funded by the National Institute for Health and Care Research (NIHR) Policy Research Programme and conducted by RAND Europe.

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