United Kingdom • • • 🌿 Progressive

Equipo diverso de investigadores con batas blancas revisando documentos y una tableta en un laboratorio
Investigadores revisan los planes de inclusión y diversidad para ensayos clínicos. · Imagen generada para EPM

UK expands diversity plans for clinical trials after pilot

The Health Research Authority published findings from a 6 months pilot in 2025 on inclusion and diversity plans involving seven studies.

--- The context --- Clinical research delivers its value only when the people who take part in a study resemble the people who will later rely on the treatment. In the United Kingdom, that principle guided joint work by the Health Research Authority and the medicines regulator to test a tool at the design stage. --- The facts --- The Health Research Authority has published the findings of its pilot on Inclusion and Diversity Plans. The pilot ran for 6 months in 2025 and tested draft guidance from both bodies with a small group of commercial and non-commercial researchers and sponsors, who submitted a Plan alongside their application for review by a Research Ethics Committee. Seven studies took part in the pilot: five phase 3 clinical trials of investigational medicines and two studies of medical devices. Developing a Plan at the design stage proved beneficial, the information committees need to see and how it is presented require further consideration, and the format of the guidance can be refined. From early 2027, more teams will be invited to submit a Plan voluntarily, with feedback collected over 12 months. --- The positions --- Lawrence Tallon, chief executive of the medicines regulator, said indirectly that clinical research must reflect the diversity of the patient population of the country, and he linked that goal to the relevance of the evidence generated at home and abroad, as part of that joint effort. Naho Yamazaki, deputy director of Policy and Partnerships at the Health Research Authority, said indirectly that including a diverse group helps researchers understand which treatment, device and care work best for each group, that this can improve the care each person receives and can reduce health inequalities. --- What remains unknown --- The final format of the guidance after the announced refinements is not yet known, nor is the information each participating committee will expect. The announcement also makes clear that the Plan is not a legal requirement and is not part of the new clinical trials regulations introduced in April. --- Unanswered questions --- What concrete changes will the guidance receive before the wider feedback phase begins in earnest? What information will committees treat as essential when they assess each submitted Plan in practice? Will voluntary participation reach smaller teams and studies with limited resources across the country? --- EPM analysis --- The strength of the pilot lies in its sequence: the tool was first tested with a reduced group, those who used it and those who reviewed it were then heard, and only now is the experience being widened. A well designed plan forces decisions about whom to seek, before a study gets under way. 📌 EPM Take: In EPM's view, the British approach succeeds by treating inclusion as a design decision rather than a final decoration on the file, because a trial that does not represent its future patients yields incomplete answers even when every formality is met. The voluntary expansion from early 2027, with feedback gathered over 12 months, offers a chance to correct the guidance using evidence. If committees state clearly what they need to see and teams receive a clear format, the Plan can improve both science and fairness without burdening anyone involved.
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