Healthy, middle-aged people in Britain are being screened to join a global clinical trial testing a drug aimed at preventing dementia and Alzheimer’s disease. The first European participants are set to be screened starting Monday, according to the reports.

Multiple UK centers are expected to take part in the study. The Daily Mail says more than 15 UK centres are expected to be involved, with participant screening in Britain forming the initial phase of the broader European roll-out. The articles describe the effort as part of a worldwide research programme designed to assess whether the medication can delay or prevent cognitive decline in people who do not yet show dementia symptoms.

Across the outlets provided, the emphasis is on the timing of the European screening in Britain and the expected scale of UK participation. However, the information shared here is limited to trial start details and does not specify the drug’s name, study design, or results at this stage.