Methodological changes to RCTs after ethical approval: Invite to Participate

Date: 25 July 2025

This is a study about people’s opinions on changes made to the methods of randomised controlled trials (RCTs) after the study has started.

The invitation is open to anyone who has been involved in RCTs in the United Kingdom who would be willing to take part in an interview about their experiences. Interviews will last for around 45 minutes. You must be 18 years old or over to take part and participation is entirely voluntary. If you have any questions about this study can contact Andrew Mott: andrew.mott@york.ac.uk, University of York.

If you would be interested in taking part, you can find further information and express interest at this link https://forms.gle/vn7C3S75wy4JZpfL9.

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