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Data protection regulation provides you with control over your personal data and how it is used. When you agree to your information being used in research, however, some of those rights may be limited in order for the research to be reliable and accurate.

Further information about your rights with respect to your personal data under the General Data Protection Regulation is available on the University of Oxford's Compliance webpage. If you would like to contact us directly for more information about how we process and protect data collected for research, please email: or call Freephone: 0800 585323, or you can write to: ASCEND study, Clinical Trials Service Unit, NDPH, University of Oxford, Richard Doll Building, Old Road Campus, OX3 7LF