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The Richard Doll Centenary Archive (RDCA) was established in 2015 to commemorate the centenary of the birth of Sir Richard Doll. It comprises the collection of population based datasets (observational studies and randomised trials) held in the Nuffield Department of Population Health. These data can be shared in line with the RDCA Data Access and Sharing Policy. An oversight committee monitors data access and sharing across the NDPH.

Membership of the Richard Doll Centenary Archive Data Access Oversight Committee: (July 2016) 

Independent Chair: Professor Dame Anne Mills (London School Hygiene & Tropical Medicine), External Members: Professor Peter Sandercock (University of Edinburgh), Mr Jonathan Sellors (Legal Counsel, UK Biobank), Dr Janet Valentine (Director of Clinical Practice Research Datalink) NDPH Academic members: Professor Jane Armitage (CTSU), Professor Sarah Parish (CTSU), Professor Jane Green (CEU), Professor Jenny Kurinczuk (NPEU), The Information Governance Lead: Dr Michael Lay (NDPH), Secretariat: RDCA Data Access Coordinator (

Descriptions of the studies can be accessed via the research group links:

Centre on Population Approaches for NCD Prevention

Cancer Epidemiology Unit (CEU)

Centre for Health, Law and Emerging Technologies (HeLEX)

Clinical Trial Service Unit (CTSU) - Prospective Studies & Randomised Trials

Cochrane Effective Practice and Organisation of Care (EPOC) Group

Ethox Centre

Health Economics Research Centre (HERC)

Health Services Research Unit (HSRU)

Medical Careers Research Group

National Perinatal Epidemiology Unit (NPEU) 

Specific datasets include:

China Kadoorie Biobank

A prospective study of 500,000 men and women living in 10 regions of China, with data access procedures available here.

Million Women Study

A prospective cohort of 1.3M women living in the UK, with data access procedures available here.

EPIC Oxford

A prospective cohort of 65,000 men and women living in the UK, with data access procedures available here.


The UK National Registry of Childhood Tumours (NRCT) Epidemiological Studies Research Database is a legacy research dataset, formerly held by the Childhood Cancer Research Group (now closed) at the University of Oxford. The NRCT research database includes information on 98,000 children diagnosed with cancer in the UK between 1962 and 2013, and on 67,000 children without cancer. The RDCA Data Access Oversight Committee has responsibility for access to data held in the NRCT database.