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Professor David Dearnaley

Team Leader

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Professor David Dearnaley has been central to the development of intensity modulated radiotherapy – a new radiotherapy technique that reduces damage to healthy tissue. He ran several trials for treating prostate cancer and investigated new image-guided radiotherapy techniques. Professor Dearnaley retired in August 2020. Team: Clinical Academic Radiotherapy (Dearnaley)
0208 661 3271 ORCID 0000-0002-3954-2806


Professor David Dearnaley joined the Academic Unit of Radiotherapy at The Royal Marsden NHS Foundation Trust and The Institute of Cancer Research, London, as Bob Champion Senior Lecturer and Honorary Consultant in 1987. He subsequently became Reader in Prostate Cancer Studies in 1999 and Professor of Uro-Oncology in 2003.

He was Head of The Royal Marsden Urology Unit from 1994 to 2006 and Chairman of The Royal Marsden and ICR Committee for Clinical Research 2006–13. He was the Prostate Theme Lead for The Royal Marsden/ICR Biomedical Research Centre until April 2017. He was appointed an NIHR Senior Investigator in 2008 and is a member of the NHS R&D HTA Clinical Trials Board College of Experts (2012-). He has previously chaired both the MRC and NCRI Prostate Study Groups, as well as the MRC Radiotherapy Clinical Trials Group.

Principal areas of research have been in the development of conformal (CFRT), intensity modulated (IMRT), image-guided (IGRT) and hypofractionated radiotherapy treatments for prostate cancer. He has led phase III randomised trials to establish these in clinical practice and dose escalated CFRT has been incorporated in NICE guidance. Presently he leads associate translational programmes into the biophysics, radiogenomics and molecular pathology of radiation response and toxicity.

Professor Dearnaley retired in August 2020 after 41 years at the ICR and The Royal Marsden.