Charlie Harper
BSc, MSc, DPhil
Trial Data Scientist
Charlie is a data scientist working in the Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU) at Oxford Population Health.
His work aims to develop new trial methods to streamline large-scale randomised trials that produce reliable answers, including the use of healthcare systems data to recruit and follow-up participants. He lectures on the University of Oxford's MSc in Clinical Trials and MSc in Global Health Science and Epidemiology.
Charlie completed his undergraduate degree in Economics at the University of East Anglia and MSc in Economics at Bristol University. He obtained his DPhil in Population Health from Oxford Population Health, where he showed that UK healthcare systems data can be used to reliably follow-up participants in large cardiovascular trials.
Recent publications
Step Counts and Stepping Intensity Among U.S. Adults: National Health and Nutrition Examination Survey 2011-2014.
Journal article
Shreves AH. et al, (2026), Medicine and science in sports and exercise
Assessment of adverse effects attributed to statin therapy in product labels: a meta-analysis of double-blind randomised controlled trials.
Journal article
Cholesterol Treatment Trialists' (CTT) Collaboration. Electronic address: ctt@ndph.ox.ac.uk . and Cholesterol Treatment Trialists' (CTT) Collaboration ., (2026), Lancet (London, England), 407, 689 - 703
Joint associations of device-measured step count and sleep duration with incident major adverse cardiovascular events: prospective analysis of the UK Biobank.
Journal article
Yun J. et al, (2026), EClinicalMedicine, 92
Sotrovimab versus usual care in patients admitted to hospital with COVID-19 (RECOVERY): a randomised, controlled, open-label, platform trial.
Journal article
RECOVERY Collaborative Group ., (2026), The Lancet. Infectious diseases, 26, 34 - 45
Active Monitoring for AtriaL FIbrillation (AMALFI): Rationale, protocol, and pilot for a pragmatic, randomized, controlled trial of remote screening for asymptomatic atrial fibrillation.
Journal article
Wijesurendra R. et al, (2025), American heart journal, 290, 310 - 324