The PPI Directory contains patient and public involvement (PPI) resources for developers of cell and gene therapies, including toolkits, guidelines, advice, templates and case studies.
The PIRICOM study - A systemmatic review of the conceptualisation, measurement, impact and outcomes of patients and public involvement in health and social care research
Report on measuring impact both positive and negative of involving PPI by UKCRC and Royal College of Nurses and University of Warwick
Planning patient and public involvement in surgical trials
Guide for chief investigators to plan effective PPI to enhance recruitment and retention into clinical trials, by Nuffield Department of Primary Care Health Sciences - Oxford University