Background Despite increasing international interest, there is a lack of evidence about the
most efficient, effective and acceptable ways to implement patient and public involvement …

Plain Language Summary Funders of research are increasingly requiring researchers to
involve patients and the public in their research. Patient and public involvement (PPI) in …

Background While patient and public involvement (PPI) in clinical trials is beneficial and
mandated by some funders, formal guidance on how to implement PPI is limited and …

Background Patient and public involvement (PPI) in studies carried out by the UK Medical
Research Council Clinical Trials Unit (MRC CTU) at University College London varies by …

Background Trial oversight is important for trial governance and conduct. Patients and/or lay
members of the public are increasingly included in trial oversight committees, influenced by …

Background Randomised controlled trials (RCTs) are considered particularly likely to benefit
from patient and public involvement (PPI). Decisions made by professional researchers at …

Patient and public involvement (PPI) in research is increasingly required, although evidence
to inform its implementation is limited. Objective Inform the evidence base by describing how …

Background In comparison with other study designs, randomised trials are regarded as
particularly likely to benefit from patient and public involvement (PPI). Using mixed-methods …

Background Training in patient and public involvement (PPI) is recommended, yet little is
known about what training is needed. We explored researchers' and PPI contributors' …

Abstract Background Patient and Public Involvement (PPI) in research aims to improve the
quality, relevance and appropriateness of research. PPI has an established role in clinical …