Acknowledgements The authors acknowledge Dr. Paxton Montgomery Moon, Alison Howie, Hayden Nix and Dr. Merrick Zwarenstein for their contributions to the data extraction. They also thank Drs. Bruno Giraudeau and Agnes Caille (University of Tours), Dr. Laura Hanson (University of North Carolina School of Medicine) and Dr. Jill Harrison (Brown University) for assistance with pilot testing of the survey questionnaire. Funding: This work was supported by the Canadian Institutes of Health Research through the Project Grant competition (competitive, peer-reviewed), award number PJT-153045, and the National Institute of Aging ( NIA) of the National Institutes of Health under Award Number U54AG063546, which funds NIA Imbedded Pragmatic Alzheimer’s Disease and Related Dementias Clinical Trials Collaboratory ( NIA IMPACT Collaboratory). The funders had no role in the study design; in the collection, analysis and interpretation of data; in the writing of the report; and in the decision to submit the article for publication.Peer reviewedPublisher PD

Brehaut, Jamie C

Carroll, Kelly

Fergusson, Dean A

Gillies, Kate

Goulao, Beatriz

Hilderley, Alicia

Macarthur, Colin

Nevins, Pascale

Nicholls, Stuart G

Potter, Beth K

Smith, Maureen

Spinewine, Anne

Taljaard, Monica

Vanderhout, Shelley

Weijer, Charles

CMAJ Open

English

Acknowledgements The authors acknowledge Dr. Paxton Montgomery Moon, Alison Howie, Hayden Nix and Dr. Merrick Zwarenstein for their contributions to the data extraction. They also thank Drs. Bruno Giraudeau and Agnes Caille (University of Tours), Dr. Laura Hanson (University of North Carolina School of Medicine) and Dr. Jill Harrison (Brown University) for assistance with pilot testing of the survey questionnaire. Funding: This work was supported by the Canadian Institutes of Health Research through the Project Grant competition (competitive, peer-reviewed), award number PJT-153045, and the National Institute of Aging ( NIA) of the National Institutes of Health under Award Number U54AG063546, which funds NIA Imbedded Pragmatic Alzheimer’s Disease and Related Dementias Clinical Trials Collaboratory ( NIA IMPACT Collaboratory). The funders had no role in the study design; in the collection, analysis and interpretation of data; in the writing of the report; and in the decision to submit the article for publication.Peer reviewe

Aberdeen University Research

Patient and public involvement in pragmatic trials : online survey of corresponding authors of published trials

There are few data on patient and public involvement (PPI) in pragmatic trials. We aimed to describe the prevalence and nature of PPI within pragmatic trials, describe variation in prevalence of PPI by trial characteristics and compare prevalence of PPI reported by trial authors to that reported in trial publications. We applied a search filter to identify pragmatic trials published from 2014 to 2019 in MEDLINE. We invited the corresponding authors of pragmatic trials to participate in an online survey about their specific trial. Of 3163 authors invited, 2585 invitations were delivered, 710 (27.5%) reported on 710 unique trials and completed the survey; 334 (47.0%) conducted PPI. Among those who conducted PPI, for many the aim was to increase the research relevance (86.3%) or quality (76.5%). Most PPI partners were engaged at protocol development stages (79.1%) and contributed to the co-design of interventions (70.9%) or recruitment or retention strategies (60.5%). Patient and public involvement was more common among trials involving children, trials conducted in the United Kingdom, cluster randomized trials, those explicitly labelled as "pragmatic" in the study manuscript, and more recent trials. Less than one-quarter of trials (22.8%) that reported PPI in the survey also reported PPI in the trial manuscript. Nearly half of trialists in this survey reported conducting PPI and listed several benefits of doing so, but researchers who did not conduct PPI often cited a lack of requirement for it. Patient and public involvement appears to be significantly underreported in trial publications. Consistent and standardized reporting is needed to promote transparency about PPI methods, outcomes, challenges and benefits

DIAL UCLouvain

Patient and public involvement in pragmatic trials: online survey of corresponding authors of published trials.

https://aura.abdn.ac.uk/bitstream/2164/21716/1/Vanderhout_etal_CMAJO_Patient_And_Public_VoR.pdf

Patient and public involvement in pragmatic trials : online survey of corresponding authors of published trials

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Aberdeen University Research

DIAL UCLouvain