Title {1}	Spread and scale of an electronic deprescribing software to improve health outcomes of older adults living in nursing homes: study protocol for a stepped wedge cluster randomized trial
Trial registration {2a and 2b}.	NCT04762303, Registered February 21, 2021 https://clinicaltrials.gov/show/NCT04762303
Protocol version {3}	Protocol version 1.0 of April 28, 2021.
Funding {4}	This research was financially supported by the Healthy Seniors Pilot Project, which is a $75 million three-year agreement between the Government of New Brunswick and the Public Health Agency of Canada, jointly led by the Government of New Brunswick’s Department of Social Development and the Department of Health through the Aging Secretariat.
Author details {5a}	Marc-Eric Nadeau, B.A.; Research Coordinator, Centre for Innovation and Research in Aging; MNadeau@ycc-cira.ca Justine L. Henry, BSc., MSc.Kin; Director of Research, Centre for Innovation and Research in Aging; JHenry@ycc-cira.ca Todd C. Lee MD MPH; Associate Professor of Medicine; Department of Medicine; McGill University Health Centre, Montreal QC, Canada; todd.lee@mcgill.ca Émilie Bortolussi-Courval; CPN and Doctoral Student; Department of Experimental Medicine, McGill University, Montréal, QC, Canada; emilie.bortolussi-courval@mail.mcgill.ca Carole Goodine, RPh, BSc (Pharm), ACPR, Pharm D; Clinical Pharmacy Manager, Fredericton Area, Horizon Health Network; Adjunct Professor, Faculty of Health Professions, College of Pharmacy, Dalhousie University. Carole.goodine@horizonnb.ca Emily G. McDonald, MDCM MSc FRCPC; Associate Professor of Medicine; Department of Medicine; McGill University Health Centre, Montreal QC, Canada; Director- Clinical Practice Assessment Unit, emily.mcdonald@mcgill.ca
Name and contact information for the trial sponsor {5b}	The Centre for Innovation and Research in Aging 100 Sunset Drive, Fredericton, New Brunswick E3A 1A3, Canada 1-506-444-3880 ext. 2560 MNadeau@ycc-cira.ca
Role of sponsor {5c}	The funding source has no role in the study design; data collection, management, and analysis; interpretation of the data; writing the manuscript; or the decision to submit the manuscript for publication. The content is solely the responsibility of the authors and does not necessarily represent the official views of the funding sources. MedSafer was funded by the Centre for Ageing and Brain Health Innovation (CABHI), The Canadian Frailty Network and the Canadian Institutes for Health Research. Initial development of the Polypharmacy App developed (designed) for YCC was funded by CABHI, the New Brunswick Health Research Foundation, AGE-WELL and the New Brunswick Innovation Foundation.