Faculty profile

Sharon Marr

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Assistant Clinical Professor (Adjunct)MedicineMcMaster University

Research

Research areas, by share of publications

Research areas are derived from OpenAlex topics of their publications.

70 publications.

01

Effects of Internet-Based Dementia Risk Reduction Education on Risk and Protective Factor Knowledge, Intentions, and Health Behaviors: Randomized Controlled Trial

Levinson AJ, Ayers S, Clark S, Woodburn R, Schneeberg A, Hadid D, Kates N, Strudwick G, Grad R, Papaioannou A

Journal of Medical Internet Research20261 citations
DOI: 10.2196/79405
02

Study protocol for a pragmatic, cluster, randomized controlled trial of a multifaceted fracture prevention model for long-term care: the PREVENT trial

Papaioannou A, Feldman S, Katz P, Costa AP, Kennedy CC, Adachi JD, Boyd H, Giangregorio L, Heckman G, Hewston P

Trials2026
DOI: 10.1186/s13063-025-09398-1
03

Study protocol for a multiarm, randomized controlled trial to determine the effectiveness of community-based frailty rehabilitation to improve physical function in older adults: The OPTIMAL Fitness Trial

Papaioannou A, Kennedy C, Lee J, Hewston P, McArthur C, Maharaj S, Adachi J, Boulos P, Bobba R, Rabinovich A

PLoS ONE2026
DOI: 10.1371/journal.pone.0343338
04

Virtual GERAS DANcing for Cognition Exercise (DANCE) for older adults at home: a randomized feasibility trial

Hewston P, Marr C, Dashti A, Ioannidis G, Kennedy CC, Hladysh G, St Onge J, Marr S, Bray SR, Noseworthy M

Pilot and Feasibility Studies2026
DOI: 10.1186/s40814-026-01851-5
05

Dancing for Brain Health and Mobility: A Mixed-Methods Evaluation of the Implementation of Virtual GERAS DANCE Across Diverse Settings

Hewston P, Marr C, Coker E, Ioannidis G, Kennedy CC, Hladysh G, Dashti A, Marr S, Papaioannou A

Journal of Applied Gerontology2026
DOI: 10.1177/07334648251387388
06

Cognitive Groove community-based rehabilitation for older adults: study protocol for a multisite parallel randomized controlled trial

Papaioannou A, Ioannidis G, Kennedy C, Hladysh G, Lee J, Adachi JD, Cowan D, Duarte D, Hategan A, Innes A

Trials2026
DOI: 10.1186/s13063-026-09782-5
07

Evaluation of a Student-Older Adult Telephone Befriending Program to Reduce Social Isolation During the COVID-19 Pandemic

Ahuja M, Lewis K, Owais S, Compagnone J, Fallico L, Fishbein F, Stefanova I, Xu KM, Gui S, Woo T

Canadian Journal of Geriatrics2026
DOI: 10.5770/cgj.29.857
08

Getting fit for hip and knee replacement: The Fit-Joints multimodal intervention for frail patients with osteoarthritis – a pilot randomized controlled trial

Okpara C, Negm A, Adachi JD, Armstrong D, Atkinson S, Avram V, de Beer J, Hladysh G, Ioannidis G, Kennedy C

The Journal of frailty & aging20257 citations
DOI: 10.1016/j.tjfa.2025.100028
09

Clinical validation of a frailty management mHealth tool in a cohort of community-dwelling older adults: the Geras Fit-Frailty App

Kennedy CC, Ioannidis G, Rockwood K, Relan A, Adachi J, Papaioannou A, Fisher P, Park S, Hewston P, Lee J

BMJ Open20253 citations
DOI: 10.1136/bmjopen-2025-098892
10

Internet-Based Dementia Prevention Intervention (DementiaRisk): Protocol for a Randomized Controlled Trial and Knowledge Translation

Levinson AJ, Ayers S, Clark S, Woodburn R, Dobbins M, Duarte D, Grad R, Kates N, Marr S, Oliver D

JMIR Research Protocols20253 citations
DOI: 10.2196/64718

Frequent collaborators

80
Sharon MarrAlexandra PapaioannouGeorge IoannidisCourtney KennedyJonathan Derrick AdachiPatricia HewstonLehana ThabaneJustin LeeAnthony LevinsonChristopher PattersonGenevieve HladyshJustin Lee
Co-authors at McMaster University. Thicker lines mean more shared papers.Explore the network

Alexandra Papaioannou

Medicine

48 shared papers, latest 2026

George Ioannidis

Medicine

31 shared papers, latest 2026

Courtney Kennedy

Medicine

28 shared papers, latest 2026

Jonathan Derrick Adachi

Medicine

17 shared papers, latest 2026

Patricia Hewston

Rehabilitation Science

16 shared papers, latest 2026

Lehana Thabane

Health Research Methods, Evidence, and Impact

15 shared papers, latest 2024

Researchers with similar interests

Lauren Griffith

Health Research Methods, Evidence, and Impact

Frailty in Older Adults, Chronic Disease Management Strategies

Tricia Woo

Medicine

Frailty in Older Adults, Dementia and Cognitive Impairment Research

Justin Lee

Medicine

Frailty in Older Adults, Balance, Gait, and Falls Prevention

Justin Lee

Oncology

Frailty in Older Adults, Balance, Gait, and Falls Prevention

Brian Misiaszek

Medicine

Frailty in Older Adults, Dementia and Cognitive Impairment Research

Melissa Northwood

Nursing

Chronic Disease Management Strategies, Frailty in Older Adults

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for
Subject: Prospective PhD student: Frailty in Older Adults Dear Professor Marr, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Effects of Internet-Based Dementia Risk Reduction Education on Risk and Protective Factor Knowledge, Intentions, and Health Behaviors: Randomized Controlled Trial" (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]
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