Robert G. Josse

MBBS, BSc
Dr. Josse will no longer be accepting any new summer students

Investigator

Biography

Please note: Dr. Josse is not taking any summer students.

I am still involved in clinical nutritional research with colleagues (also in the division of Endocrinology and metabolism) in the department of Nutritional sciences to which I am cross appointed.

I collaborate in clinical research  with orthopedics and other disciplines within the hospital. Much of the clinical  trial research is now done at TGH  with their metabolic bone disease research group.The osteoporosis centre (of which I am the director) is a focus for clinical and epidemiologic research, as well as graduate and postgraduate education and general patient care.

Recent Publications

  1. Kavanagh, ME, Zurbau, A, Glenn, AJ, Oguntala, JO, Josse, RG, Malik, VS et al.. The portfolio dietary pattern and risk of cardiovascular disease mortality during 1988-2019 in US adults: a prospective cohort study. BMC Med. 2025;23 (1):287. doi: 10.1186/s12916-025-04067-1. PubMed PMID:40394599 PubMed Central PMC12093672.
  2. Ferrari, S, Akesson, KE, Al-Daghri, N, Biver, E, Chandran, M, Chevalley, T et al.. Bone microstructure and TBS in diabetes: what have we learned? A narrative review. Osteoporos Int. 2025;36 (7):1115-1128. doi: 10.1007/s00198-025-07495-0. PubMed PMID:40353870 .
  3. Ali, DS, Khan, AA, Morrison, A, Tetradis, S, Mirza, RD, El Rabbany, M et al.. Antiresorptive Therapy to Reduce Fracture Risk and Effects on Dental Implant Outcomes in Patients With Osteoporosis: A Systematic Review and Osteonecrosis of the Jaw Taskforce Consensus Statement. Endocr Pract. 2025;31 (5):686-698. doi: 10.1016/j.eprac.2025.02.016. PubMed PMID:40335186 .
  4. Kavanagh, ME, Chiavaroli, L, Quibrantar, SM, Viscardi, G, Ramboanga, K, Amlin, N et al.. Acceptability of a Web-Based Health App (PortfolioDiet.app) to Translate a Nutrition Therapy for Cardiovascular Disease in High-Risk Adults: Mixed Methods Randomized Ancillary Pilot Study. JMIR Cardio. 2025;9 :e58124. doi: 10.2196/58124. PubMed PMID:40152922 PubMed Central PMC11992491.
  5. Yang, S, Back, S, Grant, SM, Ayoub-Charette, S, Chen, V, Lin, EJ et al.. Effects of Extracted Pulse Proteins on Lipid Targets for Cardiovascular Risk Reduction: Systematic Review and Meta-Analysis of Randomized Controlled Trials. Nutrients. 2024;16 (21):. doi: 10.3390/nu16213765. PubMed PMID:39519598 PubMed Central PMC11548137.
  6. Kavanagh, ME, Glenn, AJ, Chiavaroli, L, Morgan, GA, Josse, RG, Malik, VS et al.. Simulation model to assess the validity of the clinical portfolio diet score used in the PortfolioDiet.app for dietary self-tracking: a secondary analysis of a randomized controlled trial in hyperlipidemic adults. Front Nutr. 2024;11 :1398450. doi: 10.3389/fnut.2024.1398450. PubMed PMID:39171108 PubMed Central PMC11335621.
  7. Guðmundsdóttir, SL, Berger, C, Macdonald, H, Adachi, JD, Hopman, WM, Kaiser, SM et al.. Sedentary behavior does not predict low BMD nor fracture-population-based Canadian Multicentre Osteoporosis Study. J Bone Miner Res. 2024;39 (3):231-240. doi: 10.1093/jbmr/zjae004. PubMed PMID:38477796 PubMed Central PMC11240152.
  8. Jenkins, DJA, Chiavaroli, L, Mirrahimi, A, Mitchell, S, Faulkner, D, Sahye-Pudaruth, S et al.. Glycemic Index Versus Wheat Fiber on Arterial Wall Damage in Diabetes: A Randomized Controlled Trial. Diabetes Care. 2022;45 (12):2862-2870. doi: 10.2337/dc22-1028. PubMed PMID:36326712 PubMed Central PMC9862401.
  9. Jenkins, DJ, Jones, PJ, Abdullah, MM, Lamarche, B, Faulkner, D, Patel, D et al.. Low-carbohydrate vegan diets in diabetes for weight loss and sustainability: a randomized controlled trial. Am J Clin Nutr. 2022;116 (5):1240-1250. doi: 10.1093/ajcn/nqac203. PubMed PMID:36156115 .
  10. Kavanagh, ME, Chiavaroli, L, Glenn, AJ, Heijmans, G, Grant, SM, Chow, CM et al.. A Web-Based Health Application to Translate Nutrition Therapy for Cardiovascular Risk Reduction in Primary Care (PortfolioDiet.app): Quality Improvement and Usability Testing Study. JMIR Hum Factors. 2022;9 (2):e34704. doi: 10.2196/34704. PubMed PMID:35451981 PubMed Central PMC9073604.
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Affiliations & Other Activities

  • Medical Director, Department of Medicine, Osteoporosis Centre, St. Michael’s Hospital
  • Professor, Department of Medicine, University of Toronto
  • Professor, Department of Nutritional Sciences, University of Toronto