GeriMedRisk hosted an Open House on Sept. 22, 2017 to share the success of the program thus far.  Thank you to all who were able to attend!



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Recent Publications


Peer-Reviewed Journal Articles


  1. Ho, J. M., Rofaiel, R., Wang, K., To, E., Liu, B., Antoniou, T., Benjamin, S., & Bodkin, R. J. (2022). Medication discrepancies in older adults receiving asynchronous virtual care. Journal of the American Geriatrics Society, 10.1111/jgs.17971. Advance online publication.

  2. Tung J, Bodkin RJ, Laughton T, Neat C, Benjamin S, An H, Antoniou T, Ho JM. Efficiency and effectiveness of geriatric drug infographics: A randomized, controlled trial. J Am Geriatr Soc. 2021 Aug;69(8):2355-2358. doi: 10.1111/jgs.17193. Epub 2021 Jun 12. PMID: 34118060.

  3. Molnar FJ, Benjamin S, Hawkins SA, Briscoe M, Ehsan S. One size does not fit all: choosing practical cognitive screening tools for your practice. Journal of the American Geriatrics Society. 2020 Oct;68(10):2207-13.

  4. Antoniou T, Bodkin J, Ho JM. Drug interactions with cannabinoids. CMAJ. 2020 Mar 2;192(9):E206. doi: 10.1503/cmaj.191097.

  5. Antoniou T, Macdonald EM, Yao Z, Gomes T, Tadrous M, Ho JM et al. Population-Based Study of the Risk of Osteoporosis and Fracture with Dutasteride and Finasteride. BMC Musculoskeletal Disorders 2018;19(160). Available from:

  6. Benjamin S, Doraiswamy PM. Review of the use of mirtazapine in the treatment of depression. Expert Opin Pharmacother 2011;12(10):1623-1632. Available from: doi:10.1517/14656566.2011.585459.

  7. Benjamin S, Herr NR, McDuffie J, Nagi A, Williams JW Jr. VA Evidence-based Synthesis Program Reports. In Performance Characteristics of Self-Report Instruments for Diagnosing Generalized Anxiety and Panic Disorders in Primary Care: A Systematic Review Washington (DC): Department of Veterans Affairs (US) 2011.

  8. Benjamin S, Kellam H, Alfonsi J, Ho J. Postgraduate trainee views on eHealth at a distributed medical campus. 2019;2 (1). Available from:

  9. Benjamin S, McQuoid DR, Potter GG, Payne ME, MacFall JR, Steffens DC, et al. The brain-derived neurotrophic factor Val66Met polymorphism, hippocampal volume, and cognitive function in geriatric depression. Am J Geriatr Psychiatry 2010;18(4):323-331. Available from: doi:10.1097/JGP.0b013e3181cabd2b.

  10. Benjamin S, Steffens DC. Structural neuroimaging of geriatric depression. Psychiatr Clin North Am 2011;34(2):423-435, ix. Available from: doi:10.1016/j.psc.2011.02.001.

  11. Benjamin S, Taylor WD. Nature and Nurture: Genetic Influences and Gene-Environment Interactions in Depression. Reviews in Psychiatry 2010 May;6(2):82-90.

  12. Benjamin S, Williams JW Jr, Cotton C, Tung J, An H, Sanger, S, Ho JM. Anticonvulsants for behavioral and psychological symptoms in dementia: protocol for a systematic review. Systematic Reviews 2019;8(118). Available from:

  13. Cheung ENM, Benjamin S, Heckman G, Ho JM-W, Lee L, Sinha SK, et al. Clinical characteristics associated with the onset of delirium among long-term nursing home residents. BMC Geriatrics 2018;18(39). Available from:

  14. Conn D, Hogan D, Amdam L, Cassidy K-L, Cordell P, Frank C et al. Canadian Guidelines on Benzodiazepine Receptor Agonist Use Disorder Among Older Adults. Canadian Coalition for Seniors’ Mental Health 2019;Toronto, Canada.

  15. Gomes T, Juurlink DN, Ho JM, Schneeweiss S, Mamdani MM. Risk of Serious Falls associated with Oxybutynin and Tolterodine: A Population-Based Study. Journal of Urology 2011;186(4):1340-4.

  16. Herr NR, Williams JW Jr, Benjamin S, McDuffie J. Does this patient have generalized anxiety or panic disorder?: The Rational Clinical Examination systematic review. Jama 2014;312(1):78-84. Available from: doi:10.1001/jama.2014.5950.

  17. Ho J, Carayannopoulos KL, Bukhari R, Cameron C, Nagge J. Identification of Anticoagulant and Antiplatelet Use Among Older Hip Fracture Patients: A Preliminary Comparison of Medication Histories. Canadian Geriatrics Journal 2017

  18. Ho JM, Cavalcanti RB. A Shocking Bowel Prep: Severe Electrolyte Disturbances Following Polyethylene Glycol-based Bowel Preparation. JAGS 2009 Sep;57(9):1729-30.

  19. Ho JM, Gomes T, Austin PC, Mamdani M, Straus SE, Juurlink DN. Adverse cardiac events among older patients on venlafaxine: A population-based study. J Clin Psych 2014;75(6):e552-8.

  20.  Ho JM, Gruneir A, Fischer HD, Fu L, Lipscombe LL, Bell CM, et al. Serious Events in Older Ontario Residents Receiving Bowel Preparations for Outpatient Colonoscopy with Various Comorbidity Profiles: A Descriptive Population-based Study. Can J Gastroenterol 2012 July;26(7):436-40.

  21. Ho JM, Juurlink DN. Considerations when prescribing trimethoprim-sulfamethoxazole. CMAJ 2011;183(16):1851-1858.

  22. Ho JM, Juurlink DN, Cavalcanti RB. Hypokalemia Following Polyethylene Glycol-Based Bowel Preparation for Colonoscopy in Older Hospitalized Patients with Significant Comorbidities. Annals of Pharmacotherapy 2010;44(3):466-70. Epub 2010 Feb 2.

  23. Ho JM, Macdonald EM, Luo J, Gomes T, Antoniou A, Mamdani M, Juurlink DN. Pregabalin and heart failure: A Population-based study 2017;26(9):1087–1092.

  24. Ho JM, Tricco AC, Perrier L, Chen M, Juurlink DN, Straus SE. Risk of Heart Failure and Edema Among Patients on Pregabalin: A Systematic Review. Systematic Reviews Journal 2013;2(25): published online May 4, 2013.

  25. Ho J, Tung J, Maitland J, Mangin D, Thabane L, Pavlin JM, et al. GeriMedRisk, a Telemedicine Geriatric Pharmacology Consultation Service to Address Adverse Drug Events in Long-Term Care: A Stepped-Wedge Cluster Randomized Feasibility Trial Protocol (ISRCTN17219647). Pilot and Feasibility Studies 2018;4(116).

  26. Plassman BL, Williams JW Jr, Burke JR, Holsinger T, Benjamin S. Systematic review: factors associated with risk for and possible prevention of cognitive decline in later life. Ann Intern Med 2010;153(3):182-193. Available from: doi:10.7326/0003-4819-153-3-201008030-00258 Abstracted in ACP Journal Club.

  27. Randle JM, Heckman G, Oremus M, Ho JM-W. Intermittent Antipsychotic Medication, and Mortality in Institutionalized Older Adults: A Scoping Review. International Journal of Geriatric Psychiatry 2019 March 25. doi: 10.1002/gps.5106. [Epub ahead of print].

  28. Soobiah C, Daly C, Blondal E, Ewusie J, Ho J, Elliott M, et al. An evaluation of the comparative effectiveness of geriatrician-led comprehensive geriatric assessment for improving patient and healthcare system outcomes for older adults: A protocol for a systematic review and network meta-analysis. Systematic Reviews 2017;6(1):65. Available from: doi: 10.1186/s13643-017-0460-4.

  29. Straus S, Soobiah C, Tadrous M, Knowles S, Blondal E, Ashoor HM et al. Variability in the Validity and Reliability of Outcome Measures Identified in a Systematic Review to Assess Treatment Efficacy of Cognitive Enhancers for Alzheimer’s Dementia. PLoS One 2019 April 18;14(4). Available from: e0215225. doi: 10.1371/journal.pone.0215225. eCollection 2019.

  30. Taylor WD, Benjamin S, McQuoid R, Payne M, Krishnan RR, MacFall JR,  et al. AGTR1 gene variation: association with depression and frontotemporal morphology. Psychiatry Res 2012;202(2):104-109. 

  31. Thrall GC, Coverdale JH, Benjamin S, Wiggins A, Lane CJ, Pato MT. A Randomized Controlled Trial of Team-Based Learning Versus Lectures with Break-Out Groups on Knowledge Retention. Acad Psychiatry 2016;40(5):755-760. Available from:doi:10.1007/s40596-016-0501-7.

  32. Tricco A, Blondal E,Veroniki A, Soobiah C, Vafaei A, Ivory J, et al. Comparative Safety and Effectiveness of Serotonin Receptor Antagonists in Patients undergoing Chemotherapy: A Systematic Review and Network Meta-Analysis. BMC Medicine 2016;14(216). Available from:

  33. Tricco AC, Soobiah C, Berliner S, Ho J, Ng C, Ashoor H et al. Efficacy and safety of cognitive enhancers for patients with mild cognitive impairment: a systematic review and meta-analysis. CMAJ 2013;185(16):1393-401.

  34. Tricco AC, Soobiah C, Blondal E, Veroniki AA, Khan PA, Vafaei A, et al. Comparative safety of serotonin (5-HT3) receptor antagonists in patients undergoing surgery: A systematic review and network meta-analysis. BMC Med 2015 June 18;13(142). Available from: doi: 10.1186/s12916-015-0379-3.

  35. Tricco AC, Soobiah C, Ho J, Berliner S, Ng C, Chen MH, et al. Comparative safety and effectiveness of cognitive enhancers for Alzheimer’s dementia: A systematic review and network meta-analysis. Jr of American Geriatrics Society 2018;66(1):170-178. Available from: doi: 10.1111/jgs.15069. Epub 2017 Sep 29.

  36. Watt J, Gomes T, Bronskill S, Huang A, Austin P, Ho J et al. Comparative Risk of Harm Associated with Trazodone or Atypical Antipsychotic Use in Older Adults with Dementia: A Retrospective Cohort Study. CMAJ 2018;190(47) E1376-E1383; DOI:

  37. Williams, J. W., Plassman, B. L., Jr., Burke, J. R., Holsinger, T., & Benjamin, S. Preventing Alzheimer’s Disease and Cognitive Decline. Evidence Report/Technology Assessment No. 193.(Prepared by the Duke Evidence-based Practice Center under Contract No. HHSA 290-2007-10066-I.) AHRQ Publication No. 10-E005. Rockville, MD: Agency for Healthcare Research and Quality. April 2010. Abstracted in BMJ Evidence Updates and ACP Journal Club.

Peer-Reviewed Contributions to Books
  1. Lau TE, Russel S, Benjamin S. Textbook of Geriatric Psychiatry. A Case-based Approach, edited by Ana Hategan et al Springer Publications. 2018.


Peer-Reviewed Journal Abstracts
  1. Benjamin S, McQuoid, DR, Payne ME, MacFall JR, Steffens DC, Taylor WD. An association study of the Val158Met polymorphism of the COMT gene with orbitofrontal cortex volumes in the elderly. Am J Geriatr Psychiatry. 2010; 18: S92-S93

  2. Benjamin S, Payne M, Ashley-Koch A, McQuoid D, MacFall J, Taylor WD. Variation in the AGTR1 Gene and Altered Frontotemporal Structural Connectivity in Late-Life Depression; Am J Geriatr Psychiatry. 2011; 19: S100.

  3. Hodgson S, Ho J, Kalra S, Tung J, Archer C, Christina Reppas-Rindlisbacher, Eric Wong, Christopher Gabor, Yasmin Khalili, Alexandra Curkovic, Justin Lee, Sandra De Frietas, Christopher Patterson. Delirium Undetected: How Much Does Allied Health Care healthy aging advocates.  Worker Documentation Contribute to the Detection of Delirium in Geriatric Inpatients? CGS 38th Annual Scientific Meeting Advances in Care: From the Individual to the Technology. Can Geri J [Internet]. 2018 Sep. 14;21(3):218-61. Available from:

  4. Laughton T, Ho JM-W, Bodkin J, Benjamin S, Neat C, Raber C, Tung J. Geriatric pharmacology information design materials to optimize prescribing: a protocol for a randomized controlled trial. Poster Presentations at the 10th Canadian Conference on Dementia (CCD) Québec City, October 3, 2019. Can Geri J [Internet]. 2020 Mar.;23(1):4-87. Available from: B

  5. Keller D, Ho JM, Parker S. Osteomyelitis and Myocardial Infarction, Severe Complications of Pancytopenia Associated with Leflunomide Toxicity in an Older Adult: A Case Report. CGS 37th Annual Scientific Meeting: Integrating Care, Making an Impact. Can Geri J [Internet]. 2017 Sep. 29;20(3):198-39. Available from:

  6. Maitland J, Benjamin S, Ho JM-W. Addressing Geriatric Pharmacotherapy Capacity in Waterloo Wellington: An Internet-Based Survey Needs Assessment 2017.

  7. Soobiah C, Straus SE, Blondal E, Ashoor H, Ghassemi M, Khan PA, Ho J, Berliner S, Tricco AC. . Outcomes utilized to assess Alzheimer’s disease from a systematic review and survey of decision-makers. Abstracts from the 33rd Annual Scientific Meeting of the Canadian Geriatrics Society Toronto, April 2013. Can Geri J [Internet]. 2013 Apr. 25;16(2):66-103. Available from:

  8. Teves J, Bodkin J, Ho JM-W. Pharmacogenomics services for Ontarians living with dementia: an environmental scan. Poster Presentations at the 10th Canadian Conference on Dementia (CCD) Québec City, October 3, 2019. Can Geri J [Internet]. 2020 Mar. 13;23(1):4-87. Available from:

  9. To E, Stoian M, Tung J, Benjamin S, Ho J. Prescribing Outcomes of an Interdisciplinary Geriatric Clinical Pharmacology and Psychiatry Telemedicine Service: A Feasibility Study. CGS 39th Annual Scientific Meeting: Book of Abstracts. Can Geriatr J [Internet]. 2019 Aug. 30 ;22(3):99-142. Available from:

  10. Tung J, Cox L, Benjamin S, An H, Ho J. GeriMedRisk: Preliminary Data From A New Technology- Based Geriatric Clinical Pharmacology Consult Service. Canadian Journal of Geriatrics 2018;21(1).

  11. Williams JW Jr, Plassman BL, Burke JR, Holsinger T, Benjamin S. Evidence-based Practice Center Presentation I: Systematic Review Methods and the Factors Associated with the Reduction of Risk of Alzheimer’s Disease and Cognitive Decline 2010.

  12. Williams JW Jr, Plassman BL, Burke JR, Holsinger T, Benjamin S. Evidence-based Practice Center Presentation II: Therapeutic and Adverse Effects of Interventions to Delay the Onset of Alzheimer’s Disease 2010.

  13. Williams JW Jr, Plassman BL, Burke JR, Holsinger T, Benjamin S. Evidence-based Practice Center Presentation III:  Relationship between the Factors That Affect Alzheimer’s Disease and Those That Affect Cognitive Decline 2010.


Non-Peer Reviewed Journal Abstracts
  1. Herr NR, Benjamin S, McDuffie J, Nagi A, Williams JW. Performance Characteristics of Self-Report Instruments for Diagnosing Generalized Anxiety and Panic Disorders in Primary Care:  A Systematic Review. VA HSR&D Annual Meeting, HSR&D National Meeting 2012 July;Washington DC.
Non-Peer-Reviewed Journal Articles
  1. Joanne Man-Wai Ho. “Editorial: La toxicologie chez les personnes âgées.”. “Editorial: La toxicologie chez les personnes âgées.”.

Accepted for Publication: Journal Article
  1. Ritsma A, McCutchen B, Benjamin, S. Methamphetamine-Induced Psychosis: To Treat or Not to Treat? EBM-CR; 1(2). 

Other Peer-Reviewed Publications
  1. Ho J, Benjamin S, Cox L, Bodkin J. Forging Inter-professional Collaboration and Improving Access to Geriatric Expertise with eConsult: GeriMedRisk. Canadian Association of Geriatric Psychiatry-Canadian Coalition for Seniors Mental Health Annual Scientific Meeting Book of Abstracts 2019 October.