Mario Masellis, MD

University of Toronto, Toronto, Ontario, Canada; Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada

  • 3Articles
  • 9.2KReads
  • 2001–2026Active
  • 30Collaborators
  • 1Citations

About

Mario Masellis, MD, is affiliated with the University of Toronto and the Division of Neurology at Sunnybrook Health Sciences Centre in Toronto, Ontario, Canada. With publications spanning from 2001 to 2026, Masellis has contributed research on Alzheimer disease, cognition, major depressive disorder, geriatric psychiatry, and weight-related effects of psychotropic medications. His work includes studies on neuropsychiatric symptom clusters in Alzheimer disease, pharmacokinetic and therapeutic effects of combined antidepressant treatments, and the pharmacogenetics of atypical antipsychotic-induced weight gain. He has frequently collaborated with authors such as Roger S. McIntyre and Agessandro Abrahao.

Publications

JCP
Neuropsychiatric Symptom Clusters and Brain Structure in Alzheimer’s Disease
Original Research

Neuropsychiatric Symptom Clusters and Brain Structure in Alzheimer’s Disease

March 16, 2026

Neuropsychiatric symptoms in Alzheimer’s disease separate into hyperactivity, psychosis, neurovegetative, and affective clusters, supporting a cluster-based paradigm linking behavioral symptoms with brain structure and functional decline.
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JCP
Original Research

Combining Bupropion SR With Venlafaxine, Paroxetine, or Fluoxetine: A Preliminary Report on Pharmacokinetic, Therapeutic, and Sexual Dysfunction Effects

March 1, 2002

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JCP
Article

Genetic Dissection of Atypical Antipsychotic-Induced Weight Gain: Novel Preliminary Data on the Pharmacogenetic Puzzle

January 9, 2001

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Physicians Postgraduate Press, Inc. (PPP) makes no warranties about the accuracy or completeness of any information published in The Journal of Clinical Psychiatry or other PPP materials, and disclaims liability for any use or non-use of that information. Clinicians should not rely solely on these materials and should exercise their own professional judgment when making patient care decisions on an individualized basis.

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