Faculty profile

Russel Schachar

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ProfessorDepartment of PsychiatryUniversity of Toronto

Russel Schachar

Professor

Department of Psychiatry

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
126 publications in the last five years, latest in 2026.
Senior (last) author on 10 recent papers, a sign of leading a research group.
Principal investigator on 1 research grant (1 NSERC), most recently in 2013.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

486

Publications

38,333

Citations

232

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

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Signals and details

Research

Read how they describe their research on their University of Toronto profile.

Latest papers

Mapping the genetic landscape across 14 psychiatric disorders.
Nature · 2026
Transdiagnostic Behavioral Phenotypes and Comorbid Gastrointestinal Symptoms in Neurodevelopmental Disorders: An Exploratory Study
Autism Research · 2026
Advances in the management of ADHD in children and adolescents.
BMJ (Clinical research ed.) · 2026 · senior author

All 486 publications

Latest funding

PEGASYS - Phenomic, environmental and genomic approaches to psychopathology
NSERC · 2013 · Principal investigator
$25,000

All 1 grants and awards

From the 150 most recent of 486 publications.

Mapping the genetic landscape across 14 psychiatric disorders.

Grotzinger AD, Werme J, Peyrot WJ, Frei O, de Leeuw C, Bicks LK, Guo Q, Margolis MP, Coombes BJ, Batzler A, Pazdernik V, Biernacka JM, Andreassen OA, Anttila V, Børglum AD, Breen G, Cai N, Demontis D, Edenberg HJ, Faraone SV, Franke B, Gandal MJ, Gelernter J, Hatoum AS, Hettema JM, Johnson EC, Jonas KG, Knowles JA, Koenen KC, Maihofer AX, Mallard TT, Mattheisen M, Mitchell KS, Neale BM, Nievergelt CM, Nurnberger JI, O'Connell KS, Peterson RE, Robinson EB, Sanchez-Roige SS, Santangelo SL, Scharf JM, Stefansson H, Stefansson K, Stein MB, Strom NI, Thornton LM, Tucker-Drob EM, Verhulst B, Waldman ID, Walters GB, Wray NR, Yu D, Anxiety Disorders Working Group of the Psychiatric Genomics Consortium, Attention-Deficit/Hyperactivity Disorder (ADHD) Working Group of the Psychiatric Genomics Consortium, Autism Spectrum Disorders Working Group of the Psychiatric Genomics Consortium, Bipolar Disorder Working Group of the Psychiatric Genomics Consortium, Eating Disorders Working Group of the Psychiatric Genomics Consortium, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Nicotine Dependence GenOmics (iNDiGO) Consortium, Obsessive-Compulsive Disorder and Tourette Syndrome Working Group of the Psychiatric Genomics Consortium, Post-Traumatic Stress Disorder Working Group of the Psychiatric Genomics Consortium, Schizophrenia Working Group of the Psychiatric Genomics Consortium, Substance Use Disorders Working Group of the Psychiatric Genomics Consortium, Lee PH, Kendler KS, Smoller JW

Nature2026108 citationsOpen Access

DOI: 10.1038/s41586-025-09820-3 PMID: 41372416

Transdiagnostic Behavioral Phenotypes and Comorbid Gastrointestinal Symptoms in Neurodevelopmental Disorders: An Exploratory Study

Cleary S, Asbury S, Schachar RJ, Crosbie J, Nicolson R, Weksberg R, Kelley E, Jones J, Ayub M, Georgiades S

Autism Research20263 citationsOpen Access

DOI: 10.1002/aur.70143

Advances in the management of ADHD in children and adolescents.

Robaey P, Rogers MA, Schachar RJ

BMJ (Clinical research ed.)20262 citationsSenior author

DOI: 10.1136/bmj-2024-082507 PMID: 42259585

The development of dynamic networks supporting attentional flexibility.

Coleman SC, Rhodes N, Wong SM, Mithani K, Warsi NM, Suresh H, Anagnostou E, Crosbie J, Schachar R, Lerch JP, Taylor MJ, Ibrahim GM

Developmental cognitive neuroscience20261 citationsOpen Access

DOI: 10.1016/j.dcn.2026.101669 PMID: 41518864

Discovery of the first genome-wide significant risk loci for attention deficit/hyperactivity disorder

Hyejung Won, Margaret J. Wright, Hakon Hakonarson, Christie L. Burton, Jonna Kuntsi, Ole A. Andreassen, Jan Haavik, Dorret I. Boomsma, Poterba, Timothy, Kate Langley, Bru Cormand, Irwin D. Waldman, Julian Maller, Esben Agerbo, Ditte Demontis, Jennifer L. Moran, Dalsgaard, Søren, Gísli Baldursson, Raymond K. Walters, Alicia R. Martin, Jonatan Pallesen, Andreas Reif, Nicholas G. Martin, Jesper Buchhave Poulsen, Sarah E. Medland, Thomas D. Als, Rich Belliveau, Joanna L. Martin, David M. Hougaard, Jonas Bybjerg-Grauholm, et al. (81 authors)

Carolina Digital Repository (University of North Carolina at Chapel Hill)2026Open Access

DOI: 10.17615/gv8x-f016

The "route cause" of methotrexate-induced brain structure changes in a juvenile mouse model: Comparison of systemic and CNS-targeted chemotherapy.

Choi SE, Ayoub T, Lee G, Wheeler AL, Guger SL, Weksberg R, Ito S, Schachar RJ, Hitzler J, Nieman BJ

Neurotoxicology2026

DOI: 10.1016/j.neuro.2025.103363 PMID: 41386426

Update on ADHD genetics: A practitioner's perspective: Mise à jour sur la génétique du TDAH : le point de vue d'un praticien.

Schachar R, Crosbie J, Arnold PD, Burton CL

Canadian journal of psychiatry. Revue canadienne de psychiatrie2026First authorOpen Access

DOI: 10.1177/07067437261457230 PMID: 42299664

Brain-Charting Autism and Attention-Deficit/Hyperactivity Disorder Reveals Distinct and Overlapping Neurobiology.

Bedford SA, Lai MC, Lombardo MV, Chakrabarti B, Ruigrok A, Suckling J, Anagnostou E, Lerch JP, Taylor M, Nicolson R, Stelios G, Crosbie J, Schachar R, Kelley E, Jones J, Arnold PD, Courchesne E, Pierce K, Eyler LT, Campbell K, Barnes CC, Seidlitz J, Alexander-Bloch AF, Bullmore ET, Baron-Cohen S, Bethlehem RAI, MRC AIMS Consortium, Lifespan Brain Chart Consortium

Biological psychiatry202548 citationsOpen Access

DOI: 10.1016/j.biopsych.2024.07.024 PMID: 39128574

Assigning Targetable Pathways to Transdiagnostic Subgroups Across Neurodevelopmental Disorders

Ellegood J, Beauchamp A, Yee YC, Devenyi GA, Ziolkowski J, Qiu LR, Askalan R, Ayub M, Suetterlin P, Donovan APA

202510 citationsOpen Access

DOI: 10.1101/2025.03.04.641443

A cross-disorder analysis of CNVs finds novel loci and dose-dependent relationships of genes to psychiatric traits

Omar Shanta, Marieke Klein, Molly Sacks, Jeffrey R. MacDonald, Adam X. Maihofer, Mohammad Mehdi Ahangari, Worrawat Engchuan, Bhooma Thiruvahindrapuram, James P. Guevara, Oanh Hong, Guillaume Huguet, Ida Elken Sønderby, Maria Kalyuzhny, Mark J. Adams, Rolf Adolfsson, Ingrid Agartz, Allison E. Aiello, Martin Alda, Judith Allardyce, Ananda B. Amstadter, Till F. M. Andlauer, Ole A. Andreassen, María S. Artigas, Sydney Bryn Austin, Muhammad Ahsin Ayub, Dewleen G. Baker, Nick Bass, Bernhard T. Baune, Maximilian Bayas, Klaus Berger, et al. (239 authors)

medRxiv20256 citationsOpen Access

DOI: 10.1101/2025.07.11.25331310 PMID: 40791719

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

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Russel Schachar

Research

Latest papers

Latest funding

Mapping the genetic landscape across 14 psychiatric disorders.

Transdiagnostic Behavioral Phenotypes and Comorbid Gastrointestinal Symptoms in Neurodevelopmental Disorders: An Exploratory Study

Advances in the management of ADHD in children and adolescents.

The development of dynamic networks supporting attentional flexibility.

Discovery of the first genome-wide significant risk loci for attention deficit/hyperactivity disorder

The "route cause" of methotrexate-induced brain structure changes in a juvenile mouse model: Comparison of systemic and CNS-targeted chemotherapy.

Update on ADHD genetics: A practitioner's perspective: Mise &#xe0; jour sur la g&#xe9;n&#xe9;tique du TDAH : le point de vue d'un praticien.

Brain-Charting Autism and Attention-Deficit/Hyperactivity Disorder Reveals Distinct and Overlapping Neurobiology.

Assigning Targetable Pathways to Transdiagnostic Subgroups Across Neurodevelopmental Disorders

A cross-disorder analysis of CNVs finds novel loci and dose-dependent relationships of genes to psychiatric traits

PEGASYS - Phenomic, environmental and genomic approaches to psychopathology

Frequent collaborators

Russell Schachar

Jennifer Crosbie

Paul Arnold

Evdokia Anagnostou

Alice Charach

Stelios Georgiades

Elizabeth Kelley

Cathy Barr

James Kennedy

Annie Dupuis

Jason Lerch

Parminder Raina

Margot Taylor

Peter Szatmari

Manuel Mattheisen

Stephen Scherer

Brian Nieman

Azadeh Kushki

Rosanna Weksberg

Jessica Brian

A Guerguerian

Abel Ickowicz

Tara McAuley

Joy Chen

Carolina Barnett-Tapia

Greg Costain

Janine Flanagan

Eyal Grunebaum

John Kennedy

Katharina Manassis

Update on ADHD genetics: A practitioner's perspective: Mise à jour sur la génétique du TDAH : le point de vue d'un praticien.