Faculty profile

Zahi Touma

ResearcherMedicineUniversity of Toronto

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Toronto directory, so their courses and email address may be missing. Find their university profile.

Zahi Touma

Researcher

Medicine

Health Sciences

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
121 publications in the last five years, latest in 2026.
Senior (last) author on 47 recent papers, a sign of leading a research group.
Principal investigator on 2 research grants (2 CIHR), most recently in 2024.
Supervised 1 trainee who won CIHR awards, most recently in 2023.

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

Academic metrics

213

Publications

4,028

Citations

h-index

Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

Profiles and links

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Signals and details

Research

Critical Appraisal Tool Measurement Properties Methodological Quality Patient-Reported Outcome Measures Study Quality Systematic Reviews Biomarkers Clinical Phenotypes

Latest papers

Differences in IgG Sialylation Distinguish Asymptomatic From Symptomatic Antinuclear Antibody-Positive Individuals.
Arthritis & rheumatology (Hoboken, N.J.) · 2026
Lessons from a specialized lupus clinic: Presentation and damage outcomes in inception vs. prevalent lupus nephritis cohorts.
Seminars in arthritis and rheumatism · 2026 · senior author
Difficult-to-treat systemic lupus erythematosus: from refractory disease to a multidimensional clinical trajectory.
Journal of autoimmunity · 2026

All 213 publications

Latest funding

Personalizing Therapy to Optimize Outcomes by Synthesizing Real-World Evidence and Establishing Patient Preferences
CIHR · 2026 · Co-investigator
$443,700
The Best Outcome Selection Study: Reliability, Validity and Feasibility of Critical Appraisal Tools for Measurement Property Studies
CIHR · 2024 · Principal investigator
$110,160
Towards the Discovery of Predictive Biomarkers for Outcomes in Lupus Nephritis
CIHR · 2023 · Supervisor
$135,000

All 8 grants and awards

From the 150 most recent of 213 publications.

Differences in IgG Sialylation Distinguish Asymptomatic From Symptomatic Antinuclear Antibody-Positive Individuals.

Muñoz-Grajales C, Ucciferri CC, Johnson SR, Touma Z, Ahmad Z, Bonilla D, Hiraki LT, Bookman A, Wither JE

Arthritis & rheumatology (Hoboken, N.J.)2026

DOI: 10.1002/art.43323 PMID: 40693400

Lessons from a specialized lupus clinic: Presentation and damage outcomes in inception vs. prevalent lupus nephritis cohorts.

Kharouf F, Mehta P, Li Q, Gladman DD, Garcia LPW, Touma Z

Seminars in arthritis and rheumatism2026Senior author

DOI: 10.1016/j.semarthrit.2026.153074 PMID: 42766980

Difficult-to-treat systemic lupus erythematosus: from refractory disease to a multidimensional clinical trajectory.

Gandolfo S, Parodis I, Mauro D, Riccio F, Garcia LW, Schett G, Touma Z, Ciccia F

Journal of autoimmunity2026

DOI: 10.1016/j.jaut.2026.103617 PMID: 42685670

Characterizing arthritis subtypes in lupus: prevalence, clinical features and role of type I interferon signatures.

Mehta P, Kharouf F, Carrizo-Abarza V, Wither J, Patel M, Li Q, Gladman DD, Whittall Garcia LP, Touma Z

Rheumatology (Oxford, England)2026Senior author

DOI: 10.1093/rheumatology/keag379 PMID: 42484290

Lupus Nexus: developing a prospective registry, biorepository and data exchange platform to foster global collaborations, accelerate research innovation and advance precision medicine in lupus.

Staeva TP, Khosroshahi A, Kim AH, Kelly DD, Fekete MJ, Anyadike K, Baloski A, Barriteau SK, Davis A, Mitchell AM, Nepochatov N, Roesler G, Rawley-Payne M, Apruzzese W, Charbonneau A, Dowd C, Fortin PR, Hoover P, Karp DR, Koumpouras F, Lewis M, Mackay M, Mina-Osorio P, Peschken C, Shaw J, Tipple D, Touma Z, Wang A, Wilson R, Bell S, Lee A, Hurlbert MS, Stimola-Sposaro J, Pascual V, Sanz I, Schafer P, Lim SS, Lupus Landmark Study Investigators

Lupus science & medicine2026

DOI: 10.1136/lupus-2026-001977 PMID: 42521601

Employment Trajectories of Patients With Systemic Lupus Erythematosus and Factors Driving Transitions Between States.

Mencia-Ledo J, Touma Z, Whittall Garcia L, Gladman DD, Nowrouzi-Kia B

Arthritis care & research2026

DOI: 10.1002/acr.80123 PMID: 42504164

Repeat biopsy in membranous lupus nephritis: extending the lens beyond light microscopy.

Peleg H, Gladman DD, Garcia LPW, Touma Z, Kharouf F

Seminars in arthritis and rheumatism2026

DOI: 10.1016/j.semarthrit.2026.153063 PMID: 42641199

ERN ReCONNET-SLICC-SLEuro consensus on the therapeutic management of rare systemic lupus erythematosus manifestations (part 2).

Arnaud L, Monticielo OA, Piga M, Costedoat-Chalumeau N, Touma Z, Ruiz-Irastorza G, Bae SC, Bernatsky S, Bonfa E, Bottazzi F, Cervera R, Chehab G, Clarke AE, Dall'era M, Duarte-Garcia A, Espinosa G, Fortin PR, Fredi M, Gómez-Puerta JA, Izuka S, Jönsen A, Khmelinskii N, Legge A, Meisalu S, Moroni L, Orsolini G, Padjen I, Petri M, Pons-Estel G, Ramirez GA, Ramsey-Goldman R, Sciascia S, Tincani A, Triggiani M, Ugarte-Gil MF, Vinet E, Vital EM, Mosca M, Tani C, ERN ReCONNET–SLICC–SLEuro rare SLE taskforce member panel

The Lancet. Rheumatology2026

DOI: 10.1016/s2665-9913(26)00141-4 PMID: 42648304

International development of a lupus-specific instrument to assess cognitive symptoms in patients with SLE: Lupus Brain Fog Severity Scale (LBFSS) study.

Arnaud L, Piga M, Pons-Estel GJ, Fuentes-Silva YJ, Devilliers H, Faria R, Duarte-Garcia A, Guimarães de Oliveira D, Scolnik M, van Leuven S, Smith E, Appenzeller S, Padjen I, Petri MA, Bortoluzzi A, Parodis I, Mackay M, Parlindungan F, Monticielo OA, Fanouriakis A, Kleitz C, Knight AM, Philippi N, Hoi A, Karakikla-Mitsakou Z, Silva Ribeiro S, Sluijmers A, Sturiene A, Touma Z

Lupus science & medicine2026Senior author

DOI: 10.1136/lupus-2026-002148 PMID: 42442803

Development and validation of EULAR quality indicators for lupus nephritis: adherence trends and impact on clinical outcomes.

Akat ΕO, Kostopoulou M, Katechis S, Drougkas K, Chavatza K, Kronbichler A, Pons-Estel BA, Rovin BH, Nagy G, Yazdany J, Carter LM, Quintana LF, Nikpour M, Praga M, Ugarte-Gil MF, Dall'Era M, Trachana M, Mosca M, Ward MM, Zhao MH, Inanc M, Yajima N, Navarra S, Lionaki S, Gheita TA, Tesar V, Amoura Z, Touma Z, Bertsias G, Fanouriakis A, Boumpas DT

Annals of the rheumatic diseases2026

DOI: 10.1016/j.ard.2026.05.030 PMID: 42431783

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Zahi Touma

Research

Latest papers

Latest funding

Differences in IgG Sialylation Distinguish Asymptomatic From Symptomatic Antinuclear Antibody-Positive Individuals.

Lessons from a specialized lupus clinic: Presentation and damage outcomes in inception vs. prevalent lupus nephritis cohorts.

Difficult-to-treat systemic lupus erythematosus: from refractory disease to a multidimensional clinical trajectory.

Characterizing arthritis subtypes in lupus: prevalence, clinical features and role of type I interferon signatures.

Lupus Nexus: developing a prospective registry, biorepository and data exchange platform to foster global collaborations, accelerate research innovation and advance precision medicine in lupus.

Employment Trajectories of Patients With Systemic Lupus Erythematosus and Factors Driving Transitions Between States.

Repeat biopsy in membranous lupus nephritis: extending the lens beyond light microscopy.

ERN ReCONNET-SLICC-SLEuro consensus on the therapeutic management of rare systemic lupus erythematosus manifestations (part 2).

International development of a lupus-specific instrument to assess cognitive symptoms in patients with SLE: Lupus Brain Fog Severity Scale (LBFSS) study.

Development and validation of EULAR quality indicators for lupus nephritis: adherence trends and impact on clinical outcomes.

Frequent collaborators

Joan Wither

Nicole Anderson

Murray Urowitz

Kathleen Bingham

Robin Green

Dorcas Beaton

Lihi Eder

Sasha Bernatsky

Laura Whittall-Garcia

Sasha Bernatsky

Behdin Nowrouzi-Kia

Christine Peschken

Richard Cook

Vinod Chandran

Arielle Mendel

Arielle Mendel

Andrea Knight

Peter Szatmari

Peter Szatmari

Martin Offringa

David Moher

Peter Tugwell

Beverley Shea

Evelyne Vinet

Nigil Haroon

Evelyne Vinet

Raphael Schneider

Diane Lacaille

Nicholas Mitsakakis

May Choi

Karine Toupin April

Elena Netchiporouk

Wendy Singer

Mohammad Movahedi

Jaime Guzman