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Zahi Touma is an expert in Rheumatology at Toronto Western Hospital (Canada). As of October 2026, ScienceLeadR ranks Zahi Touma in the top 1% of experts worldwide for Nephritis, Autoimmune Diseases and Arthritis. Zahi Touma has authored 328 publications, the most recent in 2026, and is an investigator in 8 clinical trials, 2 of them ongoing. SLR score: 1,350 (community average: 125). How the SLR is computed.

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Zahi Touma Toronto Western Hospital Canada
1 350 ScienceLeadR Reputation 1350

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Rheumatology

Subspecialties: Immunology - Internal Medicine - Dermatology

Full career – Last 3 years

Main Topics

Publications and Clinical Studies

Publications – Clinical Studies

Profile data updated on

Organizations

Career arc: 2007 - 2026
Source: PubMed

Toronto Western Hospital

Publications Synthesis

Sources: PubMed, OpenAlex

Number : 328

Citations

Citations: 9 113 1st author: 61 Last author: 114 Unique author: 3

Main journals

J Rheumatol 54
Ann Rheum Dis 41
Rheumatology (Oxford) 34
Semin Arthritis Rheum 27
Arthritis Care Res (Hoboken) 19

Best Journals

Lancet 1

Breakdown by type

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Latest Publications

5 most recent indexed articles

Source: Pubmed

Title Journal Year Citations
Antimalarial exposure and renal histopathologic findings in LN.
PMID 42853650 — fibrosis, lupus nephritis, kidney, biopsy, rheumatic diseases, therapeutics, antimalarials, nephritis		Rheumatology (Oxford)20260
Investigating the association between interferons and flares of systemic lupus erythematosus at a single cell level.
PMID 42903145 — cells, genes, lupus erythematosus, systemic		Front Immunol20260
ERN ReCONNET-SLICC-SLEuro consensus on the therapeutic management of rare systemic lupus erythematosus manifestations (part 2).
PMID 42648304 — lupus erythematosus, systemic, therapeutics, erythema		Lancet Rheumatol20260
Difficult-to-treat systemic lupus erythematosus: from refractory disease to a multidimensional clinical trajectory.
PMID 42685670 — glucocorticoids, autoantibodies, arthritis, lupus erythematosus, systemic, autoimmune diseases, therapeutics		J Autoimmun20260
Repeat biopsy in membranous lupus nephritis: extending the lens beyond light microscopy.
PMID 42641199 — arthritis, lupus nephritis, biopsy, rheumatic diseases, microscopy, nephritis		Semin Arthritis Rheum20260

Clinical Studies 8

Sources: ClinicalTrials, EU CTIS

Synthesis

Principal Investigator: 4

By phase:

N/A 5
Phase 2 2
Phase 3 1

By status:

Completed 6
Not yet recruiting 1
Recruiting 1

By type:

Interventional 4
Observational 4

By Monocentric/Multicentric:

monocentric 4
multicentric2to4 0
multicentric5to9 0
multicentricup10 4

Main Topics

Ongoing Clinical Trials

2 ongoing trials started since 2021, where this expert is an investigator

Source: ClinicalTrials

Study Phase Status Start
OMERACT SLE Delphi
NCT07136090 — research design, quality of life, longitudinal studies, multiple chronic conditions, lupus erythematosus, systemic		N/ANot yet recruiting2025
Lupus Landmark Study A Prospective Registry and Biorepository
NCT05934149 — registries, vasculitis, lupus vasculitis, central nervous system, lupus nephritis, central nervous system, lupus erythematosus, systemic, vasculitis, central nervous system, nervous system, nephritis		N/ARecruiting2023

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Sources: PubMed, OpenAlex, ClinicalTrials, EU CTIS