The Journal of Rheumatology: 53 (Suppl 2)

September 01, 2026; Volume 53,Issue Suppl 2

Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA)

Articles

Open Access
Prologue: Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) 2025 Annual Meeting
Dafna D. Gladman, Wilson Bautista-Molano, Denis Poddubnyy, William Tillett, Maarten de Wit and Alice B. Gottlieb

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 1-3; DOI: https://doi.org/10.3899/jrheum.2026-0590
Open Access
GRAPPA 2025 Collaborative Research Network Meeting: Difficult-to-Treat Psoriatic Arthritis and Future Strategies for Curing Psoriasis
Andrew Blauvelt, Philip J. Mease, Pamela Díaz, Vinod Chandran, Wilson Liao and Kurt de Vlam

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 4-6; DOI: https://doi.org/10.3899/jrheum.2026-0369
Open Access
Imaging in Psoriatic Arthritis: Focus on Axial Magnetic Resonance Imaging and Peripheral Musculoskeletal Ultrasound
Sebastián Herrera-Uribe, Arnon Katz, Wendy Wagenaar, Catherine Bakewell and Manouk de Hooge

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 7-11; DOI: https://doi.org/10.3899/jrheum.2026-0434
Open Access
Topicals for Psoriasis: Classical Drugs, New Concepts, and New Medications
Juan Raul Castro-Ayarza and Manuel Dario Franco

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 12-14; DOI: https://doi.org/10.3899/jrheum.2026-0440
Open Access
Targeting the Metabolic-Inflammatory Axis in Psoriasis and Psoriatic Arthritis: Evidence From Diet, Glucagon-like Peptide-1 Receptor Agonists, and Patient Perspectives
Giulia Marchionni, Monica Guma, Anthony P. Fernandez, Suzanne M. Grieb, Lihi Eder, Christine A. Lindsay and Enrique R. Soriano

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 15-18; DOI: https://doi.org/10.3899/jrheum.2026-0589
Open Access
Advancing Psoriatic Disease Knowledge: Highlights From the GRAPPA 2025 Trainee Symposium
M. Elaine Husni, Sibel Z. Aydin, Fabian Proft and Lihi Eder

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 19-22; DOI: https://doi.org/10.3899/jrheum.2026-0370
Open Access
Transforming Psoriatic Disease Care Through Innovation and Real-World Data: GRAPPA 2025 Soapbox Highlights
Keith Colaco, Juan Raul Castro-Ayarza, Vasileios Charisis and Rodrigo García-Salinas

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 23-27; DOI: https://doi.org/10.3899/jrheum.2026-0371
Open Access
GRAPPA 2025 Annual Meeting: Advances in Psoriatic Disease Research From Pilot Grant Awardees
Amélie Spangenberg, Tina Bhutani, Lyn D. Ferguson, Anaïs Makos, Akihiro Nakamura, Anna Piccinelli, Giovanni Adami, Roshan Amarasena, Paolo Gisondi, Oksana Kehoe, Jan Herman Kuiper, Maurizio Rossini, Naveed Sattar, Stefan Siebert, Kurt de Vlam, Vinod Chandran and Wilson Liao

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 28-32; DOI: https://doi.org/10.3899/jrheum.2026-0372
Open Access
Bridging Generations: Leveraging Technology and Artificial Intelligence for Better Research, Outreach, and Daily Practice
André L. Ribeiro, Sebastián Herrera, Sergio del Vescovo, Wendy Wagenaar and Daniela B. Tovar-Bastidas

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 33-36; DOI: https://doi.org/10.3899/jrheum.2026-0373
Open Access
Targeted Therapy, Untargeted Rash: Insights From a GRAPPA Workshop on Immune Shifts in Psoriatic Disease
Leandro Linhares Leite, André L. Ribeiro, Jeffrey Chau and Joseph F. Merola

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 37-40; DOI: https://doi.org/10.3899/jrheum.2026-0480
Open Access
GRAPPA 2025 Annual Meeting Report: Session on Geographic Variations in Psoriatic Arthritis/Psoriasis Care and Resource Limitations
Elaine J. Ma, Rose Boit, Ying Ying Leung, Shikha Singla, Daniel Fernández-Ávila, Umut Kalyoncu and April W. Armstrong

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 41-43; DOI: https://doi.org/10.3899/jrheum.2026-0374
Open Access
Single-Cell and Spatial Omics Uncover Disease-Specific Synovial Landscapes in Rheumatoid and Psoriatic Arthritis
Alexandra Khmelevskaya, Christopher Ritchlin, Caroline Ospelt and Raphael Micheroli

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 44-47; DOI: https://doi.org/10.3899/jrheum.2026-0375
Open Access
Psoriatic Disease Across Dimensions: Global Epidemiology, Comorbidity, and Artificial Intelligence in Treatment Prediction
Sahil Koppikar, Milton Rodríguez-Zúñiga, Devika Dua and Ashish J. Mathew

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 48-51; DOI: https://doi.org/10.3899/jrheum.2026-0468
Open Access
Harnessing Administrative Data for Real-World Evidence in Psoriatic Disease: Opportunities, Challenges, and Methodological Considerations
Dylan McGagh, Gary J. Macfarlane and Alexis Ogdie

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 52-54; DOI: https://doi.org/10.3899/jrheum.2026-0481
Open Access
GRAPPA Debate: Is Plain Radiography in Psoriatic Disease Still Necessary?
Isaac T. Cheng, Arthur Kavanaugh and William Tillett

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 55-57; DOI: https://doi.org/10.3899/jrheum.2026-0376
Open Access
GRAPPA Research Projects: Development of Criteria for Axial Psoriatic Arthritis and Definitions of Complex-to-Manage and Treatment-Refractory Psoriatic Arthritis
Jean-Guillaume Letarouilly, Fabian Proft, Philip J. Mease, Dafna D. Gladman and Denis Poddubnyy

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 58-60; DOI: https://doi.org/10.3899/jrheum.2026-0377
Open Access
Introducing the Global Exploration of Psoriatic Arthritis Disease Activity Assessment (EXPLORE-PsA): The First Young-GRAPPA Research Initiative
Michelle L.M. Mulder, Dylan McGagh and Philip S. Helliwell

The Journal of Rheumatology September 1 2026, 53 (Suppl 2) 61-62; DOI: https://doi.org/10.3899/jrheum.2026-0435

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