Philip S Helliwell

103PUBLICATIONS
205CO-AUTHORS
Disease surveillancePacific Peoples social determinants of healthRheumatology and arthritisPharmacogenomicsApplied immunology (incl. antibody engineering, xenotransplantation and t-cell therapies)
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Publications (103)

|Jul 07, 2026
Harnessing Administrative Data for Real-World Evidence in Psoriatic Disease: Opportunities, Challenges, and Methodological Considerations.

|Mar 21, 2026
Treatment satisfaction, disease severity, and health-care use in patients with axial spondyloarthritis in the United States and Europe.

Elena Nikiphorou, Alexis Ogdie, Dan Twigg

|Dec 15, 2025
Influence of Biological Sex on Participant Characteristics, Guselkumab Efficacy and Radiographic Progression in Active Psoriatic Arthritis: Post Hoc Analysis of Three Randomized Trials.

Dafna D Gladman, Lihi Eder, Carlo Selmi

|Dec 04, 2025
Effectiveness of Tofacitinib in Patients with Psoriatic Arthritis Initiating Monotherapy Versus Combination Therapy: Results from the CorEvitas Psoriatic Arthritis/Spondyloarthritis Registry.

Alexis Ogdie, Nicole Middaugh, Taylor Blachley

|Dec 03, 2025
Antimicrobial Use and Serious Infections Among Patients With Psoriatic Arthritis After Initiating Tumor Necrosis Factor Inhibitors: A Nationwide Matched Cohort Study.

Telma Thrastardottir, Aron Hjalti Bjornsson, Alexis Ogdie

|Aug 29, 2025
Patient Experiences with Psoriatic Disease in the USA: Results from the Psoriasis and Beyond Global Study.

April W Armstrong, Sicily Mburu, George C Gondo

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Frequent Collaborators

29 joint publications

Phillip J Mease

19 joint publications

Dafna D Gladman

19 joint publications

Laura C Coates

15 joint publications

Ana-Maria Orbai