Katja Perdan Pirkmajer

Uppsala University — Sweden

Medicine · Health Sciences

16h-index695citations97works1.32yr avg
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Research Topics

Spondyloarthritis Studies and Treatments(20), Rheumatoid Arthritis Research and Therapies(18), Systemic Lupus Erythematosus Research(14), Systemic Sclerosis and Related Diseases(14), Psoriasis: Treatment and Pathogenesis(13)

Publications97 total

Immunological signatures in patients with Sjögren's disease: association with systemic disease activity at diagnosis
Clinical and Experimental Rheumatology·2025Open Access
Sex disparities in the phenotype at diagnosis of Sjögren's disease: artificial intelligence-driven characterisation in 17,416 patients
Clinical and Experimental Rheumatology·2025Open Access
Defining Bath Ankylosing Spondylitis Disease Activity Index Cut‐off Values for Disease Activity States in a Multinational European Cohort of Patients With Axial Spondyloarthritis
ACR Open Rheumatology·2025Open Access
Deep hierarchical subtyping of multi-organ systemic sclerosis trajectories - a EUSTAR study
npj Digital Medicine·2025· 1 citedOpen Access
Diagnostic potential of soluble and membrane-bound inducible T-cell co-stimulator in Sjögren's disease
Clinical and Experimental Rheumatology·2025Open Access
Temporal trends in vascular medication use in 8079 patients with systemic sclerosis: insights to inform future trials and therapeutic strategies from the EUSTAR cohort
Lara D. Veeken·2025· 3 cited
POS1250 ASSOCIATION BETWEEN METABOLIC COMORBIDITIES AND RETENTION RATES OF FIRST-LINE b/tsDMARD TREATMENT IN PATIENTS WITH PSORIATIC ARTHRITIS: EUROPEAN REAL-WORLD RESULTS
Annals of the Rheumatic Diseases·2025Open Access
ABS0885 COMPLEMENT CONSUMPTION PATTERNS AS AN EARLY PREDICTOR OF SYSTEMIC SJÖGREN DISEASE: GENERATIVE ARTIFICIAL INTELLIGENCE-ASSISTED ANALYSIS USING STRATIFIED CROSS-VALIDATION GENERALIZABILITY MODELS
Annals of the Rheumatic Diseases·2025Open Access
POS0762 REDEFINING BASDAI CUT-OFFS: IMPLICATIONS FOR BIOLOGIC DISEASE-MODIFYING ANTIRHEUMATIC DRUG ELIGIBILITY IN AXIAL SPONDYLOARTHRITIS
Annals of the Rheumatic Diseases·2025Open Access
ABS1206-HPR PERSPECTIVES OF HEALTHCARE STUDENTS ON QUALITY OF LIFE FACTORS IN CHRONIC DISEASE MANAGEMENT: A QUALITATIVE ANALYSIS
Annals of the Rheumatic Diseases·2025Open Access
POS1154 IMPACT OF PRIOR TNF INHIBITOR TREATMENT ON THE TIME TO ACHIEVE LOW DISEASE ACTIVITY AND THE DURATION OF LOW DISEASE ACTIVITY IN 17,858 EUROPEAN PATIENTS WITH AXIAL SPONDYLOARTHRITIS INITIATING A TNF INHIBITOR OR AN IL-17A INHIBITOR
Annals of the Rheumatic Diseases·2025Open Access
POS0827 AUTOANTIBODY-COMBINED SIGNATURES DELINEATING IMMUNOLOGIC CLUSTERS RELATED TO HIGH SYSTEMIC ACTIVITY IN PATIENTS WITH SJÖGREN DISEASE
Annals of the Rheumatic Diseases·2025Open Access
POS0825 SEX DISPARITIES IN THE PHENOTYPE AT DIAGNOSIS OF SJÖGREN DISEASE: A GENERATIVE AI-DRIVEN CHARACTERIZATION IN 17,416 PATIENTS
Annals of the Rheumatic Diseases·2025Open Access
ABS1150 SEX-BASED DIFFERENCES IN PREDICTORS OF SECUKINUMAB EFFECTIVENESS IN EUROPEAN ROUTINE CARE PATIENTS WITH PSORIATIC ARTHRITIS: RESULTS FROM THE EuroSpA COLLABORATION
Annals of the Rheumatic Diseases·2025Open Access
POS0049 PROTEOME ANALYSIS OF MINOR SALIVARY GLANDS REVEALS SUBGROUPS OF PATIENTS WITH DISTINCT CLINICAL PHENOTYPES IN SJÖGREN'S DISEASE
Annals of the Rheumatic Diseases·2025Open Access
POS1378 DECREASED SERUM CAPACITY FOR NEUTRALISATION OF IL-6 SIGNALLING IN PATIENTS WITH IDIOPATHIC INFLAMMATORY MYOPATHIES
Annals of the Rheumatic Diseases·2025Open Access
Handling of missing component information for common composite score outcomes used in axial spondyloarthritis research when complete-case analysis is unbiased
BMC Medical Research Methodology·2025Open Access
Predictors of Secukinumab Treatment Response and Continuation in Axial Spondyloarthritis: Results From the EuroSpA Research Collaboration Network
The Journal of Rheumatology·2025· 3 citedOpen Access
Challenge of missing data in observational studies: investigating cross-sectional imputation methods for assessing disease activity in axial spondyloarthritis
RMD Open·2025· 1 citedOpen Access
Four-year secukinumab treatment outcomes in European real-world patients with axial spondyloarthritis and psoriatic arthritis
Joint Bone Spine·2024· 3 citedOpen Access
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Frequent Co-authors

Žiga Rotar(21), Florenzo Iannone(16), Matija Tomšič(15), Merete Lund Hetland(13), Lykke Midtbøll Ørnbjerg(13), Brigitte Michelsen(12), Jakub Závada(12), Mikkel Østergaard(11), Bente Glintborg(10), Anne Gitte Loft(10), Saša Čučnik(9), Alojzija Hočevar(9), Sonja Praprotnik(9), Francesco Del Galdo(9), Tore K Kvien(9), Johan K. Wallman(9), Snežna Sodin‐Šemrl(8), Simona Rednic(8), Oliver Distler(8), Yannick Allanore(8)