Butbul Aviel Y, Tyrrell P, Schneider R, Dhillon S, Feldman BM, Laxer R, et al. Juvenile Psoriatic Arthritis (JPsA): juvenile arthritis with psoriasis? Pediatr Rheumatol Online J. 2013;11(1):11.

Article  PubMed  PubMed Central  Google Scholar 

Stoll ML, Nigrovic PA. Subpopulations within juvenile psoriatic arthritis: a review of the literature. Clin Dev Immunol. 2006;13(2–4):377–80.

Article  CAS  PubMed  PubMed Central  Google Scholar 

Brandon TG, Manos CK, Xiao R, Ogdie A, Weiss PF. Pediatric psoriatic arthritis: a population-based cohort study of risk factors for onset and subsequent risk of inflammatory comorbidities. J Psoriasis Psoriatic Arthritis. 2018;3(4):131–6.

Article  PubMed  PubMed Central  Google Scholar 

Stoll ML, Punaro M. Psoriatic juvenile idiopathic arthritis: a tale of two subgroups. Curr Opin Rheumatol. 2011;23(5):437–43.

Article  PubMed  Google Scholar 

Salek SS, Pradeep A, Guly C, Ramanan AV, Rosenbaum JT. Uveitis and juvenile psoriatic arthritis or psoriasis. Am J Ophthalmol. 2018;185:68–74.

Article  PubMed  Google Scholar 

Brunello F, Tirelli F, Pegoraro L, Dell’Apa F, Alfisi A, Calzamatta G, et al. New insights on juvenile psoriatic arthritis. Front Pediatr. 2022;10: 884727.

Article  PubMed  PubMed Central  Google Scholar 

Zisman D, Gladman DD, Stoll ML, Strand V, Lavi I, Hsu JJ, et al. The juvenile psoriatic arthritis cohort in the CARRA Registry: clinical characteristics, classification, and outcomes. J Rheumatol. 2017;44(3):342–51.

Article  PubMed  Google Scholar 

Stoll ML, Lio P, Sundel RP, Nigrovic PA. Comparison of Vancouver and International League of Associations for rheumatology classification criteria for juvenile psoriatic arthritis. Arthritis Rheum. 2008;59(1):51–8.

Article  PubMed  Google Scholar 

Consolaro A, Ravelli A. Unraveling the phenotypic variability of juvenile idiopathic arthritis across races or geographic areas: key to understanding etiology and genetic factors? J Rheumatol. 2016;43(4):683–5.

Article  PubMed  Google Scholar 

Consolaro A, Giancane G, Alongi A, van Dijkhuizen EHP, Aggarwal A, Al-Mayouf SM, et al. Phenotypic variability and disparities in treatment and outcomes of childhood arthritis throughout the world: an observational cohort study. Lancet Child Adolesc Health. 2019;3(4):255–63.

Article  PubMed  Google Scholar 

Ciurtin C, Roussou E. Cross-sectional study assessing family members of psoriatic arthritis patients affected by the same disease: differences between Caucasian, South Asian and Afro-Caribbean populations living in the same geographic region. Int J Rheum Dis. 2013;16(4):418–24.

Article  PubMed  Google Scholar 

Manos CK, Xiao R, Brandon TG, Burnham JM, Zemel BS, Weiss PF. Obesity and pediatric psoriatic arthritis. Ann Paediatr Rheumatol. 2017;6(2):34–40.

PubMed  PubMed Central  Google Scholar 

Samad A, Stoll ML, Lavi I, Hsu JJ, Strand V, Robinson TN, et al. Adiposity in juvenile psoriatic arthritis. J Rheumatol. 2018;45(3):411–8.

Article  CAS  PubMed  Google Scholar 

Flato B, Lien G, Smerdel-Ramoya A, Vinje O. Juvenile psoriatic arthritis: longterm outcome and differentiation from other subtypes of juvenile idiopathic arthritis. J Rheumatol. 2009;36(3):642–50.

Article  PubMed  Google Scholar 

Sengler C, Klotsche J, Niewerth M, Liedmann I, Foll D, Heiligenhaus A, et al. The majority of newly diagnosed patients with juvenile idiopathic arthritis reach an inactive disease state within the first year of specialised care: data from a German inception cohort. RMD Open. 2015;1(1): e000074.

Article  PubMed  PubMed Central  Google Scholar 

Glerup M, Rypdal V, Arnstad ED, Ekelund M, Peltoniemi S, Aalto K, et al. Long-term outcomes in juvenile idiopathic arthritis: eighteen years of follow-up in the population-based Nordic juvenile idiopathic arthritis cohort. Arthritis Care Res (Hoboken). 2020;72(4):507–16.

Article  PubMed  Google Scholar 

Krumrey-Langkammerer M, Hafner R. Evaluation of the ILAR criteria for juvenile idiopathic arthritis. J Rheumatol. 2001;28(11):2544–7.

CAS  PubMed  Google Scholar 

Petty RE, Southwood TR, Manners P, Baum J, Glass DN, Goldenberg J, et al. International League of Associations for Rheumatology classification of juvenile idiopathic arthritis: second revision, Edmonton, 2001. J Rheumatol. 2004;31(2):390–2.

PubMed  Google Scholar 

Zlatkovic-Svenda MI, Kerimovic-Morina D, Stojanovic RM. Psoriatic arthritis criteria evaluation: CASPAR and Modified CASPAR. Clin Exp Rheumatol. 2011;29(5):899–900.

PubMed  Google Scholar 

Martini A, Ravelli A, Avcin T, Beresford MW, Burgos-Vargas R, Cuttica R, et al. Toward new classification criteria for juvenile idiopathic arthritis: first steps, Pediatric Rheumatology International Trials Organization International Consensus. J Rheumatol. 2019;46(2):190–7.

Article  PubMed  Google Scholar 

Tillett W, Costa L, Jadon D, Wallis D, Cavill C, McHugh J, et al. The ClASsification for Psoriatic ARthritis (CASPAR) criteria—a retrospective feasibility, sensitivity, and specificity study. J Rheumatol. 2012;39(1):154–6.

Article  PubMed  Google Scholar 

Thomson W, Barrett JH, Donn R, Pepper L, Kennedy LJ, Ollier WE, et al. Juvenile idiopathic arthritis classified by the ILAR criteria: HLA associations in UK patients. Rheumatology (Oxford). 2002;41(10):1183–9.

Article  CAS  PubMed  Google Scholar 

Hinks A, Bowes J, Cobb J, Ainsworth HC, Marion MC, Comeau ME, et al. Fine-mapping the MHC locus in juvenile idiopathic arthritis (JIA) reveals genetic heterogeneity corresponding to distinct adult inflammatory arthritic diseases. Ann Rheum Dis. 2017;76(4):765–72.

Article  CAS  PubMed  Google Scholar 

Wang Z, Han Y, Zhang Z, Jia C, Zhao Q, Song W, et al. Identification of genes and signaling pathways associated with the pathogenesis of juvenile spondyloarthritis. Mol Med Rep. 2018;18(2):1263–70.

CAS  PubMed  PubMed Central  Google Scholar 

Fisher C, Ciurtin C, Leandro M, Sen D, Wedderburn LR. Similarities and differences between juvenile and adult spondyloarthropathies. Front Med (Lausanne). 2021;8: 681621.

Article  PubMed  Google Scholar 

Benham H, Norris P, Goodall J, Wechalekar MD, FitzGerald O, Szentpetery A, et al. Th17 and Th22 cells in psoriatic arthritis and psoriasis. Arthritis Res Ther. 2013;15(5):R136.

Article  PubMed  PubMed Central  Google Scholar 

Penkava F, Velasco-Herrera MDC, Young MD, Yager N, Nwosu LN, Pratt AG, et al. Single-cell sequencing reveals clonal expansions of pro-inflammatory synovial CD8 T cells expressing tissue-homing receptors in psoriatic arthritis. Nat Commun. 2020;11(1):4767.

Article  ADS  CAS  PubMed  PubMed Central  Google Scholar 

Gaur P, Myles A, Misra R, Aggarwal A. Intermediate monocytes are increased in enthesitis-related arthritis, a category of juvenile idiopathic arthritis. Clin Exp Immunol. 2017;187(2):234–41.

Article  CAS  PubMed  Google Scholar 

Choida V, Hall-Craggs M, Jebson BR, Fisher C, Leandro M, Wedderburn LR, et al. Biomarkers of response to biologic therapy in juvenile idiopathic arthritis. Front Pharmacol. 2020;11: 635823.

Article  CAS  PubMed  Google Scholar 

Dhake P, Shinde SB. Physiotherapy in psoriatic arthritis: a systematic review. DY Patil J Health Sci. 2022;10(1):27–32.

Google Scholar 

Tillett W, Allen A, Tucker L, Chandler D, Ciurtin C, Davis C, et al. Treatment of psoriatic arthritis with biologic and targeted synthetic DMARDs: British Society for Rheumatology guideline scope. Rheumatology (Oxford). 2021;60(4):1588–92.

Article  PubMed  Google Scholar 

Tucker L, Allen A, Chandler D, Ciurtin C, Dick A, Foulkes A, et al. The 2022 British Society for Rheumatology guideline for the treatment of psoriatic arthritis with biologic and targeted synthetic DMARDs. Rheumatology (Oxford). 2022;61(9):e255–66.

Article  PubMed  Google Scholar 

Coates LC, Soriano ER, Corp N, Bertheussen H, Callis Duffin K, Campanholo CB, et al. Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA): updated treatment recommendations for psoriatic arthritis 2021. Nat Rev Rheumatol. 2022;18(8):465–79.

Article  PubMed  PubMed Central  Google Scholar 

Gossec L, Baraliakos X, Kerschbaumer A, de Wit M, McInnes I, Dougados M, et al. EULAR recommendations for the management of psoriatic arthritis with pharmacological therapies: 2019 update. Ann Rheum Dis. 2020;79(6):700–12.

Article  PubMed  Google Scholar 

Singh JA, Guyatt G, Ogdie A, Gladman DD, Deal C, Deodhar A, et al. Special article: 2018 American College of Rheumatology/National Psoriasis Foundation guideline for the treatment of psoriatic arthritis. Arthritis Care Res (Hoboken). 2019;71(1):2–29.

Article  PubMed  Google Scholar 

Ringold S, Angeles-Han ST, Beukelman T, Lovell D, Cuello CA, Becker ML, et al. 2019 American College of Rheumatology/Arthritis Foundation guideline for the treatment of juvenile idiopathic arthritis: therapeutic approaches for non-systemic polyarthritis, sacroiliitis, and enthesitis. Arthritis Rheumatol. 2019;71(6):846–63.

Article  PubMed  PubMed Central  Google Scholar 

Yue X, Huang B, Hincapie AL, Wigle PR, Qiu T, Li Y, et al. Prescribing patterns and impact of factors associated with time to initial biologic therapy among children with non-systemic juvenile idiopathic arthritis. Paediatr Drugs. 2021;23(2):171–82.

Article  PubMed  Google Scholar 

Low JM, Hyrich KL, Ciurtin C, McErlane F, Wedderburn LR, Investigators CP. The impact of psoriasis on wellbeing and clinical outcomes in juvenile psoriatic arthritis. Rheumatology (Oxford). 2023.

Elyoussfi S, Thomas BJ, Ciurtin C. Tailored treatment options for patients with psoriatic arthritis and psoriasis: review of established and new biologic and small molecule therapies. Rheumatol Int. 2016;36(5):603–12.