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Juvenile idiopathic arthritis: from aetiopathogenesis to therapeutic approaches
Lina N Zaripova1, Angela Midgley2, Stephen E Christmas3
1Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK.
Insights
Juvenile idiopathic arthritis (JIA) is a complex paediatric inflammatory disease. Advances in understanding its pathogenesis and treatments offer improved outcomes, but further research is needed for non-responsive patients.
Area of Science:
- Pediatric Rheumatology
- Immunology
- Inflammatory Diseases
Background:
- Juvenile idiopathic arthritis (JIA) is the most common rheumatological condition in children.
- JIA encompasses diverse subtypes based on clinical and serological criteria.
Purpose of the Study:
- To review advances in JIA pathogenesis, including etiology, histopathology, and immunology.
- To discuss current and emerging therapeutic strategies for JIA management.
Main Methods:
- Literature review of JIA pathogenesis and treatment options.
- Analysis of immunological changes associated with disease activity.
- Evaluation of non-biologic and biologic disease-modifying anti-rheumatic drugs (DMARDs).
Main Results:
- Significant progress in understanding JIA as a group of inflammatory diseases.
- Improved clinical outcomes with advanced therapeutics, including biologics.
- A subset of patients shows limited response to current treatments.
Conclusions:
- Enhanced understanding of JIA pathogenesis is crucial for targeted therapies.
- Further research is required to optimize treatment stratification and improve outcomes for all JIA patients.
- Personalized treatment approaches are essential for managing JIA effectively.
Abstract:
Juvenile idiopathic arthritis (JIA) is the most common paediatric rheumatological disorder and is classified by subtype according to International League of Associations for Rheumatology criteria. Depending on the number of joints affected, presence of extra-articular manifestations, systemic symptoms, serology and genetic factors, JIA is divided into oligoarticular, polyarticular, systemic, psoriatic, enthesitis-related and undifferentiated arthritis. This review provides an overview of advances in understanding of JIA pathogenesis focusing on aetiology, histopathology, immunological changes associated with disease activity, and best treatment options. Greater understanding of JIA as a collective of complex inflammatory diseases is discussed within the context of therapeutic interventions, including traditional non-biologic and up-to-date biologic disease-modifying anti-rheumatic drugs. Whilst the advent of advanced therapeutics has improved clinical outcomes, a considerable number of patients remain unresponsive to treatment, emphasising the need for further understanding of disease progression and remission to support stratification of patients to treatment pathways.
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