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Disease activity measures in paediatric rheumatic diseases
Nadia J Luca1, Brian M Feldman
1Division of Rheumatology, Department of Paediatrics, University of Toronto and The Hospital for Sick Children, 555 University Avenue, Toronto, ON, Canada M5G 1X8.
Insights
Measuring disease activity in pediatric rheumatic diseases is crucial for patient care and research. Developing accurate and interpretable measures presents challenges but is essential for effective treatment.
Area of Science:
- Rheumatology
- Pediatrics
- Clinical Research
Background:
- Disease activity in pediatric rheumatic diseases requires careful measurement for effective patient care and research.
- Systematic development of disease activity measures, often via consensus, is key to their utility.
- Measures must be feasible, valid, and interpretable to be clinically useful.
Purpose of the Study:
- To review the importance and challenges of measuring disease activity in pediatric rheumatic diseases.
- To highlight existing core sets and response definitions for specific conditions.
- To identify areas for future development in disease activity assessment.
Main Methods:
- Systematic review of existing literature and consensus-based approaches.
- Analysis of challenges in quantifying disease activity in pediatric rheumatology.
- Examination of defined core sets and response variables for specific diseases.
Main Results:
- Core sets and improvement definitions exist for juvenile idiopathic arthritis, juvenile systemic lupus erythematosus, and juvenile dermatomyositis.
- Several specific absolute disease activity measures are available for these conditions.
- Challenges include multidimensionality, treatment context, lack of a gold standard, and patient perspective integration.
Conclusions:
- Accurate measurement of disease activity is vital in pediatric rheumatology.
- Despite existing measures, challenges remain in comprehensive assessment.
- Further research is needed to optimize disease activity measures for pediatric rheumatic conditions.
Abstract:
Disease activity refers to potentially reversible aspects of a disease. Measurement of disease activity in paediatric rheumatic diseases is a critical component of patient care and clinical research. Disease activity measures are developed systematically, often involving consensus methods. To be useful, a disease activity measure must be feasible, valid, and interpretable. There are several challenges in quantifying disease activity in paediatric rheumatology; namely, the conditions are multidimensional, the level of activity must be valuated in the context of treatment being received, there is no gold standard for disease activity, and it is often difficult to incorporate the patient's perspective of their disease activity. To date, core sets of response variables are defined for juvenile idiopathic arthritis, juvenile systemic lupus erythematosus, and juvenile dermatomyositis, as well as definitions for improvement in response to therapy. Several specific absolute disease activity measures also exist for each condition. Further work is required to determine the optimal disease activity measures in paediatric rheumatology.
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