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Pharmacovigilance in juvenile idiopathic arthritis patients (Pharmachild) treated with biologic agents and/or methotrexate. Consolidated baseline characteristics from Pharmachild and other national registries

Introduction

The availability of methotrexate (MTX) and biological agents has provided a major change in the treatment of children with juvenile idiopathic arthritis (JIA). An international registry named Pharmachild (European Union grant 260353) has been set up by the Pediatric Rheumatology International Trials Organisation (PRINTO)/Pediatric Rheumatology European Society (PRES). In parallel several national registries with the same purpose have been set up in different European Countries for the follow-up of these patients.

Objectives

To evaluate the possibility to combine data coming from different national registries in order to assess the long-term safety.

Methods

We merged into a unified database the baseline demographic data of JIA patients treated with MTX or biologicals coming from the Pharmachild registry and from the national registries of Germany, United Kindgom and Portugal. Data are presented as frequencies (%) or medians with 1st and 3rd quartiles.

Results

About 63% of the patients has been treated with biologicals alone or in combination with MTX, and 29% only with MTX. The events of special interest (ESI) ranged from 4.5 to 15.0% and the other moderate/severe/serious adverse events (AE) from 13.1% to 69.9%. Table 1.

Table 1

Conclusion

Combination of information from different data sources is a recommended task and will provide a powerful tool for the future analysis of safety events coming from different registries.

Disclosure of interest

None declared.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Swart, J., Consolaro, A., Horneff, G. et al. Pharmacovigilance in juvenile idiopathic arthritis patients (Pharmachild) treated with biologic agents and/or methotrexate. Consolidated baseline characteristics from Pharmachild and other national registries. Pediatr Rheumatol 12 (Suppl 1), P7 (2014). https://doi.org/10.1186/1546-0096-12-S1-P7

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  • DOI: https://doi.org/10.1186/1546-0096-12-S1-P7

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