Reference | Design | Country of origin | N | Inclusion criteria | Outcomea | Follow up |
---|---|---|---|---|---|---|
[18]b | Prospective | The Netherlands | 113 | JIA, starting MTX | 1k, 2a, 2d, 2f | 1 y |
[19] | Prospective | UK | 87 | JIA, starting MTX | 1b, 1j | 6 mo |
[17]c | Retrospective and prospective | The Netherlands | 287 | JIA, starting MTX | 1c | 1 y |
[10] | Retrospective | Germany | 411 | JIA, starting MTX | 1a, 1b, 1c, 2i | 1 y |
[16] (deriv) | Retrospective | The Netherlands | 183 | JIA, starting MTX | 1e | 1 y |
[16] (rep) | Prospective | The Netherlands | 104 | JIA, starting MTX | 1e | 1 y |
[23] (deriv)d | Prospective | UK | 197 | JIA, starting MTX | 1d | 6 mo |
[23] (rep)d | Unknown | USA | 210 | JIA, starting MTX | 1g | 6 mo |
[31] | Cross-sectional | Japan | 92 | JIA, at least 3 mo MTX | 2e | Mean 58.2 moe |
[24] (deriv)d | Prospective | UK | 197 | JIA, starting MTX | 1d | 6 mo |
[24] (rep)d | Unknown | USA | 210 | JIA, starting MTX | 1g | 6 mo |
[20] | Cross-sectional | Czech Republic | 69 | JIA, at least 3 mo MTX | 1i, 2d, 2f, 2g, 2h | Median 1.3-1.4 ye |
[28]f | Prospective | Multinational (PRINTO) | 563 | RF negative polyarticular course JIA, starting MTX | 1a, 1c | 6 mo |
[26] | Prospective | Italy | 60 | JIA, ≥2 active joints in oligo persistent, ≥5 active joints in other categories | 1b | 1 y |
[27]f | Prospective | Multinational (PRINTO) | 521 | RF negative polyarticular course JIA, starting MTX | 1l | 6 mo |
[25] | Retrospective | Italy | 125 | Polyarticular JIA, starting MTX | 1f, 1i | 6 mo, 5 y |
[32] | Retrospective | Germany | 58 | JIA, at least 3 mo MTX | 2d, 2i | Mean 48Â months |
[21] | Retrospective | Italy | 80 | JIA, at least 6 mo MTX | 1a, 2c, 2g | Efficacy: 6 mo |
Toxicity: median 6–9 mo | ||||||
[29] | Retrospective | USA | 49 | JRA, starting MTX | 1h | Mean 2.6 y (range 1.0-7.3 y) |
[34]b | Prospective | The Netherlands | 152 | JIA, starting MTX | 2b | 1 y |
[22] | Retrospective and prospective | Czech Republic, UK, The Netherlands | 694 | JIA, starting MTX | 1f | 6 mo |