Longterm Safety and Effectiveness of the Anti-interleukin 6 Receptor Monoclonal Antibody Tocilizumab in Patients with Systemic Juvenile Idiopathic Arthritis in Japan
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: To assess the longterm safety and effectiveness of tocilizumab (TCZ) in systemic-onset juvenile idiopathic arthritis (sJIA). METHODS: The longterm extension phase of 2 pivotal studies (phase II with 11 patients and phase III with 56 patients) in patients with active sJIA was analyzed. Patients received open-label TCZ (8 mg/kg, every 2 weeks) without concomitant use of disease-modifying antirheumatic drugs. RESULTS: In total, 67 patients were enrolled. All patients received corticosteroid at baseline. Median duration of exposure to TCZ was 3.4 years. Nine patients withdrew from the study [4 because of adverse events (AE), 4 because of the development of anti-TCZ antibodies, and 1 because of inadequate response]. Rates of AE and serious AE were 803.7/100 patient-years (PY) and 34.7/100 PY, respectively. The most common serious AE were infections (13.2/100 PY). No cases of malignancy or death were reported. Two serious infusion reactions were reported in patients testing negative for anti-TCZ antibodies. One definite macrophage activation syndrome (MAS) case and 1 potential MAS case were identified. American College of Rheumatology (ACR) response rates attained early in the TCZ treatment period were maintained throughout the study: at Week 168, JIA ACR 30, 50, 70, 90, and 100 response rates were 80.3%, 80.3%, 75.4%, 60.7%, and 18.0%, respectively. In total, 22 of 67 patients (32.8%) completely discontinued corticosteroids without flare. CONCLUSION: TCZ has demonstrated durability of effectiveness in the longterm treatment of children with sJIA and has shown good tolerability and a low discontinuation rate associated with AE, development of anti-TCZ antibodies, or inadequate response. (ClinicalTrials.gov NCT00144599 and NCT00144612). (First Release March 15 2014; J Rheumatol 2014;41:759-67; doi:10.3899/jrheum.130690).
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it