Change in CRP.
To demonstrate the efficacy of anakinra compared to placebo in reducing inflammation in Still's disease.
Change in ferritin.
To demonstrate the efficacy of anakinra compared to placebo in reducing inflammation in Still's disease.
Change in haemoglobin.
To demonstrate the efficacy of anakinra compared to placebo in reducing inflammation in Still's disease.
Change in platelets count.
To demonstrate the efficacy of anakinra compared to placebo in reducing inflammation in Still's disease.
Change in white blood cells count.
To demonstrate the efficacy of anakinra compared to placebo in reducing inflammation in Still's disease.
Absence of fever during the 24 hours preceding the evaluation visit at Week 1.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Absence of rash during the 24 hours preceding the evaluation visit at Week 1.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
ACR30 response with absence of fever during the 24 hours preceding the evaluation visit at Week 1.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
ACR50 response with absence of fever during the 24 hours preceding the evaluation visit at Week 1.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
ACR70 response with absence of fever during the 24 hours preceding the evaluation visit at Week 1.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in physician global assessment of disease activity, measured on a VAS from no pain (0 mm) to very severe (100 mm).
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in patient/parent global assessment of overall well-being, measured on a VAS from no pain (0 mm) to very severe (100 mm).
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in patient/parent global assessment of disease related pain, measured on a VAS from no pain (0 mm) to very severe (100 mm).
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in swelling joints count.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in tender joints count.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in CRP.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in ferritin.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in haemoglobin.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in platelets count.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in white blood cells count.
To demonstrate early onset of efficacy of anakinra compared to placebo in Still's disease.
Change in the number/proportion of patients reporting problems by dimension of EQ-5D-Y Proxy (4-7 years).
To evaluate and compare the health status between anakinra treated patients and patients treated with placebo.
Change in the number/proportion of patients reporting problems by dimension of EQ-5D-Y (8-15 years).
To evaluate and compare the health status between anakinra treated patients and patients treated with placebo.
Change in the number/proportion of patients reporting problems by dimension of EQ-5D-3L (≥ 16 years).
To evaluate and compare the health status between anakinra treated patients and patients treated with placebo.
Absence of fever during the 7 days preceding the visit.
To evaluate efficacy of anakinra in Still's disease.
Absence of rash during the 7 days preceding the visit.
To evaluate efficacy of anakinra in Still's disease.
ACR30 response with absence of fever during the 7 days preceding the visit.
To evaluate efficacy of anakinra in Still's disease.
ACR50 response with absence of fever during the 7 days preceding the visit.
To evaluate efficacy of anakinra in Still's disease.
ACR70 response with absence of fever during the 7 days preceding the visit.
To evaluate efficacy of anakinra in Still's disease.
ACR90 response with absence of fever during the 7 days preceding the visit.
To evaluate efficacy of anakinra in Still's disease.
Change in physician global assessment of disease activity (VAS).
To evaluate efficacy of anakinra in Still's disease.
Change in patient/parent global assessment of overall well-being (VAS).
To evaluate efficacy of anakinra in Still's disease.
Change in patient/parent global assessment of disease related pain (VAS).
To evaluate efficacy of anakinra in Still's disease.
Change in swelling joints count.
To evaluate efficacy of anakinra in Still's disease.
Change in tender joints count.
To evaluate efficacy of anakinra in Still's disease.
Change in CRP.
To evaluate efficacy of anakinra in Still's disease.
Change in ferritin.
To evaluate efficacy of anakinra in Still's disease.
Change in haemoglobin.
To evaluate efficacy of anakinra in Still's disease.
Change in platelets count.
To evaluate efficacy of anakinra in Still's disease.
Change in white blood cells count.
To evaluate efficacy of anakinra in Still's disease.
Occurrence of inactive disease.
Proportion of patients who reach inactive disease.Inactive disease is defined as no joints with active arthritis, no fever, no rash, serositis, no hepatosplenomegaly, no generalized lymphadenopathy attributable to Still's disease, CRP level within normal limits, physician's global assessment of disease activity score below 10 mm on a 100 mm VAS, and a documented morning stiffness ≤15 min.
Change in the number/proportion of patients reporting problems by dimension of EQ-5D-Y Proxy (4-7 years).
To evaluate the health status in anakinra treated patients with Still's disease.
Change in the number/proportion of patients reporting problems by dimension of EQ-5D-Y (8-15 years).
To evaluate the health status in anakinra treated patients with Still's disease.
Change in the number/proportion of patients reporting problems by dimension of EQ-5D-3L(≥ 16 years).
To evaluate the health status in anakinra treated patients with Still's disease.
ACR30 response with absence of fever during the 7 days preceding the study visits over time.
To evaluate sustained efficacy of anakinra in patients responding to study drug.
To evaluate the occurrence of study drug discontinuation in anakinra treated patients with Still's disease.
Time to study drug discontinuation due to lack of efficacy or progressive disease.
Time to study drug discontinuation due to any reason.
Number of patients discontinuing study treatment.
Time of initiation of glucocorticoids tapering.
To evaluate glucocorticoids tapering in anakinra treated patients with Still's disease.
Percentage decrease of glucocorticoids dose for patients tapering their glucocorticoids dose.
To evaluate glucocorticoids tapering in anakinra treated patients with Still's disease.
Discontinuation of glucocorticoids.
To evaluate glucocorticoids tapering in anakinra treated patients with Still's disease.
- Occurrence of adverse events (AEs) (serious adverse events [SAEs] and non-SAEs).
To evaluate the safety of anakinra in patients with Still ́s disease.
Occurrence of deaths
To evaluate the safety of anakinra in patients with Still ́s disease.
Occurrence of AEs leading to study drug discontinuation at all study visits.
To evaluate the safety of anakinra in patients with Still ́s disease.
Occurrence of vital signs changes from baseline, including blood pressure, heart rate, and body weight at all study visits up to Week 58 visit. Changes of height in patients younger than 19 years old.
To evaluate the safety of anakinra in patients with Still ́s disease.
Occurrence of laboratory safety assessments changes over time.
To evaluate the safety of anakinra in patients with Still ́s disease.
Occurrence of abnormal laboratory values.
To evaluate the safety of anakinra in patients with Still ́s disease.
To evaluate immunogenicity of anakinra in patients with Still's disease.
Occurrence of ADAs, NAbs, cross-reactivity, and titer levels of ADAs and NAbs
Occurrence and titer levels of ADAs in relation to AEs
Occurrence and titer levels of ADAs, NAbs cross-reactivityin relation to ACR30 response and CRP levels
To evaluate the pharmacokinetic of anakinra in patients with Still's disease
Anakinra serum concentrations