Active Ingredient: Etanercept
Treatment of polyarthritis (rheumatoid factor positive or negative) and extended oligoarthritis in children and adolescents from the age of 2 years who have had an inadequate response to, or who have proved intolerant of, methotrexate.
Treatment of psoriatic arthritis in adolescents from the age of 12 years who have had an inadequate response to, or who have proved intolerant of, methotrexate.
Treatment of enthesitis-related arthritis in adolescents from the age of 12 years who have had an inadequate response to, or who have proved intolerant of, conventional therapy.
Etanercept has not been studied in children aged less than 2 years.
For this indication, competent medicine agencies globally authorize below treatments:
For:
Regimen A: Subcutaneous, 0.4 milligrams etanercept per kilogram of body weight, 2 times weekly.
Regimen B: Subcutaneous, 0.8 milligrams etanercept per kilogram of body weight, once weekly.
The recommended dose is 0.4 mg/kg (up to a maximum of 25 mg per dose), given twice weekly as a subcutaneous injection with an interval of 3-4 days between doses or 0.8 mg/kg (up to a maximum of 50 mg per dose) given once weekly. Discontinuation of treatment should be considered in patients who show no response after 4 months.
No formal clinical trials have been conducted in children aged 2 to 3 years. However, limited safety data from a patient registry suggest that the safety profile in children from 2 to 3 years of age is similar to that seen in adults and children aged 4 years and older, when dosed every week with 0.8 mg/kg subcutaneously.
There is generally no applicable use of etanercept in children aged below 2 years in the indication juvenile idiopathic arthritis.
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