Arthritis in Children - 2001 National Meeting (cont.)
JRA can be associated with a severe inflammation of the eye, called uveitis. Uveitis is the most common cause of blindness in these children.
With proper treatment, most children with arthritis usually get better over time.
Remicade (infliximab) is an antibody that blocks the effects of tumor necrosis factor alpha (TNF-alpha). TNF-alpha is a substance made by cells of the body that has an important role in promoting inflammation. By blocking the action of TNF-alpha, infliximab reduces the signs and symptoms of inflammation. Remicade, an approved treatment for adult rheumatoid arthritis, is given by intravenous infusion every 2 months.
Remicade was reported in this meeting as effective for treating JRA, thereby resulting in a significant and prompt reduction in disease activity and improved quality of life. Another paper presented data demonstrating that doses of Remicade that are higher than currently recommended doses could be effective and necessary in JRA.
Dr. Shiel's Perspective: This does not surprise me, since it is the same situation for adults with rheumatoid arthritis who are being treated in my practice.
Remicade was reported as a successful treatment for a child with dermatomyositis, a severe disease with inflamed muscles.
Dr. Shiel's Perspective: This was only a single case report, but it was an impressive one. The patient, an 18 year old boy, had had dermatomyositis since age 11 years. He was becoming more and more seriously ill despite powerful treatments with cyclophosphamide (Cytoxan), methotrexate, intravenous immunoglobulin, plasmapheresis, and steroids. He was unable to move out of bed. After starting Remicade intravenous infusions, he gradually became stronger, his muscle enzyme tests normalized after being elevated in the thousands, and he eventually walked again. Remicade's action in blocking TNF-alpha is probably the reason he improved. Dermatomyositis has been associated with elevated levels of TNF alpha in the blood.
Enbrel is an injectable anti-tumor necrosis factor for treating rheumatoid arthritis. Tumor necrosis factor (TNF) is a protein that the body produces during the inflammatory response, which is the body's reaction to injury. TNF promotes the inflammation and its associated fever and signs (pain, tenderness, and swelling) in several inflammatory conditions, including psoriatic arthritis and ankylosing spondylitis. Enbrel is a synthetic (man-made) protein that binds to TNF. Enbrel thereby acts like a sponge to remove most of the TNF molecules from the joints and blood. This prevents TNF from promoting inflammation and the fever, pain, and tenderness and swelling of joints in patients with psoriatic arthritis and ankylosing spondylitis. Enbrel is indicated for severely active, polyarticular-course JRA in patients who have had an inadequate response to one or more disease-modifying medicine(s). Enbrel is also used for adults with rheumatoid arthritis. Enbrel is injected into the skin twice weekly.
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