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難治性眼底病変を有するベーチェット病患者6例11眼に,FK506を初期投与量0.05〜0.2mg/kg/day,1日2回,平均4か月間投与し,検討した。
1.眼発作の改善・眼スコアの改善は6例中5例,視力の改善は11眼中7眼にみられた。
2.眼外症状は半数に改善を認めた。
3.白血球数血清免疫グロブリン値,T細胞・B細胞(%)に明らかな変化を認めなかった。
4.副作用は腎機能障害,耐糖能異常が各1例,その他熱感,発疹などがみられた。
5.投与中に外眼筋麻痺,腸管ベーチェットが各1例みられたが,FK506との関係は明らかではない。
以上,FK506はベーチェット病の難治性眼底病変に対する治療薬として期待される薬剤と思われた。
We treated 6 patients of Behçet's disease with peroral FK506, a macrolide immunosuppressant isolated from Streptomyces tsukubaensis. Severe ocular manifestations of the disease were present in 11 eyes. We started with the initial daily dose of 0.05 to 0.2 mg/kg, to be continued for 2 to 7 months, average 4 months. The treatment was effective in suppressing ocular attacks in 5 cases. Visual acuityimproved in 7 eyes. Extraocular manifestations improved in 3 cases. One case developed renal dysfunction. Another case showed impaired glucose tolerance. Minor side effects included sensation of warmth and eruptions. One case developed external ophthalmoplegia and enteric signs of the disease, apparently independent of the treatment. Above findings seemed to suggest the value of FK506 in suppressing severe ocular manifestations of Behçet's disease. Further clarification of side effects is necessary to recommend this agent as a standard treatment of the disease.
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