デフェロキサミン

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Warning

• 危険有害性情報

  H317：アレルギー性皮膚反応を起こすおそれ

• 注意書き

  P261：粉じん/煙/ガス/ミスト/蒸気/スプレーの吸入を避ける こと。

  P272：汚染された作業衣は作業場から出さないこと。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  P321：特別な処置が必要である（このラベルの．．． を見よ）。

  P333+P313：皮膚刺激または発疹が生じた場合：医師の診断/手当てを 受けること。

  P363：汚染された衣類を再使用す場合には洗濯をすること。

  P501：内容物/容器を．．．に廃棄すること。

デフェロキサミン 化学特性,用途語,生産方法

• 効能

  解毒薬 (鉄過剰蓄積), キレート剤

• 説明

  Deferoxamine was introduced in the 1960s for chelation of iron. It is synthesized by removing a central iron molecule from ferrioxamine B, a compound obtained from the microorganism Streptomyces pilosus. Deferoxamine binds to iron from ferritin and forms ferrioxamine, a very stable and water-soluble chelate with a characteristic reddish color.

• 使用

  Deferoxamine is used for the treatment of both acute iron intoxication and chronic iron overload due to transfusiondependent anemias. It has also been used in trials for malaria treatment and for aluminum chelation in hemodialysis patients. Studies of a rat model of intracerebral hemorrhage have noted that deferoxamine treatment reduced oxidative stress from iron release, indicating a possible role in preventing damage associated with hemorrhagic strokes.

• 環境運命予測

  Localized infusion or injection site reactions may occur with deferoxamine administration, such as pain, urticaria and flushing of the skin. Hypersensitivity reactions have been documented with both acute and chronic administration of deferoxamine. Some of the more serious side effects include infusion rate-related hypotension, renal insufficiency, neurotoxicity, growth retardation, pulmonary toxicity, and infections. Deferoxamine may induce venous dilation when given at doses greater than 15 mg kg^-1 h^-1 leading to poor venous return, depressed cardiac output, and eventually hypotension. Increased levels of histamine have been noted during hypotensive episodes, although pretreatment with antihistamines has not been shown to stop the reaction. An acute decrease in glomerular filtration rate and renal plasma flow secondary to hypotension is the possible mechanism underlying the nephrotoxicity induced by deferoxamine. Depletion of iron, translocation of copper, and chelation of other trace elements including zinc may interfere with critical iron-dependent enzymes, causing oxidative damage within various tissues. These are possible mechanisms thought to be responsible for deferoxamineinduced neurotoxicity, growth retardation, and pulmonary toxicity. In vitro studies have shown that deferoxamine inhibits the synthesis of prostaglandin, hemoglobin, ferritin, collagen, and DNA. The iron–deferoxamine complex, ferrioxamine, is a growth factor for many bacteria and fungi. Deferoxamine has been associated with Yersinia enterocolitica overgrowth and fatal cases of mucormycosis with prolonged therapy.

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