サニルブジン

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

  H341：遺伝性疾患のおそれの疑い

• 注意書き

  P201：使用前に取扱説明書を入手すること。

  P202：全ての安全注意を読み理解するまで取り扱わないこ と。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P308+P313：暴露または暴露の懸念がある場合：医師の診断/手当てを 受けること。

  P405：施錠して保管すること。

  P501：内容物/容器を．．．に廃棄すること。

サニルブジン 価格

MSDS Information

• 3'-Deoxy-2',3'-didehydrothymidine

サニルブジン 化学特性,用途語,生産方法

• 外観

  白色～ほとんど白色粉末～結晶

• 効能

  抗ウイルス薬, 逆転写酵素阻害薬

• 説明

  Stavudine, a dideoxynucleoside analog of thymidine, has been introduced in the U.S.A. for the treatment of late-stage AIDS patients who are refractory to other AIDS treatments. Similar as other currently available agents for AIDS treatment such as zidovudine (AZT), didanosine, and zalcitabine, the anti-HIV activity of these 2'3'- dideoxynucleosides is ascribed to the inhibitory effect of their corresponding 5'- triphosphates against the HlVsncoded RNAdependent DNA polymerase (reverse transcriptase). While some of these drugs have rapid development of drug resistance, stavudine is active against AZT-resistant HIV strains. It has a favorable pharmacokinetic profile with more complete and less variable oral absorption than AZT and didanosine and has a bioavailability of 80-90%.

• 化学的特性

  Colourless solid

• 使用

  Stavudine (Zidovudine EP Impurity A) is used as an antiviral. A reverse transcriptase inhibitor.

• 適応症

  Stavudine (d4T, Zerit) is a thymidine nucleoside analogue that is active against HIV-1 and HIV-2. It is approved for the therapy of HIV infection as part of a multidrug regimen and is also used for postexposure prophylaxis.

• 定義

  ChEBI: A nucleoside analogue obtained by formal dehydration across positions 2 and 3 of thymidine. An inhibitor of HIV-1 reverse transcriptase

• 抗菌性

  Stavudine is active against HIV-1, HIV-2 and HTLV-1.

• 獲得抵抗性

  Resistance to stavudine is identical to that seen for zidovudine. Mutations at positions 41, 67 and 70, and positions 210, 215 and 219 (the ‘thymidine analog mutations’) of the reverse transcriptase genes are associated with diminished antiretroviral efficacy.

• 一般的な説明

  Stavudine, 2'3'-didehydro-2'-deoxythymidine (D4T, Zerit), isan unsaturated pyrimidine nucleoside that is related to thymidine.The drug inhibits the replication of HIV by a mechanismsimilar to that of its close congener, AZT.Stavudine is bioactivatedby cellular enzymes to a triphosphate.
  Stavudine is available as capsules for oral administration.The drug is acid stable and well absorbed (about 90%) followingoral administration. Stavudine has a short half-life(1–2 hours) in plasma and is excreted largely unchanged(85%–90%) in the urine.As with ddC, the primary doselimitingeffect is peripheral neuropathy.
  Stavudine isrecommended for the treatment of adults with advancedHIV infection who are intolerant of other approved therapiesor who have experienced clinical or immunological deteriorationwhile receiving these therapies.

• 空気と水の反応

  Water soluble.

• 反応プロフィール

  Stavudine is sensitive to heat. Incompatible with strong oxidizing agents .

• 危険性

  Moderately toxic by ingestion.

• 火災危険

  Literature sources indicate that Stavudine is combustible.

• 応用例（製薬）

  An analog of thymidine formulated for oral administration.

• 薬物動態学

  Oral absorption: 86%
  C_max 40 mg twice daily: 0.54 mg/L
  Plasma half-life: 1.4 h
  Volume of distribution: 0.66 L/kg
  Plasma protein binding: <5%
  Absorption and distribution
  It is rapidly absorbed with or without food. CNS penetration is moderate. The estimated semen:plasma ratio is >1. It is secreted into breast milk.
  Metabolism and excretion
  The metabolic fate in humans has not been elucidated. Renal elimination accounts for approximately 40% of overall clearance at a rate almost twice that of endogenous creatinine, indicating glomerular filtration and active tubular secretion. Clearance decreases as creatinine clearance decreases and the dosage should be adjusted in patients with reduced renal function. Pharmacokinetics are not significantly altered in patients with hepatic impairment.

• 臨床応用

  Treatment of HIV infection in adults and children

• 副作用

  The adverse effects with which stavudine is most frequently associated are headache, diarrhea, skin rash, nausea, vomiting, insomnia, anorexia, myalgia, and weakness. Peripheral neuropathy consisting of numbness, tingling, or pain in the hands or feet is also common with higher doses of the drug. Significant elevation of hepatic enzymes may be seen in approximately 10 to 15% of patients. Lactic acidosis occurs more frequently with stavudine than with other NRTIs. Viral resistance to stavudine may develop, and cross-resistance to zidovudine and didanosine may occur.

• 予防処置

  Stavudine possesses several clinically significant interactionswith other drugs. Although hydroxyurea enhancesthe antiviral activity of stavudine and didanosine,combination therapy that includes stavudine anddidanosine, with or without hydroxyurea, increases therisk of pancreatitis. Combinations of stavudine and didanosineshould not be given to pregnant women becauseof the increased risk of metabolic acidosis.Zidovudine inhibits the phosphorylation of stavudine;thus, this combination should be avoided.

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Global(518)Suppliers

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3056-17-5, サニルブジン キーワード