Antineoplastic Agent, Antimicrotubular:
Vinblastine binds to tubulin and inhibits microtubule formation, therefore, arresting the cell at metaphase by disrupting the formation of the mitotic spindle; it is specific for the M and S phases.
藥動學
禁忌症
1. Significant granulocytopenia (unless as a result of condition being treated)
2. Presence of bacterial infection
懷孕分類
D
哺乳分類
Infant risk cannot be ruled out.
副作用
Nausea, vomiting, constipation, vesiculations of the mouth, ileus, diarrhea, anorexia, abdominal pain, rectal bleeding, pharyngitis, hemorrhagic enterocolitis bleeding, numbness, parethesias, peripheral neuritis, mental depressions, loss of deep tendon reflexes, headache, convulsions, malaise, weakness, dizziness, pain tumor site, vesiculation of skin.
劑量和給藥方法
Dosage:
IV: 3.7 mg/m2; adjust dose every 7 days up to 5.5 mg/m2 (second dose), 7.4 mg/m2 (third dose), 9.25 mg/m2 (fourth dose), 11.1 mg/m2 (fifth dose). Administration:
1. Dosage adjustment goal is to reduce white blood cell count to ~3,000/mm3.
2. Do not administer more frequently than every 7 days.
小兒調整劑量
腎功能調整劑量
No dosage adjustment necessary.
肝功能調整劑量
1. Serum bilirubin >3 mg/dL: Administer 50% of dose
2. Serum bilirubin >3 times ULN: Avoid use
安定性
D5W or NS with vinblastine 20mg/L is less than 5% vinblastine decomposition in 3 weeks at 4 or 25℃ in the dark.
注射給藥指引
給藥途徑
IV
靜脈輸注液
NS, D5W
每瓶稀釋液體積
<100-250 mL
注射濃度
給藥速率
Do not give over prolonged periods (30 to 60 minutes or more)
安定性
D5W or NS with vinblastine 20mg/L is less than 5% vinblastine decomposition in 3 weeks at 4 or 25℃ in the dark.