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肺癌的治疗

ID #1008

紫杉醇针剂用法用量

  【用法用量】
  一般临床使用紫杉醇的程序如下:
  1.先询问病人有无过敏史,并查看白细胞及血小板的数据。有过敏史者及白细胞/血小板低下者应慎用。
  2.由于此药可引起过敏反应,在给药12小时和6小时前服用地塞米松20mg,给药前30~60分钟给予苯海拉明50mg口服及西咪替丁300mg静脉注射。
  3.常用紫杉醇的剂量为135~175mg/m2,应先将注射液加于生理盐水或5%葡萄糖液500~1000ml中,需用玻璃瓶或聚乙烯输液器,应用特制的胶管及0.22μm的微孔膜滤过。
  4.滴注开始后每15分钟应测血压、心率、呼吸一次,注意有无过敏反应。
  5.一般滴注3小时。
  6.注药后每周应检查血像至少2次,3~4周后视情况可再重复。
  本品可与顺铂、卡铂、异环磷酰胺、氟尿嘧啶、阿霉素、VP-16等联合应用,血像低下时应用G-CSF,或紫杉醇加G-CSF预防给药。
  【注意事项】
  1.血液学毒性:为限制剂量提高的主要因素,一般在白细胞低于1500/mm3时应辅助应用G-CSF,血小板低于30,000/mm3时应输成分血。
  2.过敏反应:除了预处理外,如只有轻微症状如面潮红、皮肤反应、心率略快、血压稍降可不必停药,可将滴速减慢。但如出现严重反应如血压低、血管神经性水肿、呼吸困难、全身寻麻疹,应停药并给以适当处理。有严重过敏的病人下次不宜再次应用紫杉醇治疗。
  3.神经系统:最常见为指趾麻木。有约4%的病人,特别是高剂量时可出现明显的感觉和运动障碍及腱反射减低。曾有个别报告在滴注时发生癫痫大发作。
  4.心血管:一过性心动过速和低血压较常见,一般不需处理。但在滴注的第一小时应严密观察,以后除有严重传导阻滞的病人不必每小时观察一次。
  5.关节和肌肉:半数左右的病人在用药后2~3天会感到关节和肌肉疼痛,与所用剂量相关。一般在几天内恢复。在给予G-CSF的病人肌肉痛会加重。
  6.肝胆系统:由于紫杉醇大部由胆汁中排出,对有肝胆疾病的病人应谨慎观察。在数千例的资料中约8%的病人有胆红素升高,23%的病人碱性磷酸酶升高,18%有谷草转氨酶升高。但目前尚无资料说明紫杉醇对肝功有严重损害。
  7.其他:消化道反应虽常见但一般不重,少数可有腹泻和粘膜炎。轻度脱发也较常见。

==== 翻译 ====

【Usage consumption】
General clinical use of Taxol procedures are as follows:
1. First ask whether the patient allergic history, and view the white blood cell and platelet data. There is a history of allergy and leukocyte / thrombocytopenia should be used with caution.
2. Since this drug can cause allergic reactions, in the administration of 12 hours and 6 hours ago taking dexamethasone 20mg, administered the first 30 ~ 60 minutes to give oral diphenhydramine 50mg and cimetidine 300mg intravenous injection.
3. Commonly used dose of paclitaxel 135 ~ 175mg/m2, should be first injection and in normal saline or 5% glucose solution 500 ~ 1000ml, the need to use glass bottles or polyethylene infusion set, the application specially designed hose and 0.22μm The microporous membrane filtration.
4. Infusion should be every 15 minutes after the start of blood pressure, heart rate, breathing time, watch for allergic reactions.
5. The general infusion of 3 hours.
6. After the injection of blood should be checked every week, as at least 2 times, 3 to 4 weeks, as the case may be repeated.
It can be used with cisplatin, carboplatin, ifosfamide, fluorouracil, doxorubicin, VP-16 and other joint applications, such as low blood when applied G-CSF, or paclitaxel plus G-CSF prophylaxis.
【Note】
1. Hematologic toxicity: In order to limit dose to improve the main factors, generally less than 1500/mm3 in the white blood cells should be auxiliary applications G-CSF, platelets less than 30,000 / mm3 of blood components should be lost.
2. Allergic reactions: In addition to pre-processing, if, only slight symptoms such as facial flushing, skin reactions, heart rate slightly faster, blood pressure, easing withdrawal can not can be Disu slow. However, if severe reactions such as blood pressure is low, angioedema, difficulty breathing, body find measles, should be discontinued and to give appropriate treatment. Patients with severe allergies should not be re-applied the next Taxol treatment.
3. Nervous system: The most common of Zhizhi numb. About 4% of patients, particularly noticeable when high doses of sensory and motor impairment and reduced tendon reflexes. There have been isolated reports infusion grand mal epilepsy.
4. Cardiovascular: a transient tachycardia and hypotension more common, generally did not require treatment. However, in the first hour of infusion should be closely observed, after addition of patients with severe conduction block do not have to observe the first hour.
5. Joints and muscles: about half of the patients in 2 ~ 3 days after treatment will feel joint and muscle pain, with the dose-related. Usually resume within days. Given G-CSF in patients with muscle pain will increase.
6. Hepatobiliary system: Because taxol most excreted from the bile of patients with hepatobiliary disease should be carefully observed. The information in thousands of cases of about 8% of patients had elevated bilirubin, 23% of patients with elevated alkaline phosphatase, 18% had elevated aspartate transaminase. However, paclitaxel is currently no information on the serious damage to the liver.
7. Other: gastrointestinal reactions although uncommon but is generally not heavy, a few may have diarrhea, and mucositis. Mild hair loss are more common.

Tags: 紫杉醇针剂

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更新日期: 2009-10-26 08:32
作者: : mcyclub
修订: 1.0

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