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Manufacture of an Automatic Test System Based on Standard Antifungal Agent Sensitivity Testing Metho

基于标准抗真菌药物敏感性测试方法的自动测试系统的研制

基本信息

批准号：
07557322
负责人：
UCHIDA Katsuhisa
金额：
$ 0.58万
依托单位：
Teikyo University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (A)
财政年份：
1995
资助国家：
日本
起止时间：
1995 至 1996
项目状态：
已结题

项目摘要

We have trial produced and evaluated a kit for performing antifungal agent sensitivity test using the satndard micro-broth dilution method. Firt, to ensure that the kit will be easily available for routine testing in medical facilities, we determined the condition for producing antifungal agent-incorporated 96-well microplate that can be stored frozen. Nex, we distributed the kits that contained the frozen plate, sterile RPMI 1640 medium for culture and sterile physiological saline for preparing fungal inoculum, to evaluating facilities or facilities cooperated in evaluation. Using these kits, antifungal agent sensitivity tests were conducted on fresh clinical isolates of yeast-like fungi. End-points were determined both visually and using a plate analyzer. Standard fungal stain was always tested in parallel during testing for quality control. A total of 150 yeast-like fungal strains belonging to 13 species were tested in various facilities in Japan. The showed a good correlation between the results obtained using the trial produced plates and those by conventional standard method. Furthmore, good correlation was also obtained between the results of the facilities and those of researchers repeating the tests, confirming good reproducibility. We concluded that this kit when used in routine clinical testing produced reliable results, showing that it is highly useful test system. Based on these results, we applied for permission to namufacture this kit as a diagnostic product, and obtained approval.

我们试制并评价了一种用萨氏微量肉汤稀释法进行抗真菌药物敏感性试验的试剂盒。首先，为了确保试剂盒在医疗机构的常规检测中容易获得，我们确定了生产可冷冻储存的抗真菌药物的96孔微孔板的条件。NEX，我们将含有冰冻平板、无菌RPMI1640培养基和制备真菌接种物的无菌生理盐水的试剂盒分发给评价机构或配合评价的机构。使用这些试剂盒，对新鲜的酵母样真菌临床分离株进行了抗真菌药物敏感性试验。目测和使用平板分析仪测定终点。为了质量控制，标准真菌染色总是在测试过程中进行平行测试。共有13个物种的150个酵母样真菌菌株在日本的各种设施中进行了测试。结果表明，用试制的试板测得的结果与常规标准方法测得的结果有很好的相关性。此外，设备的结果与研究人员重复测试的结果之间也获得了良好的相关性，证实了良好的重复性。我们得出的结论是，该试剂盒用于常规临床测试时产生了可靠的结果，表明它是一个非常有用的测试系统。基于这些结果，我们申请了将该试剂盒命名为诊断产品的许可，并获得了批准。