Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2011
[Pharmacokinetics of amphotericin B in the cerebrospinal fluid during continuous intrathecal administration for treatment of cryptococcal neoformans meningitis].
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Fang Min, Lv Tian-ming, Yan Yuan, Liu Shi-ting, Gao Wen-hui, Liu Xiao-jia, Yin Jia, Wang Li, Wang Yuan-yuan
Аннотация
OBJECTIVE: To explore the pharmacokinetics of amphotericin B (AMB) in the cerebrospinal fluid (CSF) during continuous intrathecal administration of AMB for treatment of cryptococcal neoformans meningitis (CNM).
METHODS: The concentration of AMB in the CSF was measured using reversed phase high performance liquid chromatography (RP-HPLC) in 3 patients receiving continuous intrathecal infusion of AMB for CNM.
RESULTS: AMB concentrations in the CSF of the 3 patients exceeded the minimal inhibitory concentration (MIC) of AMB against Cryptococcus neoformans. The concentration-time curve showed that AMB concentration in the CSF underwent obvious variations on the first day of intrathecal infusion and after additional AMB doses, but maintained a stable level (0.61-1.21 µg/ml) on the next day.
CONCLUSION: [corrected] Continuous intrathecal administration of AMB can enhance the drug concentration in the CSF and maintain a stable and effective drug level for treatment of CNM.
METHODS: The concentration of AMB in the CSF was measured using reversed phase high performance liquid chromatography (RP-HPLC) in 3 patients receiving continuous intrathecal infusion of AMB for CNM.
RESULTS: AMB concentrations in the CSF of the 3 patients exceeded the minimal inhibitory concentration (MIC) of AMB against Cryptococcus neoformans. The concentration-time curve showed that AMB concentration in the CSF underwent obvious variations on the first day of intrathecal infusion and after additional AMB doses, but maintained a stable level (0.61-1.21 µg/ml) on the next day.
CONCLUSION: [corrected] Continuous intrathecal administration of AMB can enhance the drug concentration in the CSF and maintain a stable and effective drug level for treatment of CNM.