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- W2397344700 abstract "Hyperthermic isolated limb perfusion (HILP) with melphalan (MH) as a standard cytotoxic drug has been performed in 28 patients suffering from malignant melanoma. MH has been administered by HILP via extracorporeal circulation system. The drug given locoregionally reduces subsequent toxicity of organs. For all that residues can leak into the systemic circulation during HILP. Because of known carcinogenic potential and secondary cancer formation, the main interest of this work is to determine MH concentration profile in the patient plasma during and after HILP and evaluation of its potential toxicity in patients. Reversed-phase HPLC assay, which uses isocratic elution and fluorimetric detection has been shown to be sensitive, reliable and suitable for routine analyses. The assay was validated for the concentration range of 50-2500 ng.ml-1 with the limit of detection (LOD) 6.881 ng.ml-1. The samples were treated by methanol precipitation with the recovery more than 80%. The stability of standard solutions and methanolic extracts of MH were also followed. The concentration profile of MH in patient samples has been pursued in three time points during and after chemoperfusion (45 min after application of MH in extracorporeal circulation, 10 min after the joining the extremity to systemic circulation and one hour after the great vessels reconstruction). The concentrations of MH ranged 100-1500 ng.ml-1 and varied from patient-to-patient. Some complications were observed after HILP in 11 patients and are correlated with the higher con- centrations of MH (over 150 ng x ml-1) found in plasma." @default.
- W2397344700 created "2016-06-24" @default.
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- W2397344700 date "2003-01-01" @default.
- W2397344700 modified "2023-10-17" @default.
- W2397344700 title "Rapid HPLC analysis of melphalan applied to hyperthermic isolation limb perfusion." @default.
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