PubMed · 6139002
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J D Hodgin. 1983. Phobic disorders.. https://pubmed.ncbi.nlm.nih.gov/6139002/
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A totally automated liquid chromatographic assay method based on a Prospekt solid-phase extraction unit was developed for the analysis of lesopitron and its metabolite 5-hydroxylesopitron in human plasma. On-line solid-phase extraction of lesopitron, 5-hydroxylesopitron and its internal standard in human plasma was carried out using C2 cartridges. After washing, the test substances were eluted with mobile phase onto an ODS-2 Inertsil column and measured by fluorescence detection. The total time for one analysis was 25 min. The method developed was selective and linear in the concentration range from 1 to 40 ng/ml for both parent drug and metabolite. Recovery of lesopitron and 5-hydroxylesopitron were higher than 80% and the quantification limits were 1 ng/ml for both compounds. Coefficients of variation obtained for precision parameters were all below 14.5% and 13.9% for parent drug and metabolite, respectively. Good values of accuracy were also obtained.
AIMS: Because of widely differing views on the drugs that can be administered in combination, this study was undertaken to record the combination of drugs in syringe drivers that we had found to be compatible. METHODS: The content of syringe drivers in 100 consecutive patients in whom continuous subcutaneous infusion was used, was recorded. The incidence of skin reactions with the different drugs was noted. The efficacy of combinations used was assessed clinically. RESULTS: A wide variety of drugs were used in many different combinations, with no clinical evidence of loss of efficacy. Some drug combinations are incompatible. Drugs known to cause skin reactions were not administered. In this study skin reactions depended on the number of drugs used in combination. CONCLUSIONS: The array of medications that can be used together in syringe drivers enable this method of drug administration to be used successfully in the control of the diverse symptoms that may arise in terminal illness. Further study is needed for quantitative measurement of drug stability.