Quantitative analysis of sulpiride in body fluids by high-performance liquid chromatography with fluorescence detection.
A high-performance liquid chromatographic method for the analysis of sulpiride, N-ethyl-2-(2-methoxy-5-sulphonamido-benzamido-methyl)-pyrrolidine, in body fluids is described. A structurally related compound, N-ethyl-2-(2,4-dimethoxy-benzamido-methyl)-pyrrolidine, was used as internal standard. A fluorescence detector with excitation maximum at 299 nm and emission maximum at 342 nm was used for the quantitation. The detection limit was about 10 ng/ml in serum and cerebrospinal fluid and about 200 ng/ml in urine. The experimental error was 5--10% in the concentration range 25--100 ng/ml. Some preliminary data from a pharmacokinetic study in healthy volunteers are presented. The half-life for sulpiride in serum was about 8 h. Sulpiride was also measured in cerebrospinal fluid from five drug-treated psychotic patients.
D000328:Adult; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D012559:Schizophrenia / Q000097:blood / Q000188:drug therapy; D013050:Spectrometry, Fluorescence; D013469:Sulpiride / Q000097:blood* / Q000134:cerebrospinal fluid / Q000652:urine
D013469:Sulpiride