Document 1078 DOCN M9591078 TI Potential use of a simplified method for determination of itraconazole levels in plasma and esophageal tissue by using high-performance liquid chromatography. DT 9509 AU Darouiche RO; Setoodeh A; Anaissie EJ; Department of Medicine, Veterans Affairs Medical Center, Houston,; TX 77030, USA. SO Antimicrob Agents Chemother. 1995 Mar;39(3):757-9. Unique Identifier : AIDSLINE MED/95314217 AB A simplified high-performance liquid chromatography assay was developed for determination of itraconazole levels in plasma and esophageal tissue in four patients with AIDS who had been receiving daily oral doses of 100 mg of itraconazole in solution for at least 3 weeks for therapy of esophageal candidiasis. Itraconazole levels were about three times higher in esophageal tissue than in plasma (means +/- standard errors of 0.69 +/- 0.50 micrograms/g and 0.24 +/- 0.16 micrograms/ml, respectively; P = 0.04). This method is quick (it requires only 1 h for completion) and sensitive (the limits of detectability for itraconazole in plasma and esophageal tissue are 0.005 micrograms/ml and 0.01 micrograms/g, respectively), and it can be reliably used in clinical and research settings (accuracy, > 95%; absolute recovery from biological samples, 80 to 90%; coefficient of variation, 3.3 to 6.6%). DE Acquired Immunodeficiency Syndrome/METABOLISM Chromatography, High Pressure Liquid Double-Blind Method Esophagus/*CHEMISTRY/METABOLISM Human Itraconazole/BLOOD/*CHEMISTRY/PHARMACOKINETICS CLINICAL TRIAL JOURNAL ARTICLE RANDOMIZED CONTROLLED TRIAL SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).