• Yuan-Pin Hung, Nan-Yao Lee, Chia-Ming Chang, Hsin-Chun Lee, Chi-Jung Wu, Po-Lin Chen, Ching-Chi Lee, Chih-Huan Chung, and Wen-Chien Ko.
• Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan.
• Clin Ther. 2009 Sep 1;31(9):1977-86.

BackgroundVancomycin has reliable antibacterial activity against many gram-positive pathogens but is associated with many adverse events. Teicoplanin, another glycopeptide, is associated with fewer adverse events, but its use in patients with previous vancomycin-induced adverse reactions remains controversial.ObjectivesThe aims of this work were to evaluate the clinical characteristics of hospitalized patients with vancomycin-induced fever (ie, drug fever), rash, or neutropenia and to examine the tolerability of teicoplanin in these patients.MethodsThis was a retrospective review of the medical charts of patients aged >or=18 years who were hospitalized between January 2002 and October 2007 at National Cheng Kung University Hospital in Tainan, Taiwan. Patients were included if they experienced drug-induced fever (ie, "drug fever"), rash, or neutropenia during vancomycin treatment. Their antimicrobial therapy was subsequently switched to teicoplanin. Clinical information and the development of drug fever, rash, or neutropenia with teicoplanin were determined from the charts.ResultsAntibiotic therapy was switched to teicoplanin in 117 patients with vancomycin-induced fever alone (n = 24), rash alone (n = 77), both drug fever and rash (n = 8), or neutropenia (n = 8). The mean (SD) age of these patients was 53.1 (22.8) years, and 65 (56%) were male. The major clinical indications for vancomycin therapy among these patients were wound infections (21%), respiratory tract infections (14%), and bacteremia (13%). The dosages for vancomycin ranged from 1 g every 5 days to 1 g BID, and for teicoplanin ranged from 400 mg daily to 400 mg q72h, adjusted by the degree of renal dysfunction. Overall, 12 patients with vancomycin-induced fever (n = 2), rash (n = 6), or neutropenia (n = 4) subsequently developed teicoplanin-induced fever (n = 3), rash (n = 3), or neutropenia (n = 6). Specifically, of 8 patients with vancomycin-induced neutropenia, 4 (50%) subsequently developed neutropenia after switching to teicoplanin. Vancomycin- and teicoplanin-induced neutropenia was often noted after 1 week of treatment. Among patients with vancomycin-induced fever, rash, or neutropenia, there were no differences between patients with or without teicoplanin-induced fever, rash, or neutropenia in terms of age, sex, weight, dosage or duration of vancomycin therapy, dosage of teicoplanin, or underlying disease. There was no difference in mortality rates between patients with or without teicoplanin-induced fever, rash, or neutropenia. The cause of all deaths was progression of infectious or underlying disease, unrelated to vancomycin or teicoplanin use.ConclusionsBased on this retrospective chart review of hospitalized patients with vancomycin-induced fever, rash, or neutropenia, only 10% experienced subsequent teicoplanin-induced fever, rash, or neutropenia. However, it should be noted that half of the patients with vancomycin-induced neutropenia developed teicoplanin-induced neutropenia.

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