Journal
INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS
Volume 44, Issue 1, Pages 1-7Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijantimicag.2014.01.006
Keywords
Acinetobacter; MDR; PDR; XDR; Enterobacteriaceae; Intensive care unit
Funding
- Angelini
- Astellas
- Rokitan
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Here we review the effectiveness and safety of high-dose tigecycline (200 mg daily). A systematic search was performed in PubMed and Scopus databases as well as of abstracts presented at scientific conferences. Eight studies (263 patients; 58% critically ill) were included, comprising one randomised controlled trial (RCT), four non-randomised cohorts and three case reports. Klebsiella pneumoniae was the most commonly isolated pathogen (reported in seven studies). In the RCT, response in the clinically evaluable patients was 85.0% (17/20) in the 100 mg every 12 h (q12 h) group and 69.6% (16/23) in the 75 mg q12 h group (P = 0.4). More episodes of diarrhoea, treatment-related nausea and vomiting developed in the high-dose group (14.3% vs. 2.8%, 8.6% vs. 2.8% and 5.7% vs. 2.8%, respectively; P > 0.05 for all comparisons). Three (8.6%) and 7 (19.6%) patients died in the 200 mg and 150 mg daily dose groups, respectively. The cohort studies enrolled patients with severe infections, including ventilator-associated pneumonia and complicated intra-abdominal infections. Mortality with high-dose tigecycline (100 mg q12 h) in the cohort studies ranged from 8.3% to 26%; mortality in the low-dose groups (50 mg q12 h) ranged from 8% to 61% and depended on the severity of the underlying infection. There are limited available data regarding the effectiveness and safety of high-dose tigecycline. Most of the data come from critically ill patients with difficult-to-treat infections. Pharmacokinetic/pharmacodynamic properties of tigecycline suggest that high-dose regimens may be more effective than low-dose regimens. Candidates for administration of high-dose tigecycline should be also defined. (C) 2014 Elsevier B.V. and the International Society of Chemotherapy. All rights reserved.
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