Author(s): McGovern PC, Wible M, KorthBradley JM, Quintana A, McGovern PC, Wible M, KorthBradley JM, Quintana A
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Abstract OBJECTIVES: To examine the incidence of pancreatitis among subjects enrolled in the tigecycline clinical trial programme, summarize cases and examine concomitant use of other pancreatitis-causing medications. METHODS: Subject data from Phase 3 and 4 comparative tigecycline studies were included in the analysis; investigator-reported adverse events of 'pancreatitis', 'necrotizing pancreatitis' or 'pancreas disorder' were reviewed. Data were summarized and cases were reported. No statistical comparisons were made. The incidence of overall pancreatitis with 95\% CIs was calculated. The Wilson score method was used to calculate CIs. RESULTS: Nineteen subjects with investigator-determined pancreatitis were identified from the programme database, which included 3788 subjects treated with tigecycline and 3646 subjects treated with a comparator. There were 9 cases identified among the tigecycline-treated subjects [9 of 3788 (0.24\%; 95\% CI, 0.11-0.45)] and 10 cases among the comparator-treated subjects [10 of 3646 (0.27\%; 95\% CI, 0.13-0.50)]. The demographic characteristics of the subjects with pancreatitis were similar between treatment groups. The median duration of tigecycline therapy was 8.0 days compared with 11.0 days of comparator treatment. Concomitant or prior exposure to a Badalov class I medication was evident in the majority of subjects who developed pancreatitis. A numerically higher number of tigecycline-treated subjects were exposed to furosemide prior to the onset of pancreatitis than comparator-treated subjects. CONCLUSIONS: Pancreatitis was uncommon in subjects treated with tigecycline, with an occurrence of <1\%. Concomitant medications known to cause pancreatitis should be considered when prescribing tigecycline, but may not identify those at risk of developing pancreatitis.
This article was published in J Antimicrob Chemother
and referenced in Journal of Developing Drugs