Ertapenem

  • Ertapenem Neurotoxicity in Hemodialysis Patients-Safe and Effective Dosing Is Still Needed: A Retrospective Study and Literature Review.
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    Ertapenem Neurotoxicity in Hemodialysis Patients-Safe and Effective Dosing Is Still Needed: A Retrospective Study and Literature Review.

    Ann Pharmacother. 2020 Jul 03;:1060028020938059

    Authors: El Nekidy WS, Elrefaei H, St John TJL, Attallah NM, Kablaoui F, Nusair A, Piechowski-Jozwiak B, Phillips J, Ghazi IM

    Abstract
    Background: The approved dosing of ertapenem in patients with chronic kidney disease stage 5 utilizing dialysis (CKD-5D) is 0.5 g intravenous daily. Several reports associated this dosing strategy with neurotoxicity. Objective: The purpose of this study is to identify the incidence of neurotoxicity in this population and the risk factors associated with this toxicity. The secondary objective was to review the literature and discuss a safer/cost-effective dosing strategy based on available data. Methods: A retrospective study was conducted screening all patients who received ertapenem and hemodialysis at our quaternary hospital between May 2015 and March 2019. Patients' demographics, comorbidities, concomitant drugs (known to induce neurotoxicity), and seizure history were collected. Results: A total of 99 eligible patients were identified; 10 of them (10%) developed neurotoxicity. The patients who developed neurotoxicity were all male; mean age was 74 ± 9 years as compared with 68.9 ± 13 years in the sample. Bivariate relationships between all predictors and the seizures (dichotomously coded) were estimated to investigate the risk factors. The following were the significant predictors of seizures: male sex (17%; P = 0.014), dementia (27%; P = 0.012), and concomitant use of β-lactams, aminoglycosides, or fluoroquinolones (19.6%; P = 0.042). Conclusion and Relevance: The currently approved ertapenem dose imposes a risk of developing neurotoxicity in patients with CKD-5D. Utilizing the published data in this population, alternative post-dialysis dosing strategies administered through dialysis access such as 1 g loading dose, followed by either 0.5 g (for the 48 hours interdialytic time) or 1 g (for the 72 hours interdialytic time) might warrant further investigation for efficacy and safety.

    PMID: 32618479 [PubMed - as supplied by publisher]


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