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Browsing by Subject "Drug induced liver injury"

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    Drug Induced Liver Injury Caused by Intravenously Administered Medications: The Drug Induced Liver Injury Network (DILIN) Experience
    (Wolters Kluwer, 2013) Ghabril, Marwan; Fontana, Robert; Rockey, Don; Jiezhun, Gu; Chalasani, Naga; Medicine, School of Medicine
    Background and aims: Idiosyncratic drug-induced liver injury (DILI) can be caused by intravenous (IV) medications, but the characteristics of DILI caused by these agents are not known. The aim of this study is to characterize the clinical features of subjects with suspected DILI associated with IV agents enrolled into the Drug Induced Liver Injury Network Prospective Study. Methods: Subjects with suspected DILI due to IV medications with probable, highly likely, or definite casuality scores were eligible. Results: Between 2004 and October 2010, 542 cases of DILI were adjudicated for causality, of which 32 were eligible for inclusion in this study. DILI was ascribed to a single IV agent in 27 subjects, and to multiple IV agents in 5 subjects. Antimicrobial agents (62%), antineoplastic agents (16%), and phenytoin (9%) were most commonly implicated. The pattern of liver injury was hepatocellular in 30%, mixed in 33%, and cholestatic in 37%. The peak alanine aminotransferase (ALT), alkaline phosphatase (AlkP), and total bilirubin were 686 ± 915 U/L, 623 ± 563 U/L, and 8.7 ± 10.3 mg/dL, respectively. The duration for ≥ 50% improvement from peak ALT, AlkP, and total bilirubin were 25 ± 37, 59 ± 69, and 20 ± 28 days, respectively. DILI severity was mild in 37%, moderate in 47%, severe in 13%, and fatal in 3%, with no liver transplantation. Their causality was adjudicated as definite in 5, very likely in 17, and probable in 10 subjects. The frequency of chronic DILI was 13%. Conclusions: Antimicrobial and antineoplastic agents are the most common IV agents to cause DILI. DILI ascribed to IV agents is relatively infrequent, but its outcomes are similar to those of the overall Drug Induced Liver Injury Network cohort.
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    Importance of Hepatitis C Virus RNA Testing in Patients with Suspected Drug-Induced Liver Injury
    (Springer, 2019-03-29) Ahmad, Jawad; Reddy, K. Rajender; Tillmann, Hans L.; Hayashi, Paul H.; Chalasani, Naga; Fontana, Robert J.; Navarro, Victor J.; Stolz, Andrew; Barnhart, Huiman; Cloherty, Gavin A.; Hoofnagle, Jay H.; Medicine, School of Medicine
    Background & Aims: The aims were to review the diagnosis, testing and presentation of acute hepatitis C (HCV) in patients initially diagnosed to have drug-induced liver injury (DILI) enrolled in the US DILI Network. Methods: All patients with suspected DILI underwent testing for competing causes of liver injury and returned for 6-month follow-up. Causality was adjudicated by consensus expert opinion. Results: Between 2004–2016, 1518 patients were enrolled and adjudicated and underwent 6 months of follow up. Initial locally acquired anti-HCV results were available in 1457 (96%), but HCV RNA in only 795 (52%). Stored sera were available for repeat testing, so that results were available on all 1518 patients (1457 for anti-HCV and 1482 for HCV RNA). 104 subjects (6.9%) had evidence of HCV infection- 10 positive for HCV RNA alone, 16 for anti-HCV alone and 78 for both. All 104 HCV-positive cases were reviewed and 23 cases were adjudicated as acute HCV. All presented with acute hepatocellular injury with median ALT 1448 U/L, alkaline phosphatase 232 U/L and total bilirubin 10.8 mg/dL. 22 (96%) patients were jaundiced. While all 23 cases initially had been suspected of having DILI, 19 were adjudicated as acute HCV and not DILI at the 6 month follow-up; while 4 were still considered DILI. Conclusions: 23 of 1518 (1.5%) cases of suspected DILI were due to acute HCV infection. We recommend that initial and follow up HCV RNA testing should be performed to exclude HCV in patients with acute hepatocellular injury and suspected DILI.
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    Liver Injury Associated with Turmeric-A Growing Problem: Ten Cases from the Drug-Induced Liver Injury Network [DILIN]
    (Elsevier, 2023) Halegoua-DeMarzio, Dina; Navarro, Victor; Ahmad, Jawad; Avula, Bharathi; Barnhart, Huiman; Barritt, A. Sidney; Bonkovsky, Herbet L.; Fontana, Robert J.; Ghabril, Marwan S.; Hoofnagle, Jay H.; Khan, Ikhlas A.; Kleiner, David E.; Phillips, Elizabeth; Stolz, Andrew; Vuppalanchi, Raj; Medicine, School of Medicine
    Background: Turmeric is a commonly used herbal product that has been implicated in causing liver injury. The aim of this case series is to describe the clinical, histologic, and human leukocyte antigen (HLA) associations of turmeric-associated liver injury cases enrolled the in US Drug-Induced Liver Injury Network (DILIN). Methods: All adjudicated cases enrolled in DILIN between 2004 and 2022 in which turmeric was an implicated product were reviewed. Causality was assessed using a 5-point expert opinion score. Available products were analyzed for the presence of turmeric using ultra-high-performance liquid chromatography. Genetic analyses included HLA sequencing. Results: Ten cases of turmeric-associated liver injury were found, all enrolled since 2011, and 6 since 2017. Of the 10 cases, 8 were women, 9 were White, and median age was 56 years (range 35-71). Liver injury was hepatocellular in 9 patients and mixed in 1. Liver biopsies in 4 patients showed acute hepatitis or mixed cholestatic-hepatic injury with eosinophils. Five patients were hospitalized, and 1 patient died of acute liver failure. Chemical analysis confirmed the presence of turmeric in all 7 products tested; 3 also contained piperine (black pepper). HLA typing demonstrated that 7 patients carried HLA-B*35:01, 2 of whom were homozygous, yielding an allele frequency of 0.450 compared with population controls of 0.056-0.069. Conclusion: Liver injury due to turmeric appears to be increasing in the United States, perhaps reflecting usage patterns or increased combination with black pepper. Turmeric causes potentially severe liver injury that is typically hepatocellular, with a latency of 1 to 4 months and strong linkage to HLA-B*35:01.
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    Vancomycin-Induced Liver Injury, DRESS, and HLA-A*32:01
    (Elsevier, 2024-01-01) Asif, Bilal A.; Koh, Chistopher; Phillips, Elizabeth J.; Gu, Jiezhun; Li, Yi-Ju; Barnhart, Huiman; Chalasani, Naga; Fontana, Robert J.; Hayashi, Paul H.; Navarro, Victor J.; Hoofnagle, Jay H.; Medicine, School of Medicine
    Background Intravenous vancomycin therapy can cause liver injury as well as “drug reaction with eosinophilia and systemic symptoms” (DRESS) syndrome. This study aimed to better define the clinical features and HLA associations of vancomycin-induced liver injury. Objective To describe clinical, biochemical, and temporal characteristics of vancomycin-induced liver injury. Methods Cases of liver injury with recent exposure to vancomycin who were enrolled in the US Drug-induced Liver Injury Network between 2004 and 2020 were assessed. Sequencing of HLA alleles was performed on stored blood samples. Results Among 1697 cases of drug-induced liver injury identified between 2004 and 2021, 9 (0.5%) were attributed to intravenous vancomycin. The 9 cases included 6 men, median age 60 years (range, 23-85 days), and treatment for 26 days (range, 1-34 days). The clinical presentation was DRESS syndrome in 8 patients, of whom 6 received corticosteroids. Liver injury varied from hepatocellular to cholestatic and from mild (n = 5) to fatal (n = 1). In survivors, liver injury and DRESS syndrome ultimately resolved. HLA typing demonstrated the HLA-A∗32:01 allele in 7 vancomycin cases (78%, all with DRESS syndrome), versus 1 of 81 cases (1.2%) exposed but not attributed to vancomycin, and 113 of 1708 cases (6.6%) without vancomycin exposure. The allele frequency in vancomycin cases was 0.44 compared with less than 0.04 in US populations. Conclusions Vancomycin-induced liver injury is commonly associated with DRESS syndrome and linked to HLA-A∗32:01. HLA-A∗32:01 testing could be considered early to risk-stratify patients using long-term intravenous vancomycin therapy.
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