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Clinical and Liver Biochemistry Phenotypes, and Outcome in 133 Patients with Anti-seizure Drug-Induced Liver Injury.
Digestive Diseases and Sciences 2023 May
AIMS AND OBJECTIVE: Anti-seizure drugs that cause idiosyncratic drug-induced liver injury (DILI) are an important cause of morbidity and mortality in individuals exposed to these drugs. The clinical and demographic characteristics, the liver injury pattern, the outcome, and the agents responsible for hepatotoxicity have not been thoroughly studied. We investigated the aforementioned characteristics in a large cohort of DILI registry patients.
METHODS: Patients with anti-seizure DILI were studied from a large single-center DILI registry between 1998 and 2021. DILI was defined by international working group criteria with at least a probable relation with RUCAM. Immunoallergic features and organ-specific contribution to outcome were investigated.
RESULTS: Anti-seizure drugs accounted for 133 patients (12.5%) among 1067 patients with idiosyncratic DILI. Compared to other agents, patients with anti-seizure DILI were younger (31 vs 41 years; p = 0.31), were more often females (52% vs 46%; p = 0.19) and had a lower frequency of jaundice (41% vs 59%, p = 0.001), MELD score (14.5 vs 16.5; p = 0.02) and mortality (9.8% vs 15.7%, p = 0.03). Anti-seizure DILI exhibited a greater frequency of hypersensitivity skin rashes (75% vs 22%, p < 0.001), including DRESS (51% vs 13%, p < 0.001) and SJS/TEN (19% vs1%, p < 0.001). A total of 18 different anti-seizure agents were responsible for DILI, largely contributed by carbamazepine (n = 36), phenytoin (n = 71), phenobarbitone (n = 8) and valproate (n = 14) which accounted for 89% of cases and 85% of 13 deaths.
CONCLUSIONS: Anti-seizure DILI are caused predominantly by first generation drugs. Newer agents account for < 10% of cases. Hypersensitivity reaction is the most common phenotypic presentation. Both severity and mortality are lower with anti-seizure DILI.
METHODS: Patients with anti-seizure DILI were studied from a large single-center DILI registry between 1998 and 2021. DILI was defined by international working group criteria with at least a probable relation with RUCAM. Immunoallergic features and organ-specific contribution to outcome were investigated.
RESULTS: Anti-seizure drugs accounted for 133 patients (12.5%) among 1067 patients with idiosyncratic DILI. Compared to other agents, patients with anti-seizure DILI were younger (31 vs 41 years; p = 0.31), were more often females (52% vs 46%; p = 0.19) and had a lower frequency of jaundice (41% vs 59%, p = 0.001), MELD score (14.5 vs 16.5; p = 0.02) and mortality (9.8% vs 15.7%, p = 0.03). Anti-seizure DILI exhibited a greater frequency of hypersensitivity skin rashes (75% vs 22%, p < 0.001), including DRESS (51% vs 13%, p < 0.001) and SJS/TEN (19% vs1%, p < 0.001). A total of 18 different anti-seizure agents were responsible for DILI, largely contributed by carbamazepine (n = 36), phenytoin (n = 71), phenobarbitone (n = 8) and valproate (n = 14) which accounted for 89% of cases and 85% of 13 deaths.
CONCLUSIONS: Anti-seizure DILI are caused predominantly by first generation drugs. Newer agents account for < 10% of cases. Hypersensitivity reaction is the most common phenotypic presentation. Both severity and mortality are lower with anti-seizure DILI.
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