Cited by 615Drug-Induced Hepatotoxicity and ProtectionPharmacovigilance and Adverse Drug ReactionsLiver physiology and pathology

The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index; 4 of the 57 sources its claims cite were checked for support.

Incidence and Etiology of Drug-Induced Liver Injury in Mainland China

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Abstract

BACKGROUND & AIMS: We performed a nationwide, retrospective study to determine the incidence and causes of drug-induced liver injury (DILI) in mainland China. METHODS: We collected data on a total of 25,927 confirmed DILI cases, hospitalized from 2012 through 2014 at 308 medical centers in mainland China. We collected demographic, medical history, treatment, laboratory, disease severity, and mortality data from all patients. Investigators at each site were asked to complete causality assessments for each case whose diagnosis at discharge was DILI (n = 29,478) according to the Roussel Uclaf Causality Assessment Method. RESULTS: Most cases of DILI presented with hepatocellular injury (51.39%; 95% confidence interval [CI] 50.76-52.03), followed by mixed injury (28.30%; 95% CI 27.73-28.87) and cholestatic injury (20.31%; 95% CI 19.80-20.82). The leading single classes of implicated drugs were traditional Chinese medicines or herbal and dietary supplements (26.81%) and antituberculosis medications (21.99%). Chronic DILI occurred in 13.00% of the cases and, although 44.40% of the hepatocellular DILI cases fulfilled Hy's Law criteria, only 280 cases (1.08%) progressed to hepatic failure, 2 cases underwent liver transplantation (0.01%), and 102 patients died (0.39%). Among deaths, DILI was judged to have a primary role in 72 (70.59%), a contributory role in 21 (20.59%), and no role in 9 (8.82%). Assuming the proportion of DILI in the entire hospitalized population of China was represented by that observed in the 66 centers where DILI capture was complete, we estimated the annual incidence in the general population to be 23.80 per 100,000 persons (95% CI 20.86-26.74). Only hospitalized patients were included in this analysis, so the true incidence is likely to be higher. CONCLUSIONS: In a retrospective study to determine the incidence and causes of DILI in mainland China, the annual incidence in the general population was estimated to be 23.80 per 100,000 persons; higher than that reported from Western countries. Traditional Chinese medicines, herbal and dietary supplements, and antituberculosis drugs were the leading causes of DILI in mainland China.

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TL;DR

In a nationwide retrospective study of 25,927 confirmed drug-induced liver injury (DILI) cases from 308 mainland China centers (2012–2014), the estimated annual incidence in the general population was 23.80 per 100,000 (95% CI 20.86–26.74), higher than several Western estimates. Traditional Chinese medicines/herbal and dietary supplements and anti-tuberculosis drugs were the leading implicated single drug classes.

Key findings

  • Most cases presented as hepatocellular injury (51.39%; 95% CI 50.76–52.03), followed by mixed (28.30%; 95% CI 27.73–28.87) and cholestatic (20.31%; 95% CI 19.80–20.82); chronic DILI occurred in 13.00%, and 44.40% of hepatocellular cases met Hy’s Law criteria.
  • Severe outcomes were uncommon: 280 cases (1.08%) progressed to hepatic failure, 2 (0.01%) underwent liver transplantation, and 102 (0.39%) died; among deaths, DILI was judged primary in 72 (70.59%), contributory in 21 (20.59%), and no role in 9 (8.82%).
  • Leading single implicated classes were TCM/HDS (26.81%) and anti-TB drugs (21.99%); other single classes >1% included antineoplastics/immunomodulators (8.34%), anti-infectious agents (6.08%), psychotropics (4.90%), non-sex hormones (3.04%), cardiovascular drugs (2.98%), digestive drugs (2.04%), respiratory drugs (1.47%), and musculoskeletal drugs (1.32%).
  • Among 66 centers with complete capture, 13,691 DILI cases occurred among 8,102,732 inpatients (mean proportion 1.69‰; 95% CI 1.66–1.72); annual estimated incidence was 21.37, 23.86, and 26.00 per 100,000 in 2012, 2013, and 2014, averaging 23.80 per 100,000 (95% CI 20.86–26.74).

Methods

  • Retrospective multicentric “DILI-R” study at 308 medical centers in mainland China, searching inpatient discharge diagnoses from January 1, 2012 to December 31, 2014; of 29,478 initial DILI discharge cases, 80 with admission date out of range and 2,153 with missing data were excluded, leaving 27,245 with eligible data.
  • Causality assessment used RUCAM: cases with scores ≥6 (n=13,555) entered directly; cases with scores <6 (n=13,690) were reviewed by a panel of 3 hepatologists, and those judged probable DILI by at least two (n=12,372) were enrolled, yielding 25,927 eligible DILI cases.
  • Clinical type was classified by R value (hepatocellular ≥5.0, cholestatic ≤2.0, mixed 2.0–5.0); incidence was estimated using only the 66 centers with complete event capture as (DILI inpatients in 66 centers annually ÷ total inpatients in 66 centers annually) × (nationwide inpatients annually ÷ general population in mainland China annually), with SAS 9.3 and standard nonparametric/categorical tests.

Limitations

  • Paper-stated: only hospitalized patients were included, so the true incidence is likely higher; mild/moderate DILI patients who were unrecognized or managed as outpatients were not considered, and underdeveloped parts of the country not well covered by the survey have higher incidence of diseases requiring hepatotoxic drug treatment, so actual DILI incidence is very likely higher than 23.80 per 100,000.
  • Paper-stated: there were no entrance criteria based on liver chemistries, so the cohort may include more relatively mild cases than other registries; enrollment of children and teenagers (<18 years) was relatively low, possibly related to the limited number of pediatric hospitals participating; the panel did not evaluate why RUCAM scores were calculated as below 6 for enrolled cases.
  • Evident from design: retrospective discharge-diagnosis searching and incomplete capture at 242 centers may miss DILI cases; extrapolating incidence from 66 complete-capture centers to all mainland China assumes those centers are representative; no hospitals from Hong Kong, Macau, or Taiwan were included.

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Integrity signals

Registry

Crossref · 10.1053/j.gastro.2019.02.002

Cites

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Claims the paper makes

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Show all 102 claims

  • Probably not a substantial claim. 23
  • It may state two separate claims as one. 30
49 of 49
  • The authors state this as an assumption.

    The proportion of DILI in the entire hospitalized population of China is represented by that observed in the 66 centers where DILI capture was complete.

    “Assuming the proportion of DILI in the entire hospitalized population of China was represented by that observed in the 66 centers where DILI capture was complete”
  • The paper relies on this without support.

    The ratio of DILI inpatients to total inpatients in the 66 centers with complete event capture is representative of the ratio in all hospitals in mainland China.

    “The incidence of DILI in the general population was evaluated as (number of DILI inpatients in 66 centers annually ÷ total number of inpatients in 66 centers annually) × (number of inpatients nationwide annually ÷ the general population in mainland China annually).”
  • The paper relies on this without support.

    The 25,927 DILI cases collected from 308 medical centers are representative of hospitalized DILI patients in mainland China.

    “In this study, a total of 25,927 DILI cases among hospitalized patients were collected from 308 medical centers between January 1, 2012 and December 31, 2014 (Figure 1A).”
  • The paper relies on this without support.

    In mainland China, health care of Chinese inhabitants has been covered by the public medical service system, medical insurance system and the rural cooperative medical system since 2003.

    “In mainland China, health care of Chinese inhabitants has been covered by the public medical service system, medical insurance system and the rural cooperative medical system since 2003.”
  • The paper relies on this without support.

    In mainland China, hepatoprotective agents are generally administered to hospitalized patients with DILI.

    “In addition, in mainland China, hepatoprotective agents are generally administered to hospitalized patients with DILI.”
  • The paper relies on this without support.

    The 66 centers that provided all recorded hospitalized DILI cases are representative of all hospitals in mainland China for estimating the proportion of DILI among inpatients.

    “Of the 308 medical centers that participated in this study, only 66 centers provided all recorded hospitalized DILI cases during the three-year observation period and could therefore be used to estimate the proportion of DILI patients among all inpatients.”
  • The paper relies on this without support.

    The gender distribution ratio among TB patients is the expected ratio among DILI patients due to TB treatments if susceptibility to DILI is not affected by gender.

    “Among TB patients, male to female ratio was 2.1:1.32”
  • The paper relies on this without support.

    The 66 centers that provided complete enrollment are representative of all 308 centers and of mainland China for estimating DILI incidence.

    “Of the 308 involved centers, only 66 centers provided all recorded hospitalized DILI cases during 3-year observation (red dots).Thus, DILI cases from these 66 centers were used to assess the diagnostic rate of DILI in this study, since all inpatients were screened for the occurrence of DILI.”
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Metadata

Authors
Shen, T., Liu, Y., Shang, J., Xie, Q., Li, J., Yan, M., Xu, J., Niu, J., Liu, J., Watkins, P. B., Aithal, G. P., Andrade, R. J., Dou, X., Yao, L., Lv, F., Wang, Q., Li, Y., Zhou, X., Zhang, Y., Zong, P., Wan, B., Zou, Z., Yang, D., Nie, Y., Li, D., Wang, Y., Han, X., Zhuang, H., Mao, Y., & Chen, C.
Affiliations
  • Peking University (CN)
  • Shenzhen Third People’s Hospital (CN)
  • Henan Provincial People's Hospital (CN)
  • Shanghai Jiao Tong University (CN)
  • Jiangsu Province Hospital (CN)
  • Qilu Hospital of Shandong University (CN)
  • First Affiliated Hospital of Anhui Medical University (CN)
  • First Hospital of Jilin University (CN)
  • First Affiliated Hospital of Xiamen University (CN)
  • University of North Carolina at Chapel Hill (US)
  • Nottingham University Hospitals NHS Trust (GB)
  • Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (ES)
  • China Medical University (CN)
  • Fujian Medical University (CN)
  • Sir Run Run Shaw Hospital (CN)
  • Shanxi Medical University (CN)
  • Harbin Medical University (CN)
  • Xijing Hospital (CN)
  • Xinjiang Medical University (CN)
  • Jiangxi Chest Hospital (CN)
  • Public Health Clinical Center of Chengdu (CN)
  • 302 Military Hospital of China (CN)
  • Wuhan Union Hospital (CN)
  • Guangzhou First People's Hospital (CN)
  • Fuzhou General Hospital of Nanjing Military Command (CN)
Corresponding author
  • Mao, Yimin
  • Chen, Chengwei
Venue
Gastroenterology
Publisher
Elsevier BV
Published
2019-06
Volume
156
Issue
8
Pages
2230-2241.e11
ISSN
0016-5085 (ISSN-L)
OpenAlex
W2914750127
Cited by
615
References
43
Citations by year
2026: 66 · 2025: 89 · 2024: 95 · 2023: 84 · 2022: 91 · 2021: 82 · 2020: 67 · 2019: 41
FWCI
45.62
Type
journal article
Language
en
Open access
Locations
  • Gastroenterology (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Repository@Nottingham (University of Nottingham) (acceptedVersion, cc-by-nc-nd)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, cc-by-nc-nd)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion, cc-by-nc-nd)
  • RISalud Institutional Health Repository of Andalucía (submittedVersion, cc-by-nc-nd)
  • UNC Libraries
Funders
  • Shanghai Shenkang Hospital Development Center (16CR2009A)
  • School of Medicine, Shanghai Jiao Tong University (DLY201607)
  • National Natural Science Foundation of China (81670524)
Topics
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Drug-Induced Hepatotoxicity and Protection
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Toxicology › Pharmacovigilance and Adverse Drug Reactions
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
drug-induced liver injury, incidence, etiology, hepatocyte injury, cholestatic liver injury, traditional Chinese medicine, herbal and dietary supplements, antitubercular agents, liver failure, liver transplantation, Hy's law, RUCAM, hospitalized patients, China, pharmacovigilance, incidence estimation
MeSH terms
Acute Disease, Adult, Aged, Cause of Death, China, Chronic Disease, Female, Humans, Liver Function Tests, Male, Middle Aged, Registries, Retrospective Studies, Severity of Illness Index, Cohort Studies, Incidence, Survival Rate, Confidence Intervals, Liver Failure, Acute, Age Distribution, Sex Distribution, Risk Assessment, Young Adult, Chemical and Drug Induced Liver Injury, End Stage Liver Disease

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