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Liu S, Zhou Y, Wang Y, Li CB, Wang W, Lu X, Liu P, Hu QH, Wen Y. The Correlated Risk Factors for Severe Liver Damage Among HIV-Positive Inpatients With Abnormal Liver Tests. Front Med (Lausanne) 2022; 9:817370. [PMID: 35273978 PMCID: PMC8901992 DOI: 10.3389/fmed.2022.817370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/31/2022] [Indexed: 12/04/2022] Open
Abstract
Background: This study investigated the factors correlated with severe liver damage among HIV-infected inpatients. Methods: We retrospectively collected the first hospitalized HIV-infected patients in the Department of Infectious Disease of the First Affiliated Hospital of China Medical University from January 1, 2010, to December 31, 2019. We used multivariate logistic regression to identify the factors associated with severe liver damage. Results: A total of 493 patients with abnormal liver tests were recruited. Among 63 cases (12.8%) with severe liver injury, drug-induced liver injury (DILI) identified by the updated Roussel Uclaf Causality Assessment Method (RUCAM) score as the direct cause was found in 43 cases. Anti-tuberculosis drug (ATD) exposure [adjusted odds ratio (aOR) = 1.835, 95% confidence interval (CI): 1.031–3.268], cotrimoxazole exposure (aOR = 2.775, 95% CI: 1.511–5.096), comorbidity of viral hepatitis (aOR = 2.340, 95% CI: 1.161–4.716), alcohol consumption history (aOR = 2.392, 95% CI: 1.199–4.769), and thrombocytopenia (aOR = 2.583, 95% CI:1.127–5.917) were associated with severe liver injury (all P < 0.05). Conclusions: DILI was the predominant cause of severe liver damage, followed by hepatitis virus co-infection. For patients with alcohol consumption and thrombocytopenia, frequent monitoring of liver function tests should be considered.
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Affiliation(s)
- Sheng Liu
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Ying Zhou
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yu Wang
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Cheng Bo Li
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Wen Wang
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xu Lu
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Pei Liu
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Qing Hai Hu
- Key Laboratory of AIDS Immunology of Ministry of Health, Department of Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Ying Wen
- Infectious Diseases Department, The First Affiliated Hospital of China Medical University, Shenyang, China
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Herb-Induced Liver Injury—A Challenging Diagnosis. Healthcare (Basel) 2022; 10:healthcare10020278. [PMID: 35206892 PMCID: PMC8872293 DOI: 10.3390/healthcare10020278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/23/2022] [Accepted: 01/27/2022] [Indexed: 12/02/2022] Open
Abstract
Herb-induced liver injury (HILI) can be caused by supplements containing herbs, natural products, and products used in traditional medicine. Herbal products’ most common adverse reaction is hepatotoxicity. Almost every plant part can be used to make herbal products, and these products can come in many different forms, such as teas, powders, oils, creams, capsules, and injectables. HILI incidence and prevalence are hard to estimate and vary from study to study because of insufficient large-scale prospective studies. The diagnosis of HILI is a challenging process that requires not only insight but also a high degree of suspicion by the clinician. HILI presents with unspecific symptoms and is a diagnosis of exclusion. For diagnosis, it is necessary to make a causality assessment; the Council for International Organizations of Medical Sciences assessment is the preferred method worldwide. The most effective treatment is the suspension of the use of the suspected herbal product and close monitoring of liver function. The objective of this review is to highlight the necessary steps for the clinician to follow to reach a correct diagnosis of herb-induced liver injury. Further studies of HILI are needed to better understand its complexity and prevent increased morbidity and mortality.
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Teschke R, Eickhoff A, Schulze J, Danan G. Herb-induced liver injury (HILI) with 12,068 worldwide cases published with causality assessments by Roussel Uclaf Causality Assessment Method (RUCAM): an overview. Transl Gastroenterol Hepatol 2021; 6:51. [PMID: 34423172 PMCID: PMC8343418 DOI: 10.21037/tgh-20-149] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 04/13/2020] [Indexed: 12/11/2022] Open
Abstract
Herbal products including herbal medicines are worldwide used in large amounts for treating minor ailments and for disease prevention. However, efficacy of most herbal products has rarely been well documented through randomized controlled trials in line with evidence-based medicine concepts, which could be used to estimate the benefit/risk ratio. Instead, much better documented are adverse reactions such as liver injury associated with the consumption of some herbal products, so called herb-induced liver injury (HILI), which represents a clinical challenge. In order to establish HILI as valid diagnosis, the use of a diagnostic algorithms such as Roussel Uclaf Causality Assessment Method (RUCAM) is widely recommended, although physicians in some countries are reluctant to use RUCAM for their HILI cases. This review on worldwide HILI and RUCAM, developed as part of the artificial intelligence ideas, reveals that China is the leading country with 24 publications on HILI cases that were all assessed for causality using RUCAM, followed by Korea with 15 reports, Germany with 9 reports, the US with 7 reports, and Spain with 6 reports, whereas the remaining countries provided less than 4 reports. The total number of assessed HILI cases is 12,068 worldwide derived from 80 publications but in each report HILI case numbers were variable in a range from 1 up to 6,971. This figure compares with 46,266 cases of drug-induced liver injury (DILI) published worldwide from 2014 to early 2019 also assessed for causality by RUCAM. The original version of RUCAM was validated and established in 1993 and updated in 2016 that should be used in future HILI cases. RUCAM is an objective, structured, and validated method, specifically designed for liver injury. It is a scoring system including case data elements to be assessed and scored individually to provide a final score in five causality gradings. Among the 11,404/12,068 HILI (94.5%) cases assessable for evaluation, causality gradings were highly probable in 4.2%, probable in 15.5%, possible in 70.3%, and unlikely or excluded in 10.0%. To improve the future reporting of RUCAM based HILI cases, recommendations include the strict adherence to instructions outlined in the updated RUCAM and, in particular, to follow prospective data collection on the cases to ensure completeness of case data. In conclusion, RUCAM can well be used to assess causality in suspected HILI cases, and additional efforts are now required to increase the quality of the reported cases.
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Affiliation(s)
- Rolf Teschke
- Division of Gastroenterology and Hepatology, Department of Internal Medicine II, Klinikum Hanau, Hanau, Academic Teaching Hospital of the Medical Faculty, Goethe University Frankfurt/ Main, Frankfurt/Main, Germany
| | - Axel Eickhoff
- Division of Gastroenterology and Hepatology, Department of Internal Medicine II, Klinikum Hanau, Hanau, Academic Teaching Hospital of the Medical Faculty, Goethe University Frankfurt/ Main, Frankfurt/Main, Germany
| | - Johannes Schulze
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, Frankfurt/Main, Germany
| | - Gaby Danan
- Pharmacovigilance consultancy, Paris, France
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Ballotin VR, Bigarella LG, Brandão ABDM, Balbinot RA, Balbinot SS, Soldera J. Herb-induced liver injury: Systematic review and meta-analysis. World J Clin Cases 2021; 9:5490-5513. [PMID: 34307603 PMCID: PMC8281430 DOI: 10.12998/wjcc.v9.i20.5490] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/03/2021] [Accepted: 05/25/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The use of herbal supplements and alternative medicines has been increasing in the last decades. Despite popular belief that the consumption of natural products is harmless, herbs might cause injury to various organs, particularly to the liver, which is responsible for their metabolism in the form of herb-induced liver injury (HILI).
AIM To identify herbal products associated with HILI and describe the type of lesion associated with each product.
METHODS Studies were retrieved using Medical Subject Headings Descriptors combined with Boolean operators. Searches were run on the electronic databases Scopus, Web of Science, MEDLINE, BIREME, LILACS, Cochrane Library for Systematic Reviews, SciELO, Embase, and Opengray.eu. Languages were restricted to English, Spanish, and Portuguese. There was no date of publication restrictions. The reference lists of the studies retrieved were searched manually. To access causality, the Maria and Victorino System of Causality Assessment in Drug Induced Liver Injury was used. Simple descriptive analysis were used to summarize the results.
RESULTS The search strategy retrieved 5918 references. In the final analysis, 446 references were included, with a total of 936 cases reported. We found 79 types of herbs or herbal compounds related to HILI. He-Shou-Wu, Green tea extract, Herbalife, kava kava, Greater celandine, multiple herbs, germander, hydroxycut, skullcap, kratom, Gynura segetum, garcinia cambogia, ma huang, chaparral, senna, and aloe vera were the most common supplements with HILI reported. Most of these patients had complete clinical recovery (82.8%). However, liver transplantation was necessary for 6.6% of these cases. Also, chronic liver disease and death were observed in 1.5% and 10.4% of the cases, respectively.
CONCLUSION HILI is normally associated with a good prognosis, once the implied product is withdrawn. Nevertheless, it is paramount to raise awareness in the medical and non-medical community of the risks of the indiscriminate use of herbal products.
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Affiliation(s)
| | | | - Ajacio Bandeira de Mello Brandão
- Post-Graduate Program in Medicine, Division of Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre 90050-110, RS, Brazil
| | - Raul Angelo Balbinot
- Department of Clinical Gastroenterology, Universidade de Caxias do Sul, Caxias do Sul 95070-560, RS, Brazil
| | - Silvana Sartori Balbinot
- Department of Clinical Gastroenterology, Universidade de Caxias do Sul, Caxias do Sul 95070-560, RS, Brazil
| | - Jonathan Soldera
- Department of Clinical Gastroenterology, Universidade de Caxias do Sul, Caxias do Sul 95070-560, RS, Brazil
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Wang Q, Huang A, Wang JB, Zou Z. Chronic Drug-Induced Liver Injury: Updates and Future Challenges. Front Pharmacol 2021; 12:627133. [PMID: 33762948 PMCID: PMC7982586 DOI: 10.3389/fphar.2021.627133] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 01/25/2021] [Indexed: 12/17/2022] Open
Abstract
Chronic drug-induced liver injury (DILI), defined as DILI with persistent liver injury more than one year after the first onset by the latest European guidelines, is a notable challenge globally with big issues of defining causality and establishing effective treatment. About 20% of patients with DILI develop into chronic DILI. Chronic DILI manifests as persistent or repeated inflammatory or diminishing bile ducts, even progresses to cirrhosis and needs liver transplantation eventually. However, research on chronic DILI over the last decades is still lacking, and the incidence, phenotypes, mechanisms, risk factors, and treatment have not been fully understood. In this paper, we reviewed the definition of chronic DILI, updated clinical studies in terms of incidence, special manifestations, and promising risk factors of chronic DILI, along with the recent progress and challenges in glucocorticoid therapy.
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Affiliation(s)
- Qiaoling Wang
- Peking University 302 Clinical Medical School, Beijing, China.,Department of Liver Disease of Chinese PLA General Hospital, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ang Huang
- Department of Liver Disease of Chinese PLA General Hospital, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jia-Bo Wang
- Department of Liver Disease of Chinese PLA General Hospital, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China.,School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Zhengsheng Zou
- Peking University 302 Clinical Medical School, Beijing, China.,Department of Liver Disease of Chinese PLA General Hospital, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
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6
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Teschke R, Danan G. Worldwide Use of RUCAM for Causality Assessment in 81,856 Idiosyncratic DILI and 14,029 HILI Cases Published 1993-Mid 2020: A Comprehensive Analysis. MEDICINES (BASEL, SWITZERLAND) 2020; 7:E62. [PMID: 33003400 PMCID: PMC7600114 DOI: 10.3390/medicines7100062] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/23/2020] [Accepted: 09/25/2020] [Indexed: 04/12/2023]
Abstract
Background: A large number of idiosyncratic drug induced liver injury (iDILI) and herb induced liver injury(HILI) cases of variable quality has been published but some are a matter of concern if the cases were not evaluated for causality using a robust causality assessment method (CAM) such as RUCAM (Roussel Uclaf Causality Assessment Method) as diagnostiinjuryc algorithm. The purpose of this analysis was to evaluate the worldwide use of RUCAM in iDILI and HILI cases. Methods: The PubMed database (1993-30 June 2020) was searched for articles by using the following key terms: Roussel Uclaf Causality Assessment Method; RUCAM; Idiosyncratic drug induced liver injury; iDILI; Herb induced liver injury; HILI. Results: Considering reports published worldwide since 1993, our analysis showed the use of RUCAM for causality assessment in 95,885 cases of liver injury including 81,856 cases of idiosyncratic DILI and 14,029 cases of HILI. Among the top countries providing RUCAM based DILI cases were, in decreasing order, China, the US, Germany, Korea, and Italy, with China, Korea, Germany, India, and the US as the top countries for HILI. Conclusion: Since 1993 RUCAM is certainly the most widely used method to assess causality in IDILI and HILI. This should encourage practitioner, experts, and regulatory agencies to use it in order to reinforce their diagnosis and to take sound decisions.
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Affiliation(s)
- Rolf Teschke
- Department of Internal Medicine II, Division of Gastroenterology and Hepatology, Klinikum Hanau, D-63450 Hanau, Teaching Hospital of the Medical Faculty of the Goethe University, D-60590 Frankfurt/Main, Germany
| | - Gaby Danan
- Pharmacovigilance Consultancy, F-75020 Paris, France;
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7
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Teschke R, Zhu Y, Jing J. Herb-induced Liver Injury in Asia and Current Role of RUCAM for Causality Assessment in 11,160 Published Cases. J Clin Transl Hepatol 2020; 8:200-214. [PMID: 32832401 PMCID: PMC7438347 DOI: 10.14218/jcth.2020.00009] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/05/2020] [Accepted: 03/31/2020] [Indexed: 12/13/2022] Open
Abstract
Herb-induced liver injuries (HILI) by traditional herbal medicines are particular challenges in Asian countries, with issues over the best approach to establish causality. The aim of the current analysis was to provide an overview on how causality was assessed in HILI cases from Asian countries and whether the Roussel Uclaf Causality Assessment Method (RUCAM) was the preferred diagnostic algorithm, as shown before in worldwide evaluated cases of drug-induced liver injury (DILI). Using the PubMed database, publications in English language were preferred to allow for reevaluation by peers. Overall 11,160 HILI cases have assessed causality using RUCAM and were published by first authors working in Asian countries. With 21 evaluable reports, most publications came from mainland China, with Hong Kong and Taiwan, followed by Korea (n=15), Singapore (n=2), and Japan (n=1), while other Asian countries were not contributory. Most publications provided case and RUCAM data of good quality. For better presentation of future cases, however, the following recommendations are given: (1) preference of prospective study design with use of the updated RUCAM version; (2) clear separation of HILI cohorts from those of other herbal products or DILI; (3) case series for epidemiology studies should contain many essential data, possibly also as supplementary material; (4) otherwise, preference of single case reports providing individual case data and RUCAM-based causality gradings, and applying liver test threshold values; and (5) publication in English language journals. In conclusion, China and Korea are top in presenting RUCAM-based HILI cases, other Asian countries are encouraged to follow.
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Affiliation(s)
- Rolf Teschke
- Department of Internal Medicine II, Division of Gastroenterology and Hepatology, Klinikum Hanau, Hanau, Academic Teaching Hospital of the Medical Faculty, Goethe University Frankfurt/ Main, Frankfurt/Main, Germany
- Correspondence to: Rolf Teschke, Department of Internal Medicine II, Klinikum Hanau, Teaching Hospital of the Goethe University of Frankfurt/Main, Leimenstrasse 20, D-63450 Hanau, Germany. Tel: +49-6181-21859, Fax: +49-6181-2964211, E-mail:
| | - Yun Zhu
- The Fifth Medical Center, General Hospital of PLA, Beijing, China
| | - Jing Jing
- The Fifth Medical Center, General Hospital of PLA, Beijing, China
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Teschke R, Eickhoff A, Brown AC, Neuman MG, Schulze J. Diagnostic Biomarkers in Liver Injury by Drugs, Herbs, and Alcohol: Tricky Dilemma after EMA Correctly and Officially Retracted Letter of Support. Int J Mol Sci 2019; 21:ijms21010212. [PMID: 31892250 PMCID: PMC6981464 DOI: 10.3390/ijms21010212] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 12/21/2019] [Accepted: 12/23/2019] [Indexed: 02/07/2023] Open
Abstract
Liver injuries caused by the use of exogenous compounds such as drugs, herbs, and alcohol are commonly well diagnosed using laboratory tests, toxin analyses, or eventually reactive intermediates generated during metabolic degradation of the respective chemical in the liver and subject to covalent binding by target proteins. Conditions are somewhat different for idiosyncratic drug induced liver injury (DILI), for which metabolic intermediates as diagnostic aids are rarely available. Although the diagnosis of idiosyncratic DILI can well be established using the validated, liver specific, structured, and quantitative RUCAM (Roussel Uclaf Causality Assessment Method), there is an ongoing search for new diagnostic biomarkers that could assist in and also confirm RUCAM-based DILI diagnoses. With respect to idiosyncratic DILI and following previous regulatory letters of recommendations, selected biomarkers reached the clinical focus, including microRNA-122, microRNA-192, cytokeratin analogues, glutamate dehydrogenase, total HMGB-1 (High Mobility Group Box), and hyperacetylated HMGB-1 proteins. However, the new parameters total HMGB-1, and even more so the acetylated HMGB-1, came under critical scientific fire after misconduct at one of the collaborating partner centers, leading the EMA to recommend no longer the exploratory hyperacetylated HMGB1 isoform biomarkers in clinical studies. The overall promising nature of the recommended biomarkers was considered by EMA as highly dependent on the outstanding results of the now incriminated biomarker hyperacetylated HMGB-1. The EMA therefore correctly decided to officially retract its Letter of Support affecting all biomarkers listed above. New biomarkers are now under heavy scrutiny that will require re-evaluations prior to newly adapted recommendations. With Integrin beta 3 (ITGB3), however, a new diagnostic biomarker may emerge, possibly being drug specific but tested in only 16 patients; due to substantial remaining uncertainties, final recommendations would be premature. In conclusion, most of the currently recommended new biomarkers have lost regulatory support due to scientific misconduct, requiring now innovative approaches and re-evaluation before they can be assimilated into clinical practice.
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Affiliation(s)
- Rolf Teschke
- Department of Internal Medicine II, Division of Gastroenterology and Hepatology, Klinikum Hanau, Academic Teaching Hospital of the Medical Faculty, Goethe University Frankfurt/Main, D-63450 Hanau, Germany;
- Correspondence: ; Tel.: +49-6181-21859; Fax: +49-6181-2964211
| | - Axel Eickhoff
- Department of Internal Medicine II, Division of Gastroenterology and Hepatology, Klinikum Hanau, Academic Teaching Hospital of the Medical Faculty, Goethe University Frankfurt/Main, D-63450 Hanau, Germany;
| | - Amy C. Brown
- Department of Complementary and Integrative Medicine, University of Hawai’i at Manoa, Honolulu, HI 96813, USA;
| | - Manuela G. Neuman
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M2 R1 W6, Canada;
| | - Johannes Schulze
- Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt/Main, D-60590 Frankfurt/Main, Germany;
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Philips CA, Augustine P, Rajesh S, Y PK, Madhu D. Complementary and Alternative Medicine-related Drug-induced Liver Injury in Asia. J Clin Transl Hepatol 2019; 7:263-274. [PMID: 31608219 PMCID: PMC6783675 DOI: 10.14218/jcth.2019.00024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/12/2019] [Accepted: 08/13/2019] [Indexed: 02/07/2023] Open
Abstract
The use of complementary and alternative medicines (CAMs) for treatment of acute and chronic diseases is on the rise world over, especially in Asian countries, and mostly in China and India. Drug-induced liver injury (DILI) due to CAM is increasingly reported in the literature from multiple centers all around the world and with large-number patient series published from the West, mostly based on nation-wide DILI networks and multicenter collaboration. Comprehensive DILI networks are lacking among major Asian countries with high incidence of CAM practices. Chinese medical societies dealing with drug toxicity, CAM practice and hepatobiliary disease have adopted an integrated approach to establishing identification, diagnosis and treatment of CAM-related DILI, representing a systematic approach that could be iterated by other countries for improving patient outcomes. In this exhaustive review, we provide published data on CAM-related DILI in Asia, with detail on incidences along with analysis of patient population and their clinical outcomes. Concise and clear discussion on commonly implicated CAM agents in major Asian countries and associated chemical and toxicology analyses as well as descriptions of liver biopsy findings are discussed with future directions.
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Affiliation(s)
- Cyriac Abby Philips
- The Liver Unit and Monarch Liver Lab, Cochin Gastroenterology Group, Ernakulam Medical Centre, Kochi, Kerala, India
- *Correspondence to: Cyriac Abby Philips, Philip Augustine Associates, 35/194 B, Symphony, Automobile Rd, Palarivattom, Kochi, Kerala 682025, India. E-mail:
| | - Philip Augustine
- Gastroenterology, Cochin Gastroenterology Group, Ernakulam Medical Centre, Kochi, Kerala, India
| | - Sasidharan Rajesh
- Interventional Radiology, Cochin Gastroenterology Group, Ernakulam Medical Centre, Kochi, Kerala, India
| | - Praveen Kumar Y
- Gastroenterology, Government Medical College, Thrissur, Kerala, India
| | - Deepak Madhu
- Gastroenterology, Aster MIMS, Calicut, Kerala, India
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