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Dr. Ashok Kumar Choudhury  
Dr. Ashok Kumar Choudhury
Additional Professor

Dr Ashok Choudhury currently working as Additional Professor of Hepatology and Liver Transplantation at Institute of Liver and Biliary Science (ILBS) New Delhi w.e.f 1st February 2023. He is a hepatologist, transplant physician, a clinical researcher focused on translational Sciences using both pre-clinical, clinical and translational studies. He was graduated from SCB Medical College Cuttack with 3 Gold Medals, 3 Honors and was the Best Graduate of the outgoing batch and an alumnus of ILBS Deemed University. Fellow Observer, Liver Intensive Therapy Unit at Kings College Hospital, London. Visiting Faculty at Division of Gastroenterology, Hepatology and Nutrition, Hum Lee Liver Transplant Centre, Virginia Commonwealth University, Richmond VA USA. Also working closely IIT Delhi for Medical innovations. His academic activities appreciated globally. He is also peer reviewer and academic editor to many reputed medical journals. Currently he is also the Member, Governing Council of Indian National Association for Study of Liver (INASL). He is an able teacher, clinician, dynamic leader with sincerity, gratitude and good moral for the mankind to serve in all the possible way

Number of publications

As an Academician, Researcher and Mentor

  • Young Investigator Award 2017, Asia Pacific Association for Study of Liver, Shanghai China
  • Young Investigator Award 2016, International Liver Transplant Society, Seoul Korea
  • Plenary lecture and Invited faculty to European Association for Study Liver (EAS 2017) Amsterdam, Netherland
  • Outstanding Contribution Award- 2016 and 2018, by international liver Journal of Clinical and Translational Hepatology”
  • Fellow research Award 2014, Best abstract, Plenary presentation- American Association for Study of Live Disease, Boston, USA
  • Full bursary and young investigator (Top 10% abstract)- European Association for Study Liver, 2014
  • Best Graduate of 1998 – 2003 batch. MBBS of Usual University, Bhubaneswar, Orissa with 3 Gold Medals

Academic Editor

  • Journal of clinical and experimental hepatology (JCEH)- Guest Editor
  • Journal of clinical and translational hepatology (JCTH)-Academic Editor
  • World Journal of Gastroenterology (WJG) – Academic Editor
  • Hepatology Forum- Editorial Board Member
  • Cirrhosis and Portal Hypertension- Editorial Board Member
  • National Collaboration (India)

    • Member, Governing Council. Indian National Association for Study of Liver (INASL)
  • International collaboration (Asia Pacific)

    • Asia Pacific Association for Study of Liver (APASL) ACLF Research Consortium (AARC) as the largest database on liver failure as Principal Coordinator
    • Asia Pacific Association for Study of Liver (APASL)COVID Liver Injury Spectrum (APCOLIS) as Principal Investigator
    • Collaborative Investigator India for APASL Hepatology and Oncology (AHOC) Consortium
  • International collaboration (Global)

    • Chronic Liver disease Evolution and Registry for Events and Decompensation (CLEARED) Global Study of Liver Disease Outcomes in Inpatients” as Principal Investigator
    • Organizing Secretary, International Liver Cancer Course by ILBS (2023)
    • Course Coordinator – Asia Pacific Association Study of Liver (APASL) Liver Cancer Preceptorship Program (ALCAP)
Research Int
  • ACLF
  • HCC
  • Liver Transplant
  • Liver Regeneration.
  • Artificial Intelligence
  • Medical Innovation and Product Development
  • Collaborative Research


  • Defining the Golden Window concept from inflammation to Infection in ACLF
  • Criteria of Suitability for liver transplant in ACLF
  • Transplant Window in ACLF
  • Liver failure score (AARC) –most widely used now globally

Total Research Publication & Presentations - 112

Citations - 5340

H Index - 28



Important Publications

  • 1. Bajaj JS, Choudhury AK, Xie Q, Kamath PS, Topazian M, Hayes PC, Torre A, Desalegn H, Idilman R, Cao Z, Alvares-da-Silva MR, George J, Bush BJ, Thacker LR, Wong F; CLEARED Investigators. Global disparities in mortality and liver transplantation in hospitalized patients with cirrhosis: a prospective cohort study for the CLEARED Consortium. Lancet Gastroenterol Hepatol. 2023 May 22:S2468- 1253(23)00098-5. doi: 10.1016/S2468-1253(23)00098-5. Epub ahead of print. PMID: 37230109.
  • 2. Sarin SK, Choudhury A. Acute-on-chronic liver failure: terminology, mechanisms and management. Nat Rev Gastroenterol Hepatol. 2016 Mar;13(3):131-49. PMID: 268377


International Practice Guidelines

  • 3. Sarin SK, Choudhury A, Sharma MK APASL ACLF Research Consortium (AARC) for APASL ACLF working Party. Acute-on-chronic liver failure: consensus recommendations of the Asian Pacific association for the study of the liver (APASL): an update. Hepatol Int. 2019 Jul;13(4):353-390


National Practice Guidelines

  • 4. Anand AC, Nandi B, Acharya SK, Arora A, Babu S, Batra Y, Chawla YK, Chowdhury A, Choudhury A The INASL Task-Force on Acute Liver Failure, INASL Consensus Statement on Acute Liver Failure (Part-1): Epidemiology, Pathogenesis, Presentation and Prognosis, Journal of Clinical and Experimental Hepatology, 1016/ j.jceh.2020.04.012.
  • 5. Anand AC, Nandi B, Acharya SK, Arora A, Babu S, Batra Y, Chawla YK, Chowdhury A, Choudhury A The INASL Task-Force on Acute Liver Failure, INASL Consensus Statement on Acute Liver Failure (Part-2): Management of Acute Liver Failure, Journal of Clinical and Experimental Hepatology, 10.1016/ j.jceh.2020. 04.011.


International Multicenter Study

  • 6. Sharma S, Agarwal S, Saraya A, Choudhury AK,..Sarin SK; APASL ACLF Research Consortium (AARC) for APASL ACLF working party. Identifying the early predictors of non-response to steroids in patients with flare of autoimmune hepatitis causing acute-on-chronic liver failure. Hepatol Int. 2023 Feb 15. doi: 10.1007/s12072-023-10482-4. Epub ahead of print. PMID: 36790652.
  • 7. Maiwall R, Pasupuleti SSR, Choudhury A..Sarin SK AARC score determines outcomes in patients with alcohol-associated hepatitis: a multinational study. Hepatol Int. 2022 Dec 26. doi: 10.1007/s12072- 022-10463-z. Epub ahead of print. PMID: 36571711.
  • 8. Verma N, Choudhury A, Singh V . Sarin S K for APASL ACLF Research Consortium (AARC) for APASL ACLF working Party. APASL-ACLF Research Consortium–Artificial Intelligence (AARC-AI) Model Precisely Predicts Outcomes in Acute-on-Chronic Liver Failure Patients. First published: 07 July 2022
  • 9. Sharma, S., Agarwal, S., Saraya, A, Choudhury A, Mahram M.. Sarin S K APASL ACLF Research Consortium (AARC) for APASL ACLF working Party.for et al. Acute variceal bleeding portends poor outcomes in patients with acute-on-chronic liver failure: a propensity score matched study from the APASL ACLF Research Consortium (AARC). Hepatol Int (2022). 10372-1
  • 10. Thanapirom K, Teerasarntipan T, Treeprasertsuk S, Choudhury A…Sarin S K . for APASL ACLF Research Consortium (AARC) for APASL ACLF working Party. Impact of compensated cirrhosis on survival in patients with acute-on-chronic liver failure. Hep Int 2022;16;1;171-182
  • 11. Choudhury A, Vijayaraghavan R, Maiwall R, Kumar M, Duan Z, Yu C, Hamid SS, Jafri W, Butt AS, Devarbhavi H, Ning Q. ‘First week’is the crucial period for deciding living donor liver transplantation in patients with acute-on-chronic liver failure. Hepatology International. 2021 Oct 4:1-3.
  • 12. Maiwall R, Bajpai M, Choudhury A, Sarin SK; AARC working Party. Therapeutic plasma-exchange improves systemic inflammation and survival in acute- on-chronic liver failure: A propensity- score matched study from AARC. Liver Int. 2021 May;41(5):1083-1096. doi: 10.1111/liv.14806. Epub 2021 Feb 24. PMID: 33529450.
  • 13. Verma N, Dhiman RK, Choudhury A Dynamic assessments of hepatic encephalopathy and ammonia levels predict mortality in acute-on-chronic liver failure. Hepatology international. 2021 Aug;15(4):970-82.
  • 14. Verma N, Dhiman RK, Singh V, Duseja A, Taneja S, Choudhury A, Sharma MK, Eapen CE, Devarbhavi H, Al Mahtab M, Shukla A. Comparative accuracy of prognostic models for short-term mortality in acute-on- chronic liver failure patients: CAP-ACLF. Hepatology International. 2021 Jun;15(3):753-65.
  • 15. Sarin SK, Choudhury A, Lau GK APASL COVID Task Force, APASL COVID Liver Injury Spectrum Study (APCOLIS Study-NCT 04345640). Pre-existing liver disease is associated with poor outcome in patients with SARS CoV2 infection; The APCOLIS Study (APASL COVID-19 Liver Injury Spectrum Study). Hepatol Int. 2020 Sep;14(5):690-700. doi: 10.1007/s12072-020-10072-8. Epub 2020 Jul 4. PMID: 32623632; PMCID: PMC7334898.
  • 16. Duseja A, De A, Taneja S, Choudhury A APASL ACLF Working Party, APASL ACLF Research Consortium (AARC). Impact of metabolic risk factors on the severity and outcome of patients with alcohol-associated acute-on-chronic liver failure. Liver Int. 2021 Jan;41(1):150-157. doi: 10.1111/liv.14671. PMID: 32970356.
  • 17. Chen T, Yang Z, Choudhury A Complications constitute a major risk factor for mortality in hepatitis B virus-related acute-on-chronic liver failure patients: a multi-national study from the Asia-Pacific region. Hepatol Int. 2019 Oct 24. doi: 10.1007/s12072-019-09992-x. PMID: 31650510
  • 18. Devarbhavi H, Choudhury A, Sharma MK APASL ACLF working party. Drug-Induced Acute-on- Chronic Liver Failure in Asian Patients. Am J Gastroenterol. 2019 Jun;114(6):929-937. doi: 10.14309/ajg.0000000000000201. PMID: 31021832.
  • 19. Anand L, Choudhury A, Bihari C APASL ACLF (AARC) working party. Flare of Autoimmune Hepatitis causing acute on chronic liver failure (ACLF): diagnosis and response to corticosteroid therapy. Hepatology. 2018 Aug 16. doi: 10.1002/hep.30205. [Epub ahead of print]. PMID: 30113706
  • 20. Choudhury A, A Jindal, R Maiwall for the APASL ACLF Working Party. Liver failure determines the outcome in patients of Acute-on-Chronic Liver Failure (ACLF)- comparison of APASL-ACLF Research Consortium (AARC) and CLIF-SOFA model. Hepatol Int. 2017 Aug. PMID: 28856540
  • 21. Saha BK, Mahtab MA, Akbar SMF, Noor-E-Alam SM, Mamun AA, Hossain SMS, Alam MA, Moben AL, Khondaker FA, Chowdhury FI, Raihan R, Rahman S, Choudhury A; APASL ACLF working party. Therapeutic implications of granulocyte colony stimulating factor in patients with acute-on-chronic liver failure: increased survival and containment of liver damage. Hepatol Int. 2017 Aug 24. doi: 10.1007/s12072-017- 9814-1. [Epub ahead of print] PMID: 28840583
  • 22. Maiwall R, Sarin SK, Choudhury A APASL ACLF Research Consortium (AARC) working party. Development of Predisposition,Injury ,Response,Organ failure model for predicting acute kidney injury in acute on chronic liver failure. Liver Int. 2017 Apr 10. doi: 10.1111/liv.13443. [Epub ahead of print]. PMID: 28393476
  • 23. Choudhury A, Kumar M, Sharma BC APASL ACLF working party. Systemic Inflammatory Response Syndrome in Acute on Chronic Liver Failure- Relevance of 'Golden Window'- a Prospective Study. J Gastroenterol Hepatol. 2017 Apr 3. doi: 10.1111/jgh.13799. [Epub ahead of print] PMID: 28374414

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