PMID- 37370771 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20230701 IS - 2072-6694 (Print) IS - 2072-6694 (Electronic) IS - 2072-6694 (Linking) VI - 15 IP - 12 DP - 2023 Jun 13 TI - The Emerging Role of Metformin in the Treatment of Hepatocellular Carcinoma: Is There Any Value in Repurposing Metformin for HCC Immunotherapy? LID - 10.3390/cancers15123161 [doi] LID - 3161 AB - Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related deaths worldwide. There has been significant progress in understanding the risk factors and epidemiology of HCC during the last few decades, resulting in efficient preventative, diagnostic and treatment strategies. Type 2 diabetes mellitus (T2DM) has been demonstrated to be a major risk factor for developing HCC. Metformin is a widely used hypoglycemic agent for patients with T2DM and has been shown to play a potentially beneficial role in improving the survival of patients with HCC. Experimental and clinical studies evaluating the outcomes of metformin as an antineoplastic drug in the setting of HCC were reviewed. Pre-clinical evidence suggests that metformin may enhance the antitumor effects of immune checkpoint inhibitors (ICIs) and reverse the effector T cells' exhaustion. However, there is still limited clinical evidence regarding the efficacy of metformin in combination with ICIs for the treatment of HCC. We appraised and analyzed in vitro and animal studies that aimed to elucidate the mechanisms of action of metformin, as well as clinical studies that assessed its impact on the survival of HCC patients. FAU - Papadakos, Stavros P AU - Papadakos SP AUID- ORCID: 0000-0003-1583-1125 AD - First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece. FAU - Ferraro, Daniele AU - Ferraro D AUID- ORCID: 0000-0002-1022-8864 AD - HPB Surgery and Liver Transplant Unit, AORN A. Cardarelli, 80131 Naples, Italy. FAU - Carbone, Gabriele AU - Carbone G AD - Department of General Surgery and Organ Transplantation, University of Rome "Sapienza", 00161 Rome, Italy. FAU - Frampton, Adam Enver AU - Frampton AE AUID- ORCID: 0000-0002-1392-2755 AD - Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, London W12 0NN, UK. AD - Oncology Section, Surrey Cancer Research Institute, Department of Clinical and Experimental Medicine, FHMS, University of Surrey, The Leggett Building, Daphne Jackson Road, Guildford GU2 7WG, UK. AD - HPB Surgical Unit, Royal Surrey NHS Foundation Trust, Guildford GU2 7XX, UK. FAU - Vennarecci, Giovanni AU - Vennarecci G AD - HPB Surgery and Liver Transplant Unit, AORN A. Cardarelli, 80131 Naples, Italy. FAU - Kykalos, Stylianos AU - Kykalos S AD - Second Department of Propaedeutic Surgery, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece. FAU - Schizas, Dimitrios AU - Schizas D AUID- ORCID: 0000-0002-7046-0112 AD - First Department of Surgery, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece. FAU - Theocharis, Stamatios AU - Theocharis S AD - First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece. FAU - Machairas, Nikolaos AU - Machairas N AUID- ORCID: 0000-0003-3239-3905 AD - Second Department of Propaedeutic Surgery, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece. LA - eng PT - Journal Article PT - Review DEP - 20230613 PL - Switzerland TA - Cancers (Basel) JT - Cancers JID - 101526829 PMC - PMC10295995 OTO - NOTNLM OT - antineoplastic OT - diabetes mellitus OT - hepatocellular carcinoma OT - immunotherapy OT - metformin OT - sorafenib OT - survival COIS- The authors declare no conflict of interest. EDAT- 2023/06/28 06:42 MHDA- 2023/06/28 06:43 PMCR- 2023/06/13 CRDT- 2023/06/28 01:03 PHST- 2023/05/06 00:00 [received] PHST- 2023/06/05 00:00 [revised] PHST- 2023/06/08 00:00 [accepted] PHST- 2023/06/28 06:43 [medline] PHST- 2023/06/28 06:42 [pubmed] PHST- 2023/06/28 01:03 [entrez] PHST- 2023/06/13 00:00 [pmc-release] AID - cancers15123161 [pii] AID - cancers-15-03161 [pii] AID - 10.3390/cancers15123161 [doi] PST - epublish SO - Cancers (Basel). 2023 Jun 13;15(12):3161. doi: 10.3390/cancers15123161.