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Assessing the impact of direct-acting antivirals on hepatitis C complications: a systematic review and meta-analysis

Yew KC, Tan QR, Lim PC, Low WY, Lee CY

Naunyn Schmiedebergs Arch Pharmacol, 2024 Mar;397(3):1421-1431.
PMID: 37728622 DOI: 10.1007/s00210-023-02716-x

Direct-acting antivirals (DAA) have become the treatment of choice for hepatitis C. Nevertheless, efficacy of DAA in preventing hepatitis C complications remains uncertain. We evaluated the impact of DAA on hepatocellular carcinoma (HCC) occurrence and recurrence, all-cause mortality, liver decompensation and liver transplantation as compared to non-DAA treated hepatitis C and the association to baseline liver status. A systematic search for articles from March 1993 to March 2022 was conducted using three electronic databases. Randomized, case-control and cohort studies with comparison to non-DAA treatment and reporting at least one outcome were included. Meta-analysis and sub-group meta-analysis based on baseline liver status were performed. Of 1497 articles retrieved, 19 studies were included, comprising of 266,310 patients (56.07% male). DAA reduced HCC occurrence significantly in non-cirrhosis (RR 0.80, 95% CI 0.69-0.92) and cirrhosis (RR 0.39, 95% CI 0.24-0.64) but not in decompensated cirrhosis. DAA treatment lowered HCC recurrence (RR 0.71, 95% CI 0.55-0.92) especially in patients with baseline HCC and waiting for liver transplant. DAA also reduced all-cause mortality (RR 0.43, 95% CI 0.23-0.78) and liver decompensation (RR 0.52, 95% CI 0.33-0.83) significantly. However, DAA did not prevent liver transplantation. The study highlighted the importance of early DAA initiation in hepatitis C treatment for benefits beyond sustained virological response. DAA therapy prevented HCC particularly in non-cirrhosis and compensated cirrhosis groups indicating benefits in preventing further worsening of liver status. Starting DAA early also reduced HCC recurrence, liver decompensation, and all-cause mortality.

Matched MeSH terms: Liver Cirrhosis/drug therapy
Cyclosporine rescue therapy in autoimmune liver cirrhosis: a case report

Wah-Kheong C, Jaganathan V, Sanjiv M

Turk J Gastroenterol, 2012;23(5):599-603.
PMID: 23161309

Autoimmune hepatitis is an inflammatory condition of the liver that can lead to significant morbidity and mortality. Corticosteroids with or without azathioprine have been shown to improve outcome and are the current standard of care in autoimmune hepatitis patients. However, long-term use of corticosteroids and use of azathioprine could be associated with significant adverse effects that prevent their continued use at optimal dosages or may even require complete cessation. We present a patient with autoimmune liver cirrhosis who was intolerant of corticosteroid and azathioprine, who was successfully treated with cyclosporine. To our knowledge, cyclosporine use has not been reported previously in autoimmune cirrhosis, although it has been used in autoimmune hepatitis patients with reported success and good tolerability. We conclude that cyclosporine seems to be an effective alternative to azathioprine as a steroid-sparing agent in both non-cirrhotic and cirrhotic autoimmune hepatitis.

Matched MeSH terms: Liver Cirrhosis/drug therapy*
In vivo hepatoprotective effect of Morinda elliptica stem extract against liver fibrosis induced by thioacetamide

Bradosty SW, Hamad SW, Agha NFS, Shaikh FK, Qadir Nanakali NM, Aziz PY, et al.

Environ Toxicol, 2021 Dec;36(12):2404-2413.
PMID: 34436826 DOI: 10.1002/tox.23353

Morinda elliptica L. (Rubiaceae) is a phytomedicinal herb, used to treat gastrointestinal complications in Peninsular Malaysia. The study evaluates the in vivo hepatoprotective activity of ethanolic extract of M. elliptica stem in thioacetamide (TAA) induced liver fibrosis in male Sprague Drawly rats. Thirty adult rats were divided into five groups of six rats each. Rats of the normal control group received intraperitoneal injections (i. p.) of vehicle 10% Tween-20, 5 ml/kg, and hepatotoxic group 200 mg/kg TAA three times per week respectively. Three supplementary groups were treated with TAA plus daily oral silymarin (50 mg/kg) or M. elliptica (250 or 500 mg/kg). After 8 weeks of treatment, all rats were sacrificed. Liver fibrosis was assessed by gross macroscopic and microscopic tissue analysis, histopathological, and biochemical analysis. The livers of the TAA treated group showed uniform coarse granules, hepatocytic necrosis with lymphocytes infiltration. Contrary, the livers of M. elliptica treated groups (250 and 500 mg/kg) were much smoother and the cell damage was much lesser. The livers of M. elliptica treated groups rats showed elevated activity of SOD and CAT with a significant decrease in MDA level at p liver damage parameters, that is, ALP, ALT, and AST, bilirubin, total protein, and albumin were restored to the normal comparable to silymarin. M. elliptica stem extract significantly promoted normal rat liver architecture with significant perfections in biochemical parameters. The molecular contents of M. elliptica with hepatoprotective influence could be discovered, is the future prospective of this study.

Matched MeSH terms: Liver Cirrhosis/drug therapy
Clinical and patient-reported outcome profile of patients with hepatitis B viral infection from the Global Liver Registry™

Younossi ZM, Yu ML, Yilmaz Y, Alswat KA, Buti M, Fernandez MIC, et al.

J Viral Hepat, 2023 Apr;30(4):335-344.
PMID: 36601668 DOI: 10.1111/jvh.13800

Chronic hepatitis B (CHB) infection is one of the most common causes of cirrhosis and liver cancer worldwide. Our aim was to assess clinical and patient-reported outcome (PRO) profile of CHB patients from different regions of the world using the Global Liver Registry. The CHB patients seen in real-world practices are being enrolled in the Global Liver Registry. Clinical and PRO (FACIT-F, CLDQ, WPAI) data were collected and compared to baseline data from CHB controls from clinical trials. The study included 1818 HBV subjects (48 ± 13 years, 58% male, 14% advanced fibrosis, 7% cirrhosis) from 15 countries in 6/7 Global Burden of Disease super-regions. The rates of advanced fibrosis varied (3-24%). The lowest PRO scores across multiple domains were in HBV subjects from the Middle East/North Africa (MENA), the highest - Southeast/East and South Asia. Subjects with advanced fibrosis had PRO impairment in 3 CLDQ domains, Activity of WPAI (p liver had more PRO impairments. In multivariate analysis adjusted for location, predictors of PRO impairment in CHB included female sex, advanced fibrosis, and non-hepatic comorbidities (p Liver Registry patients, 242 controls from clinical trials had better PRO scores (Abdominal, Emotional, and Systemic scores of CLDQ, all domains of WPAI) (p Liver Registry vs. clinical trials) were no longer significant (all p > 0.10). The clinico-demographic portrait of CHB patients varies across regions of the world and enrollment settings. Advanced fibrosis and non-hepatic comorbidities are independently associated with PRO impairment in CHB patients.

Matched MeSH terms: Liver Cirrhosis/drug therapy
Chronic hepatitis B virus infection

Seto WK, Lo YR, Pawlotsky JM, Yuen MF

Lancet, 2018 11 24;392(10161):2313-2324.
PMID: 30496122 DOI: 10.1016/S0140-6736(18)31865-8

Chronic hepatitis B virus infection is a global public health threat that causes considerable liver-related morbidity and mortality. It is acquired at birth or later via person-to-person transmission. Vaccination effectively prevents infection and chronic hepatitis B virus carriage. In chronically infected patients, an elevated serum hepatitis B virus DNA concentration is the main risk factor for disease progression, although there are other clinical and viral parameters that influence disease outcomes. In addition to liver biochemistry, virological markers, and abdominal ultrasonography, non-invasive assessment of liver fibrosis is emerging as an important assessment modality. Long-term nucleos(t)ide-analogue therapy is safe and well tolerated, achieves potent viral suppression, and reduces the incidence of liver-related complications. However, a need to optimise management remains. Promising novel therapies are at the developmental stage. With current vaccines, therapies, and an emphasis on improving linkage to care, WHO's goal of eliminating hepatitis B virus as a global health threat by 2030 is achievable.

Matched MeSH terms: Liver Cirrhosis/drug therapy*
Fulltext Boceprevir early-access for advanced-fibrosis/cirrhosis in Asia-Pacific hepatitis C virus genotype 1 non-responders/relapsers

Sukeepaisarnjaroen W, Pham T, Tanwandee T, Nazareth S, Galhenage S, Mollison L, et al.

World J Gastroenterol, 2015 Jul 28;21(28):8660-9.
PMID: 26229408 DOI: 10.3748/wjg.v21.i28.8660

To examined the efficacy and safety of treatment with boceprevir, PEGylated-interferon and ribavirin (PR) in hepatitis C virus genotype 1 (HCVGT1) PR treatment-failures in Asia.

Matched MeSH terms: Liver Cirrhosis/drug therapy*
Fulltext Efficacy and safety of ravidasvir plus sofosbuvir in patients with chronic hepatitis C infection without cirrhosis or with compensated cirrhosis (STORM-C-1): interim analysis of a two-stage, open-label, multicentre, single arm, phase 2/3 trial

Andrieux-Meyer I, Tan SS, Thanprasertsuk S, Salvadori N, Menétrey C, Simon F, et al.

Lancet Gastroenterol Hepatol, 2021 Jun;6(6):448-458.
PMID: 33865507 DOI: 10.1016/S2468-1253(21)00031-5

BACKGROUND: In low-income and middle-income countries, affordable direct-acting antivirals are urgently needed to treat hepatitis C virus (HCV) infection. The combination of ravidasvir, a pangenotypic non-structural protein 5A (NS5A) inhibitor, and sofosbuvir has shown efficacy and safety in patients with chronic HCV genotype 4 infection. STORM-C-1 trial aimed to assess the efficacy and safety of ravidasvir plus sofosbuvir in a diverse population of adults chronically infected with HCV.
METHODS: STORM-C-1 is a two-stage, open-label, phase 2/3 single-arm clinical trial in six public academic and non-academic centres in Malaysia and four public academic and non-academic centres in Thailand. Patients with HCV with compensated cirrhosis (Metavir F4 and Child-Turcotte-Pugh class A) or without cirrhosis (Metavir F0-3) aged 18-69 years were eligible to participate, regardless of HCV genotype, HIV infection status, previous interferon-based HCV treatment, or source of HCV infection. Once daily ravidasvir (200 mg) and sofosbuvir (400 mg) were prescribed for 12 weeks for patients without cirrhosis and for 24 weeks for those with cirrhosis. The primary endpoint was sustained virological response at 12 weeks after treatment (SVR12; defined as HCV RNA <12 IU/mL in Thailand and HCV RNA <15 IU/mL in Malaysia at 12 weeks after the end of treatment). This trial is registered with ClinicalTrials.gov, number NCT02961426, and the National Medical Research Register of Malaysia, NMRR-16-747-29183.
FINDINGS: Between Sept 14, 2016, and June 5, 2017, 301 patients were enrolled in stage one of STORM-C-1. 98 (33%) patients had genotype 1a infection, 27 (9%) had genotype 1b infection, two (1%) had genotype 2 infection, 158 (52%) had genotype 3 infection, and 16 (5%) had genotype 6 infection. 81 (27%) patients had compensated cirrhosis, 90 (30%) had HIV co-infection, and 99 (33%) had received previous interferon-based treatment. The most common treatment-emergent adverse events were pyrexia (35 [12%]), cough (26 [9%]), upper respiratory tract infection (23 [8%]), and headache (20 [7%]). There were no deaths or treatment discontinuations due to serious adverse events related to study drugs. Of the 300 patients included in the full analysis set, 291 (97%; 95% CI 94-99) had SVR12. Of note, SVR12 was reported in 78 (96%) of 81 patients with cirrhosis and 153 (97%) of 158 patients with genotype 3 infection, including 51 (96%) of 53 patients with cirrhosis. There was no difference in SVR12 rates by HIV co-infection or previous interferon treatment.
INTERPRETATION: In this first stage, ravidasvir plus sofosbuvir was effective and well tolerated in this diverse adult population of patients with chronic HCV infection. Ravidasvir plus sofosbuvir has the potential to provide an additional affordable, simple, and efficacious public health tool for large-scale implementation to eliminate HCV as a cause of morbidity and mortality.
FUNDING: National Science and Technology Development Agency, Thailand; Department of Disease Control, Ministry of Public Health, Thailand; Ministry of Health, Malaysia; UK Aid; Médecins Sans Frontières (MSF); MSF Transformational Investment Capacity; FIND; Pharmaniaga; Starr International Foundation; Foundation for Art, Research, Partnership and Education; and the Swiss Agency for Development and Cooperation.

Matched MeSH terms: Liver Cirrhosis/drug therapy