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Kamal S, Shahzad A, Rehman K, Tariq K, Akash MSH, Imran M, Assiri MA. Therapeutic Intervention of Serine Protease Inhibitors against Hepatitis C Virus. Curr Med Chem 2024; 31:2052-2072. [PMID: 37855348 DOI: 10.2174/0109298673234823230921090431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/12/2023] [Accepted: 05/23/2023] [Indexed: 10/20/2023]
Abstract
Hepatitis C virus (HCV) is a globally prevalent and hazardous disorder that is responsible for inducing several persistent and potentially fatal liver diseases. Current treatment strategies offer limited efficacy, often accompanied by severe and debilitating adverse effects. Consequently, there is an urgent and compelling need to develop novel therapeutic interventions that can provide maximum efficacy in combating HCV while minimizing the burden of adverse effects on patients. One promising target against HCV is the NS3-4A serine protease, a complex composed of two HCV-encoded proteins. This non-covalent heterodimer is crucial in the viral life cycle and has become a primary focus for therapeutic interventions. Although peginterferon, combined with ribavirin, is commonly employed for HCV treatment, its efficacy is hampered by significant adverse effects that can profoundly impact patients' quality of life. In recent years, the development of direct-acting antiviral agents (DAAs) has emerged as a breakthrough in HCV therapy. These agents exhibit remarkable potency against the virus and have demonstrated fewer adverse effects when combined with other DAAs. However, it is important to note that there is a potential for developing resistance to DAAs due to alterations in the amino acid position of the NS3-4A protease. This emphasizes the need for ongoing research to identify strategies that can minimize the emergence of resistance and ensure long-term effectiveness. While the combination of DAAs holds promise for HCV treatment, it is crucial to consider the possibility of drug-drug interactions. These interactions may occur when different DAAs are used concurrently, potentially compromising their therapeutic efficacy. Therefore, carefully evaluating and monitoring potential drug interactions are vital to optimize treatment outcomes. In the pursuit of novel therapeutic interventions for HCV, the field of computational biology and bioinformatics has emerged as a valuable tool. These advanced technologies and methodologies enable the development and design of new drugs and therapeutic agents that exhibit maximum efficacy, reduced risk of resistance, and minimal adverse effects. By leveraging computational approaches, researchers can efficiently screen and optimize potential candidates, accelerating the discovery and development of highly effective treatments for HCV, treatments.
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Affiliation(s)
- Shagufta Kamal
- Department of Biochemistry, Government College University, Faisalabad, Pakistan
| | - Asif Shahzad
- Department of Biochemistry, Government College University, Faisalabad, Pakistan
| | - Kanwal Rehman
- Department of Pharmacy, The Women University, Multan, Pakistan
| | - Komal Tariq
- Department of Biochemistry, Government College University, Faisalabad, Pakistan
| | | | - Muhammad Imran
- Research center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Mohammed Ali Assiri
- Research center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, Saudi Arabia
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Uchida Y, Naiki K, Kouyama JI, Sugawara K, Nakao M, Motoya D, Inao M, Nakayama N, Imai Y, Tomiya T, Mochida S. Serum asunaprevir concentrations showing correlation with the extent of liver fibrosis as a factor inducing liver injuries in patients with genotype-1b hepatitis C virus receiving daclatasvir plus asunaprevir therapy. PLoS One 2018; 13:e0205600. [PMID: 30308053 PMCID: PMC6181393 DOI: 10.1371/journal.pone.0205600] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 09/27/2018] [Indexed: 12/14/2022] Open
Abstract
AIMS Liver injury can occur during antiviral therapies with direct-acting antivirals (DAAs), potentially necessitating discontinuation of the therapies, with consequent worsening of the sustained viral response (SVR) rates, in patients with hepatitis C virus (HCV). To clarify the mechanisms involved in serum transaminase level elevation, we performed a retrospective evaluation of the serum concentrations of daclatasvir and asunaprevir, both classified as DAAs, in patients receiving treatment with a combination of the two drugs. METHODS Subjects were 278 Japanese patients with genotype-1b HCV who received daclatasvir plus asunaprevir therapy for more than 4 weeks. Serum concentrations of both the DAAs were measured at 4 weeks after the initiation of therapy. RESULT Liver injuries including serum AST and/or ALT level elevation to 150 U/L or over were found in 34 patients (12.2%). Multivariate logistic regression analysis identified serum asunaprevir concentrations as being significantly associated with developing liver injury, with an odds ratio of 1.046 (95% confidence interval 1.011-1.082, p<0.05). Serum asunaprevir concentrations showed correlation with the extent of liver fibrosis, estimated by peripheral platelets counts and serum albumin levels and baseline and FIB4 index and serum Mac-2 binding protein glycosylation isomer (M2BPGi) levels at 4 weeks of the therapy; the concentrations were significantly higher among patients showing 3.0 or more of M2BPGi levels than among those with the levels less than 3.0; on the other hand, no such correlation/difference was found in serum daclatasvir concentrations. CONCLUSION High serum concentrations of serum asunaprevir, which were associated with the extent of liver fibrosis, appear to provoke the occurrence of liver injury in patients with genotype-1b HCV receiving combined daclatasvir plus asunaprevir therapy.
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Affiliation(s)
- Yoshihito Uchida
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Kayoko Naiki
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Jun-ichi Kouyama
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Kayoko Sugawara
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Masamitsu Nakao
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Daisuke Motoya
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Mie Inao
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Nobuaki Nakayama
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Yukinori Imai
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Tomoaki Tomiya
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
| | - Satoshi Mochida
- Department of Gastroenterology & Hepatology, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama, Japan
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Esposito I, Marciano S, Trinks J. Pharmacokinetic and pharmacodynamic evaluation of daclatasvir, asunaprevir plus beclabuvir as a fixed-dose co-formulation for the treatment of hepatitis C. Expert Opin Drug Metab Toxicol 2018; 14:649-657. [PMID: 29855221 DOI: 10.1080/17425255.2018.1483336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Many reports have evaluated the clinical efficacy and safety of the fixed-dose all-oral combination of daclatasvir, asunaprevir, and beclabuvir (DCV-TRIO), which was approved in Japan in December 2016 for the treatment of hepatitis C genotype (GT)-1 infection. Areas covered: This article reviews the pharmacodynamic and pharmacokinetic properties of the DCV-TRIO combination. The topics covered include data regarding the drug's absorption, distribution, metabolism, excretion, and antiviral activity strategies. Its therapeutic efficacy and safety in GT-1 infection from phase 2/3 clinical trials are also discussed. Expert opinion: The ideal regimen for the treatment of Hepatitis C virus infection should be potent, pangenotypic, Ribavirin-free, safe, co-formulated, and affordable. Considering these characteristics, DCV-TRIO is neither pangenotypic nor potent enough against GT-1a, regardless of the presence or absence of cirrhosis. Other potential limitations of this regimen are its dosification (twice-daily), and the fact that since it includes a protease inhibitor, it is contraindicated in decompensated cirrhosis. For these reasons, it has only been approved in Japan, where more than 70% of the patients are infected with GT-1b. However, this co-formulation might still have a place in the treatment of non-cirrhotic patients infected with GT-1b provided that massive access to treatment is facilitated.
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Affiliation(s)
- Isabella Esposito
- a Instituto de Ciencias Básicas y Medicina Experimental (ICBME), Instituto Universitario del Hospital Italiano , Buenos Aires , Argentina
| | - Sebastián Marciano
- b Hepatology Unit , Hospital Italiano de Buenos Aires , Buenos Aires , Argentina.,c Department of Research , Hospital Italiano de Buenos Aires , Buenos Aires , Argentina
| | - Julieta Trinks
- a Instituto de Ciencias Básicas y Medicina Experimental (ICBME), Instituto Universitario del Hospital Italiano , Buenos Aires , Argentina.,d National Council of Scientific and Technical Research (CONICET) , Buenos Aires , Argentina
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Association between alanine aminotransferase elevation and UGT1A1*6 polymorphisms in daclatasvir and asunaprevir combination therapy for chronic hepatitis C. J Gastroenterol 2018; 53:780-786. [PMID: 29094205 DOI: 10.1007/s00535-017-1405-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 10/20/2017] [Indexed: 02/04/2023]
Abstract
BACKGROUND Liver damage presented as alanine aminotransferase (ALT) elevation and high ALT-caused treatment discontinuation occurs with high frequency in Japanese patients receiving daclatasvir plus asunaprevir (DCV/ASV) therapy for hepatitis C virus (HCV) infection, and its mechanism is unknown. METHODS A total of 247 Japanese patients consisting of two independent cohorts with genotype-1b HCV infection receiving DCV/ASV therapy were included. The association of ALT levels during therapy and single nucleotide polymorphisms (SNP) of five drug-metabolizing enzyme loci selected for their possible influence on NS3/4A and NS5A inhibitors was investigated. RESULTS Among five SNPs, we found a significant correlation between the presence of the UGT1A1 rs4148323 A allele and ALT elevation (Grade 3 elevation in AA 57%, AG 18%, and GG 4%, P = 8.4E - 06) and drug discontinuation (AA 22%, AG 11%, and GG 2.5%, P = 8.7E - 04), while no association was observed with ALT values at baseline (Grade 3 elevation AA 0%, AG 4%, and GG 2%, P = 0.5). In contrast, patients with risk A allele for drug-induced ALT elevation had a tendency to respond more favorably to treatment (AA 100%, AG 93%, and GG 90%, P = 0.29). CONCLUSIONS Through the analysis we suggest that the A allele in UGT1A1 rs4148323 (UGT1A1*6), which is highly prevalent in the Japanese population, should be considered a risk for the development of DCV/ASV therapy-induced ALT elevation. Pretreatment SNP testing of UGT1A1*6 might be beneficial for the prediction of liver damage induced by DCV/ASV or even by DCV/ASV plus beclabuvir.
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Zhu L, Li H, Chan P, Eley T, Gandhi Y, Bifano M, Osawa M, Ueno T, Hughes E, AbuTarif M, Bertz R, Garimella T. Population Pharmacokinetic Analysis of Asunaprevir in Subjects with Hepatitis C Virus Infection. Infect Dis Ther 2018; 7:261-275. [PMID: 29589331 PMCID: PMC5986681 DOI: 10.1007/s40121-018-0197-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Indexed: 12/19/2022] Open
Abstract
Introduction Asunaprevir (ASV) is a potent, pangenotypic, twice-daily hepatitis C virus (HCV) NS3 inhibitor indicated for the treatment of chronic HCV infection. Methods A population pharmacokinetic (PPK) model was developed using pooled ASV concentration data from 1239 HCV-infected subjects who received ASV either as part of the DUAL regimen with daclatasvir or as part of the QUAD regimen with daclatasvir and peg-interferon/ribavirin. Results A two-compartment model with first-order elimination from the central compartment, an induction effect on clearance, and an absorption model consisted of zero-order release followed by first-order absorption adequately described ASV PK after oral administration. A typical value for ASV clearance (CL/F) was 50.8 L/h, increasing by 43% after 2 days to a CL/F of 72.5 L/h at steady-state, likely due to auto-induction of cytochrome P450 3A4 (CYP3A4). Factors indicative of hepatic function were identified as key influential covariates on ASV exposures. Subjects with cirrhosis had an 84% increase in ASV area under the concentration time curve (AUC) and subjects with baseline aspartate aminotransferase (AST) above 78 IU/L had a 58% increase in area under the concentration time curve (AUC). Asians subjects had a 46% higher steady-state AUC relative to White/Caucasian subjects. Other significant covariates were formulation, age, and gender. Conclusion The current PPK model provided a parsimonious description of ASV concentration data in HCV-infected subjects. Key covariates identified in the model help explain the observed variability in ASV exposures and may guide clinical use of the drug. Funding Bristol-Myers Squibb. Electronic supplementary material The online version of this article (10.1007/s40121-018-0197-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Li Zhu
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
| | - Hanbin Li
- Quantitative Solutions, Menlo Park, CA, USA
| | - Phyllis Chan
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
| | - Timothy Eley
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
| | - Yash Gandhi
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA.
| | - Marc Bifano
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
| | | | | | - Eric Hughes
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
| | - Malaz AbuTarif
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
| | - Richard Bertz
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
| | - Tushar Garimella
- Bristol-Myers Squibb Research and Development, Lawrenceville, NJ, USA
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Ongoing liver inflammation in patients with chronic hepatitis C and sustained virological response. PLoS One 2017; 12:e0171755. [PMID: 28196130 PMCID: PMC5308806 DOI: 10.1371/journal.pone.0171755] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 01/25/2017] [Indexed: 12/19/2022] Open
Abstract
Background Novel direct-acting antiviral DAA combination therapies tremendously improved sustained virologic response (SVR) rates in patients with chronic HCV infection. SVR is typically accompanied by normalization of liver enzymes, however, hepatic inflammation, i.e. persistently elevated aminotransferase levels may persist despite HCV eradication. Aim: To investigate prevalence and risk factors for ongoing hepatic inflammation after SVR in two large patient cohorts. Methods This post-hoc analysis was based on prospectively collected demographic and clinical data from 834 patients with SVR after HCV treatment with either PegIFN- or DAA-based treatment regimens from the PRAMA trial (n = 341) or patients treated at our outpatient clinic (n = 493). Results We observed an unexpected high prevalence of post-SVR inflammation, including patients who received novel IFN-free DAA-based therapies. Up to 10% of patients had ongoing elevation of aminotransferase levels and another 25% showed aminotransferase activity above the so-called healthy range. Several baseline factors were independently associated with post-SVR aminotransferase elevation. Among those, particularly male gender, advanced liver disease and markers for liver steatosis were strongly predictive for persistent ALT elevation. The use of IFN-based antiviral treatment was independently correlated with post-SVR inflammation, further supporting the overall benefit of IFN-free combination regimens. Conclusion This is the first comprehensive study on a large patient cohort investigating the prevalence and risk factors for ongoing liver inflammation after eradication of HCV. Our data show a high proportion of patients with ongoing hepatic inflammation despite HCV eradication with potential implications for the management of approximately one third of all patients upon SVR.
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FakhriRavari A, Malakouti M, Brady R. Interferon-Free Treatments for Chronic Hepatitis C Genotype 1 Infection. J Clin Transl Hepatol 2016; 4:97-112. [PMID: 27350940 PMCID: PMC4913075 DOI: 10.14218/jcth.2016.00007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 03/22/2016] [Accepted: 03/27/2016] [Indexed: 12/19/2022] Open
Abstract
Hepatitis C virus (HCV) infection affects as many as 185 million people globally, many of whom are chronically infected and progress over time to cirrhosis, decompensated liver disease, hepatocellular carcinoma, and eventually death without a liver transplant. In the United States, HCV genotype 1 constitutes about 75% of all infections. While interferon and ribavirin therapy was the cornerstone of treatment for many years, interferon-free treatments have become the standard of care with the emergence of new direct-acting agents, resulting in more effective treatment, shorter duration of therapy, better tolerability, lower pill burden, and ultimately better adherence. This review will summarize the evidence for the currently available combination therapies as well as emerging therapies in phase 3 trials for treatment of HCV genotype 1.
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Affiliation(s)
- Alireza FakhriRavari
- Department of Pharmacy Practice, University of the Incarnate Word Feik School of Pharmacy, San Antonio, Texas, USA
- *Correspondence to: Alireza FakhriRavari, Department of Pharmacy Practice, University of the Incarnate Word Feik School of Pharmacy, 4301 Broadway CPO 99, San Antonio, Texas 78209, USA. Tel: +1-210-883-1142, Fax: +1-210-822-1516, E-mail:
| | - Mazyar Malakouti
- University of Texas Health Science Center, San Antonio, Texas, USA
| | - Rebecca Brady
- Department of Pharmacy Practice, University of the Incarnate Word Feik School of Pharmacy, San Antonio, Texas, USA
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