Antiviral therapy for hepatitis C virus: beyond the standard of care

Leen Delang1, Lotte Coelmont1, Johan Neyts1

  • 1Rega Institute for Medical Research, KULeuven, Minderbroedersstraat 10, 3000 Leuven, Belgium.

Viruses
|October 14, 2011
PubMed

Insights

Hepatitis C virus (HCV) infection affects millions globally, risking severe liver disease. New therapies are needed as current treatments show limited efficacy and significant side effects.

Area of Science:

  • Hepatology
  • Virology
  • Infectious Diseases

Background:

  • Hepatitis C virus (HCV) infection poses a significant global health challenge, affecting an estimated 180 million individuals.
  • Chronic HCV infection is a leading cause of liver cirrhosis, hepatocellular carcinoma, and liver transplantation in Western countries.
  • Current standard of care (pegylated interferon alpha and ribavirin) exhibits limited efficacy and severe side effects.

Purpose of the Study:

  • To review and discuss novel therapeutic strategies for Hepatitis C virus (HCV) infection.
  • To explore the potential of Specifically Targeted Antiviral Therapy for HCV (STAT-C) in treating chronic HCV.
  • To examine inhibitors targeting host-viral interactions as a potential treatment avenue.

Main Methods:

  • Literature review of current and emerging HCV therapies.
  • Discussion of antiviral mechanisms of action for novel drug candidates.
  • Analysis of treatment efficacy and tolerability profiles.

Main Results:

  • Existing therapies for HCV have significant limitations in efficacy and tolerability.
  • Emerging therapies, including STAT-C, show promise for more effective and tolerable HCV treatment.
  • Inhibitors targeting host-viral interactions represent a novel approach to HCV replication control.

Conclusions:

  • There is an urgent need for improved Hepatitis C virus (HCV) treatments.
  • Specifically Targeted Antiviral Therapy for HCV (STAT-C) and host-viral interaction inhibitors offer promising alternatives.
  • Further research and development are crucial to bring these novel therapies to patients.

Related Concept Videos

Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Antiviral Nucleoside Inhibitors01:22

Antiviral Nucleoside Inhibitors

Antiviral Nucleoside InhibitorsAntiviral nucleoside inhibitors are structural analogs of natural nucleosides that interfere with viral DNA or RNA synthesis. These compounds selectively target viral polymerases due to their resemblance to host nucleosides, thereby disrupting viral genome replication.Mechanism of Acyclovir ActionAcyclovir is a guanosine analog with a three-carbon acyclic side chain. It selectively targets herpes simplex virus type 1 (HSV-1), herpes simplex virus type 2 (HSV-2),...
Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy01:16

Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy

Helicobacter pylori, a resilient gram-negative bacterium, can thrive in the stomach's harsh, acidic environment. Infection with H. pylori leads to a cascade of events within the stomach lining. One of the critical disruptions caused by this bacterium is the interference with somatostatin production, a hormone responsible for regulating acid secretion. This interference tips the balance, escalating acid secretion and diminishing bicarbonate levels. This imbalance compromises the defensive...