Vedroprevir in the management of hepatitis C virus infection

Ameer Abutaleb1, Shyamasundaran Kottilil1

  • 1a Division of Clinical Care and Research, Institute of Human Virology , University of Maryland School of Medicine , Baltimore , MD , USA.

Insights

New direct-acting antivirals (DAAs) offer improved Hepatitis C Virus (HCV) treatment. Vedroprevir (GS-9451) effectively shortens treatment duration when combined with other DAAs, achieving high cure rates.

Area of Science:

  • Hepatology and Viral Hepatitis Research
  • Pharmacology of Antiviral Agents

Background:

  • Hepatitis C Virus (HCV) infection is a primary cause of liver failure and transplantation globally.
  • Direct-acting antivirals (DAAs) have revolutionized HCV therapy, offering shorter durations and higher efficacy compared to older treatments.

Purpose of the Study:

  • To review the literature on the use of Vedroprevir (GS-9451) for Hepatitis C Virus treatment.
  • To evaluate Vedroprevir's efficacy in diverse patient populations and its role in combination therapy.

Main Methods:

  • Literature review of articles on Vedroprevir (GS-9451) accessible via MEDLINE/PubMed.
  • Analysis of chemistry, pharmacology, and clinical efficacy data for Vedroprevir in HCV treatment.

Main Results:

  • Vedroprevir (GS-9451) demonstrates high effectiveness in reducing treatment duration when used with other DAAs.
  • Monotherapy with GS-9451 is not recommended due to rapid development of resistance.
  • Combination therapy is essential for achieving sustained virologic response (SVR).

Conclusions:

  • Vedroprevir is a valuable component in combination DAA regimens for HCV.
  • Combining Vedroprevir with other DAAs enhances treatment success without compromising outcomes.
  • Effective HCV eradication requires combination therapy due to resistance potential of GS-9451.
Abstract

Related Concept Videos

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...
49.9K
Retroviruses02:33

Retroviruses

Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
15.1K
Subviral Agents01:29

Subviral Agents

Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
637
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment01:08

Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment

Hepatic impairment, characterized by decreased liver function, does not uniformly mandate adjustments in drug dosage. Whether dosage modifications are necessary depends on various factors related to the drug's metabolism and elimination pathways. If a drug is primarily excreted via the kidneys and bypasses significant hepatic processing, if it undergoes minimal metabolic transformation in the liver, or if it is volatile and primarily expelled through the lungs, dose adjustments may not be...
295
Pharmacokinetics: Drug–Food and Drug–Viral Interactions01:26

Pharmacokinetics: Drug–Food and Drug–Viral Interactions

A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of...
287
Viruses with RNA Genomes01:29

Viruses with RNA Genomes

RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
1.0K