Related Experiment Video
Updated: May 7, 2026
11:34
A Competent Hepatocyte Model Examining Hepatitis B Virus Entry through Sodium Taurocholate Cotransporting Polypeptide as a Therapeutic Target
Published on: May 10, 2022
2.2K
Novel therapeutic approaches for hepatitis C
1Division of Gastroenterology/Hepatology, Department of Medicine, Scripps Clinic, La Jolla, California, USA.
Clinical Pharmacology and Therapeutics
|October 16, 2013
Summary
New direct-acting antiviral (DAA) agents offer improved treatment for chronic hepatitis C virus (HCV) infection. Upcoming regimens promise higher sustained viral response rates and interferon-free options for patients.
Area of Science:
- Hepatology
- Virology
- Infectious Diseases
Background:
- Chronic hepatitis C virus (HCV) infection affects 170 million globally, leading to cirrhosis and liver cancer.
- Successful HCV treatment reduces morbidity and mortality.
- Current standard care for genotype 1 HCV involves pegylated interferon (PEG) and ribavirin (RBV) with protease inhibitors, yielding 67-75% sustained viral response.
Purpose of the Study:
- To review advancements in HCV treatment, focusing on new direct-acting antiviral (DAA) agents.
- To discuss the development of interferon-free oral treatment regimens for HCV.
- To highlight upcoming therapies and their anticipated efficacy.
Main Methods:
- Review of current literature on HCV treatment strategies.
- Analysis of emerging direct-acting antiviral (DAA) agents.
- Discussion of novel combination therapies and their expected outcomes.
Main Results:
- Development of new DAA agents targeting HCV.
- Emergence of interferon-free oral treatment regimens.
- Anticipated approval of nucleotide polymerase inhibitor regimens for various HCV genotypes.
Conclusions:
- Direct-acting antiviral (DAA) agents represent a significant advancement in HCV therapy.
- New regimens are expected to improve sustained viral response rates.
- The future of HCV treatment involves oral, interferon-free options with improved efficacy.
Related Concept Videos
01:25Hepatitis
99
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.
99
01:30Inhibitors of Viral Protein Synthesis
73
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...
73
01:28Viral Hepatitis I: Introduction
28
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...
28
01:10Retrovirus Life Cycles
43.1K
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...
43.1K
02:49Cancer Therapies
8.6K
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
8.6K
01:29Microorganisms in Medicine and Therapeutics
1.4K
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
1.4K