Treatment optimization for HIV/HCV co-infected patients

Jake A Scott1, Kara W Chew2

  • 1Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Palo Alto, CA, USA.

Insights

Hepatitis C virus (HCV) co-infection in human immunodeficiency virus (HIV) patients increases health risks. New direct-acting antiviral (DAA) treatments offer improved efficacy and tolerability for HCV in HIV-infected individuals.

Area of Science:

  • Virology
  • Infectious Diseases
  • Hepatology

Background:

  • Human immunodeficiency virus (HIV) and hepatitis C virus (HCV) co-infection is prevalent globally.
  • HCV co-infection exacerbates morbidity and mortality in HIV-infected individuals due to shared transmission routes.
  • Previous HCV treatments were limited by low cure rates, adverse effects, and drug interactions with HIV medications.

Purpose of the Study:

  • To review the epidemiology and clinical impact of HIV/HCV co-infection.
  • To discuss current treatment strategies for HCV in patients with HIV.
  • To highlight the transformative effect of direct-acting antiviral (DAA) agents in managing HCV/HIV co-infection.

Main Methods:

  • Literature review of epidemiological data on HIV/HCV co-infection.
  • Analysis of clinical outcomes associated with HCV in HIV-positive individuals.
  • Evaluation of direct-acting antiviral (DAA) efficacy and safety in co-infected patients.

Main Results:

  • HCV co-infection significantly increases the risk of liver and non-liver related complications in HIV patients.
  • Direct-acting antiviral (DAA) therapies have revolutionized HCV treatment, offering high cure rates and improved tolerability.
  • DAAs present a paradigm shift in managing HCV in the context of HIV co-infection, reducing treatment burdens.

Conclusions:

  • HCV treatment is a priority for HIV-co-infected individuals.
  • Direct-acting antiviral (DAA) agents are highly effective and well-tolerated for treating HCV in HIV co-infected patients.
  • The advent of DAAs offers a significant opportunity to reduce the global burden of HIV/HCV co-infection and improve patient outcomes.

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 retrovirus to...
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists01:23

Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists

Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
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...
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),...