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Area of Science:

  • Infectious Diseases
  • Public Health
  • Pharmacology

Background:

  • Antiretroviral therapy (ART) for HIV-infected individuals has demonstrated indirect benefits in preventing HIV transmission.
  • Direct-acting antivirals (DAAs) for hepatitis C virus (HCV) infection have emerged, enabling new treatment strategies.

Purpose of the Study:

  • To explore the feasibility and implications of treatment-as-prevention strategies for infectious diseases.
  • To examine the economic, clinical, ethical, and public health considerations of using therapeutic interventions solely for prevention.

Main Methods:

  • Literature review and synthesis of existing data on HIV and HCV treatment outcomes.
  • Analysis of policy and ethical frameworks related to public health interventions.

Main Results:

  • Early ART initiation is a proven strategy for reducing HIV transmission.
  • DAAs offer a potential pathway for HCV treatment-as-prevention, mirroring some aspects of HIV management.
  • Significant economic, clinical, ethical, and public health challenges need to be addressed for widespread implementation.

Conclusions:

  • The concept of treatment-as-prevention is gaining traction due to advances in antiviral therapies.
  • Careful consideration of multifaceted issues is crucial before adopting therapeutic interventions primarily for prevention.