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Updated: Jul 16, 2026
12:02
Assays for the Identification of Novel Antivirals against Bluetongue Virus
Published on: October 11, 2013
Finding new medicines for flaviviral targets
Thomas H Keller1, Yen Liang Chen, John E Knox
1Novartis Institute for Tropical Diseases (NITD), 10 Biopolis Road, #05-01 Chromos, 138670 Singapore.
Novartis Foundation Symposium
|February 27, 2007
Summary
Developing new dengue fever therapies is crucial due to rising global cases. The NS5 polymerase shows promise as a drug target for dengue and other flaviviral diseases, offering a potential therapeutic avenue.
Area of Science:
- Virology
- Drug Discovery
- Medicinal Chemistry
Background:
- Dengue fever incidence is rising globally, necessitating novel therapeutic interventions.
- Drug discovery for dengue is complicated by the young patient demographic and limited healthcare resources in endemic regions.
- Hepatitis C virus (HCV) therapeutic approaches offer insights for dengue drug development.
Purpose of the Study:
- To identify promising drug targets for dengue fever.
- To analyze the feasibility of targeting viral proteins for flaviviral diseases.
- To evaluate challenges and opportunities in developing dengue therapeutics.
Main Methods:
- Analysis of recent drug discovery progress for dengue.
- Review of therapeutic strategies employed for Hepatitis C Virus (HCV).
- Assessment of viral protein targets including NS5 polymerase, NS3 proteases, and NS3 helicase.
Main Results:
- NS5 polymerase is identified as the most promising target for dengue therapy, with potential applications in other flaviviral diseases.
- NS3 proteases present challenges for oral drug delivery due to pharmacokinetic optimization difficulties.
- NS3 helicase is a viable target, but overcoming selectivity issues with human helicases is critical.
Conclusions:
- NS5 polymerase inhibitors represent a significant advancement in dengue therapeutic strategies.
- Targeting NS3 proteases and helicase requires further research to overcome specific challenges.
- Developing effective dengue therapies requires addressing both target-specific hurdles and broader drug development complexities.
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