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Related Experiment Videos

Affinity-based screening techniques for enhancing lead discovery.

Kenneth M Comess1, Mark E Schurdak

  • 1Abbott Laboratories, Global Pharmaceutical Research Division, 100 Abbott Park Road, Abbott Park, IL 60048, USA. kenneth.m.comess@abbott.com

Current Opinion in Drug Discovery & Development
|September 2, 2004
PubMed
Summary

Drug discovery faces rising costs and declining success rates. Adopting advanced affinity-based screening methods can improve efficiency and validate more drug targets, reversing this trend.

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Area of Science:

  • Drug discovery and development
  • Medicinal chemistry
  • Pharmaceutical sciences

Background:

  • Current rational small-molecule lead discovery methods, including target identification, assay development, high-throughput screening (HTS), hit characterization, and medicinal chemistry optimization, are standard in pharmaceutical research.
  • A significant challenge in early-stage drug discovery is the widening gap between escalating funding costs and a diminishing number of new drugs reaching the market.
  • There is a critical need for novel strategies to enhance the efficiency and success rate of drug discovery pipelines.

Purpose of the Study:

  • To address the challenges in early-stage drug discovery by exploring more efficient screening technologies.
  • To investigate the potential of genomics- and proteomics-based target discovery to increase the number of validated targets.
  • To evaluate the role of affinity-based screening strategies in improving the overall drug discovery process.

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Main Methods:

  • Review and analysis of contemporary drug discovery methodologies, including high-throughput screening (HTS) and activity-based screening.
  • Exploration of genomics- and proteomics-based approaches for novel target identification.
  • Evaluation of affinity-based screening strategies for their efficiency in target screening and hit characterization.

Main Results:

  • Genomics and proteomics can significantly increase the number of validated drug targets.
  • High-throughput screening (HTS) requires faster and more cost-effective technologies to meet the demand for increased target numbers.
  • Affinity-based screening strategies offer greater overall process efficiency compared to traditional activity-based methods.
  • Affinity-based methods facilitate the screening of more targets and improve the characterization of primary hits.

Conclusions:

  • New strategies are essential to counteract the rising costs and declining success rates in drug discovery.
  • Integrating genomics and proteomics for target discovery, coupled with efficient screening technologies, can enhance the drug development pipeline.
  • Affinity-based screening methods present a promising avenue for increasing efficiency in both target identification and hit characterization, ultimately contributing to a more productive drug discovery process.