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From hit to lead. Analyzing structure-profile relationships.

R Poulain1, D Horvath, B Bonnet

  • 1Department of Chemistry, CEREP, 1 rue du Pr. Calmette, F-59000 Lille, France. rpoulain@phare.univ-lille2.fr

Journal of Medicinal Chemistry
|October 5, 2001
PubMed
Summary

Researchers optimized compounds for the mu opiate receptor, developing new drug candidates with diverse pharmacological profiles across over 70 CNS targets. This study explores structure-activity relationships for CNS drug discovery.

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Area of Science:

  • Medicinal Chemistry
  • Neuroscience
  • Pharmacology

Background:

  • Initial screening identified two compounds with micromolar activity at the mu opiate receptor.
  • Optimization efforts aimed to expand the understanding of compound activity beyond single targets.

Purpose of the Study:

  • To develop novel analogues with improved mu opiate receptor activity and diverse pharmacological profiles.
  • To investigate the relationship between compound structure, similarity concepts, and broad CNS target engagement.

Main Methods:

  • Utilized two distinct chemical design strategies based on similarity concepts.
  • Synthesized analogues and evaluated their activity across more than 70 CNS receptors, transporters, and channels.
  • Analyzed pharmacological profiles using case-by-case and statistical approaches.

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Main Results:

  • Achieved analogues with mu opiate receptor IC(50) values ranging from 0.9 nM to low micromolar.
  • Identified compounds exhibiting qualitatively different pharmacological profiles.
  • Demonstrated the utility of similarity concepts in guiding CNS drug design.

Conclusions:

  • The study successfully generated diverse analogues with potent mu opiate receptor activity.
  • The findings highlight the importance of comprehensive pharmacological profiling in CNS drug discovery.
  • The applied similarity concepts provide a valuable framework for optimizing compounds with complex target interactions.