New research in macrolides and ketolides since 1997
1Hoescht Marion Roussel, 102 Route de Noisy, 93230 Romainville Cedex, France. andre.bryskier@hmrag.com
Expert Opinion on Investigational Drugs
|July 5, 2005
Summary
Novel macrolide and ketolide antibacterials are being developed to combat erythromycin A resistance in Gram-positive bacteria. Research focuses on semi-synthesized compounds and molecular mechanisms, with telithromycin and AB-773 in development.
Area of Science:
- Medicinal Chemistry
- Microbiology
- Pharmacology
Background:
- Macrolide and ketolide antibacterials are crucial in combating bacterial infections.
- Erythromycin A resistance in Gram-positive bacteria necessitates the development of novel antimicrobial agents.
- Ongoing research aims to understand the molecular mechanisms of these antibacterials.
Purpose of the Study:
- To review recent advancements in macrolide and ketolide antibacterial research.
- To highlight novel semi-synthesized compounds designed to overcome existing resistance.
- To provide an update on the development status of new macrolide derivatives.
Main Methods:
- Review of current scientific literature on macrolide and ketolide antibacterials.
- Analysis of semi-synthesis strategies for novel antibacterial compounds.
- Investigation into molecular mechanisms of action and resistance.
Main Results:
- Several novel macrolide and ketolide derivatives have been semi-synthesized to address erythromycin A resistance.
- Telithromycin and AB-773 are the primary novel compounds currently undergoing development.
- Research continues on 15- and 16-membered ring macrolides, though significant new developments are limited.
Conclusions:
- The field of macrolide and ketolide antibacterials remains dynamic, with a focus on overcoming resistance.
- Targeted semi-synthesis and molecular investigations are key strategies for developing new agents.
- Continued research is essential for advancing the therapeutic potential of macrolides.
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