A novel agent effective against Clostridium difficile infection

Antimicrob Agents Chemother. 2012 Mar;56(3):1624-6. doi: 10.1128/AAC.06097-11. Epub 2011 Dec 27.

Abstract

N(2)-(3,4-Dichlorobenzyl)-7-(2-[1-morpholinyl]ethyl)guanine (MorE-DCBG, 362E) is a synthetic purine that selectively inhibits the replication-specific DNA polymerase of Clostridium difficile. MorE-DCBG and its analogs strongly inhibited the growth of a wide variety of C. difficile strains. When administered orally in a hamster model of C. difficile-specific colitis, 362E was as effective as oral vancomycin, the current agent of choice for treating severe forms of the human disease.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Administration, Oral
  • Animals
  • Anti-Bacterial Agents / administration & dosage*
  • Anti-Bacterial Agents / chemical synthesis
  • Anti-Bacterial Agents / therapeutic use
  • Clostridioides difficile / drug effects*
  • Clostridioides difficile / physiology
  • Cricetinae
  • DNA-Directed DNA Polymerase / metabolism
  • Disease Models, Animal
  • Enterocolitis, Pseudomembranous / drug therapy*
  • Enterocolitis, Pseudomembranous / microbiology
  • Enterocolitis, Pseudomembranous / mortality
  • Female
  • Humans
  • Morpholines / administration & dosage*
  • Morpholines / chemical synthesis
  • Morpholines / therapeutic use
  • Nucleic Acid Synthesis Inhibitors*
  • Purines / administration & dosage*
  • Purines / chemical synthesis
  • Purines / therapeutic use
  • Vancomycin / administration & dosage
  • Vancomycin / therapeutic use

Substances

  • Anti-Bacterial Agents
  • Morpholines
  • Nucleic Acid Synthesis Inhibitors
  • Purines
  • Vancomycin
  • DNA-Directed DNA Polymerase