Novel antimicrobials for the treatment of clostridium difficile infection

Research output: Contribution to journalReview article

Abstract

The current picture of Clostridium difficile infection (CDI) is alarming with a mortality rate ranging between 3% and 15% and a CDI recurrence rate ranging from 12% to 40%. Despite the great efforts made over the past 10 years to face the CDI burden, there are still gray areas in our knowledge on CDI management. The traditional anti-CDI antimicrobials are not always adequate in addressing the current needs in CDI management. The aim of our review is to give an update on novel antimicrobials for the treatment of CDI, considering the currently available evidences on their efficacy, safety, molecular mechanism of action, and their probability to be successfully introduced into the clinical practice in the near future. We identified, through a PubMed search, 16 novel antimicrobial molecules under study for CDI treatment: cadazolid, surotomycin, ridinilazole, LFF571, ramoplanin, CRS3123, fusidic acid, nitazoxanide, rifampin, rifaximin, tigecycline, auranofin, NVB302, thuricin CD, lacticin 3147, and acyldepsipeptide antimicrobials. In comparison with the traditional anti-CDI antimicrobial treatment, some of the novel antimicrobials reviewed in this study offer several advantages, i.e., the favorable pharmacokinetic and pharmacodynamic profile, the narrow-spectrum activity against CD that implicates a low impact on the gut microbiota composition, the inhibitory activity on CD sporulation and toxins production. Among these novel antimicrobials, the most active compounds in reducing spore production are cadazolid, ridinilazole, CRS3123, ramoplanin and, potentially, the acyldepsipeptide antimicrobials. These antimicrobials may potentially reduce CD environment spread and persistence, thus reducing CDI healthcare-associated acquisition. However, some of them, i.e., surotomycin, fusidic acid, etc., will not be available due to lack of superiority versus standard of treatment. The most CD narrow-spectrum novel antimicrobials that allow to preserve microbiota integrity are cadazolid, ridinilazole, auranofin, and thuricin CD. In conclusion, the novel antimicrobial molecules under development for CDI have promising key features and advancements in comparison to the traditional anti-CDI antimicrobials. In the near future, some of these new molecules might be effective alternatives to fight CDI.

Original languageEnglish
Article number96
JournalFrontiers in Medicine
Volume5
Issue numberAPR
DOIs
Publication statusPublished - Apr 1 2018
Externally publishedYes

Fingerprint

Clostridium Infections
Clostridium difficile
ramoplanin
Auranofin
Fusidic Acid
nitazoxanide
rifaximin
Microbiota
Rifampin
Spores
PubMed

Keywords

  • Clostridium difficile infection
  • Clostridium difficile recurrence
  • Management
  • Novel antimicrobials
  • Prevention

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Novel antimicrobials for the treatment of clostridium difficile infection. / Petrosillo, Nicola; Granata, Guido; Cataldo, Maria Adriana.

In: Frontiers in Medicine, Vol. 5, No. APR, 96, 01.04.2018.

Research output: Contribution to journalReview article

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