Review Article

Current Perspectives on Treatment of Gram-Positive Infections in India: What Is the Way Forward?

Table 3

Some new drugs recently approved and in pipeline for treatment of gram-positive infections.

Name of the drugClassMechanism of actionImportant GP organisms coveredDose and RoutePhase of testingSerious Adverse effects

DelafloxacinFluoro-quinoloneInhibit DNA gyrase and Topoisomerase IVMRSA, MSSA, St. pyogenes, E. faecalis300 mg IV/ 450 mg oralUSFDA approved in June 2017Tendinitis and tendon rupture, peripheral neuropathy, Central nervous system effects
NemonoxacinMRSA, VRSA250-750 mg, oral, IVPhase IIINone reported
LevonadifloxacinMRSA, VRSA1000 mg oral, 800 mg IVPhase IIINone reported
AlalevonadifloxacinMRSA, VRSA1000 mg oralPhase IIINone reported

SolithromycinFluoro-ketolideInhibits protein synthesis by binding to 50s ribosome subunit and blocking peptide chain elongationS. aureus, St. pneumoniae800 mg oralPhase IIIPossible hepatotoxicity

Omadacycline TetracyclineInhibits protein synthesis by binding to 30s ribosome subunit and blocking binding of aminoacid-tRNA with mRNAS. aureus (MSSA), St. pneumoniae100-200 mg IV; 300-450 mg oralUSFDA approved in October 2018Similar to other tetracyclines
EravacyclineE faecalis, E faecium, S. Aureus, St anginosus group1 mg/kg IV infusionUSFDA approved in August 2018Similar to other tetracyclines

TedizolidOxazolidinoneInhibits protein synthesis by binding to the 50S ribosome subunitMRSA, MSSA, St. pyogenes, St. agalactiae, S. anginosus, E. faecalis200 mg oral or IV infusionUSFDA approved in June 2014Similar to linezolid

Lanopepden (GSK’322)Peptidyl deformylase inhibitorInhibits bacterial protein synthesisSt. pneumoniae, St. pyogenes, S. aureus1500 mg oralPhase IINone reported

AFN-1252Fabl (enoyl ACP reductase) inhibitorInterferes with essential bacterial fatty acid biosynthetic pathwayS. aureus, S. epidermidis, other staphylococci200 mg oralPhase IINone reported

Note: this list is not exhaustive; these are suggested doses; detailed dosing and regimens may vary according to indication; as on December 2018.