NCIt definition : The hydrochloride salt form of telavancin, a lipoglycopeptide and a semisynthetic
derivative of vancomycin with antibacterial activity against gram-positive bacteria.
Like vancomycin, telavancin binds tightly to the D-alanyl-D-alanine residue of cell
wall precursors, thereby interfering with bacterial cell wall synthesis. In addition,
the lipophilic moiety of telavancin may interact with the lipid bilayer in the bacterial
cell membrane, thereby compromising the integrity of cell membrane and causing cell
membrane depolarization. This novel mechanism of action may contribute to telavancin's
rapid bactericidal activity and its improved activity over vancomycin against some
antibiotic resistance gram-positive bacteria.;