Lipopeptide antibiotic active against Gram-positive bacteria only.
Daptomycin
Structural features
SMILES
CCCCCCCCCC(=O)N[C@@H](CC1=CNC2=C1C=CC=C2)C(=O)N[C@H](CC(N)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H]1[C@@H](C)OC(=O)[C@H](CC(=O)C2=CC=CC=C2N)NC(=O)[C@@H](NC(=O)[C@@H](CO)NC(=O)CNC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](C)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CCCN)NC(=O)CNC1=O)[C@H](C)CC(O)=O
Sequence
Dec-WnDTGXDaDGsXX
Route of administration
IV
Terminal half-life
8-9 hours (up to 28 hours in renal impairment)
Protein binding
90-93%
Absorption and Bioavailability
Generally exhibits linear and time-independent pharmacokinetics at a dosage of 4–12 mg/kg IV once every 24 hours. Steady-state trough serum concentrations are achieved by the third daily dose.