Drug intelligence / Profile preview

cloxacillin

Development stage
Phase 3
Lead developer
GSK
Modality
Irreversible Covalent Inhibitors → Covalent Small Molecules → Small Molecules, Classical Binding Small Molecules → Small Molecules, Nucleic Acid-Directed Small Molecules → Small Molecules
Administration
Oral, Intravenous, Intramuscular
01

Overview

Cloxacillin is a semisynthetic penicillin antibiotic used primarily to treat infections caused by beta-hemolytic streptococci, pneumococci, and staphylococci—including those that produce beta-lactamase. It is a chlorinated derivative of oxacillin and belongs to the class of penicillinase-resistant penicillins. Cloxacillin works by binding to specific penicillin-binding proteins (PBPs) inside the bacterial cell wall, thereby inhibiting the final stage of bacterial cell wall synthesis. This leads to cell lysis mediated by autolytic enzymes such as autolysins[1][5][8]. It is effective against gram-positive organisms, especially *Staphylococcus aureus*[8].

Brand names
JAMP-CloxacillinTEVA-Cloxacillin
Other names
cloxacilin
02

Targets

PBP (Penicillin-binding protein family)

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