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Sulbactam
Systematic (IUPAC) name
(2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide
Identifiers
CAS number 68373-14-8
ATC code J01CG01
PubChem 130313
Chemical data
Formula C 8H11NO5S 
Mol. mass 233.243 g/mol
Pharmacokinetic data
Bioavailability 1
Metabolism  ?
Half life  ?
Excretion Kidneys?
Therapeutic considerations
Pregnancy cat.  ?
Legal status POM (UK)
Routes Injection
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Sulbactam is a molecule which is given in combination with beta-lactam antibiotics to inhibit beta-lactamase, an enzyme produced by bacteria that destroys the antibiotics. [1]

Contents

Mechanism

Sulbactam is an irreversible inhibitor of beta-lactamase; it binds the enzyme and does not allow it to interact with the antibiotic.

Uses

Sulbactam is able to inhibit the most common forms of beta-lactamase but is not able to interact with the ampC cephalosporinase. Thus, it confers little protection against bacteria such as Pseudomonas aeruginosa, Citrobacter, Enterobacter, and Serratia, which often express this gene.

In the United States, sulbactam is combined to form cefoperazone/sulbactam and ampicillin/sulbactam. It does possess some antibacterial activity when administered alone, but it is too weak to have any clinical importance. Its use in the UK is restricted to hospitals.

See also

Tazobactam

References

  1. ^ Totir MA, Helfand MS, Carey MP, et al. (August 2007). "Sulbactam forms only minimal amounts of irreversible acrylate-enzyme with SHV-1 beta-lactamase". Biochemistry 46 (31): 8980–7. doi:10.1021/bi7006146. PMID 17630699.  
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