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Acetaldehyde dehydrogenase inhibitors
Cefotetan
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Cefotetan

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Cefotetan
Cefotetan.svg
Clinical data
AHFS/Drugs.com Consumer Drug Information
Routes of
administration		 Injection
ATC code
Legal status
Legal status
Identifiers
  • (7S)-7-{[4-(1-amino-3-hydroxy-1,3-dioxopropan-2-ylidene)
    1,3-dithietane-2-carbonyl]amino}-7-methoxy-
    3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-
    5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.067.337
Chemical and physical data
Formula C17H17N7O8S4
Molar mass 575.60 g·mol−1
3D model (JSmol)
  • O=C2N1/C(=C(\CS[C@@H]1[C@]2(OC)NC(=O)C3S/C(S3)=C(/C(=O)N)C(=O)O)CSc4nnnn4C)C(=O)O
  • InChI=1S/C17H17N7O8S4/c1-23-16(20-21-22-23)34-4-5-3-33-15-17(32-2,14(31)24(15)7(5)11(29)30)19-9(26)13-35-12(36-13)6(8(18)25)10(27)28/h13,15H,3-4H2,1-2H3,(H2,18,25)(H,19,26)(H,27,28)(H,29,30)/b12-6-/t13?,15-,17+/m1/s1 checkY
  • Key:SRZNHPXWXCNNDU-IXOPCIAXSA-N checkY
 ☒NcheckY (what is this?)  (verify)

Cefotetan is an injectable antibiotic of the cephamycin type for prophylaxis and treatment of bacterial infections. It is often grouped together with second-generation cephalosporins and has a similar antibacterial spectrum, but with additional anti-anaerobe coverage.

Cefotetan was developed by Yamanouchi. It is marketed outside Japan by AstraZeneca with the brand names Apatef and Cefotan.

Adverse effects

The chemical structure of cefotetan, like that of several other cephalosporins, contains an N-methylthiotetrazole (NMTT or 1-MTT) side chain. As the antibiotic is broken down in the body, it releases free NMTT, which can cause hypoprothrombinemia (likely due to inhibition of the enzyme vitamin K epoxide reductase) and a reaction with ethanol similar to that produced by disulfiram (Antabuse), due to inhibition of aldehyde dehydrogenase.

Spectrum of bacterial susceptibility

Cefotetan has a broad spectrum of activity and has been used to treat bacterial infections of the bone, skin, urinary tract, and lower respiratory tract. Notable species include Bacteroides, Streptococcus, and Escherichia. The following represents MIC susceptibility data for a few medically significant bacteria.

  • Escherichia coli: 0.06 µg/mL
  • Bacteroides fragilis: ≤0.06 µg/mL - 512 µg/mL
  • Clostridium perfringens: 1 µg/mL - 4 µg/mL

External links


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