Cethromycin

Cethromycin, trade name Restanza (initially known as ABT-773[1][2]) is a ketolide antibiotic undergoing research for the treatment of community acquired pneumonia (CAP)[1][3][4][5] and for the prevention of post-exposure inhalational anthrax, and was given an "orphan drug" status for this indication.[6] Originally discovered and developed by Abbott, it was acquired by Advanced Life Sciences Inc. for further development.

Cethromycin
Clinical data
Routes of
administration
Oral
ATC code
  • none
Legal status
Legal status
Pharmacokinetic data
BioavailabilityBetween 35.8 and 60% in animal studies.
MetabolismLiver
Elimination half-life1.6, 3.0, 4.5, 5.9 and 6 hours. Mouse, Monkey, Rat, Dog and Human respectively.
Excretion7.0% urine 87.2% faeces
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
Chemical and physical data
FormulaC42H59N3O10
Molar mass765.945 g·mol−1
3D model (JSmol)
Melting point211 to 213 °C (412 to 415 °F)
 NY (what is this?)  (verify)

On October 1, 2008 Advanced Life Sciences submitted a New Drug Application (NDA) to Food and Drug Administration (FDA) for cethromycin to treat mild-to-moderate community acquired pneumonia.[7]

On December 3, 2008 Advanced Life Sciences announced that this New Drug Application has been accepted for filing by the FDA.[8]

In June 2009, an FDA Anti-Infective Drugs Advisory Committee review found insufficient evidence for cethromycin efficacy in treatment of community acquired pneumonia, as the Phase 3 clinical trial followed standards that were updated after the clinical trial but three months prior to review. The committee did, however, find the drug safe to use.[9]

References

  1. Lawrence LE (June 2001). "ABT-773 (Abbott Laboratories)". Current Opinion in Investigational Drugs. 2 (6): 766–72. PMID 11572654.
  2. Dougherty TJ, Barrett JF (February 2001). "ABT-773: a new ketolide antibiotic". Expert Opinion on Investigational Drugs. 10 (2): 343–51. doi:10.1517/13543784.10.2.343. PMID 11178346.
  3. Zhanel GG, Hisanaga T, Nichol K, Wierzbowski A, Hoban DJ (November 2003). "Ketolides: an emerging treatment for macrolide-resistant respiratory infections, focusing on S. pneumoniae". Expert Opinion on Emerging Drugs. 8 (2): 297–321. doi:10.1517/14728214.8.2.297. PMID 14661991.
  4. Reinert RR (June 2004). "Clinical efficacy of ketolides in the treatment of respiratory tract infections". The Journal of Antimicrobial Chemotherapy. 53 (6): 918–27. doi:10.1093/jac/dkh169. PMID 15117934.
  5. Hammerschlag MR, Sharma R (March 2008). "Use of cethromycin, a new ketolide, for treatment of community-acquired respiratory infections". Expert Opinion on Investigational Drugs. 17 (3): 387–400. doi:10.1517/13543784.17.3.387. PMID 18321237.
  6. Cethromycin - Advanced Life Sciences Archived April 20, 2008, at the Wayback Machine
  7. Cethromycin New Drug Application
  8. Cethromycin New Drug Application accepted for filing by FDA
  9. Advanced Life Sciences Holdings, Inc. "Complete Response Letter for Restanza NDA". Drugs.com. Retrieved 2014-03-26.

Further reading

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