Clinical data
ATC code none
CAS Number 193153-04-7 N
PubChem (CID) 5496659
ChemSpider 4593439 YesY
Chemical and physical data
Formula C25H26N4O4
Molar mass 446.498 g/mol
3D model (Jmol) Interactive image
 NYesY (what is this?)  (verify)

Otamixaban (INN) is an experimental injectable anticoagulant direct factor Xa inhibitor[1] that was investigated for the treatment for acute coronary syndrome. In 2013, Sanofi announced that it had ended development of the drug candidate after poor performance in a Phase III clinical trial.[2][3]


  1. Guertin KR, Choi YM (2007). "The discovery of the Factor Xa inhibitor otamixaban: from lead identification to clinical development". Curr. Med. Chem. 14 (23): 2471–81. doi:10.2174/092986707782023659. PMID 17979700.
  2. "AstraZeneca, Sanofi Cut Programs". Chemical & Engineering News. American Chemical Society. 91 (23): 17. June 10, 2013. Sanofi is ending development on two compounds, the anticancer compound iniparib and the anticoagulant otamixaban, both of which flunked Phase III studies.
  3. "Sanofi's Investigational Iniparib, Otamixaban Fail To Meet Goals, Ends Programs". RTT news. Retrieved 11 April 2014.

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