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Otamixaban 3D.png
Clinical data
ATC code
  • none
CAS Number
PubChem CID
Chemical and physical data
Formula C25H26N4O4
Molar mass 446.498 g/mol
3D model (JSmol)
 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.