question: What are the 3 antidotes for anticoagulant (anti-blood clotting) drugs, including factor Xa inhibitors, as of November 2017.
answer:  two potential reversal agents for oral direct factor Xa inhibitors (andexanet alfa and ciraparantag) are at various stages of clinical development. Idarucizumab, a reversal agent for the oral direct thrombin inhibitor dabigatran, was approved by FDA in October 2015.