blood and blood forming organs drug pathway antithrombotic drug pathway 2015-03-04T15:12:19Z PW:0001651 The pharmacokinetics and pharmacodynamics pathway of drugs that reduce or prevent the formation of blood clots. They are further classified depending on the blood clotting processes they affect. Genetic variations can result in changes in drug availability and can cause differences in the response of the organism to the drug. anticoagulant drug pathway pathway vpetri