antihemorrhagic drug pathway tranexamic acid drug pathway 2015-08-10T13:41:25Z PW:0001786 The pharmacokinetics and pharmacodynamics pathway of tranexamic acid, an inhibitor of enzymes involved in fibrinolysis and as such, effective in the treatment of certain bleeding disorders It is also used in surgery to prevent excessive bleeding. Genetic variations can result in changes in drug availability and can cause differences in the response of the organism to the drug. pathway vpetri