heparin group drug pathway enoxaparin drug pathway 2015-12-07T09:57:16Z PW:0002330 The pharmacokinetics and pharmacodynamics pathway of enoxaparin, a low molecular weight heparin derivative. The drug is an anticoagulant that activates the thrombin inhibitor antithrombin III (AT). Genetic variations can result in changes in drug availability and can cause differences in the response of the organism to the drug. pathway vpetri