naproxen drug pathway naproxen pharmacodynamics pathway 2015-09-17T12:34:29Z PW:0001915 SMP:00120 The pathway of naproxen-target interaction and of the biochemical or physiological responses to drug. Naproxen is an inhibitor of cyclooxygenase enzymes used in the treatment of pain and inflammation. Genetic variations can cause differences in the response of the organism to the drug. pathway vpetri