A gene-drug interaction occurs when a patients genetic CYP450 type affects that patients ability to clear a drug which leads to adverse drug reactions. The gene-drug interaction chart provides supplementary information about which pharmacokinetic genes are involved in the metabolism of each medication. . It is simply intended to augment the patient results on the interpretative pages, which serve as the primary resource to help guide treatment decisions. Pharmacoepidemiology Researches invites an article to publish in the Journal of Pharmacovigilance and Pharmacoepidemiology. Pharmacovigilance and Pharmacoepidemiology is a scholarly journal maintaining high standards of Pharmacoepidemiology Researches. This Journal runs with scientific excellence and propagates the peer review process very quickly.