Figure 1. . Comparison of the highest levels of clinical evidence for the four selected pharmacogenetic case examples.
Clopidogrel for patients that received percutaneous coronary intervention; β-blockers for patients with inherited LQTS; thiopurines for patients with acute lymphoblastic leukemia; and epidermal growth factor inhibitors for patients with colon cancer.
LQTS: Long QT syndrome; RCT: Randomized controlled trial.