Precision medicine has long been a tantalizing goal for the pharmaceutical and healthcare industries. Fields such as oncology and rare diseases have benefited greatly from implementation of genome-guided care. Drug developers likewise have made strides with biomarker-aided discovery programs and stratification for clinical trials. Current indications suggest that autoimmune diseases will be the next major focus of personalized medicine. The goal of precision medicine often is described as “getting the right drug to the right patient at the right time.