{Reference Type}: Editorial {Title}: Pharmacogenetic and pharmacogenomic treatment of rheumatoid arthritis: a review of Pharmacogenomics Knowledge Base scientific evidence. {Author}: Dorado P;M Peñas-Lledó E; {Journal}: Pharmacogenomics {Volume}: 25 {Issue}: 2 {Year}: 2024 Jan 17 {Factor}: 2.638 {DOI}: 10.2217/pgs-2023-0230 {Abstract}: Tweetable abstract Update on the genetic variants with the highest level of Pharmacogenomics Knowledge Base evidence for their association with toxicity and efficacy in response to the most commonly used disease-modifying antirheumatic drugs for the treatment of rheumatoid arthritis.