TNF and Crohn disease: Moreover, with the expectation that an increasing number of Crohn’s disease patients will be treated with a top-down approach with anti-TNF therapies, timely TDM becomes even more crucial.11 While our study utilized stored serum samples for evaluation, recent research has shown that POCT correlates well with finger prick capillary blood sampling, making it feasible for patients to perform sampling at home.7 By eliminating the need for venipuncture and providing rapid results, POCT can streamline the TDM process.5,12