Capillary dried blood microsampling is not suited for dihydropyrimidine dehydrogenase (DPD) phenotypingKevin Vandenbrouckeon May 5, 2026 at 10:00 am
Clin Chem Lab Med. 2026 May 6. doi: 10.1515/cclm-2026-0146. Online ahead of print. ABSTRACT OBJECTIVES: Dihydropyrimidine dehydrogenase (DPD) phenotyping through uracil and dihydrouracil determination is a well-established approach to identify (partial) DPD deficiencies prior to fluoropyrimidine chemotherapy. However, preanalytical stability has challenged this test for years. This study therefore investigated whether dried blood spots (DBS) … Read more
