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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/52162
Title: The association between trough blood concentration and systemic exposure of tacrolimus: Comparison between once-daily (Advagraf®) and twice-daily (Prograf®) formulation in de novo kidney transplant recipients
Authors: Sayamon Sukkha
Busba Chindavijak
Wichit Nosoongnoen
Bunyong Phakdeekitchareon
Chagriya Kitiyakara
Vasant Sumethkul
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Mahidol University
Keywords: Medicine;Pharmacology, Toxicology and Pharmaceutics
Issue Date: 1-Jan-2019
Citation: Drug Metabolism and Pharmacokinetics. (2019)
Abstract: © 2019 The Japanese Society for the Study of Xenobiotics Available data of early conversion from twice-daily tacrolimus (TAC-BID) to once-daily tacrolimus (TAC-OD) in de novo kidney transplant (KT) recipients are limited. We conducted a prospective study of early conversion to TAC-OD in de novo KT recipients. Eligible patients were enrolled to receive TAC-BID (Prograf®) and then converted to TAC-OD (Advagraf®) by 1:1 ratio, approximately 14 days after KT (range 9–22). Blood samples were investigated for pharmacokinetic parameters before and 7–14 days after the conversion. Fifteen patients were included and provided AUC0-24 of 202.9 ± 44.4 ng h/mL for TAC-BID (pre-conversion) and 193.0 ± 63.4 ng h/mL for TAC-OD (post-conversion) (p = 0.41). Mean trough blood concentration (Cmin) of TAC-BID and TAC-OD was 6.4 ± 1.4 ng/mL and 4.9 ± 1.6 ng/mL (p = 0.01). Correlation coefficient (r) between Cmin and AUC0-24 of TAC-BID and TAC-OD were 0.620 and 0.875. Additional analysis found that patients with a drop of Cmin > 30% had a significant lower AUC0-24 after conversion. Renal function remains stable. We conclude that early conversion to TAC-OD is safe and well tolerated with an indifferent systemic exposure. However, patients with a drop of Cmin > 30% after conversion to TAC-OD will require additional dose adjustment.
URI: http://repository.li.mahidol.ac.th/dspace/handle/123456789/52162
metadata.dc.identifier.url: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85075516968&origin=inward
ISSN: 18800920
13474367
Appears in Collections:Scopus 2019

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