- PHARMACEUTICAL SOC JAPAN
In this paper, we describe the production of the first specific antibodies against the tyrosine kinase inhibitors lapatinib and nilotinib. Anti-lapatinib antibody was obtained by immunizing rabbits with an antigen conjugated with bovine serum albumin using 3-chloro-4((3-fluorobenzyl)oxy)aniline. Anti-nilotinib antibody was produced by immunizing mice with an antigen conjugated with bovine serum albumin using 2-(5-amino-2-methylanilino)-4-(3-pyridyl)pyrimidine. The generated antibodies were used to develop highly sensitive and specific enzyme-linked immunosorbent assays (ELISAs) for lapatinib and nilotinib in human serum. The assays were capable of detecting lapatinib and nilotinib at serum concentrations as low as 40 and 8 ng/mL, respectively. Using the two ELISAs, drugs levels were easily measured in the serum of rats after a single dose oral administration of lapatinib or nilotinib. The assays are therefore expected be valuable tools for therapeutic drug monitoring in the clinical setting and pharmacokinetic studies of lapatinib and nilotinib.
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- DOI : 10.1248/bpb.b15-00330
- ISSN : 0918-6158
- PubMed ID : 26424026
- Web of Science ID : WOS:000362047200028