期刊
CANCER RESEARCH AND TREATMENT
卷 48, 期 3, 页码 1120-1129出版社
KOREAN CANCER ASSOCIATION
DOI: 10.4143/crt.2015.436
关键词
Imatinib mesylate; Pharmacokinetics; Therapeutic equivalency; Safety; Leukemia
类别
资金
- Sun Pharmaceutical Industries Limited (erstwhile Ranbaxy Laboratories Limited)
Purpose This study was designed to characterize the pharmacokinetic profile and to assess bioequivalence of the sponsor's test formulation (imatinib mesylate 400 mg tablets) with an innovator product (Gleevec 400 mg tablets, Novartis Pharmaceuticals) under fed conditions, in adult patients of Philadelphia chromosome positive chronic myeloid leukemia (Ph+CML) stabilized on imatinib mesylate 400 mg. In addition, the aim of this study was to monitor the safety profile of investigational medicinal products (IMPs). Materials and Methods A multicenter, randomized, open label, two-period, crossover, single dose bioequivalence study was designed for conduct under fed conditions in 42 adult Ph+CML patients already stabilized on imatinib 400 mg tablets. Pharmacokinetic parameters T-max, C-max, and AUC(0-24) were calculated using a non-compartmental model on validated WinNonlin software. Validated SAS software was used for statistical evaluation of data. The safety profile of investigational products was monitored during the course of study by applying a clinical process for recording observed untoward effects postadministration of investigational products. Results The 90% confidence intervals for the test/reference mean ratios of the ln-transformed PK variables C-max (99.0%) and AUC(0-24) (99.2%) were within an acceptable range of 80%-125%, as per bioequivalence assumptions. Both formulations were well tolerated after oral administration of IMPs. Conclusion The test product was found to be bioequivalent and safe, and thus can be used interchangeably in clinical practice.
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