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- Title
A phase 0 clinical trial of novel candidate extended-release formulations of capecitabine.
- Authors
Jacobs, Bart; Meulenaar, Jelte; Rosing, Hilde; Pluim, Dick; Tibben, Matthijs; Vries, Niels; Nuijen, Bastiaan; Huitema, Alwin; Beijnen, Jos; Schellens, Jan; Marchetti, Serena; Jacobs, Bart A W; Tibben, Matthijs M; de Vries, Niels; Huitema, Alwin D R; Beijnen, Jos H; Schellens, Jan H M
- Abstract
<bold>Purpose: </bold>To examine the pharmacokinetic (PK) profile of several candidate extended-release (ER) formulations of capecitabine in patients. <bold>Methods: </bold>In a phase 0 clinical study, PK profiles of several oral candidate ER formulations of capecitabine were compared to the PK profile of capecitabine after administration of the commercially available immediate-release (IR) tablet. A single dose of 1000 mg IR formulation (two 500 mg tablets) was administered on day 1, and a single dose of a 1000 mg candidate ER formulation of capecitabine (two 500 mg tablets) was administered on day 2. Candidate ER formulations of capecitabine differed with regard to the amount of the ER excipient (Kollidon(®) SR) in tablet matrix (0-5 % w/w) and coating (0-12 mg/cm(2)). <bold>Results: </bold>PK profiles of nine different candidate ER formulations were examined. The tablet coating seemed the main determinant for ER of capecitabine and tablet integrity. Average (±standard deviation) AUC0-2h, relative to AUC0-2h after oral administration of the IR tablet, were 43.3 % (±34.9 %) and 1.2 % (±1.2 %) for candidate ER formulations coated with 3 and 6 mg/cm(2), respectively. Corresponding AUC0-last were 93.6 % (±40.2 %) and 44.0 % (±5.4 %). <bold>Conclusion: </bold>Modulation of capecitabine release in patients can be accomplished by varying tablet coating content. Proof of principle was demonstrated for candidate ER formulations with coating content of 3 mg/cm(2).
- Subjects
PRODRUGS; PHARMACOKINETICS; CLINICAL trials; DRUG tablets; ORAL medication; THERAPEUTICS; ANTIMETABOLITES; ANTINEOPLASTIC agents; COMPARATIVE studies; CONTROLLED release preparations; CROSSOVER trials; DOSAGE forms of drugs; RESEARCH methodology; MEDICAL cooperation; RESEARCH; TUMORS; EVALUATION research; INVESTIGATIONAL drugs
- Publication
Cancer Chemotherapy & Pharmacology, 2016, Vol 77, Issue 6, p1201
- ISSN
0344-5704
- Publication type
journal article
- DOI
10.1007/s00280-016-3035-5