학술논문

A phase I study of the safety and pharmacokinetics of the histone deacetylase inhibitor belinostat administered in combination with carboplatin and/or paclitaxel in patients with solid tumours.
Document Type
Journal Article
Source
British Journal of Cancer. 6/29/2010, Vol. 103 Issue 1, p12-17. 6p. 1 Black and White Photograph, 6 Charts, 1 Graph.
Subject
*PHARMACOKINETICS
*DRUG toxicity
*PACLITAXEL
*HISTONE deacetylase
*DRUG administration
*CARCINOGENESIS
Language
ISSN
0007-0920
Abstract
Background: This phase I study assessed the maximum tolerated dose, dose-limiting toxicity (DLT) and pharmacokinetics of belinostat with carboplatin and paclitaxel and the anti-tumour activity of the combination in solid tumours.Methods: Cohorts of three to six patients were treated with escalating doses of belinostat administered intravenously once daily, days 1-5 q21 days; on day 3, carboplatin (area under the curve (AUC) 5) and/or paclitaxel (175 mg m(-2)) were administered 2-3 h after the end of the belinostat infusion.Results: In all 23 patients received 600-1000 mg m(-2) per day of belinostat with carboplatin and/or paclitaxel. No DLT was observed. The maximal administered dose of belinostat was 1000 mg m(-2) per day for days 1-5, with paclitaxel (175 mg m(-2)) and carboplatin AUC 5 administered on day 3. Grade III/IV adverse events were (n; %): leucopenia (5; 22%), neutropenia (7; 30%), thrombocytopenia (3; 13%) anaemia (1; 4%), peripheral sensory neuropathy (2; 9%), fatigue (1; 4%), vomiting (1; 4%) and myalgia (1; 4%). The pharmacokinetics of belinostat, paclitaxel and carboplatin were unaltered by the concurrent administration. There were two partial responses (one rectal cancer and one pancreatic cancer). A third patient (mixed mullerian tumour of ovarian origin) showed a complete CA-125 response. In addition, six patients showed a stable disease lasting > or =6 months.Conclusion: The combination was well tolerated, with no evidence of pharmacokinetic interaction. Further evaluation of anti-tumour activity is warranted. [ABSTRACT FROM AUTHOR]