A phase I study assessing the safety and pharmacokinetics of the thrombospondin-1-mimetic angiogenesis inhibitor ABT-510 with gemcitabine and cisplatin in patients with solid tumors.
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Gietema JA, Hoekstra R, de Vos FY, Uges DR, van der Gaast A, Groen HJ, Loos WJ, Knight RA, Carr RA, Humerickhouse RA, Eskens FA
A phase I study assessing the safety and pharmacokinetics of the thrombospondin-1-mimetic angiogenesis inhibitor ABT-510 with gemcitabine and cisplatin in patients with solid tumors.
Ann Oncol. 2006 Aug;17(8):1320-7. Epub 2006 May 25.
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- 16728485 [ View in PubMed]
- Abstract
BACKGROUND: The aim of the study was to determine the safety profile, pharmacokinetics and potential drug interactions of the angiogenesis inhibitor ABT-510 combined with gemcitabine-cisplatin chemotherapy in patients with solid tumors. PATIENTS AND METHODS: Patients with advanced solid tumors received gemcitabine 1250 mg/m2 intravenously (i.v.) on days 1 and 8 and cisplatin 80 mg/m2 on day 1 of a 3-week cycle in combination with ABT-510. ABT-510 was administered subcutaneously twice daily at doses of 50 mg or 100 mg. Plasma samples for pharmacokinetics were obtained on days 1 (gemcitabine, cisplatin as single agents), 15 (ABT-510 as single agent) and 22 (gemcitabine, cisplatin and ABT-510 as combination). RESULTS: Thirteen patients received ABT-510 as either 50 mg b.i.d. (seven patients) or 100 mg b.i.d. (six patients) in combination with gemcitabine-cisplatin. The most common reported adverse events reflected the known toxicity profile induced by gemcitabine-cisplatin without ABT-510. One episode of hemoptysis occurred in a patient with non-small-cell lung cancer (NSCLC) after 13 days of treatment. No clinically significant pharmacokinetic interactions between ABT-510, gemcitabine and platinum were observed. Three partial responses were observed in 12 evaluable patients (one head and neck cancer, one melanoma and one NSCLC). CONCLUSIONS: Combining ABT-510 at doses of 50 mg and 100 mg with gemcitabine-cisplatin is feasible. Pharmacokinetic interactions were not observed and adding ABT-510 does not appear to increase toxicity.
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