A phase I pharmacokinetic study of the vascular disrupting agent ombrabulin (AVE8062) and docetaxel in advanced solid tumours

Ferry Eskens, P Tresca, D Tosi, L van Doorn, H Fontaine, Ate van der Gaast, C Veyrat-Follet, C Oprea, M Hospitel, V Dieras

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Background: The vascular disrupting agent ombrabulin shows synergy with docetaxel in vivo. Recommended phase II doses were determined in a dose escalation study in advanced solid tumours. Methods: Ombrabulin (30-min infusion, day 1) followed by docetaxel (1-h infusion, day 2) every 3 weeks was explored. Ombrabulin was escalated from 11.5 to 42mgm(-2) with 75 mgm(-2) docetaxel, then from 30 to 35 mgm(-2) with 100 mgm(-2) docetaxel. Recommended phase II dose cohorts were expanded. Results: Fifty-eight patients were treated. Recommended phase II doses were 35 mgm(-2) ombrabulin with 75 mgm(-2) docetaxel (35/75 mgm(-2); 13 patients) and 30 mgm(-2) ombrabulin with 100 mgm(-2) docetaxel (30/100 mgm(-2); 16 patients). Dose-limiting toxicities were grade 3 fatigue (two patients; 42/75, 35/100), grade 3 neutropaenic infection (25/75), grade 3 headache (42/75), grade 4 febrile neutropaenia (30/100), and grade 3 thrombosis (35/ 100). Toxicities were consistent with each agent; mild nausea/vomiting, asthaenia/fatigue, alopecia, and anaemia were common, as were neutropaenia and leukopaenia. Diarrhoea, nail disorders and neurological symptoms were frequent at 100 mgm(-2) docetaxel. Pharmacokinetic analyses did not show any relevant drug interactions. Ten patients had partial responses (seven at 30 mgm(-2) ombrabulin), eight lasting > 3 months. Conclusions: Sequential administration of ombrabulin with 75 or 100 mgm(-2) docetaxel every 3 weeks is feasible.
Original languageUndefined/Unknown
Pages (from-to)2170-2177
Number of pages8
JournalBritish Journal of Cancer
Issue number9
Publication statusPublished - 2014

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  • EMC MM-03-86-08

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