Phase I Clinical and Pharmacokinetic Study of Pazopanib in a Population of Frail Elderly Patients According SIOG Criteria

Pazopanib will be administered orally at the starting dose of 400 mg/day in 28-days cycles ; barring limiting toxicities the dose of pazopanib will escalate in several steps (a maximum of 3 dose levels are defined : 400, 600 and 800 mg/day). The pazopanib will be administered at the same dosa until disease progression.