Study of Pazopanib in the Treatment of Osteosarcoma Metastatic to the Lung

"For subjects \> 18 years of age and subjects 16-17 years of age with a BSA ≥ 1.6 Pazopanib 800mg once daily will be started on Cycle 1 Day 1 and will be administered continuously for each 28-day cycle. Subjects may continue study treatment until they develop disease progression or unacceptable toxicity.~For subjects 16-17 years of age with a BSA \< 1.6 m2, Pazopanib 600mg once daily will be started on Cycle 1 Day 1 and will be administered continuously for each 28-day cycle. Subjects may continue study treatment until they develop disease progression or unacceptable toxicity."