Administer as IV infusion over 60 min.
Unresectable stage III NSCLC 10 mg/kg every 2 wk until disease progression, unacceptable toxicity, or max of 12 mth.
ES-SCLC 1,500 mg in combination w/ chemotherapy every 3 wk (21 days) for 4 cycles, followed by 1,500 mg every 4 wk as single agent until disease progression or unacceptable toxicity.
Patient weighing ≤30 kg 20 mg/kg in combination w/ chemotherapy every 3 wk (21 days) for 4 cycles, followed by 20 mg/kg every 4 wk as single agent until wt increases to >30 kg.