Bevacizumab and Erlotinib Followed by Cisplatin or Carboplatin and Gemcitabine in Treating Patients With Newly Diagnosed or Recurrent Stage IIIB or Stage IV NSCLC

Patients receive bevacizumab IV over 90 minutes on day 1 and oral erlotinib hydrochloride once daily on days 1-21. Treatment repeats every 3 weeks in the absence of disease progression or unacceptable toxicity.

Beginning within 3 weeks of documented disease progression, patients receive gemcitabine hydrochloride IV over 30 minutes on days 1 and 8. They also receive cisplatin IV over 1 hour or carboplatin IV over 30 minutes on day 1. Treatment with gemcitabine hydrochloride with either cisplatin or carboplatin repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity.