- Phase II: Patients receive docetaxel IV over 1 hour on day 1 and oral erlotinib hydrochloride at the MTD determined in group II of phase I once daily on days 2-16. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. Patients may then continue to receive erlotinib hydrochloride alone in the absence of disease progression or unacceptable toxicity.