- Phase II arm II: Patients receive docetaxel and oxaliplatin as in arm I. Patients also receive an oral placebo once daily on days 1-21. Treatment repeats every 21 days for up to 8 courses in the absence of disease progression or unacceptable toxicity. Patients with responding or stable disease may continue to receive vandetanib beyond 8 courses in the absence of disease progression or unacceptable toxicity.