1. Diagnosed with histologically confirmed metastatic solid tumor - cancer of the lung (small cell or non small cell), prostate (adenocarcinoma), colorectum, kidney (renal cell carcinoma), pancreas (adenocarcinoma),or malignant melanoma, metastatic Ewing's sarcoma, or metastatic epithelial neoplasms and adenocarcinoma of unknown primary, and disease confirmed to be metastatic and unresectable for which standard curative or beneficial treatments are no longer effective