<qa>  What is the dose-escalation study of 3-AP?OUTLINE: This is a dose-escalation study of 3-AP Triapine.Patients receive 3-AP Triapine IV over 24 hours followed by gemcitabine hydrochloride IV over 100-125 minutes on days 1 and 8. Treatment repeats every 3 weeks for 12 courses in the absence of disease progression or unacceptable toxicity. 