Patients receive gemcitabine hydrochloride IV on days 1, 8, and 15. Patients receive oral MK0752 on days -14, -7, 1, 8, 15, and 22 in course 1 only and on days 1, 8, 15, and 22 beginning in course 2 and for all subsequent courses. Treatment with MK0752 and gemcitabine hydrochloride repeats every 28 days* for 6 courses in the absence of disease progression or unacceptable toxicity.