Suberoylanilide Hydroxamic Acid in Treating Patients With Advanced Solid Tumors That Have Not Responded to Previous Therapy

RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die.
PURPOSE: Phase I trial to study the effectiveness of suberoylanilide hydroxamic acid in treating patients who have advanced primary or metastatic solid tumors that have not responded to previous therapy.