Protracted low-dose cisplatin infusion in advanced colorectal cancer.

Protracted, 24-hour, continuous-infusion cisplatin at a dose rate of 5 mg/m2/day was administered to 25 patients with advanced measurable colorectal cancer. All patients had previously received 5-FU administered on the same schedule. Sixteen patients received the infusion for greater than or equal to 14 days and were considered evaluable for response assessment. No patient achieved a response.