Safety and Efficacy of S-8184 in Second Line Treatment of Stage III or IV Colorectal Adenocarcinoma

Inclusion Criteria: Histologic diagnosis of colorectal adenocarcinoma Stage III or IV (Dukes's stage C or D) One and only one prior cytotoxic chemotherapy regimen which must have included 5-FU Adult (18 years of age or older) patients Adequate hematologic function (ANC greater than 1500 cells/mm3 and platelets greater than 100,000/mm3) Serum creatinine less than 2.0 mg/dL Total bilirubin less than 1.5 mg/dL; SGOT and SGPT less than 3 times the upper limit of institutional normal values ECOG performance status of 0 - 2 Bidimensional measurable disease Patients who have signed an IRB / Ethics Committee approved informed consent Life expectancy at least 12 weeks Patient has fully recovered from any previous surgery (at least 4 weeks since major surgery) Patient has a negative pregnancy test prior to study entry if premenopausal. (Patients of child bearing potential must use a medically effective form of contraception during the treatment.) Exclusion Criteria: Patients who have received any taxane-containing preparation including Taxol (paclitaxel) or Taxotere (docetaxel) Females who are pregnant or lactating Patients with peripheral neuropathy NCI-CTC grade 2 or greater Patients who have received wide-field radiation, cytotoxic chemotherapy or hormonal therapy within 4 weeks of study entry; or mitomycin or nitrosoureas within 6 weeks of study entry Patients who have had an investigational agent within 4 weeks of study entry Patients receiving concurrent anticonvulsants known to induce P450 isoenzymes