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