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At least 307 records · Page 17Linked to original sources
PubMed1985

Chemotherapy of large bowel carcinoma--fluorouracil (FU) + hydroxyurea (HU) vs. methyl-CCNU, oncovin, fluorouracil, and streptozotocin (MOF-Strep). An Eastern Cooperative Oncology Group study.

In this prospective randomized study of initial chemotherapy for advanced measurable metastatic large bowel carcinoma, the response rate was 6/32 (19%) for FU + HU and 5/32 (16%) for MOF-Strep; the estimated median survival is 43 weeks for both treatments. Patients who received MOF-Strep experienced substantially greater vomiting and hematologic toxicity than patients who received FU + HU (p less than 0.001).

Antineoplastic Combined Chemotherapy Protocols↗
PubMed2005

Improvement in 5-fluorouracil (5-FU) and 5-fluoro-2'-deoxyuridine (FdUrd) concentration by 5-fluorouracil-polyethylene-glycol-liposomes in abdominal stop-flow: treatment of VX2 liver-tumor-bearing rabbits.

The application of liposome-encapsulated cytostatics results in higher concentrations in tumor tissue. This effect can be further increased by blood flow retardation with longer retention time in the tumor and by arterial administration. In abdominal stop-flow therapy, a separate partial circulation with a defined flow is realized via a roller pump under hypoxic conditions. Forty chinchilla rabbits with VX-2 liver tumors were treated either intra-aortally (stop-flow therapy) or systemically with 50 mg 5-FU or 5-FU-PEG liposomes. During therapy, pH and pO2 were measured at regular intervals. After 20 minutes, concentrations of 5-FU and its metabolite FdUrd were determined by HPLC in different organs and the liver tumor. Compared to the i.v. application of monosubstances, the combination of i.a. 5-FU-PEG liposomes and flow retardation increased the concentration in tumor tissue by a factor of 44 and even 100-fold in the para-aortal lymph nodes (LN). The concentration of 5-FU and FdUrd was increased by flow reduction, intraaortal application and liposomal encapsulation of 5-FU.

Animals↗
PubMed2002

Randomized, open-label, phase III study of a 28-day oral regimen of eniluracil plus fluorouracil versus intravenous fluorouracil plus leucovorin as first-line therapy in patients with metastatic/advanced colorectal cancer.

PURPOSE: To compare the efficacy and tolerability of eniluracil (EU)/fluorouracil (5-FU) with that of 5-FU/leucovorin (LV) as first-line therapy for patients with metastatic/advanced colorectal cancer. PATIENTS AND METHODS: This multicenter, randomized, open-label, phase III study (FUMA3008) conducted in the United States and Canada compared the safety and efficacy of EU/5-FU (11.5 mg/m(2)/1.15 mg/m(2) twice daily for 28 days every 35 days) with that of intravenous 5-FU/LV (425 mg/m(2)/20 mg/m(2) once daily for 5 days every 28 days) in patients with previously untreated metastatic colorectal cancer. Overall survival (OS) was the primary end point. RESULTS: A total of 981 patients were randomized and 964 patients received treatment (485 EU/5FU, 479 5FU/LV). Survival for EU/5-FU was not statistically equivalent (but not statistically inferior) to that for 5-FU/LV (hazard ratio, 0.880; 95% confidence interval [CI], 0.75 to 1.03). Median duration of survival was 13.3 months in the EU/5-FU group and 14.5 months in the 5-FU/LV group. Median duration of progression-free survival for EU/5-FU was statistically inferior to that of the control group (20.0 weeks [95% CI, 19.1 to 20.9 weeks] v 22.7 weeks [95% CI, 18.3 to 24.6 weeks]; P =.01). Both treatments were well tolerated. Diarrhea was the most common nonhematologic toxicity in both groups; treatment-related grade 3 or 4 diarrhea occurred in 19% of patients treated with EU/5-FU and 16% of patients receiving 5-FU/LV (P =.354). Grade 3 or 4 granulocytopenia occurred in 5% of EU/5-FU patients and 47% of 5-FU/LV patients. CONCLUSION: Safety profiles of both treatments were acceptable. Although antitumor activity was observed, EU/5-FU did not meet the protocol-specified statistical criteria for equivalence to 5-FU/LV in terms of OS.

Administration, Oral↗