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  • Title: Phase I/II study of divided-dose docetaxel, cisplatin and fluorouracil for patients with recurrent or metastatic squamous cell carcinoma of the esophagus.
    Author: Ojima T, Nakamori M, Nakamura M, Katsuda M, Hayata K, Matsumura S, Iwahashi M, Yamaue H.
    Journal: Dis Esophagus; 2017 Feb 01; 30(2):1-7. PubMed ID: 26725778.
    Abstract:
    Squamous cell carcinoma of the esophagus (SCCE) has a poor prognosis compared with other gastrointestinal cancers. Many patients present with locoregional unresectable or metastatic disease at the time of diagnosis. For these patients with metastatic esophageal cancer, chemotherapy is generally indicated. The aim of this phase I/II study was to evaluate the efficacy and safety of the combined use of docetaxel, cisplatin (CDDP) and 5-fluorouracil (5-FU)(DCF) in patients with recurrent/metastatic SCCE. This study adopted divided doses of docetaxel and CDDP in order to reduce the toxicities of the treatment. The dose of docetaxel was escalated using the following protocol in the phase I stage: level 1, 30 mg/m2; level 2, 35 mg/m2 and level 3, 40 mg/m2, which was intravenously infused for 2 hours on days 1 and 8. CDDP was administered at a dose of 12 mg/m2 infused for 4 hours on days 1-5. The 5-FU was administered at a dose of 600 mg/m2 continuously infused from day 1 to 5. This regimen was repeated every 4 weeks. The study subjects were nine patients (phase I) and 48 patients (phase II). The recommended dose was determined as level 3 in phase I. In the phase II stage, the overall response rate was 62.5%, with a complete response rate of 12.5%. The median progression-free survival was 6 months, and the median overall survival was 13 months. Grade 3/4 toxicities of leukopenia, neutropenia and febrile neutropenia occurred in 64.6%, 68.8% and 14.6% of the patients, while grade 3/4 non-hematological toxicities were relatively rare. No treatment-related death was recorded. This modified DCF regimen with divided doses can be a tolerable and useful regimen of definitive chemotherapy for unresectable SCCE because of its high efficacy, although adequate care for severe neutropenia must be administered.
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