A Phase 1/2 Study of Definitive Chemoradiation Therapy Using Docetaxel, Nedaplatin, and 5-Fluorouracil (DNF-R) for Esophageal Cancer
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo (Japan)
- Division of Gastroenterology, Hokkaido Cancer Center, Sapporo (Japan)
- Department of Radiology, Sapporo Medical University School of Medicine, Sapporo (Japan)
- Department of Gastroenterology and Oncology, University of Tokushima, Tokushima (Japan)
Purpose: Patient survival in esophageal cancer (EC) remains poor. The purpose of this study was to investigate a regimen of definitive chemoradiation therapy (CRT) that exerts good local control of EC. We performed a phase 1/2 study to assess the safety and efficacy of CRT with docetaxel, nedaplatin, and 5-fluorouracil (DNF-R). Methods and Materials: Eligible patients presented with stage IB to IV EC. Patients received 2 cycles of docetaxel (20, 30, or 40 mg/m{sup 2}) and nedaplatin (50 mg/m{sup 2}) on days 1 and 8 and a continuous infusion of 5-fluorouracil (400 mg/m{sup 2}/day) on days 1 to 5 and 8 to 12, every 5 weeks, with concurrent radiation therapy (59.4 Gy/33 fractions). The recommended dose (RD) was determined using a 3 + 3 design. Results: In the phase 1 study, the dose-limiting toxicities were neutropenia and thrombocytopenia. The RD of docetaxel was determined to be 20 mg/m{sup 2}. In the phase 2 study, grade 3 to 4 acute toxicities included neutropenia (42.8%), febrile neutropenia (7.14%), thrombocytopenia (17.9%), and esophagitis (21.4%). Grade 3 to 4 late radiation toxicity included esophagostenosis (10.7%). The complete response rate was 82.1% (95% confidence interval: 67.9-96.3%). Both the median progression-free survival and overall survival were 41.2 months. Conclusions: DNF-R showed good tolerability and strong antitumor activity, suggesting that it is a potentially effective therapeutic regimen for EC.
- OSTI ID:
- 22458786
- Journal Information:
- International Journal of Radiation Oncology, Biology and Physics, Vol. 93, Issue 2; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 0360-3016
- Country of Publication:
- United States
- Language:
- English
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