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Original Article |
1 Department of Surgical Oncology, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, Pennsylvania 19111
2 Department of Radiation Oncology, Fox Chase Cancer Center 333 Cottman Avenue, Philadelphia, Pennsylvania 19111
3 Department of Medical Oncology, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, Pennsylvania 19111
4 Department of Biostatistics, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, Pennsylvania 19111
5 Office of Protocol Management, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, Pennsylvania 19111
Correspondence: Address correspondence and reprint requests to: Jonathan D. Cheng, MD; E-mail: j_cheng{at}fccc.edu.
Background: Multimodality therapy for esophageal cancer holds promise for improving outcome in this lethal disease. On the basis of encouraging data from a phase I trial, we conducted a phase II study of preoperative chemotherapy, followed by concurrent chemoradiotherapy and surgery.
Methods: Patients with clinically staged resectable esophageal cancer were treated with induction cisplatin and paclitaxel, followed by 45 Gy of external beam radiation with concurrent infusional 5-fluorouracil and weekly cisplatin and paclitaxel. Four to eight weeks after multimodality induction, esophagectomy was performed in suitable patients. Study end points were survival, pathologic complete response, and toxicity.
Results: Twenty-one patients were enrolled with a median age of 58 years, and all patients were clinically staged II or III. Sixteen (76.2%) patients completed the trial, of whom four (25%) had a pathologic complete response. One patient died from postoperative complications. Grade 3 or 4 toxicity was observed in 76% of patients, and dose-limiting toxicity was seen in 6 of the first 14 patients, thus necessitating a planned dose reduction of paclitaxel. At a median follow-up of 30 months, 13 patients remain alive. The 2-year disease-specific survival for the study population was 78%.
Conclusions: This regimen of multimodality therapy before resection resulted in an encouraging 2-year survival rate but a disappointing rate of pathologic complete response and was toxic, necessitating a predetermined paclitaxel dose reduction. The incorporation of taxanes into induction strategies for esophageal cancer seems promising, but the optimal schedule remains undefined.
Key Words: Esophageal cancer Induction Neoadjuvant Management Toxicity
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