Nonoperative therapy for squamous-cell cancer of the esophagus.

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Abstract
Based on the surgical pathology and survival for patients previous trials using a neoadjuvant program of chemotherapy (5-fluorouracil [5-FU]-cisplatin) and radiation (3,000 cGy) before surgery for squamous-cell cancer (SCC) of the esophagus, a nonoperative pilot trial was designed to test if survival and recurrence would differ from our historical controls if routine esophagectomy was eliminated. Twenty patients were treated. The protocol called for the delivery of 5-FU infusion (1,000 mg/m2/d .times. 4 d) days 1 to 4 and 29 to 32 with cisplatin (100 mg/m2) day 1 and 29 sandwiched around external beam radiation (3,000 cGy over 3 weeks). Mitomycin C (10 mg/m2) day 57 was administered with bleomycin infusion (20 U/d .times. 4 d) days 57 to 60 and 78 to 81. A radiation boost of 2,000 cGy was administered 200 cGy/d days 99 to 103 and 106 to 110. Clinical pulmonary toxicity forced withdrawal of bleomycin and mitomycin C in the last four patients treated; two further courses of 5-FU-cisplatin were adminstered instead. The median measurement of the 20 esophageal lesions by barium swallow was 7 cm. Four patients underwent salvage surgery to prevent life-threatening aspiration pneumonia. The median survival for the 20 patients is 22 months, with a range from 6 to 39 + months. The six patients clinically without cancer are alive 22 + to 39 + months (median, 35 + months). Three patients died manifesting only local (infield) recurrence; five died manifesting only distant recurrence; and five developed local and distant recurrence. While the toxicity of the four drug regimen as administered was prohibitive, the survival and quality of survival is superior to the regimen previously used, which routinely used surgery after preoperative chemotherapy and radiation.