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  • Title: Neoadjuvant therapy for organ preservation in head and neck cancer.
    Author: Urba SG, Wolf GT, Bradford CR, Thornton AF, Eisbruch A, Terrell JE, Carpenter V, Miller T, Tang G, Strawderman M.
    Journal: Laryngoscope; 2000 Dec; 110(12):2074-80. PubMed ID: 11129024.
    Abstract:
    OBJECTIVES/HYPOTHESIS: We designed two sequential trials of induction chemotherapy followed by definitive radiation in patients with potentially resectable head and neck cancer to determine whether organ preservation is feasible without apparent compromise of survival Study Design Both trials were Phase II studies. METHODS: Two clinical trials were conducted sequentially at the University of Michigan. Fifty-two patients enrolled in the first study and were treated with a planned three cycles of carboplatin and 5-fluorouracil. Patients who achieved at least 50% reduction in the size of the primary tumor received definitive radiation therapy, to a dose of 6600 to 7380 cGy. Patients with minimal response or progression had immediate salvage surgery. Thirty-seven patients enrolled in the second trial, in which the chemotherapy consisted of carboplatin, 5-fluororuracil, and leukovorin. Responders were treated with accelerated radiation therapy, to a total dose of 7120 cGy delivered in 41 fractions over 5.5 weeks. RESULTS: Toxicity and response were similar in both trials; therefore, the results are reported first separately and then combined for all 89 patients. Tumor sites included: oropharynx, 55 patients; hypopharynx, 34 patients. Eighty-three percent of patients tolerated all three cycles of chemotherapy and toxicity was mild. Response to chemotherapy was: 48% complete response at the primary tumor site, and 34% partial response at the primary tumor site. Initial organ preservation at individual tumor sites was: oropharynx, 58%; hypopharynx, 59%. Median survival was 28 months, and survival at 3 and 5 years was 40% and 24%, respectively. CONCLUSIONS: These two regimens were well tolerated, and survival did not appear to be compromised by organ preservation treatment compared with historical controls. This approach warrants further investigation, particularly in those patients for whom surgery could be functionally debilitating.
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