期刊
STRAHLENTHERAPIE UND ONKOLOGIE
卷 186, 期 5, 页码 255-261出版社
URBAN & VOGEL
DOI: 10.1007/s00066-010-2082-9
关键词
Recurrent head and neck cancer; Reirradiation; Radiochemotherapy; Chemoradiation; Docetaxel
To report follow-up data and results of a dose escalation within a prospective phase II protocol scheduling alternating chemoreirradiation for patients with unresectable locoregional recurrence of head and neck cancer after previous curative-intent radiotherapy. Chemoreirradiation was initially performed in 27 patients by 40.0 Gy split-course reirradiation (re-RT) alternating with three cycles of docetaxel 50 mg/m(2) day 1 and cisplatin 15 mg/m(2) days 2-5 (first cohort). From 2002 onward, 30 consecutively treated patients received a late-course concomitant boost to 49.6 Gy (second cohort). In July 2008, the survival outcome was analyzed separately for both cohorts and the entire collective (n = 57). The Kaplan-Meier estimates for 1- and 2-year overall survival (OS) were 52% and 24%, respectively (median OS 13.4 months). The median time of locoregional control was 9.6 months, and the actuarial 2-year freedom from distant metastasis rate was 55%. The re-RT dose escalation led to a significant improvement of the median OS (17.4 vs. 9.4 months; p = 0.039). Irrespective of the cohort, severe treatment-related toxicities occurred in about one third of patients. The treatment results confirm the efficacy and the safety of escalated re-RT doses in this chemoreirradiation protocol.
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