Reirradiation+ hyperthermia for recurrent breast cancer en cuirasse

Reirradiation+ hyperthermia for recurrent breast cancer en cuirasse Background and purpose Patients with irresectable locoregional recurrent breast cancer en cuirasse (BCEC) do not have effective curative treatment options. Hyperthermia, the elevation of tumor temperature to 40–45 °C, is a well-established radio- and chemotherapy sensitizer. A total of 196 patients were treated with reirradiation and hyperthermia (reRT+HT) at two Dutch institutes from 1982–2005. The palliative effect was evaluated in terms of clinical outcome and toxicity. Patients and methods All patients received previous irradiation to a median dose of 50 Gy. In all, 75% of patients received 1–6 treatment modalities for previous tumor recurrences. ReRT consisted of 8 × 4 Gy given twice a week or 12 × 3 Gy given four times a week. Superficial hyperthermia was added once or twice a week. Tumor area comprised ≥½of the ipsilateral chest wall. Results Overall clinical response rate was 72% (complete response [CR] 30%, partial response [PR] 42%, stable disease [SD] 22%, progressive disease [PD] 6%). The local progression-free rate at 1 year was 24%. Median survival was 6.9 months. Forty-three percent of our patients with CR, PR, SD after treatment remained infield progression-free until death or last follow-up. Acute ≥grade 3 toxicity occurred in 33% of patients, while late http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Strahlentherapie und Onkologie Springer Journals

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Publisher
Springer Journals
Copyright
Copyright © 2017 by The Author(s)
Subject
Medicine & Public Health; Radiotherapy; Oncology
ISSN
0179-7158
eISSN
1439-099X
D.O.I.
10.1007/s00066-017-1241-7
Publisher site
See Article on Publisher Site

Abstract

Background and purpose Patients with irresectable locoregional recurrent breast cancer en cuirasse (BCEC) do not have effective curative treatment options. Hyperthermia, the elevation of tumor temperature to 40–45 °C, is a well-established radio- and chemotherapy sensitizer. A total of 196 patients were treated with reirradiation and hyperthermia (reRT+HT) at two Dutch institutes from 1982–2005. The palliative effect was evaluated in terms of clinical outcome and toxicity. Patients and methods All patients received previous irradiation to a median dose of 50 Gy. In all, 75% of patients received 1–6 treatment modalities for previous tumor recurrences. ReRT consisted of 8 × 4 Gy given twice a week or 12 × 3 Gy given four times a week. Superficial hyperthermia was added once or twice a week. Tumor area comprised ≥½of the ipsilateral chest wall. Results Overall clinical response rate was 72% (complete response [CR] 30%, partial response [PR] 42%, stable disease [SD] 22%, progressive disease [PD] 6%). The local progression-free rate at 1 year was 24%. Median survival was 6.9 months. Forty-three percent of our patients with CR, PR, SD after treatment remained infield progression-free until death or last follow-up. Acute ≥grade 3 toxicity occurred in 33% of patients, while late

Journal

Strahlentherapie und OnkologieSpringer Journals

Published: Dec 20, 2017

References

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