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Definitive re-irradiation of locally recurrent esophageal cancer after trimodality therapy in patients with a poor performance status.

ABSTRACT: There are few treatment guidelines for locally recurrent esophageal cancer after trimodality treatment (pre-operative chemoradiation followed by surgery) in patients with a poor performance status. The purpose of this single institutional, retrospective study was to evaluate the clinical outcomes and toxicities of definitive-intent re-irradiation for patients with recurrent esophageal cancer with a poor performance status [ECOG (Eastern Cooperative Oncology Group) ?2]. Seven patients were identified with a median age of 74 years (range, 61-81 years). Four patients were ECOG 2 and three patients were ECOG 3. The median follow-up time after re-irradiation was 49 months. The median interval between initial radiotherapy and re-treatment was 32 months. Six patients received concurrent chemotherapy [carboplatin + paclitaxel in three patients; folinic acid, fluorouracil, oxaliplatin (FOLFOX) + 5-fluorouracil in one patient; FOLFOX in one patient, and capecitabine in one patient]. At the last follow-up, the six patients who underwent concurrent chemotherapy had stable disease (86%), while the one who did not receive chemotherapy progressed (14%). Two patients developed metastases. Three patients developed acute (<6 months) grade 4 toxicities (dysphagia, anemia, esophagitis). There were no early deaths attributable to treatment. Late toxicities (>6 months) were limited to grades 1 and 2 dysphagia and pneumonitis in four patients. In conclusion, definitive re-irradiation of recurrent esophageal cancer in patients with a poor performance status appears to be safe with acceptable acute toxicity and late complications. It also appears to result in durable local control when combined with chemotherapy, albeit with a small number of patients and limited follow-up.

SUBMITTER: W Kim D

PROVIDER: S-EPMC7241232 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Definitive re-irradiation of locally recurrent esophageal cancer after trimodality therapy in patients with a poor performance status.

W Kim Daniel D Raoof Sana S Lamba Nayan N Lee Grace G S Bitterman Danielle D R Mahal Amandeep A N Sanford Nina N B Lam Miranda M J Mamon Harvey H

Molecular and clinical oncology 20200511 1

There are few treatment guidelines for locally recurrent esophageal cancer after trimodality treatment (pre-operative chemoradiation followed by surgery) in patients with a poor performance status. The purpose of this single institutional, retrospective study was to evaluate the clinical outcomes and toxicities of definitive-intent re-irradiation for patients with recurrent esophageal cancer with a poor performance status [ECOG (Eastern Cooperative Oncology Group) ≥2]. Seven patients were identi ...[more]

PMID: 32454972

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Project description:The treatment of locally recurrent lung cancer is a major challenge for radiation-oncologists, especially with data on high-dose reirradiation being limited to small retrospective studies. The aim of the present study is to assess overall survival (OS) for patients with locally recurrent lung cancer after high-dose thoracic reirradiation. Thirty-nine patients who were re-irradiated for lung cancer relapse between October 2013 and February 2019 were eligible for the current retrospective analysis. All patients were re-irradiated with curative intent for in-field tumor recurrence. The diagnostic work-up included a mandatory 18F-FDG-PET-CT scan and-if possible-histological verification. The ECOG was ≤2, and the interval between initial and second radiation was at least nine months. Thirty patients (77%) had non-small cell lung cancer (NSCLC), eight (20%) had small cell lung cancer (SCLC), and in one patient (3%) histological confirmation could not be obtained. More than half of the patients (20/39, 51%) received re-treatment with dose differentiated accelerated re-irradiation (DART) at a median interval of 20.5 months (range: 6-145.3 months) after the initial radiation course. A cumulative EQD2 of 131 Gy (range: 77-211 Gy) in a median PTV of 46 mL (range: 4-541 mL) was delivered. Patients with SCLC had a 3 mL larger median re-irradiation volume (48 mL, range: 9-541) compared to NSCLC patients (45 mL, range: 4-239). The median cumulative EQD2 delivered in SCLC patients was 84 Gy (range: 77-193 Gy), while NSCLC patients received a median cumulative EQD2 of 135 Gy (range: 98-211 Gy). The median OS was 18.4 months (range: 0.6-64 months), with tumor volume being the only predictor (p < 0.000; HR 1.007; 95%-CI: 1.003-1.012). In terms of toxicity, 17.9% acute and 2.6% late side effects were observed, with a toxicity grade >3 occurring in only one patient. Thoracic high dose reirradiation plays a significant role in prolonging survival, especially in patients with small tumor volume at recurrence.

Dataset Information

Definitive re-irradiation of locally recurrent esophageal cancer after trimodality therapy in patients with a poor performance status.

Publications

Definitive re-irradiation of locally recurrent esophageal cancer after trimodality therapy in patients with a poor performance status.

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