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Clinical Trial
. 2018 Jun;65(6):e27006.
doi: 10.1002/pbc.27006. Epub 2018 Feb 12.

Esophagitis associated with multimodality management of pediatric Ewing sarcoma of thorax

Vibhuti Agarwal  1 , Natalie Logie  2 , Christopher G Morris  2 , Julie A Bradley  2 , Ronny L Rotondo  2 , Scott M Bradfield  1 , Daniel J Indelicato  2
Affiliations
Clinical Trial

Esophagitis associated with multimodality management of pediatric Ewing sarcoma of thorax

Vibhuti Agarwal et al. Pediatr Blood Cancer. 2018 Jun.

Abstract

Background: Ewing sarcoma of the thoracic spine and chest wall is frequently treated with concurrent chemotherapy and radiation therapy (RT). Treatment-related acute esophagitis can lead to hospitalization and treatment delays. The aim of this study was to analyze the incidence, risk factors, and management of esophagitis in pediatric patients with Ewing sarcoma of the thoracic region.

Methods: We conducted a single-institution retrospective review of patients treated over a 10-year period. Medical records were reviewed for patient and treatment characteristics associated with Common Terminology Criteria for Adverse Events grade 2 or higher esophagitis. RT plans were also reviewed and various esophageal dose metrics were analyzed.

Results: Twelve of 37 patients (32%) developed acute esophagitis. Neutropenia was associated with an increased risk of esophagitis (60% vs. 14%; P < 0.01). RT significantly contributed to its incidence when maximum esophageal dose was >47 Gy (69% vs. 5%; P < 0.0001) and esophageal D5cm3 was >15 Gy (67% vs. 9%; P < 0.001). All 12 patients with esophagitis were managed with oral opioid analgesics. Nine patients with persistent symptoms received subsequent fluconazole for empiric fungal treatment and each had a decreased need for opioid analgesics within 2-5 days.

Conclusion: Approximately one-third of patients with Ewing sarcoma of the thoracic region will develop acute esophagitis. An esophageal D5cm3 dose < 15 Gy and maximal esophageal dose < 47 Gy may keep the rate of acute esophagitis under 5%. However, the association with neutropenia and consistent response to antifungal therapy suggest chemotherapy-associated toxicity and an infectious component as part of the process.

Keywords: Ewing sarcoma; disease management; esophagitis; radiation therapy; thorax.

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