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The value of prophylactic cranial irradiation in limited-stage small cell lung cancer: should it always be recommended?
Radiation Oncology Journal ; : 156-165, 2019.
Article in English | WPRIM | ID: wpr-761014
ABSTRACT

PURPOSE:

Prophylactic cranial irradiation (PCI) is a standard treatment for limited-stage small cell lung cancer (LS-SCLC) showing a response to initial treatment, but many patients do not receive PCI due to comorbidities or refusal. This study aims to define the patient group for whom PCI can be omitted with minimal risk. MATERIALS AND

METHODS:

Patients with LS-SCLC who underwent radiotherapy with curative aim at our institution between January 2004 and December 2015 were retrospectively reviewed. Patients who did not receive PCI were evaluated for brain metastasis-free survival (BMFS), progression-free survival (PFS), overall survival (OS), and prognostic factors for survival, and treatment outcomes were compared with a patient cohort who received PCI.

RESULTS:

A total of 350 patients achieved a response following thoracic radiotherapy, and 190 of these patients did not receive PCI. Stage I–II and a complete response (CR) to initial therapy were good prognostic factors for BMFS and OS on univariate analysis. Patients with both stage I–II and a CR who declined PCI showed comparable 2-year BMFS to those who received PCI (92% vs. 89%). In patients who achieved CR, PCI did not significantly improve OS or PFS.

CONCLUSION:

There should be less concern about omitting PCI in patients with comorbidities if they have stage I–II or a CR, with brain metastasis control being comparable to those patients who receive PCI.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Radiotherapy / Brain / Comorbidity / Retrospective Studies / Cohort Studies / Cranial Irradiation / Disease-Free Survival / Small Cell Lung Carcinoma / Neoplasm Metastasis Type of study: Etiology study / Incidence study / Observational study / Prognostic study / Risk factors Limits: Humans Language: English Journal: Radiation Oncology Journal Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Radiotherapy / Brain / Comorbidity / Retrospective Studies / Cohort Studies / Cranial Irradiation / Disease-Free Survival / Small Cell Lung Carcinoma / Neoplasm Metastasis Type of study: Etiology study / Incidence study / Observational study / Prognostic study / Risk factors Limits: Humans Language: English Journal: Radiation Oncology Journal Year: 2019 Type: Article