Stereotactic Radiosurgery with or without Whole Brain Radiotherapy for Limited Brain Metastases: A Secondary Analysis of the NCCTG N0574 (Alliance) Randomized Controlled Trial

There are conflicting data regarding whether adjuvant whole brain radiotherapy (WBRT) improves survival among patients with 1-3 brain metastases and favorable prognostic factors. Our post-hoc analysis of the N0574 trial demonstrated that overall survival did not differ according to the use of WBRT among non-small cell lung cancer patients with favorable (p=0.63) or unfavorable (p=0.85) diagnosis-specific graded prognostic assessment scores. In patients with limited (1-3) brain metastases, stereotactic radiosurgery alone remains a preferred treatment approach.

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