These indices have been developed and updated over the past decade. The results have been published in peer-reviewed medical journals and independently validated. The GPA will help patients and their doctors select appropriate treatment and is also used to stratify clinical trials...
17. Sperduto PW, De BS, Li J, et al. The Graded Prognostic Assessment (GPA) for Lung Cancer Patients with Brain Metastases: Initial Report of the Small Cell Lung Cancer GPA and Update of the Non-Small Cell Lung Cancer GPA including the Effect of Programmed Death Ligand-1 (PD-L1) and Other Prognostic Factors. Int J Radiat Oncol Biol Phys, 2022:114(1);60-74. https://pubmed.ncbi.nlm.nih.gov/35331827/...
BrainMetGPA: The GPA mobile app is a tool that helps provide a diagnosis-specific estimate of survival for patients with brain metastases. Actual outcomes for individual patients can vary widely.