Interim Results of a Prospective Prostate-Specific Membrane Antigen-Directed Focal Stereotactic Reirradiation Trial for Locally Recurrent Prostate Cancer

Purpose To report the feasibility, toxicity, and preliminary outcomes (metabolic and biochemical) of 68Ga-prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT)–directed focal prostate reirradiation using linear accelerator (LINAC)–based stereotactic body radiation treatment (SBRT). Methods and Materials From March 2016 to March 2019, 25 patients were enrolled in a prospective single institution trial...