Objective: To assess safety and feasibility of TPLA for PCa, to assess functional and oncological outcomes of TPLA for PCa and to determine baseline patient characteristics in a multicentre cohort. Study design: This is an international, retrospective observational registry in which data is recorded of patients who have been treated with TPLA for PCa. Study population: Male patients treated with TPLA for PCa. Main study parameters/endpoints: The primary endpoint of this registry is oncological outcomes of TPLA for PCa. Secondary endpoints are safety, feasibility and functional outcomes of TPLA for PCa.