GNRH1 and prostate carcinoma: This systematic review aims to offer insights and serve as a reference for pharmacoeconomic studies related to the use of degarelix and luteinizing hormone-releasing hormone (LHRH) agonists in the treatment of prostate cancer.<h4>Methods</h4>We conducted a comprehensive search in databases including Embase, PubMed, the Cochrane Library, CNKI, Web of Science, Scopus, and the Tufts CEA Registry to identify cost-effectiveness studies on the use of degarelix and LHRH agonists in the treatment of prostate cancer, spanning from the inception of these databases up to December 30, 2025.