The role of 5-hydroxytryptamine receptor 2A (HTR2A) gene polymorphisms in treatment-resistant obsessive-compulsive disorder: a comparative study with other treatment-resistant mental disorders

BMC Psychiatry. 2025 Oct 7;25(1):938. doi: 10.1186/s12888-025-07301-5. ABSTRACT BACKGROUND: This study investigates the role of genetic variations in the 5-Hydroxytryptamine Receptor 2A (HTR2A) gene in subjects with treatment-resistant obsessive-compulsive disorder...