Rates of treatment-resistant schizophrenia from first-episode cohorts: systematic review and meta-analysis.
Dan J SiskindStacy OrrSurabhi SinhaOu YuBhavna BrijballNicola WarrenJames Hunter MacCabeSophie E SmartMeshary Khaled N AlotibyPublished in: The British journal of psychiatry : the journal of mental science (2022)
Almost a quarter of people with first-episode psychosis or schizophrenia will develop TRS in the early stages of treatment. When including people with schizophrenia who relapse despite initial response and continuous treatment, rates of TRS may be as high as a third. These high rates of TRS highlight the need for improved access to clozapine and psychosocial supports.