The study will enroll up to 375 participants aged 18 to 74 years, inclusive with a Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) confirmed primary diagnosis of GAD and a minimum HAM A total score of at least 20 at Screening and Baseline without clinically relevant medical or psychiatric history.
The study consists of a 12-week randomized, double-blind, single-dose administration period evaluating DT120 versus placebo, followed by a 40-week extension phase with the opportunity for open-label treatment. During this phase, participants will be monitored and evaluated for potential treatment with DT120 based on pre-specified safety and symptom severity criteria.
