Brief-intensive CBT Versus Once-weekly CBT in Anxiety-related Disorders

This study is comparing two schedules of cognitive behavioral therapy (CBT) for anxiety-related disorders — an intensive format (multiple sessions per week over a shorter period) versus the standard once-weekly format — to see if the faster approach works just as well. **You may be eligible if...** - You are 18 years old or older - You are seeking mental health treatment for one of the following: panic disorder, agoraphobia, generalized anxiety disorder, social anxiety disorder, PTSD (post-traumatic stress disorder), OCD (obsessive-compulsive disorder), or health anxiety **You may NOT be eligible if...** - You are under 18 - You have a different primary mental health condition (e.g., psychosis or active suicidal crisis) - You are already receiving another form of psychotherapy that would interfere with the study - You have conditions that make CBT engagement difficult or unsafe Talk to your doctor to see if this trial is right for you.