Multimodal Cohort Study of Generalized Anxiety Disorder

Condition(s) studied

Study summary

Generalized anxiety disorder (GAD) is a common mental health condition characterized by persistent and excessive worry that is difficult to control. It can affect sleep, daily functioning, work, and quality of life. Some individuals experience long-lasting or recurrent symptoms, but the factors that influence the course and outcome of GAD are still not fully understood.

The main purpose of this study is to establish a long-term cohort of people with GAD and to better understand how their symptoms and health change over time. The study will also explore factors that may help predict symptom improvement, recurrence, and treatment outcomes.

Approximately 400 adults with GAD who receive care at Shanghai Mental Health Center will participate in this study. Participants will undergo regular clinical assessments and follow-up visits.

During the study, researchers will collect information about participants' symptoms, medical and treatment history, blood samples, and brain-related measurements. Participants will be followed at several time points to observe changes in symptoms and health. The information collected will be used to better understand the course of GAD and to support the development of more individualized approaches to diagnosis, treatment, and long-term care.

Eligibility

Primary outcome measure(s)

• Change in Hamilton Anxiety Rating Scale (HAMA) Total Score From Baseline — Baseline; Weeks 2, 4, 8, 12, 24, 36, and 48; and 1-year extended follow-up
  The Hamilton Anxiety Rating Scale (HAMA) is a clinician-rated scale used to assess the severity of anxiety symptoms. The scale consists of 14 items, each rated from 0 to 4, resulting in a total score ranging from 0 to 56. Higher scores indicate greater severity of anxiety symptoms. Changes in HAMA total scores from baseline will be assessed during follow-up.

Trial sites (1)

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