Extract of Ginkgo Biloba and Tardive Dyskinesia

• Status: Completed
• Trial end date: 2007-08-01
• Target enrollment: 0
• Participant gender: All

Summary

The purpose of this study is to determine whether Extract of Ginkgo Biloba is effective in the treatment on Tardive dyskinesia

• Phase: Phase 3
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Beijing HuiLongGuan Hospital
• Collaborator: Peking University

Criteria

Inclusion Criteria:

• Male or female aged 18 to 60yrs

• Meeting Diagnostic and Statistical Manual of Mental Diseases, Fourth Edition(DSM-IV) criteria for schizophrenia or schizo-affective disorder

• Abnormal Involuntary Movement Scale (AIMS) score ≥2.

• Patients from whom informed, written consent is obtained.

• Patients who have been on a fixed dose of antipsychotic medication for at least 4 weeks prior to trial entry.

Exclusion Criteria:

• Significant neurological disorder other than TD

• Substance abuse

• Significant other medical illness

• Psychiatric disorder not stabilised

• Pregnancy or lactation

• Take antioxidants(such as Vitamin C)