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Clinical Trial Summary

(1) to compare the differences of neural activation of pathological worry between pre-treatment GAD patients and normal subjects; (2) to measure the differences of brain activation on worry in GAD patients before and after duloxetine treatment


Clinical Trial Description

The study will recruit 20 GAD patients and 20 healthy controls. Both patients and controls receive a medical and psychiatric screening procedure at visit 1 and are asked to complete three self-rating questionnaires and one health questionnaire at visit 1. All qualified participants will receive functional magnetic resonance imaging (fMRI) at baseline.

The patients will begin treatment with duloxetine 30 mg/day at visit 2 and will be titrated to 60 mg/day at visit 3 (2 week since drug dispensed). The dosage will be maintained on 60 mg/day for 6 more weeks. During the period, the patients will receive periodic evaluations at visit 2 (0 week drug dispensed), 3 (2 week since drug dispensed), 4 (4 weeks since drug dispensed), and 5 (8 weeks since drug dispensed). The patients will receive fMRI examination at baseline and at the end of the 8-week treatment. ;


Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science


Related Conditions & MeSH terms


NCT number NCT00491348
Study type Interventional
Source National Taiwan University Hospital
Contact
Status Terminated
Phase N/A
Start date April 2007
Completion date November 2008

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