# An Open Label, Double-blind Discontinuation Study of Quetiapine Extended Release(XR)

> **NCT00606541** · EARLY_PHASE1 · TERMINATED · sponsor: **Duke University** · enrollment: 55 (actual)

## Conditions studied

- Social Anxiety Disorder

## Interventions

- **DRUG:** Quetiapine XR
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00606541
- **Lead sponsor:** Duke University
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2008-01
- **Primary completion:** 2011-12
- **Final completion:** 2012-11
- **Target enrollment:** 55 (ACTUAL)
- **Why stopped:** The study was terminated by the sponsor due to budgetary issues
- **Last updated:** 2014-08-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00606541

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00606541, "An Open Label, Double-blind Discontinuation Study of Quetiapine Extended Release(XR)". Retrieved via AI Analytics 2026-07-25 from https://api.ai-analytics.org/clinical/NCT00606541. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*