# Beta-blocker Before Extubation

> **NCT00563238** · NA · WITHDRAWN · sponsor: **Gregory A. Schmidt**

## Conditions studied

- Myocardial Ischemia

## Interventions

- **DRUG:** Metoprolol

## Key facts

- **NCT ID:** NCT00563238
- **Lead sponsor:** Gregory A. Schmidt
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2007-11
- **Primary completion:** 2009-12
- **Final completion:** 2009-12
- **Target enrollment:** 0 (ACTUAL)
- **Last updated:** 2017-02-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00563238

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00563238, "Beta-blocker Before Extubation". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT00563238. Licensed CC0.

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