# A Research Study to Evaluate the Effectiveness of Dexmedetomidine in Preventing Delirium After Heart Surgery

> **NCT00464763** · PHASE3 · WITHDRAWN · sponsor: **Hospira, now a wholly owned subsidiary of Pfizer**

## Conditions studied

- Delirium

## Interventions

- **DRUG:** Dexmedetomidine
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00464763
- **Lead sponsor:** Hospira, now a wholly owned subsidiary of Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2007-04
- **Primary completion:** —
- **Final completion:** 2007-09
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** The incidence of post-operative delirium observed from interim blinded data in DEX-06-09 was significantly lower than the current literature in this population.
- **Last updated:** 2017-03-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00464763

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00464763, "A Research Study to Evaluate the Effectiveness of Dexmedetomidine in Preventing Delirium After Heart Surgery". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT00464763. Licensed CC0.

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