# Prophylactic Olanzapine Versus Placebo for Prevention of Postoperative Delirium After Joint Replacement Surgery

> **NCT00699946** · NA · COMPLETED · sponsor: **The New England Baptist Hospital** · enrollment: 495 (actual)

## Conditions studied

- Delirium

## Interventions

- **DRUG:** olanzapine
- **DRUG:** placebo

## Key facts

- **NCT ID:** NCT00699946
- **Lead sponsor:** The New England Baptist Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-01
- **Primary completion:** 2007-08
- **Final completion:** 2007-10
- **Target enrollment:** 495 (ACTUAL)
- **Last updated:** 2009-01-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00699946

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00699946, "Prophylactic Olanzapine Versus Placebo for Prevention of Postoperative Delirium After Joint Replacement Surgery". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT00699946. Licensed CC0.

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