- Conditions
- Intracranial Surgery
- Interventions
- PCA fentanyl, PRN fentanyl
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 159 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2010
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced May 22, 2026, 1:16 AM EDT