- Conditions
- Sickle Cell Disease, Priapism
- Interventions
- sildenafil, placebo
- Drug · Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 14 Years to 45 Years · Male only
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
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- Conditions
- Traumatic Brain Injury
- Interventions
- Sildenafil Citrate 50Mg Tab, functional Near-infrared Spectroscopy (fNIRS), Carbon Dioxide (CO2) 5%, Neuropsychological Assessments, Gadolinium contrast infusion, Blood sample collection for research purposes, Structural brain Magnetic Resonance Imaging (MRI
- Drug · Device · Other + 1 more
- Lead sponsor
- Uniformed Services University of the Health Sciences
- Federal
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland