- Conditions
- Emphysema
- Interventions
- Sildenafil 20 MG, Placebo Oral Tablet, Pulse wave velocity, Carotid artery compliance and stiffness, Pressure wave reflection
- Drug · Diagnostic Test
- Lead sponsor
- Eric A. Hoffman
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 162 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
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