- Conditions
- Traumatic Brain Injury
- Interventions
- Sildenafil Citrate low dose, Placebo, Sildenafil medium dose, Sildenafil high dose
- Drug
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–12
of 12
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Hypertension
- Interventions
- Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
- Drug · Dietary Supplement · Other
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 152 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2017
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Duchenne Muscular Dystrophy
- Interventions
- Tadalafil and Sildenafil
- Drug
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 7 Years to 15 Years · Male only
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2012
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Pulmonary Hypertension, Pulmonary Artery Pressure, Exercise Performance, Air Pollution
- Interventions
- sildenafil, placebo
- Drug · Other
- Lead sponsor
- Marywood University
- Other
- Eligibility
- 18 Years to 30 Years · Male only
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Scranton, Pennsylvania
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- Sildenafil citrate
- Drug
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Eligibility
- 1 Year to 17 Years
- Enrollment
- 234 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2012
- U.S. locations
- 11
- States / cities
- Palo Alto, California • Stanford, California • Aurora, Colorado + 7 more
- Conditions
- Scleroderma, Mildly Elevated Pulmonary Pressures
- Interventions
- Sildenafil, Placebo
- Drug · Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 2
- States / cities
- New Orleans, Louisiana • Baltimore, Maryland
- Conditions
- NAFLD
- Interventions
- Leu-Met-Sil 0.5, Leu-Met-Sil 1.0, Placebo
- Drug
- Lead sponsor
- NuSirt Biopharma
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 91 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 13
- States / cities
- Chino, California • San Diego, California • Wheat Ridge, Colorado + 10 more
- Conditions
- Pulmonary Arterial Hypertension, Children
- Interventions
- Sildenafil citrate, Placebo
- Drug
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Eligibility
- 1 Year to 17 Years
- Enrollment
- 235 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2008
- U.S. locations
- 10
- States / cities
- Palo Alto, California • Stanford, California • Aurora, Colorado + 7 more
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- Sildenafil citrate
- Drug
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 130 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 15
- States / cities
- Phoenix, Arizona • Augusta, Georgia • Decatur, Georgia + 7 more
- Conditions
- Subarachnoid Hemorrhage, Cerebral Vasospasm
- Interventions
- Low dose sildenafil citrate, High dose sildenafil citrate
- Drug
- Lead sponsor
- University of Mississippi Medical Center
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2023
- U.S. locations
- 1
- States / cities
- Jackson, Mississippi
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- sildenafil citrate
- Drug
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Eligibility
- 18 Years to 74 Years
- Enrollment
- 385 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2021
- U.S. locations
- 11
- States / cities
- Atlanta, Georgia • Grand Rapids, Michigan • Wooster, Ohio + 2 more
- 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