- Conditions
- Hypertension, Pulmonary
- Interventions
- sildenafil, placebo
- Drug
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 275 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2003
- U.S. locations
- 24
- States / cities
- Birmingham, Alabama • La Jolla, California • Los Angeles, California + 15 more
Search Results
Search by objective public record fields.
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 1–24
of 177
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Healthy Participants
- Interventions
- BMS-986278, Sildenafil, Placebo
- Drug
- Lead sponsor
- Bristol-Myers Squibb
- Industry
- Eligibility
- 35 Years to 65 Years
- Enrollment
- 61 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 2
- States / cities
- Cypress, California • Miami, Florida
- Conditions
- Duchenne Muscular Dystrophy, Becker Muscular Dystrophy
- Interventions
- Sildenafil
- Drug
- Lead sponsor
- Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
- Other
- Eligibility
- 18 Years to 50 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- Not listed
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 3
- States / cities
- Birmingham, Alabama • Torrance, California • Jacksonville, Florida
- Conditions
- Sickle Cell Anemia
- Interventions
- Hydroxyurea, L-Arginine, Sildenafil
- Drug
- Lead sponsor
- National Institutes of Health Clinical Center (CC)
- NIH
- Eligibility
- 16 Years and older
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- 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
- Parkinson's Disease
- Interventions
- sildenafil, Placebo
- Drug
- Lead sponsor
- Loma Linda University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 2 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2009
- U.S. locations
- 1
- States / cities
- Loma Linda, California
- Conditions
- Obesity
- Interventions
- Control (bradykinin), L-NMMA + bradykinin, Isosorbide + L-NMMA + bradykinin, Sildenafil + L-NMMA + bradykinin
- Drug
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Brain Tumor
- Interventions
- Asciminib, Sildenafil, Surgical resection or biopsy
- Drug · Procedure
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years to 39 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Impotence
- Interventions
- Placebo, Viagra (sildenafil citrate)
- Drug
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Eligibility
- 30 Years and older · Male only
- Enrollment
- 371 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2007
- U.S. locations
- 48
- States / cities
- Huntsville, Alabama • Mesa, Arizona • Phoenix, Arizona + 42 more
- Conditions
- Infant,Premature
- Interventions
- Pulmonary Function Testing, Electrocardiogram, Cardiac Magnetic Resonance Imaging, Metoprolol, Sildenafil
- Procedure · Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Erectile Dysfunction
- Interventions
- Sildenafil
- Drug
- Lead sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
- Industry
- Eligibility
- 18 Years to 55 Years · Male only
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Traumatic Brain Injury
- Interventions
- Growth Hormone, Sildenafil, Placebo
- Drug
- Lead sponsor
- The University of Texas Medical Branch, Galveston
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Galveston, Texas
- Conditions
- Arthritis, Rheumatoid, Atherosclerosis
- Interventions
- Sildenafil, Placebo
- Drug · Other
- Lead sponsor
- Kimberly Liang
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Cystic Fibrosis
- Interventions
- Sildenafil, Placebo
- Drug
- Lead sponsor
- National Jewish Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- 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
- Conditions
- Hypertension, Pure Autonomic Failure, Multiple System Atrophy
- Interventions
- Placebo, Nebivolol 5 mg, metoprolol tartrate 50 mg, Sildenafil25 mg
- Drug
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- Not listed
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Bronchopulmonary Dysplasia of Newborn
- Interventions
- Sildenafil, Placebo
- Drug
- Lead sponsor
- Christoph Hornik
- Other
- Eligibility
- Up to 29 Weeks
- Enrollment
- 125 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 25
- States / cities
- Little Rock, Arkansas • San Diego, California • Washington D.C., District of Columbia + 19 more
- Conditions
- Nontuberculous Mycobacterial Infection
- Interventions
- Sildenafil
- Drug
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- Imatinib, Sildenafil, Bosentan
- Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 3
- States / cities
- Tampa, Florida • Weston, Florida • Mineola, New York
- Conditions
- Sickle Cell Disease, Pulmonary Hypertension
- Interventions
- Sildenafil, Placebo
- Drug
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- 12 Years to 70 Years
- Enrollment
- 74 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 8
- States / cities
- Oakland, California • Denver, Colorado • Washington D.C., District of Columbia + 5 more
- Conditions
- Fatigue, Aging
- Interventions
- Placebo sildenafil, Sildenafil
- Drug
- Lead sponsor
- The University of Texas Medical Branch, Galveston
- Other
- Eligibility
- 20 Years to 80 Years · Male only
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Galveston, Texas
- Conditions
- Kidney Tumor
- Interventions
- sildenafil citrate, placebo, therapeutic conventional surgery
- Drug · Other · Procedure
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina