- Conditions
- Erectile Dysfunction, Sexual Dysfunction
- Interventions
- Placebo, Dapoxetine, PDE5I (phosphodiesterase-5 inhibitor)
- Drug
- Lead sponsor
- Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 495 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 19
- States / cities
- Decatur, Alabama • Huntsville, Alabama • Englewood, Colorado + 16 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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 49
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Cardiomyopathy, Renal Impairment
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 21 Years to 90 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Fontan Palliation
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Heart Failure, Pulmonary Hypertension
- Interventions
- Tadalafil, Placebo for tadalafil
- Drug
- Lead sponsor
- Carelon Research
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 62
- States / cities
- Huntsville, Alabama • Little Rock, Arkansas • Fountain Valley, California + 55 more
- Conditions
- Erectile Dysfunction
- Interventions
- tadalafil, placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 282 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2003 – 2005
- U.S. locations
- 1
- States / cities
- Bothell, Washington
- Conditions
- Sickle Cell Anemia, Priapism
- Interventions
- tadalafil, placebo
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 45 Years · Male only
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Head and Neck Squamous Cell Carcinoma, Head and Neck Cancer
- Interventions
- Tadalafil, Anti-MUC1 Vaccine, Anti-Influenza Vaccine, Tadalafil Placebo, Anti-MUC1 Vaccine Placebo, Standard of Care Treatment, Anti-Influenza Vaccine Placebo
- Drug · Biological · Other
- Lead sponsor
- Donald T. Weed, MD, FACS
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension, Dyspnea
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 35 Years to 89 Years
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2029
- U.S. locations
- 5
- States / cities
- Aurora, Colorado • Decatur, Georgia • Boston, Massachusetts + 2 more
- Conditions
- Prostate Cancer, Sexual Dysfunction
- Interventions
- Tadalafil, Placebo
- Drug · Other
- Lead sponsor
- Radiation Therapy Oncology Group
- Network
- Eligibility
- 18 Years to 120 Years · Male only
- Enrollment
- 242 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2014
- U.S. locations
- 183
- States / cities
- Birmingham, Alabama • Mobile, Alabama • Peoria, Arizona + 151 more
- Conditions
- Erectile Dysfunction
- Interventions
- tadalafil
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 30 Years to 65 Years · Male only
- Enrollment
- 198 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2006
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Fatigue
- Interventions
- Sildenafil, tadalafil, Placebo
- Drug
- Lead sponsor
- The University of Texas Medical Branch, Galveston
- Other
- Eligibility
- 50 Years to 60 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Galveston, Texas
- Conditions
- Erectile Dysfunction
- Interventions
- Placebo, Tadalafil
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 372 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Head and Neck Cancer
- Interventions
- Tadalafil, Placebo
- Drug · Other
- Lead sponsor
- Donald T. Weed
- Other
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2015
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Pulmonary Arterial Hypertension (PAH) (WHO Group 1 PH)
- Interventions
- FDC macitentan/tadalafil, Macitentan 10 mg, Tadalafil 40 mg, Placebo FDC, Placebo macitentan, Placebo tadalafil
- Drug
- Lead sponsor
- Actelion
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 187 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2024
- U.S. locations
- 26
- States / cities
- Fullerton, California • Los Angeles, California • Atlanta, Georgia + 22 more
- Conditions
- Head and Neck Squamous Cell Carcinoma
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Other
- Eligibility
- 21 Years to 99 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Benign Prostatic Hyperplasia
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 97 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 3
- States / cities
- Chicago, Illinois • Garden City, New York • New York, New York
- Conditions
- Head and Neck Squamous Cell Carcinoma
- Interventions
- Tadalafil, Placebo Pill
- Drug · Other
- Lead sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Benign Prostatic Hyperplasia
- Interventions
- tadalafil, placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 1,058 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2008
- U.S. locations
- 1
- States / cities
- Greenwood, Indiana
- Conditions
- Benign Prostatic Hyperplasia
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 318 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009
- U.S. locations
- 28
- States / cities
- Huntsville, Alabama • Anchorage, Alaska • Anaheim, California + 25 more
- Conditions
- Hypertension, Pulmonary
- Interventions
- Tadalafil, Placebo, ERA as specific PAH treatment
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 6 Months to 17 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2021
- U.S. locations
- 7
- States / cities
- Atlanta, Georgia • Detroit, Michigan • Cincinnati, Ohio + 4 more
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Rhode Island Hospital
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 9
- States / cities
- Portland, Maine • Boston, Massachusetts • Newark, New Jersey + 4 more
- Conditions
- Single Ventricle
- Interventions
- Tadalafil Citrate, Sugar pill
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 8 Years to 35 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Aortic Stenosis, LV Remodeling, Hypertrophy
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Muscular Dystrophy, Duchenne
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 7 Years to 14 Years · Male only
- Enrollment
- 331 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2016
- U.S. locations
- 23
- States / cities
- Los Angeles, California • Sacramento, California • Aurora, Colorado + 20 more