- 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
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 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Erectile Dysfunction
- Interventions
- LY2452473, tadalafil, placebo (tadalafil), placebo (LY2452473)
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years to 70 Years · Male only
- Enrollment
- 410 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 36
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Glendora, California + 33 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
- Heart Failure, Pulmonary Hypertension
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 21 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- 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
- 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
- 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
- Impotence
- Interventions
- tadalafil, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 342 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2008
- U.S. locations
- 10
- States / cities
- Huntsville, Alabama • Little Rock, Arkansas • Newport Beach, California + 7 more
- 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
- 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
- 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
- Raynaud
- Interventions
- Tadalafil
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- 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
- Pulmonary Hypertension, Chronic Obstructive Pulmonary Disease (COPD)
- Interventions
- Tadalafil, placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2019
- U.S. locations
- 5
- States / cities
- West Los Angeles, California • Denver, Colorado • Decatur, Georgia + 2 more
- Conditions
- Benign Prostatic Hyperplasia
- Interventions
- Placebo, tadalafil
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 325 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009
- U.S. locations
- 12
- States / cities
- Huntsville, Alabama • Middlebury, Connecticut • Sarasota, Florida + 9 more
- 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
- Primary Hypertension
- Interventions
- LY2623091, Tadalafil, Spironolactone, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 304 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 33
- States / cities
- Glendale, Arizona • Concord, California • Encinitas, California + 28 more
- Conditions
- Obesity
- Interventions
- Tadalafil 20 MG, Placebo
- Drug
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 19 Years to 50 Years
- Enrollment
- 99 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Benign Prostatic Hyperplasia, Enlarged Prostate
- Interventions
- Tadalafil, Placebo, Finasteride
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 696 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 10
- States / cities
- Davis, California • Fresno, California • Laguna Hills, California + 7 more
- Conditions
- Impotence
- Interventions
- tadalafil, placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 485 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2003
- U.S. locations
- 1
- States / cities
- Knoxville, Tennessee
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- Ambrisentan, Placebo, Sildenafil, Tadalafil
- Drug
- Lead sponsor
- Gilead Sciences
- Industry
- Eligibility
- 16 Years to 75 Years
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 30
- States / cities
- Mobile, Alabama • Phoenix, Arizona • Los Angeles, California + 25 more
- Conditions
- Erectile Dysfunction
- Interventions
- tadalafil, placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 280 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 1
- States / cities
- Bothell, Washington