- 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
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 1–24
of 55
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- Congestive Heart Failure
- Interventions
- Nesiritide, Tadalafil, Placebo, Saline load
- Drug
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 21 Years to 90 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- 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
- 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
- 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
- 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
- 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
- Becker Muscular Dystrophy
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 18 Years to 55 Years · Male only
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2012
- U.S. locations
- 2
- States / cities
- Los Angeles, California
- Conditions
- Erectile Dysfunction, Benign Prostatic Hyperplasia
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 606 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 17
- States / cities
- Anchorage, Alaska • Phoenix, Arizona • La Mesa, California + 14 more
- 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
- 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
- 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
- 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
- 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
- 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 Arterial Hypertension
- Interventions
- Macitentan, Tadalafil, Selexipag
- Drug
- Lead sponsor
- Actelion
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 247 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 20
- States / cities
- Phoenix, Arizona • La Jolla, California • Los Angeles, California + 15 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
- Prostatic Hyperplasia, Prostate
- Interventions
- tadalafil, placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Male only
- Enrollment
- 275 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Erectile Dysfunction, Spinal Cord Injuries
- Interventions
- tadalafil
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 180 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Erectile Dysfunction
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 623 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 34
- States / cities
- Huntsville, Alabama • Lancaster, California • Newport Beach, California + 31 more
- Conditions
- Systemic Sclerosis
- Interventions
- Cialis
- Drug
- Lead sponsor
- University of Medicine and Dentistry of New Jersey
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2002
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- 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