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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Tadalafil 10 MG Clear all
Completed Phase 2 Interventional Results available

A Trial of Tadalafil in Patients With Squamous Cell Carcinoma of the Upper Aero Digestive Tract

NCT00894413
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 10, 2019 · Synced Sep 25, 2026, 2:14 PM EDT
Not listed Phase 4 Interventional

Sagene 2014 - Parkinson's Disease and Erectile Dysfunction

NCT02225548
View directory record Official record
Conditions
Parkinson's Disease, Erectile Dysfunction
Interventions
Selegiline, Tadalafil
Drug
Lead sponsor
University of South Florida
Other
Eligibility
40 Years to 64 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 19, 2017 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 4 Interventional Results available

A Clinical Trial of Ambrisentan and Tadalafil in Pulmonary Arterial Hypertension Associated With Systemic Sclerosis

NCT01042158
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Systemic Sclerosis, Scleroderma Spectrum of Diseases, Connective Tissue Disease, Pulmonary Hypertension
Interventions
tadalafil and ambrisentan upfront combination therapy
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 2 Interventional Results available

Study of CRS-207, Pembrolizumab, Ipilimumab, and Tadalafil in Metastatic Pancreatic Cancer

NCT05014776
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Tadalafil, Pembrolizumab, Ipilimumab, CRS-207
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 25, 2026, 2:14 PM EDT
Terminated Phase 2 Interventional Results available

Nivolumab (Anti-PD1), Tadalafil and Oral Vancomycin in People With Refractory Primary Hepatocellular Carcinoma or Liver Dominant Metastatic Cancer From Colorectal or Pancreatic Cancers

NCT03785210
View directory record Official record
Conditions
Hepatocellular Carcinoma, Hepatocellular Cancer, Metastatic Pancreatic Cancer, Metastatic Colorectal Cancer, Liver Metastasis
Interventions
nivolumab, tadalafil, oral vancomycin
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of LY2623091 in Healthy Participants

NCT02300259
View directory record Official record
Conditions
Healthy Volunteers
Interventions
LY2623091, Itraconazole, Simvastatin, Tadalafil, Diltiazem
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1 Interventional

PDE5 Inhibition Via Tadalafil to Enhance Anti-Tumor Mucin 1 (MUC1) Vaccine Efficacy in Patients With HNSCC

NCT02544880
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Study of Tadalafil Once-a Day for 12 Weeks in Men With Signs and Symptoms of Benign Prostatic Hyperplasia

NCT00384930
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 1, 2009 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 2 Interventional Results available

A Study of LY900010 in Erectile Dysfunction

NCT01160289
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 2 Interventional Results available

Tadalafil and Pembrolizumab in Recurrent or Metastatic Head and Neck Cancer

NCT03993353
View directory record Official record
Conditions
Head and Neck Cancer, Head and Neck Squamous Cell Carcinoma, Head and Neck Carcinoma, Head and Neck Cancer Stage III, Head and Neck Cancer Stage IV, Head and Neck Cancer Metastatic, Cancer, Cancer of Esophagus, Cancer, Metastatic, Cancer of Head and Neck, Cancer of Mouth, Cancer of Neck
Interventions
Pembrolizumab, Tadalafil
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Pharmacokinetics Study for Pediatric Participants With Pulmonary Arterial Hypertension

NCT01484431
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Tadalafil- Tablet or Oral suspension
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
6 Months to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
5
States / cities
Aurora, Colorado • Atlanta, Georgia • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Sep 25, 2026, 2:14 PM EDT
Withdrawn Phase 2 Interventional

Tadalafil for Treatment of Priapism in Men With Sickle Cell Anemia

NCT00538564
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 20, 2016 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 3 Interventional

To Determine How Different Doses of Tadalafil Work on Getting and Keeping an Erection 26 or 36 Hours After Taking

NCT00547508
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 21, 2007 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Tadalafil and Nesiritide as Therapy in Pre-clinical Heart Failure

NCT01544998
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of PDE5 Inhibition on Adipose Metabolism in Humans

NCT04684589
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 25, 2026, 2:14 PM EDT
Recruiting Phase 3 Interventional

Study of Tadalafil vs. Placebo for Improving Hemodynamics and End-Organ Dysfunction in Fontan Physiology

NCT05206955
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1 Interventional

Tadalafil to Overcome Immunosuppression During Chemoradiotherapy for IDH-wildtype Grade III-IV Astrocytoma

NCT04757662
View directory record Official record
Conditions
Grade III Astrocytoma, Grade IV Astrocytoma, Astrocytoma, Grade IV, Astrocytoma, Grade III
Interventions
Tadalafil
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Fixed Dose Combination of Macitentan/Tadalafil (10 mg/20 mg) Compared to the Reference Free Combination of Macitentan and Tadalafil in Healthy Adult Participants

NCT05236231
View directory record Official record
Conditions
Healthy
Interventions
Macitentan 10 mg, Tadalafil 20 mg, Macitentan 10 mg/Tadalafil 20mg FDC
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Sep 25, 2026, 2:14 PM EDT
Withdrawn Phase 4 Interventional

Efficacy and Safety of Combination Ambrisentan and Tadalafil in Patients With Portopulmonary Hypertension

NCT03309592
View directory record Official record
Conditions
Portopulmonary Hypertension, Pulmonary Hypertension, Cirrhosis, Liver
Interventions
Ambrisentan Pill, Tadalafil Pill
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1 Interventional

Chemoimmunotherapy and Radiation in Pancreatic Cancer

NCT01903083
View directory record Official record
Conditions
Locally Advanced Malignant Neoplasm
Interventions
Tadalafil, Gemcitabine, Radiation, Pancreaticoduodenectomy
Drug · Radiation · Procedure
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 31, 2018 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Sildenafil and Tadalafil on Skeletal Muscle and Perceptual Fatigue

NCT01661595
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 25, 2026, 2:14 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

The Effects of Mirabegron and Tadalafil on Glucose Tolerance in Prediabetics

NCT05051436
View directory record Official record
Conditions
Pre-diabetes, Obesity
Interventions
Mirabegron 50 MG, Tadalafil 10 MG, Placebo
Drug
Lead sponsor
Philip Kern
Other
Eligibility
35 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Bioavailability Study of LY2452473 and Tadalafil

NCT01401543
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
LY2452473, Tadalafil, LY900010
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 25, 2026, 2:14 PM EDT
Completed Phase 3 Interventional Results available

The Efficacy and Safety of Initial Triple Versus Initial Dual Oral Combination Therapy in Patients With Newly Diagnosed Pulmonary Arterial Hypertension

NCT02558231
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Sep 25, 2026, 2:14 PM EDT