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ClinicalTrials.gov public records Last synced Sep 27, 2026, 3:36 AM EDT

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Showing 1–17 of 17 matching trials from the live ClinicalTrials.gov search.
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Conditions
Impotence
Interventions
tadalafil
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,933 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Dallas, Texas
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
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
Benign Prostatic Hyperplasia
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
40 Years and older · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
8
States / cities
Newport Beach, California • Tarzana, California • Middlebury, Connecticut + 5 more
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
Pneumonia, Sepsis
Interventions
Recombinant Chimeric Monoclonal Antibody
Drug
Lead sponsor
ICOS Corporation
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Bothell, Washington
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
Sepsis
Interventions
rPAF-AH
Drug
Lead sponsor
ICOS Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Bothell, Washington
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
Hypertension
Interventions
tadalafil
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Bothell, Washington
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
Pulmonary Hypertension
Interventions
sitaxsentan sodium
Drug
Lead sponsor
ICOS-Texas Biotechnology
Industry
Eligibility
16 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
25
States / cities
Los Angeles, California • San Francisco, California • Torrance, California + 21 more
Conditions
Hypertension, Pulmonary
Interventions
tadalafil
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
12 Years and older
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Bend, Oregon
Completed Phase 2 Interventional

Interstitial Cystitis

NCT00056251
Conditions
Interstitial Cystitis
Interventions
H&P; ECG; Blood tests; voiding diary; Cystoscopy
Procedure
Lead sponsor
ICOS Corporation
Industry
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
24
States / cities
Anchorage, Alaska • Glendora, California • La Mesa, California + 20 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
Conditions
Pulmonary Hypertension
Interventions
tadalafil, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
12 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
3
States / cities
Tucson, Arizona • Minneapolis, Minnesota • Salt Lake City, Utah