Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 4, 2026, 6:24 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Conditions
Erectile Dysfunction
Interventions
Vardenafil ODT (STAXYN, BAY38-9456), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
339 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
21
States / cities
Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 15 more
Conditions
Erectile Dysfunction
Interventions
Vardenafil ODT, (Staxyn, BAY38-9456), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
65 Years to 80 Years · Male only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Miami, Florida • Knoxville, Tennessee
Conditions
Erectile Dysfunction
Interventions
Levitra (Vardenafil, BAY38-9456), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
732 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
12
States / cities
Phoenix, Arizona • Beverly Hills, California • San Bernardino, California + 9 more
Conditions
Erectile Dysfunction, Sexual Dysfunction, Physiological
Interventions
Levitra (Vardenafil, BAY38-9456), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
11
States / cities
Laguna Hills, California • Jeffersonville, Indiana • Des Moines, Iowa + 8 more
Conditions
Erectile Dysfunction, Depression
Interventions
Levitra (Vardenafil, BAY38-9456), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
15
States / cities
Huntsville, Alabama • Anchorage, Alaska • Beverly Hills, California + 11 more
Conditions
Erectile Dysfunction
Interventions
Levitra (Vardenafil, BAY38-9456), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
18
States / cities
Phoenix, Arizona • Beverly Hills, California • Irvine, California + 14 more
Conditions
Erectile Dysfunction
Interventions
Levitra (Vardenafil, BAY38-9456), Sildenafil, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
25 Years to 64 Years · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
18
States / cities
Phoenix, Arizona • Tempe, Arizona • Beverly Hills, California + 15 more
Conditions
Erectile Dysfunction
Interventions
Placebo, Levitra (Vardenafil, BAY38-9456)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
12
States / cities
Phoenix, Arizona • Beverly Hills, California • Laguna Hills, California + 9 more