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Determine Safety and Effectiveness of Tadalafil in Asian Men When Taken as Needed for Getting and Keeping an Erection

A Multinational, Randomized, Double-Blind, Parallel, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Tadalafil Administered On Demand to Asian Men With Erectile Dysfunction

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00547573
Enrollment
367
Registered
2007-10-22
Start date
2003-04-30
Completion date
2003-12-31
Last updated
2007-10-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Impotence

Brief summary

Study to determine if tadalafil works better than placebo for Asian men having trouble getting or keeping an erection.

Interventions

DRUGtadalafil

10 mg tadalafil tablet taken by mouth as needed for 12 weeks not more than once a day

DRUGplacebo

placebo tablet taken by mouth as needed for 12 weeks not more than once a day

Sponsors

ICOS Corporation
CollaboratorINDUSTRY
Eli Lilly and Company
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* History of erection problems * Anticipate a monogamous female sexual relationship * Abstain from other erection treatments at least 4 weeks before first dose and throughout the study * Must be able to make required sexual intercourse attempts

Exclusion criteria

* Other primary sexual disorders * History of radical prostatectomy or other pelvic surgery that affected being able to have an erection * History of penile implant or clinically significant penile deformity * Nitrate use * Certain heart problems

Design outcomes

Primary

MeasureTime frame
IIEF Erectile Function Domain score from Questions 1-5 and 15. SEP Diary responses to Questions 2-3 and the entire Diary for baseline and endpoint scores.4, 8, and 12 weeks

Secondary

MeasureTime frame
IIEF questions and scores, Global Assessment Questions, Patient's SEP Diary12 weeks

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026