- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00381732
A Study to Evaluate the Efficacy and Safety of 2.5mg and 5mg Tadalafil Given Once a Day to Men With Erectile Dysfunction
November 6, 2007 updated by: Eli Lilly and Company
A Randomized, Double-Blind, Parallel, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Tadalafil (2.5mg and 5mg) Administered Once Daily to Men With Erectile Dysfunction
This is a multicenter, randomized, double blind, placebo-controlled, parallel design study to evaluate the efficacy and safety of 2.5mg and 5mg tadalafil taken once daily in men with erectile dysfunction.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
280
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Washington
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Bothell, Washington, United States
- For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Male
Description
Inclusion Criteria:
- Men with erectile dysfunction
- At least 18 years of age
Exclusion Criteria:
- Certain chronic medical conditions including cardiac disease, congestive heart failure, kidney or liver disease, cancer and HIV
- A history of certain impotence disorders
- History of specified pelvic surgery
- Any significant genital abnormality identified at the start of the study
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: 1
placebo tablet
|
Placebo tablet taken by mouth once a day for 24 weeks.
Placebo patient will receive 5 mg tadalafil tablet during the open label extension.
|
Active Comparator: 2
2.5 mg tadalafil tablet
|
2.5 mg or 5 mg tadalafil tablet taken by mouth once a day for 24 weeks.
Followed by an open label extension where all patients receive 5 mg doses.
Other Names:
|
Active Comparator: 3
5 mg tadalafil tablet
|
2.5 mg or 5 mg tadalafil tablet taken by mouth once a day for 24 weeks.
Followed by an open label extension where all patients receive 5 mg doses.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Changes in erectile function measured at baseline and after 6 months of treatment with 2.5mg and 5mg tadalafil; assessment of safety after 1 and 2 years of therapy with 5mg tadalafil.
Time Frame: 24-128 weeks
|
24-128 weeks
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Changes in additional aspects of erectile function after 3 and 6 months of treatment; assessment of the pharmacokinetics of tadalafil 2.5mg and 5mg.
Time Frame: 24 weeks
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24 weeks
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Porst H, Gacci M, Buttner H, Henneges C, Boess F. Tadalafil once daily in men with erectile dysfunction: an integrated analysis of data obtained from 1913 patients from six randomized, double-blind, placebo-controlled, clinical studies. Eur Urol. 2014 Feb;65(2):455-64. doi: 10.1016/j.eururo.2013.09.037. Epub 2013 Oct 2.
- Shabsigh R, Seftel AD, Kim ED, Ni X, Burns PR. Efficacy and safety of once-daily tadalafil in men with erectile dysfunction who reported no successful intercourse attempts at baseline. J Sex Med. 2013 Mar;10(3):844-56. doi: 10.1111/j.1743-6109.2012.02898.x. Epub 2012 Oct 4.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
October 1, 2003
Study Completion (Actual)
June 1, 2006
Study Registration Dates
First Submitted
September 26, 2006
First Submitted That Met QC Criteria
September 27, 2006
First Posted (Estimate)
September 28, 2006
Study Record Updates
Last Update Posted (Estimate)
November 7, 2007
Last Update Submitted That Met QC Criteria
November 6, 2007
Last Verified
November 1, 2007
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 7019
- H6D-MC-LVFP
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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