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

October 18, 2007 updated by: Eli Lilly and Company

A Randomized, Double-Blind, Parallel, Placebo-Controlled Study in Men With Erectile Dysfunction to Evaluate the Efficacy and Safety of Tadalafil When Sexual Attempts Occur at Specific Time Points After Dosing

Study to see how effective different doses of tadalafil are for getting and keeping an erection when sex is attempted after a certain number of hours.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

485

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

  • United States
    • Tennessee
      • Knoxville, Tennessee, 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.

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:

  • At least 3 months history of erectile dysfunction (ED)
  • Anticipate a monogamous relationship with a female sexual partner
  • Be able to make minimum required sexual intercourse attempts
  • Abstain from using any other ED treatment

Exclusion Criteria:

  • History of other primary sexual disorder
  • Treatment with nitrates
  • Have a penile implant or clinically significant penile deformity
  • History of certain heart problems
  • Do not meet certain lab value reference ranges

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: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: 2
Placebo
Drug: placebo
Placebo tablet taken by mouth, no more than once a day, anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Drug: placebo
Placebo tablet taken by mouth, no more than once a day, anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Placebo Comparator: 1
Placebo
Drug: placebo
Placebo tablet taken by mouth, no more than once a day, anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Drug: placebo
Placebo tablet taken by mouth, no more than once a day, anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Active Comparator: 3
tadalafil
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Active Comparator: 4
tadalafil
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Active Comparator: 5
tadalafil
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Active Comparator: 6
tadalafil
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 24 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
20 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351
Drug: tadalafil
10 mg tablet taken orally, no more than once a day, at anytime during the 2-4 week equilibration phase and then 36 hours prior to sexual intercourse for 4-6 weeks in the assessment phase
Other Names:
  • LY450190
  • Cialis
  • IC351

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Prove superiority to placebo by measuring question 3 of the SEP diary
Time Frame: 6-10 and 24 weeks
6-10 and 24 weeks

Secondary Outcome Measures

Outcome Measure
Time Frame
Compare effectiveness when patient can freely choose time of sex versus when time of sex attempt is set by the score of question 3 in the SEP diary
Time Frame: 6-10 and 24 weeks
6-10 and 24 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Eli Lilly and Company

Collaborators

ICOS Corporation

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.

Helpful Links

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, 2002

Study Completion (Actual)

September 1, 2003

Study Registration Dates

First Submitted

October 18, 2007

First Submitted That Met QC Criteria

October 18, 2007

First Posted (Estimate)

October 22, 2007

Study Record Updates

Last Update Posted (Estimate)

October 22, 2007

Last Update Submitted That Met QC Criteria

October 18, 2007

Last Verified

October 1, 2007

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 7004 (CTEP)
  • H6D-MC-LVFD

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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