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NCT00547287 Clinical Trial

Studying the Preference of Tadalafil to Sildenafil in Men With Problems Getting an Erection Across Nations

Impotence Clinical Trial

Official title:
Switching From Sildenafil Citrate to Tadalafil in Treatment of Erectile Dysfunction: Multinational Assessment of Treatment Preference

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT00547287
Other study ID # 7925
Secondary ID H6D-VI-LVFH
Status Completed
Phase Phase 3
First received October 18, 2007
Last updated October 18, 2007
Start date November 2002
Est. completion date May 2004

Study information
Verified date October 2007
Source Eli Lilly and Company
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

Study to determine if men from around the world prefer sildenafil to tadalafil.

Recruitment information / eligibility
Status Completed
Enrollment 2760
Est. completion date May 2004
Est. primary completion date
Accepts healthy volunteers No
Gender Male
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Must be of legal age according to your country.

- Must have had a history of erectile dysfunction for at least 3 months.

- Must currently and have been using sildenafil for the last six weeks.

- Agree to not use any other ED treatment during the study.

- Anticipate the same female sexual partner for the study.

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 Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Intervention

Drug:
• tadalafil
20 mg tadalafil as needed by mouth no more than once a day for a 4 week initiation period and a 4 weeks treatment period.
• sildenafil
Current dosage of sildenafil is continued for 4 weeks (no more than once a day) of treatment assessment then the wash-out period will begin.

Locations
Country Name City State
Brazil 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. Sao Paulo

Sponsors (2)
Lead Sponsor Collaborator
Eli Lilly and Company ICOS Corporation

Country where clinical trial is conducted

Brazil, 

Outcome
Type Measure Description Time frame Safety issue
Primary Patient choice of treatment (either sildenafil or tadalafil) for use in the extension phase 14 weeks
Secondary Assessment of sexual encounter attributes measured by the PAIRS scale including the Sexual Self-Confidence, Romance, and Time Pressure domains. 26 weeks
See also
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Completed NCT00882934 - The Management of Erectile Dysfunction With Placebo Only N/A
Withdrawn NCT00382161 - Improvement of Erectile Dysfunction by Fluvastatin in Patients With Cardiovascular Risk Factors Phase 3
Recruiting NCT00297544 - Effect of Sildenafil on Endothelial Function N/A
Completed NCT00249730 - Titration Study to Evaluate Efficacy and Satisfaction of Viagra in Men With Erectile Function. Phase 4
Completed NCT00245596 - Evaluation of the Index of Sexual Life Questionnaire Phase 4
Completed NCT00547183 - Study the Safety and Effectiveness of Tadalafil in Men With Diabetes Who Have Problems Getting and Keeping an Erection Phase 3
Completed NCT00422578 - Effect of Tadalafil on the Quality of Life and Sexual Life in Erectile Dysfunction Phase 4
Completed NCT00547092 - Study For Which Treatment, Tadalafil or Sildenafil, is Preferred For Problems Getting or Maintaining an Erection Phase 4
Completed NCT00547508 - To Determine How Different Doses of Tadalafil Work on Getting and Keeping an Erection 26 or 36 Hours After Taking Phase 3
Completed NCT00422734 - Tadalafil Taken Daily Compared to Placebo on Improvement of Getting and Maintaining an Erection and Sexual Quality of Life Phase 3
Completed NCT00245258 - Study to Evaluate Viagra's Ability to Provide a Better Sexual Experience Through Quality Erections and Satisfaction Phase 4
Completed NCT00301262 - Impact Of Viagra On Sexual Satisfaction Of Men With Mild Erectile Dysfunction Who Are Sexually Dissatisfied Phase 4
Completed NCT00147628 - Assessment Of Sildenafil On Erectile Function And Intercourse Satisfaction And To Validate A New Subject Questionnaire Phase 4
Completed NCT03830164 - Pentoxifylline, Atorvastatin, and Vitamin E in Treating Patients With Erectile Dysfunction After Radiation Therapy for Prostate Cancer Phase 2
Recruiting NCT00498680 - Safety and Clinical Effectiveness of 2 Lower Dose Combined PDE5i's vs. Single Maximal Dose PDE5i Phase 4
Completed NCT00150358 - To Yield Further Information On The Efficacy And Safety Of Viagra Among Subjects With Arterial Hypertension . Phase 4
Completed NCT00159809 - Efficacy Study Measuring The Impact Of Treatment With Viagra On The Depressive Symptoms Of Men With Erectile Dysfunction Phase 4
Completed NCT00547495 - Study the Safety and Effectiveness of Tadalafil in Men With Problems Getting or Maintaining an Erection When Taken Prior to Desiring an Erection Phase 3

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