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Effect of Tadalafil on the Quality of Life and Sexual Life in Erectile Dysfunction

This study has been completed.
ICOS Corporation
Information provided by:
Eli Lilly and Company Identifier:
First received: January 16, 2007
Last updated: October 23, 2007
Last verified: October 2007
Study is a clinical study assessing the effect of oral tadalafil 10mg or 20 mg on psychosocial aspects and quality of life of erectile dysfunction patients and to compare tadalafil with previous oral erectile dysfunction medication. Study period is 13 weeks. Study patients fill in quality of life questionnaires and treatment satisfaction questionnaires.

Condition Intervention Phase
Impotence Erectile Dysfunction Drug: tadalafil Phase 4

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Effect of Tadalafil on the Quality of Life and Sexual Life in Erectile Dysfunction (ED) Patients Previously Treated With Other Oral ED Therapy

Resource links provided by NLM:

Further study details as provided by Eli Lilly and Company:

Primary Outcome Measures:
  • On-demand therapy with tadalafil, as measured by the spontaneity domain of the PAIRS questionnaire increases the possibility to spontaneous sexual activity in ED patients compared with any other previous oral ED treatment.

Secondary Outcome Measures:
  • Estimate the level of quality of life (15D and LiSat-11)in treated ED patients in order to be able to compare it with existing data of the general population and patients suffering from other diseases and symptoms.

Estimated Enrollment: 200
Study Start Date: October 2004
Study Completion Date: September 2005
Intervention Details:
    Drug: tadalafil
    Other Names:
    • LY450190
    • Cialis
    • IC351

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • have a history of erectile dysfunction (defined as a consistent change in the quality of erection that adversely affects the patient's satisfaction with sexual intercourse)of at least 3 months duration
  • have been using any oral prescription medication,but not tadalafil, for erectile dysfunction for a minimum period of 3 months before visit 1
  • have responded to previous erectile dysfunction medication as assessed by the investigator

Exclusion Criteria:

  • exhibit evidence of clinically significant hepatobiliary disease (including jaundice) at visit 1
  • cardiovascular exclusion criteria: history of chronic stable angina treated with nitrates, recent acute cardiovascular events or procedures (myocardial infarction, coronary interventions, stroke, etc.), history of other serious cardiovascular events (e.g. arrhythmias, sudden cardiac arrest, congestive heart failure, etc.), systolic blood pressure <90mmHg or diastolic blood pressure <50mmHg at screening
  • receiving treatment with cancer chemotherapy
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00422578

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.
Tampere, Finland
Sponsors and Collaborators
Eli Lilly and Company
ICOS Corporation
Study Director: Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST) Eli Lilly and Company
  More Information

Additional Information: Identifier: NCT00422578     History of Changes
Other Study ID Numbers: 9113
Study First Received: January 16, 2007
Last Updated: October 23, 2007

Keywords provided by Eli Lilly and Company:
erectile dysfunction

Additional relevant MeSH terms:
Erectile Dysfunction
Sexual Dysfunction, Physiological
Genital Diseases, Male
Sexual Dysfunctions, Psychological
Mental Disorders
Vasodilator Agents
Phosphodiesterase 5 Inhibitors
Phosphodiesterase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Urological Agents processed this record on August 22, 2017