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A Study for Patients With Erectile Dysfunction to Test Whether Tadalafil Taken Once a Day Can Better Improve Psychological Outcomes.

Information source: Eli Lilly and Company
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Erectile Dysfunction

Intervention: tadalafil once a day [T(OaD)] (Drug); sildenafil citrate as needed [S(PRN)] (Drug); tadalafil as needed [T(PRN)] (Drug)

Phase: Phase 3

Status: Completed

Sponsored by: Eli Lilly and Company

Official(s) and/or principal investigator(s):
Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Easter Time (UTC/GMT - 5 hours, EST), Study Director, Affiliation: Eli Lilly and Company

Summary

The primary purpose of the study is to help answer whether tadalafil taken once a day can help improve the psychological outcomes (such as sexual self confidence, spontaneity and time concerns) compared to sildenafil taken as needed in patients with erectile dysfunction (ED).

Clinical Details

Official title: A Comparison of Psychosocial Outcomes Following Tadalafil Once a Day or PDE5 Inhibitor As Needed in Men With Erectile Dysfunction.

Study design: Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: Change From Baseline Between Tadalafil Once a Day (OaD) and Sildenafil as Needed (PRN) in Sexual Self-Confidence Domain of Psychological and Interpersonal Relationship Scales (PAIRS)

Secondary outcome:

Change From Baseline Between Tadalafil Once a Day (OaD) and Tadalafil as Needed (PRN) in Sexual Self-Confidence Domain of Psychological and Interpersonal Relationship Scales (PAIRS)

Change From Baseline to Endpoint in the Spontaneity Domain of PAIRS

Change From Baseline to Endpoint in the Time Concerns Domain of PAIRS

Change From Baseline to Endpoint in the Erectile Function Domain of the International Index of Erectile Function (IIEF)

Change From Baseline to Endpoint in the Proportion of Days With at Least One Morning Erection

Change From Baseline to Endpoint in the Intercourse Satisfaction (IS) Domain of the IIEF

Change From Baseline to Endpoint in the Overall Satisfaction (OS) Domain of the IIEF

Erectile Dysfunction Inventory of Treatment Satisfaction (EDITS) Score at Endpoint

Number of Participants With at Least One Serious Adverse Event

Change From Baseline to Endpoint in the Self-Esteem And Relationship (SEAR) Questionnaire Transformed Total Score

Question 1 "I Felt as if I Did Not Have ED" Score of the Patient Perception and Feelings Questions (PPF-Q) at Endpoint

Question 2 "I Felt in Control of my Sex Life" Score of the Patient Perception and Feelings Questions (PPF-Q) at Endpoint

Question 3 "I Felt the Drug Was in Control of my Erections" Score of the Patient Perception and Feelings Questions (PPF-Q) at Endpoint

Question 4 "I Felt Like a Whole Man" Score of the Patient Perception and Feelings Questions (PPF-Q) at Endpoint

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Male.

Criteria:

Inclusion Criteria:

- History of erectile dysfunction (ED).

- Have had satisfactory response to tadalafil, sildenafil citrate, or vardenafil HCl

for a period of at least 6 months and expect frequent use (at least one dose per week, on average) when administered as needed.

- Have never used tadalafil 5 mg or 2. 5 mg once a day therapy.

- Anticipate having the same adult female sexual partner willing to participate during

the study.

- Agree to make at least four sexual intercourse attempts during the first four weeks

of the study.

- Agree not to use any other treatment for ED (even herbal treatments) during the

study.

- Agree to follow the directions given by the study doctor and staff about using the

study drug. Exclusion Criteria:

- Have any other primary sexual disorders present or penile deformity.

- Have history of radical prostatectomy or penile implant.

- Have problems with your kidneys, liver, or nervous system.

- Have uncontrolled diabetes, as measured by a blood test for haemoglobin A1C greater

than a value of 11%.

- Are being treated for heart disease with any drug that is called a nitrate (for

example, nitroglycerin).

- Have chest pain (called unstable angina or angina) that requires treatment.

- Have heart disease that causes symptoms after you exert yourself.

- Have had any of the following in the past 90 days: Heart attack, also known as a

myocardial infarction (MI); Heart bypass surgery (called coronary artery bypass graft surgery); Had a procedure to open up blood vessels in the heart known as angioplasty or stent placement (percutaneous coronary intervention).

- Have a history of loss of vision in one eye because of nonarteritic anterior ischemic

optic neuropathy (NAION).

- Have retinitis pigmentosa.

- Have history of human immunodeficiency virus (HIV).

- Have very high or very low blood pressure (your study doctor will discuss the limits

with you).

- Have had a stroke or a significant injury to your brain or spinal cord within the

last 6 months.

- Have rare hereditary problems of galactose intolerance, the Lapp lactase deficiency

or glucose-galactose malabsorption Lactose intolerance.

- Have a scheduled or planned surgery requiring anaesthesia during the course of

the study.

- Have a scheduled cataract surgery during the curse of the study.

Locations and Contacts

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., Goiânia 74110-020, 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., Rio Claro 13500-020, 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., Rio De Janeiro 20725-090, 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 Jose Rio Preto 15090-000, 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 04044-060, 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., Augsburg 86150, Germany

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., Berlin 13465, Germany

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., Hamburg 20354, Germany

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., Milan 20132, Italy

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., Sassari 07100, Italy

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., Torino 10126, Italy

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., La Joya 14000, Mexico

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., Mexico City 10700, Mexico

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., Monterrey 64040, Mexico

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., San Juan 00912, Puerto Rico

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., Santurce 00907, Puerto Rico

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., Barcelona 08025, Spain

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., La Coruña 15006, Spain

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., Madrid 28040, Spain

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., Malaga 29007, Spain

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., Sevilla 41013, Spain

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., Vigo 36211, Spain

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., London NW8 9NH, United Kingdom

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., Huntsville, Alabama 35801, 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., Newport Beach, California 92660, 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., Middlebury, Connecticut 06762, 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., Durham, County Durham DH1 2QW, United Kingdom

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., Plymouth, Devonshire PL6 8BX, United Kingdom

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., Plantation, Florida 33317, 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., Adelaide, South Australia 5000, Australia

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., Lichfield, Staffordshire WS14 9JL, United Kingdom

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., Knoxville, Tennessee 37920, 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., San Antonio, Texas 78229, 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., Malvern, Victoria 3144, Australia

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., Federal Way, Washington 98003, 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., Leeds, West Yorkshire LS9 7TF, United Kingdom

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., Nedlands, Western Australia 6009, Australia

Additional Information

Starting date: August 2008
Last updated: October 21, 2010

Page last updated: August 23, 2015

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