Clinical trial NCT01122264: A Study in Patients With Erectile Dysfunction
Official title: Impact of Tadalafil (LY450190) Once a Day or Tadalafil on Demand Compared to Sildenafil Citrate on Demand on Treatment Discontinuation in Patients With Erectile Dysfunction Who Are naïve to PDE5 Inhibitors
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE4
Conditions: Erectile Dysfunction
Keywords: Erectile Dysfunction
Lead sponsor: Eli Lilly and Company
Sponsor class: INDUSTRY
First posted: 2010-05-13
Enrollment: 770
Sex: MALE
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: The purpose of this study is to investigate if treatment in erectile dysfunction with a long-acting drug (Tadalafil) taken once a day or taken as needed results in a longer treatment adherence and better long term outcomes (over 24 weeks), compared with a short-acting drug (Sildenafil Citrate) taken as needed.


Eligibility criteria: Inclusion Criteria:

* History of Erectile Dysfunction (ED) of at least 3 months duration.
* Anticipate having the same adult female sexual partner during the study.
* Agree not to use any other treatment for ED and to participate in recording responses to questionnaires and other instruments used in this study.

Exclusion Criteria:

* Previous or current treatment with tadalafil or any other phosphodiesterase type 5 (PDE5) inhibitor.
* ED caused by other primary sexual disorders, history of radical prostatectomy or other pelvic surgery with subsequent failure to achieve any erection, or history of penile implant or clinically significant penile deformity.
* ED caused by untreated or inadequately treated endocrine disease.
* Current treatment with doxazosin, nitrates, cancer chemotherapy, or anti-androgens.
* Severe renal or hepatic impairment, history of malignant hypertension.
* Presence or history of specific heart conditions.

Primary outcomes:
measure: Time to Discontinuation of Randomized Treatment
timeFrame: Baseline up to 334 days
Secondary outcomes:
measure: Change From Baseline to 4, 8, 16 and 24 Weeks of the International Index of Erectile Function (IIEF) Erectile Function (EF) Domain
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Change From Baseline to 4, 8, 16 and 24 Weeks of the International Index of Erectile Function (IIEF) Orgasmic Function Domain
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Change From Baseline to 4, 8, 16 and 24 Weeks of the International Index of Erectile Function (IIEF) Sexual Desire Domain
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Change From Baseline to 4, 8, 16 and 24 Weeks of the Sexual Encounter Profile (SEP)
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Global Assessment Questions (GAQ)
timeFrame: 24 weeks
measure: Number of Treatment Switches
timeFrame: Baseline through 24 weeks
measure: Patterns of Erectile Dysfunction Treatment Change
timeFrame: Baseline through 24 weeks
measure: Reasons for Discontinuation of Randomized Erectile Dysfunction Treatment
timeFrame: Baseline through 24 weeks
measure: Number of Days From the 8-Week Study Visit to the Time the Participant Discontinues From All Phosphodiesterase Type 5 (PDE5) Inhibitor Treatments
timeFrame: 8 weeks up to 334 days
measure: Change From Baseline to 4, 8, 16 and 24 Weeks of the International Index of Erectile Function (IIEF) Intercourse Satisfaction Domain
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Change From Baseline to 4, 8, 16 and 24 Weeks of the International Index of Erectile Function (IIEF) Overall Satisfaction Domain
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Erectile Dysfunction Inventory of Treatment Satisfaction (EDITS) Questionnaire at 4, 8, 16, and 24 Weeks
timeFrame: 4, 8, 16, and 24 weeks
measure: Change From Baseline to 24 Week Endpoint of the Sexual Self-Confidence, Spontaneity, and Time Concerns Domains (23-items) of the Psychological and Interpersonal Relationships Scale (PAIRS)
timeFrame: Baseline, 24 weeks
measure: Change From Baseline to 4, 8, 16, and 24 Weeks of the Sexual Relationship Domain of the Self-Esteem and Relationship (SEAR) Questionnaire
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Change From Baseline to 4, 8, 16, and 24 Weeks of the Confidence Domain of the Self-Esteem and Relationship (SEAR) Questionnaire
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Change From Baseline to 4, 8, 16, and 24 Weeks of the Self Esteem Domain of the Self-Esteem and Relationship (SEAR) Questionnaire
timeFrame: Baseline, 4, 8, 16, and 24 weeks
measure: Change From Baseline to 4, 8, 16, and 24 Weeks of the Overall Relationship Domain of the Self-Esteem and Relationship (SEAR) Questionnaire
timeFrame: Baseline, 4, 8, 16, and 24 weeks
Other outcomes:
Locations:
city: Carpentras
country: France
facility: 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.
city: Chambery
country: France
facility: 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.
city: La Bouexiere
country: France
facility: 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.
city: Lille
country: France
facility: 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.
city: Lyon
country: France
facility: 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.
city: Marseille
country: France
facility: 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.
city: Montpellier
country: France
facility: 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.
city: Murs-Erigne
country: France
facility: 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.
city: Nantes
country: France
facility: 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.
city: Rennes
country: France
facility: 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.
city: Toulouse
country: France
facility: 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.
city: Giengen
country: Germany
facility: 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.
city: Grevenbroich
country: Germany
facility: 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.
city: Holzminden
country: Germany
facility: 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.
city: Koblenz
country: Germany
facility: 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.
city: Leipzig
country: Germany
facility: 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.
city: Leverkusen
country: Germany
facility: 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.
city: Luebeck
country: Germany
facility: 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.
city: Marburg
country: Germany
facility: 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.
city: Muehlacker
country: Germany
facility: 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.
city: Warburg
country: Germany
facility: 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.
city: Heraklion
country: Greece
facility: 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.
city: Larissa
country: Greece
facility: 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.
city: Patras
country: Greece
facility: 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.
city: Thessaloniki
country: Greece
facility: 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.
city: Kutno
country: Poland
facility: 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.
city: Legionowo
country: Poland
facility: 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.
city: Lublin
country: Poland
facility: 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.
city: Warsaw
country: Poland
facility: 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.
city: Wroclaw
country: Poland
facility: 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.
city: Porto
country: Portugal
facility: 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.
city: Bucharest
country: Romania
facility: 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.
city: Cluj-Napoca
country: Romania
facility: 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.
city: Alcorcon
country: Spain
facility: 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.
city: Aravaca
country: Spain
facility: 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.
city: Barcelona
country: Spain
facility: 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.
city: Coslada
country: Spain
facility: 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.
city: Gijon
country: Spain
facility: 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.
city: Madrid
country: Spain
facility: 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.
city: Málaga
country: Spain
facility: 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.
city: San Sebastian De Los Reyes
country: Spain
facility: 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.
city: Vigo
country: Spain
facility: 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.
city: Fowey
country: United Kingdom
facility: 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.
state: Cornwall
city: Durham
country: United Kingdom
facility: 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.
state: County Durham
city: Plymouth
country: United Kingdom
facility: 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.
state: Devon
Study officials:
affiliation: Eli Lilly and Company
name: 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)
role: STUDY_DIRECTOR
References:
citation: Buvat J, Buttner H, Hatzimouratidis K, Vendeira PA, Moncada I, Boehmer M, Henneges C, Boess FG. Adherence to initial PDE-5 inhibitor treatment: randomized open-label study comparing tadalafil once a day, tadalafil on demand, and sildenafil on demand in patients with erectile dysfunction. J Sex Med. 2013 Jun;10(6):1592-602. doi: 10.1111/jsm.12130. Epub 2013 Apr 2.