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OpenTrials
Completed

NCT Number: NCT00547352

Study to Determine a Preference Between Sildenafil or Tadalafil Treatment for Problems Getting an Erection

To determine if men with problems getting and keeping an erection prefer treatment with tadalafil or sildenafil.

Completed

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Key information

Conditions

Impotence Erectile Dysfunction Genital Diseases Genital Diseases, Male Male Urogenital Diseases Mental Disorders Sexual Dysfunction, Physiological Sexual Dysfunctions, Psychological Urogenital Diseases

Age range

18 year and older

Sex eligibility

Male

Study type

Interventional

Phase

Phase 4

Primary location

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.

Seoul, South Korea

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • History of erection problems
  • Anticipate a monogamous female sexual relationship
  • Abstain from other erection treatments throughout the study
  • Currently use sildenafil

Exclusion criteria

  • Other primary sexual disorders
  • History of radical prostatectomy or other pelvic surgery that affected being able to have an erection
  • History of penile implant or clinically significant penile deformity.
  • Nitrate use
  • Certain heart problems

Treatment and study plan

Tadalafil

Drug

20 mg tadalafil tablets taken by mouth, as needed, no more than once a day for 8 weeks.

Other names: LY450190, Cialis, IC351

Sildenafil

Drug

Current users of sildenafil citrate for a minimum of 6 weeks prior to visit 1 will continue with an individual dosage to be taken no more than once a day for an additional 4 weeks.

Primary outcomes

  1. Patient choice of drug at visit 5

    Time frame: 14-15 weeks

Secondary outcomes

  1. PAIRS self-administered scale scores

    Time frame: 14-15 weeks

Sponsors and collaborators

Lead sponsor

Eli Lilly and Company

Industry

Collaborators

  • ICOS Corporation

Registry information

Official study title

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

Important dates

Study start
2004
Study completion
2005
First posted
Oct 22, 2007
Registry last updated
Oct 22, 2007

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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