Back to resultsHealthy Volunteer Study of Sildenafil Effects Upon Vision
Primary Purpose
Blindness
Status
Completed
Phase
Phase 4
Locations
Study Type
Interventional
Intervention
Sildenafil
Sponsored by
About this trial
This is an interventional educational/counseling/training trial for Blindness
Eligibility Criteria
Inclusion Criteria: male - Exclusion Criteria: -
Sites / Locations
Outcomes
Primary Outcome Measures
Secondary Outcome Measures
Full Information
NCT ID
NCT00251784
First Posted
November 9, 2005
Last Updated
November 9, 2005
Sponsor
University of Cambridge
1. Study Identification
Unique Protocol Identification Number
NCT00251784
Brief Title
Healthy Volunteer Study of Sildenafil Effects Upon Vision
Official Title
A Double-Blind, Randomised, Placebo Controlled Healthy Volunteer Study to Investigate the Nature and Origin of the Disturbance of Vision Induced by Single Oral Doses of Sildenafil
Study Type
Interventional
2. Study Status
Record Verification Date
December 2003
Overall Recruitment Status
Completed
Study Start Date
February 2002 (undefined)
Primary Completion Date
undefined (undefined)
Study Completion Date
June 2003 (undefined)
3. Sponsor/Collaborators
Name of the Sponsor
University of Cambridge
4. Oversight
5. Study Description
Brief Summary
Patients sometimes report subjective visual effects when taking sildenafil. Our study set out to measure these in a controlled setting. Subjects were asked to detect patterns presented on a monitor screen.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Blindness
7. Study Design
Primary Purpose
Educational/Counseling/Training
Study Phase
Phase 4
Interventional Study Model
Crossover Assignment
Masking
Double
Allocation
Randomized
8. Arms, Groups, and Interventions
Intervention Type
Drug
Intervention Name(s)
Sildenafil
10. Eligibility
Sex
Male
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: male -
Exclusion Criteria:
-
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Morris J Brown, MD
Organizational Affiliation
University of Cambridge
Official's Role
Principal Investigator
First Name & Middle Initial & Last Name & Degree
John Mollon, FRS
Organizational Affiliation
University of Cambridge
Official's Role
Study Director
12. IPD Sharing Statement
Learn more about this trial
Healthy Volunteer Study of Sildenafil Effects Upon Vision
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