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Sponsored by: |
University of Cambridge |
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Information provided by: | University of Cambridge |
ClinicalTrials.gov Identifier: | NCT00251784 |
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.
Condition | Intervention | Phase |
---|---|---|
Blindness |
Drug: Sildenafil |
Phase IV |
Study Type: | Interventional |
Study Design: | Educational/Counseling/Training, Randomized, Double-Blind, Placebo Control, Crossover Assignment, Efficacy Study |
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 |
Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Male |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria: male -
Exclusion Criteria:
-
Study ID Numbers: | LREC 98/297 |
Study First Received: | November 9, 2005 |
Last Updated: | November 9, 2005 |
ClinicalTrials.gov Identifier: | NCT00251784 |
Health Authority: | United Kingdom: National Health Service |
Signs and Symptoms Sensation Disorders Vision Disorders Eye Diseases Neurologic Manifestations |
Sildenafil Healthy Blindness Vision, Low |
Vasodilator Agents Phosphodiesterase Inhibitors Molecular Mechanisms of Pharmacological Action Therapeutic Uses |
Nervous System Diseases Enzyme Inhibitors Cardiovascular Agents Pharmacologic Actions |