Healthy Volunteer Study of Sildenafil Effects Upon Vision

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.

Completed

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Key information

Conditions

Blindness Eye Diseases Nervous System Diseases Neurologic Manifestations Pathological Conditions, Signs and Symptoms Sensation Disorders Signs and Symptoms Vision Disorders

Age range

18 year and older

Sex eligibility

Male

Study type

Interventional

Phase

Phase 4

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

male -

Exclusion criteria

Treatment and study plan

Sildenafil

Drug

Sponsors and collaborators

Lead sponsor

University of Cambridge

Other

Registry information

Official study 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

Important dates

Study start: 2002
Study completion: 2003
First posted: Nov 10, 2005
Registry last updated: Nov 10, 2005

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.

Published trials that share one or more normalized conditions with this study.

Completed