The Pharmacological Basis for the Increase in Visual Time Constants Induced by Single Oral Doses of Sildenafil

NCT00463957 · clinicaltrials.gov ↗

NA

Phase

UNKNOWN

Status

12

Enrollment

OTHER

Sponsor class

Conditions

Erectile Dysfunction

Interventions

DRUG: sildenafil
DRUG: tadalafil
DRUG: placebo

Sponsor

University of Cambridge