The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
Read our disclaimer for details.
Meniere's disease affects a person's sense of balance. An attack can last 20 minutes to 2 hours or longer. Symptoms include rotational vertigo, hearing loss, tinnitus and a sensation of fullness in the affected ear and may be associated with nausea and vomiting. One hypothesis is that Meniere's disease is caused by the excessive accumulation of fluid in the balance tubes within the inner ear. Sildenafil may alleviate the symptoms due to its vasodilatory activity. The purpose of this study is to assess the safety and efficacy of sildenafil (Viagra) compared with placebo on symptoms during one acute attack.
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Layout table for eligibility information
Ages Eligible for Study:
18 Years to 75 Years (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Active Meniere's disease (2 or more definitive spontaneous episodes of vertigo 20 minutes or longer, plus hearing loss on at least 1 occasion, tinnitus or aural fullness) with confirmed diagnosis
Pregnant or breast feeding females or fertile females unwilling to use agreed contraceptive methods
severe Meniere's diseased (more than 8 attacks per month)
previous ear surgery
intratympanic perfusions of steroids or gentamicin; requiring other medications contraindicated for Viagra (eg. nitrates)
with medical conditions that make Viagra contraindicated