Study of BGG492 in Patients With Chronic Subjective Tinnitus
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Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
A Multicenter, Randomized, Double-blind, Placebo- Controlled, Cross-over, Proof of Concept Study Comparing the Effects of Both Single Dose and Repeated Dosing Treatment for 2 Weeks of BGG492 in Patients With Chronic Subjective Tinnitus
Study Start Date :
Actual Primary Completion Date :
Actual Study Completion Date :
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Ages Eligible for Study:
18 Years to 75 Years (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients diagnosed with THI (Tinnitus Handicap Inventory) severity grade 3, 4 or 5 (moderate, severe or catastrophic), chronic (> 6 months and < 36 months) subjective tinnitus
Willing to abstain from activities that require focused attention, e.g. driving a car or other vehicles, operating machines or engaging in potentially dangerous activities that require focused attention and intact physical balance
Willing and able to refrain from engaging in activities or work involving loud noise exposure
Patients diagnosed with tinnitus of THI severity grade equal to 2 or 1
Patients with diagnosis of intermittent or pulsatile tinnitus
Patients who have tinnitus as a concomitant symptom of a treatable otological disease (such as otitis media, Menière's disease, otosclerosis), neurological tumors or/and have temporo-mandibular joint disorders
Patients with a history of frequent middle ear infections (> 3 infections per year during the last 3 years)
Patients with diagnosed anxiety disorders, depression, schizophrenia or other significant psychiatric diseases requiring current drug treatment or patients who required treatment in the previous 3 months for these diseases.
Patients with current unilateral or bilateral hearing loss of 75 dB or more in one or more tested frequencies (125 Hz, 250 Hz, 1 kHz, 2 kHz, 4 kHz, 6 kHz, 8 kHz)
Patients with Vestibular Schwannoma
Patients with a cochlear implant
Patients with regular intake of central nervous system acting drugs for the treatment of tinnitus in the previous 6 months prior to initial dosing
Other protocol-defined inclusion/exclusion criteria may apply