MedPath

SPI-1005 for the Treatment of Meniere's Disease

Phase 3
Completed
Conditions
Meniere Disease
Ménière
Interventions
Drug: Placebo
Registration Number
NCT04677972
Lead Sponsor
Sound Pharmaceuticals, Incorporated
Brief Summary

The study is a randomized, double-blind, placebo-controlled, multi-center clinical trial (RCT) with open-label extension study (OLE), of SPI-1005 in adult subjects with definite Meniere's disease with active symptoms within three months preceding study enrollment.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
254
Inclusion Criteria
  • Adult males/females, 18-75 years of age at the time of enrollment.
  • Diagnosis of definite Meniere's Disease by AAO-HNS Amended 2015 Criteria.
  • Hearing loss of ≥30 dB at 250, 500, or 1000 Hz at study enrollment.
  • At least two of three active symptoms (tinnitus; aural fullness; vertigo or dizziness) of Meniere's disease by AAO-HNS Amended 2015 Criteria, within 3 months of study enrollment.
Exclusion Criteria
  • Current, or within 60 days prior to study enrollment, use of IV ototoxic medications
  • History of otosclerosis or vestibular schwannoma.
  • History of significant middle ear or inner ear surgery in the affected ear.
  • Conductive hearing loss with air-bone gap ≥15 dB, otitis media, or mixed hearing loss.
  • Significant cardiovascular, pulmonary, hepatic, renal, hematologic, gastrointestinal, endocrine, immunologic, neurological, or psychiatric disease.
  • Current use or within 30 days prior to study enrollment systemic steroids.
  • Current use or within 7 days prior to study enrollment intratympanic steroids.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboOral administration of matching placebo BID for 28 days, with 84-day followup
SPI-1005 400 mg BIDEbselenOral administration of SPI-1005 400 mg BID for 28 days, with 84-day followup
Primary Outcome Measures
NameTimeMethod
Change in Words-in-Noise Test score56 days

Co-primary efficacy endpoint; assessment of word recognition by Words-in-Noise Test

Incidence of Treatment-Emergent Adverse Events84 days

Safety and tolerability assessed based on comparison of adverse events vs. placebo

Change in low frequency hearing thresholds measured by pure tone audiometry56 days

Co-primary efficacy endpoint; assessment of hearing by pure tone audiometry

Secondary Outcome Measures
NameTimeMethod
Change in dizziness56 days

Dizziness Handicap Inventory (0-100) where higher score is worse outcome

Change in tinnitus loudness56 days

Tinnitus Functional Index Question #2 -- How Strong or Loud was your Tinnitus? (0-10) where higher score is worse outcome

Change in aural fullness56 days

Aural Fullness Scale (0-10) where higher score is worse outcome

Change in tinnitus severity56 days

Tinnitus Functional Index (0-100) where higher score is worse outcome

Change in vertigo severity56 days

Vertigo Symptom Scale (0-60) where higher score is worse outcome

Trial Locations

Locations (12)

House Clinic

🇺🇸

Los Angeles, California, United States

Sacramento Ear, Nose, & Throat

🇺🇸

Roseville, California, United States

ENT and Allergy Associates of Florida

🇺🇸

Boca Raton, Florida, United States

Kansas University Medical Center

🇺🇸

Kansas City, Kansas, United States

University of Arkansas for Medical Sciences

🇺🇸

Little Rock, Arkansas, United States

George Washington University

🇺🇸

Washington, District of Columbia, United States

University of Southern California

🇺🇸

Los Angeles, California, United States

Indiana University

🇺🇸

Indianapolis, Indiana, United States

Piedmont Ear, Nose & Throat Associates

🇺🇸

Winston-Salem, North Carolina, United States

Advanced ENT & Allergy

🇺🇸

Louisville, Kentucky, United States

Medical University of South Carolina

🇺🇸

Charleston, South Carolina, United States

Thomas Jefferson University

🇺🇸

Philadelphia, Pennsylvania, United States

© Copyright 2025. All Rights Reserved by MedPath