SPI-1005 for the Treatment of Meniere's Disease (STOPMD-3)
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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. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04677972 |
Recruitment Status :
Recruiting
First Posted : December 21, 2020
Last Update Posted : March 1, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Meniere Disease Ménière | Drug: Ebselen Drug: Placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 200 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Multi-Center Study to Evaluate the Safety and Efficacy of SPI-1005 in Meniere's Disease and Open Label Extension Study to Evaluate the Chronic Safety of SPI-1005 |
Actual Study Start Date : | August 2, 2022 |
Estimated Primary Completion Date : | July 2023 |
Estimated Study Completion Date : | August 2024 |

Arm | Intervention/treatment |
---|---|
Experimental: SPI-1005 400 mg BID
Oral administration of SPI-1005 400 mg BID for 28 days, with 84-day followup
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Drug: Ebselen
Glutathione peroxidase mimetic
Other Name: SPI-1005 |
Placebo Comparator: Placebo
Oral administration of matching placebo BID for 28 days, with 84-day followup
|
Drug: Placebo
Matching placebo containing excipients |
- Incidence of Treatment-Emergent Adverse Events [ Time Frame: 84 days ]Safety and tolerability assessed based on comparison of adverse events vs. placebo
- Change in low frequency hearing thresholds measured by pure tone audiometry [ Time Frame: 56 days ]Co-primary efficacy endpoint; assessment of hearing by pure tone audiometry
- Change in Words-in-Noise Test score [ Time Frame: 56 days ]Co-primary efficacy endpoint; assessment of word recognition by Words-in-Noise Test
- Change in tinnitus severity [ Time Frame: 56 days ]Tinnitus Functional Index (0-100) where higher score is worse outcome
- Change in tinnitus loudness [ Time Frame: 56 days ]Tinnitus Functional Index Question #2 -- How Strong or Loud was your Tinnitus? (0-10) where higher score is worse outcome
- Change in vertigo severity [ Time Frame: 56 days ]Vertigo Symptom Scale (0-60) where higher score is worse outcome
- Change in aural fullness [ Time Frame: 56 days ]Aural Fullness Scale (0-10) where higher score is worse outcome
- Change in dizziness [ Time Frame: 56 days ]Dizziness Handicap Inventory (0-100) where higher score is worse outcome

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.
Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
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.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04677972
Contact: Jonathan Kil, MD | 2066342559 | info@soundpharma.com |
United States, Arkansas | |
University of Arkansas for Medical Sciences | Recruiting |
Little Rock, Arkansas, United States, 72205 | |
Contact: Monica Smith mrsmith@uams.edu | |
United States, California | |
University of Southern California | Recruiting |
Los Angeles, California, United States, 90033 | |
Contact: Gita Itani 323-865-6156 gita.itani@med.usc.edu | |
House Clinic | Recruiting |
Los Angeles, California, United States, 90057 | |
Contact: Clinical Trials 213-770-1808 clinicaltrials@hifla.org | |
Sacramento Ear, Nose, & Throat | Recruiting |
Roseville, California, United States, 95661 | |
Contact: Rose Khalatyan, MPH 916-531-2788 rkhalatyan@davinciresearch.net | |
United States, District of Columbia | |
George Washington University | Recruiting |
Washington, District of Columbia, United States, 20037 | |
Contact: Tremaine Brock tbrock@mfa.gwu.edu | |
United States, Florida | |
ENT and Allergy Associates of Florida | Recruiting |
Boca Raton, Florida, United States, 33487 | |
Contact: O. Sandy DiBattista, CCMA 561-834-4670 oadibattista@entaaf.com | |
United States, Indiana | |
Indiana University | Recruiting |
Indianapolis, Indiana, United States, 46202 | |
Contact: Joey Calcagno 317-274-3121 Jcalcagn@IU.edu | |
United States, Kansas | |
Kansas University Medical Center | Recruiting |
Kansas City, Kansas, United States, 66160 | |
Contact: Bryan Humphrey bhumphrey@kumc.edu | |
United States, Kentucky | |
Advanced ENT & Allergy | Recruiting |
Louisville, Kentucky, United States, 40207 | |
Contact: Pamela McCullough, PhD 502-893-0159 ext 1180 PMcCullough@advancedentandallergy.com | |
United States, North Carolina | |
Piedmont Ear, Nose & Throat Associates | Recruiting |
Winston-Salem, North Carolina, United States, 27103 | |
Contact: Onyi Ukaegbe, PhD 336-714-1039 ext 222 | |
United States, Pennsylvania | |
Thomas Jefferson University | Recruiting |
Philadelphia, Pennsylvania, United States, 19144 | |
Contact: Jay Shah Jay.Shah2@jefferson.edu | |
United States, South Carolina | |
Medical University of South Carolina | Recruiting |
Charleston, South Carolina, United States, 29425 | |
Contact: Director of Clinical Research 843-792-1356 |
Responsible Party: | Sound Pharmaceuticals, Incorporated |
ClinicalTrials.gov Identifier: | NCT04677972 |
Other Study ID Numbers: |
SPI-1005-351 |
First Posted: | December 21, 2020 Key Record Dates |
Last Update Posted: | March 1, 2023 |
Last Verified: | February 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
ebselen hearing loss tinnitus |
vertigo dizziness SPI-1005 |
Meniere Disease Endolymphatic Hydrops Labyrinth Diseases Ear Diseases Otorhinolaryngologic Diseases Ebselen Anti-Inflammatory Agents, Non-Steroidal Analgesics, Non-Narcotic Analgesics Sensory System Agents Peripheral Nervous System Agents |
Physiological Effects of Drugs Anti-Inflammatory Agents Antirheumatic Agents Anti-Ulcer Agents Gastrointestinal Agents Antioxidants Molecular Mechanisms of Pharmacological Action Protective Agents Cyclooxygenase Inhibitors Enzyme Inhibitors Neuroprotective Agents |