NCT04677972

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.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
254

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Aug 2022

Geographic Reach
1 country

12 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 8, 2020

Completed
7 months until next milestone

First Posted

Study publicly available on registry

December 21, 2020

Completed
1.6 years until next milestone

Study Start

First participant enrolled

August 2, 2022

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 19, 2023

Completed
10 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 25, 2024

Completed
Last Updated

August 1, 2024

Status Verified

November 1, 2023

Enrollment Period

1.1 years

First QC Date

June 8, 2020

Last Update Submit

July 30, 2024

Conditions

Keywords

ebselenhearing losstinnitusvertigodizzinessSPI-1005

Outcome Measures

Primary Outcomes (3)

  • Incidence of Treatment-Emergent Adverse Events

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

    84 days

  • Change in low frequency hearing thresholds measured by pure tone audiometry

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

    56 days

  • Change in Words-in-Noise Test score

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

    56 days

Secondary Outcomes (5)

  • Change in tinnitus severity

    56 days

  • Change in tinnitus loudness

    56 days

  • Change in vertigo severity

    56 days

  • Change in aural fullness

    56 days

  • Change in dizziness

    56 days

Study Arms (2)

SPI-1005 400 mg BID

EXPERIMENTAL

Oral administration of SPI-1005 400 mg BID for 28 days, with 84-day followup

Drug: Ebselen

Placebo

PLACEBO COMPARATOR

Oral administration of matching placebo BID for 28 days, with 84-day followup

Drug: Placebo

Interventions

Glutathione peroxidase mimetic

Also known as: SPI-1005
SPI-1005 400 mg BID

Matching placebo containing excipients

Placebo

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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.

You may not qualify if:

  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (12)

University of Arkansas for Medical Sciences

Little Rock, Arkansas, 72205, United States

Location

University of Southern California

Los Angeles, California, 90033, United States

Location

House Clinic

Los Angeles, California, 90057, United States

Location

Sacramento Ear, Nose, & Throat

Roseville, California, 95661, United States

Location

George Washington University

Washington D.C., District of Columbia, 20037, United States

Location

ENT and Allergy Associates of Florida

Boca Raton, Florida, 33487, United States

Location

Indiana University

Indianapolis, Indiana, 46202, United States

Location

Kansas University Medical Center

Kansas City, Kansas, 66160, United States

Location

Advanced ENT & Allergy

Louisville, Kentucky, 40207, United States

Location

Piedmont Ear, Nose & Throat Associates

Winston-Salem, North Carolina, 27103, United States

Location

Thomas Jefferson University

Philadelphia, Pennsylvania, 19144, United States

Location

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

Related Publications (3)

  • Kil J, Harruff EE, Longenecker RJ. Development of ebselen for the treatment of sensorineural hearing loss and tinnitus. Hear Res. 2022 Jan;413:108209. doi: 10.1016/j.heares.2021.108209. Epub 2021 Feb 19.

    PMID: 33678494BACKGROUND
  • Kil J, Pierce C, Tran H, Gu R, Lynch ED. Ebselen treatment reduces noise induced hearing loss via the mimicry and induction of glutathione peroxidase. Hear Res. 2007 Apr;226(1-2):44-51. doi: 10.1016/j.heares.2006.08.006. Epub 2006 Oct 6.

    PMID: 17030476BACKGROUND
  • Kil J, Lobarinas E, Spankovich C, Griffiths SK, Antonelli PJ, Lynch ED, Le Prell CG. Safety and efficacy of ebselen for the prevention of noise-induced hearing loss: a randomised, double-blind, placebo-controlled, phase 2 trial. Lancet. 2017 Sep 2;390(10098):969-979. doi: 10.1016/S0140-6736(17)31791-9. Epub 2017 Jul 14.

    PMID: 28716314BACKGROUND

MeSH Terms

Conditions

Meniere DiseaseHearing LossTinnitusVertigoDizziness

Interventions

ebselen

Condition Hierarchy (Ancestors)

Endolymphatic HydropsLabyrinth DiseasesEar DiseasesOtorhinolaryngologic DiseasesHearing DisordersSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and SymptomsVestibular Diseases

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 8, 2020

First Posted

December 21, 2020

Study Start

August 2, 2022

Primary Completion

September 19, 2023

Study Completion

July 25, 2024

Last Updated

August 1, 2024

Record last verified: 2023-11

Data Sharing

IPD Sharing
Will not share

Locations