NCT04482998

Brief Summary

Acute acoustic trauma is a growing concern in the IDF. there is currently no accepted treatment. The present retrospective study is intended to evaluate the efficacy of different treatment modalities in the IDF between 01/01/2010 and 15/06/2020.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
250

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Sep 2020

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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

July 19, 2020

Completed
4 days until next milestone

First Posted

Study publicly available on registry

July 23, 2020

Completed
1 month until next milestone

Study Start

First participant enrolled

September 1, 2020

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2020

Completed
Last Updated

July 23, 2020

Status Verified

July 1, 2020

Enrollment Period

3 months

First QC Date

July 19, 2020

Last Update Submit

July 19, 2020

Conditions

Keywords

Hyperbaric Oxygen TherapyAcute Acoustic TraumaSteroids

Outcome Measures

Primary Outcomes (1)

  • Hearing improvement

    dB

    until 1 year of acoustic trauma.

Secondary Outcomes (2)

  • Tinnitus

    until 1 year of acoustic trauma.

  • Otoacoustic Emissions (OAE)

    until 1 year of acoustic trauma.

Study Arms (8)

Steroids only - early

treatment was initiated within 7 days of acoustic trauma.

Other: No intervention - retrospective study

Early combined steroid and hyperbaric oxygen therapy

treatment was initiated within 7 days of acoustic trauma.

Other: No intervention - retrospective study

Delayed combined steroid and hyperbaric oxygen therapy

treatment was initiated after 7 days of acoustic trauma.

Other: No intervention - retrospective study

Early sequential steroid followed by HBO therapy

treatment was initiated within 7 days of acoustic trauma.

Other: No intervention - retrospective study

Delayed sequential steroid followed by HBO therapy

treatment was initiated after 7 days of acoustic trauma.

Other: No intervention - retrospective study

Hyperbaric oxygen therapy only

Other: No intervention - retrospective study

No treatment

Other: No intervention - retrospective study

Steroid only - delayed

treatment was initiated after 7 days of acoustic trauma.

Other: No intervention - retrospective study

Interventions

No intervention - retrospective study

Delayed combined steroid and hyperbaric oxygen therapyDelayed sequential steroid followed by HBO therapyEarly combined steroid and hyperbaric oxygen therapyEarly sequential steroid followed by HBO therapyHyperbaric oxygen therapy onlyNo treatmentSteroid only - delayedSteroids only - early

Eligibility Criteria

Age18 Years - 40 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

Subjects that served in the IDF and sustained an acute acoustic trauma between 01.01.2010 and 15.06.2020.

You may qualify if:

  • Subjects diagnosed with acute acoustic trauma.
  • Hearing exam performed at least 24 hours after acute acoustic trauma.
  • There was a reduction of at least 30dB in the 3,000-8,000 Hz frequency range in the first hearing exam performed.

You may not qualify if:

  • A known hearing impairment prior to acute acoustic trauma.
  • Subjects lost from follow up.
  • Another diagnosis is more likely than hearing loss due to acute acoustic trauma.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Israeli Navy Medical Institute

Haifa, Israel

Location

Related Publications (1)

  • Gutkovich YE, Manheim M, Veler R, Geva A, Tal D. Hyperbaric oxygen therapy and corticosteroids as combined treatment for acute acoustic trauma. Eur Arch Otorhinolaryngol. 2025 Jul;282(7):3489-3497. doi: 10.1007/s00405-025-09246-7. Epub 2025 Jan 25.

Central Study Contacts

Yoni Evgeni Gutkovich, M.D/Ph.D

CONTACT

Dror Tal, Ph.D

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
deputy of the head of department for the human performance laboratory, the Israeli naval institute, Haifa.

Study Record Dates

First Submitted

July 19, 2020

First Posted

July 23, 2020

Study Start

September 1, 2020

Primary Completion

December 1, 2020

Study Completion

December 1, 2020

Last Updated

July 23, 2020

Record last verified: 2020-07

Data Sharing

IPD Sharing
Will not share

Locations