deltatrials
Completed PHASE3 INTERVENTIONAL 3-arm NCT01177137

Tinnitus Retraining Therapy Trial (TRTT)

Sponsor: 59th Medical Wing

Conditions Subjective Tinnitus
Interventions Conventional sound generator (SG) Directive Counseling (DC) Placebo sound generator (placebo SG) Standard of Care (SC)
Updated 8 times since 2017 Last updated: Oct 24, 2018 Started: Jul 31, 2011 Primary completion: Feb 28, 2017 Completion: Feb 28, 2017
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE3 trial investigates Subjective Tinnitus and is currently completed. 59th Medical Wing leads this study, which shows 8 recorded versions since 2011 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Mar 2017 · 59 days · monthly snapshotActive Not Recruiting~Mar 2017 – ~Jun 2018 · 15 months · monthly snapshotCompleted~Jun 2018 – ~Dec 2018 · 6 months · monthly snapshotCompleted~Dec 2018 – ~May 2020 · 17 months · monthly snapshotCompleted~May 2020 – ~Jan 2021 · 8 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 24 months · monthly snapshotCompleted

Change History

8 versions recorded

  1. Sep 2024 — Present [monthly]

    Completed PHASE3

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  3. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE3

  4. May 2020 — Jan 2021 [monthly]

    Completed PHASE3

  5. Dec 2018 — May 2020 [monthly]

    Completed PHASE3

▶ Show 3 earlier versions

  1. Jun 2018 — Dec 2018 [monthly]

    Completed PHASE3

  2. Mar 2017 — Jun 2018 [monthly]

    Completed PHASE3

    Status: Active Not Recruiting → Completed

  3. Jan 2017 — Mar 2017 [monthly]

    Active Not Recruiting PHASE3

    First recorded

Jul 2011

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • 59th Medical Wing
  • David Grant U.S. Air Force Medical Center
  • Johns Hopkins Bloomberg School of Public Health
  • National Institute on Deafness and Other Communication Disorders (NIDCD)
  • Naval Hospital Camp Pendleton
  • United States Naval Medical Center, Portsmouth
  • United States Naval Medical Center, San Diego
  • University of Alabama, Tuscaloosa
  • Walter Reed National Military Medical Center
Data source: Johns Hopkins Bloomberg School of Public Health

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations