deltatrials
Recruiting NA INTERVENTIONAL 3-arm NCT04661995

Notched Noise Therapy for Suppression of Tinnitus

Notched Noise Therapy for Suppression of Tinnitus: A Randomized Controlled Trial

Sponsor: VA Office of Research and Development

Conditions Notched Noise Therapy Tinnitus
Interventions Hearing Aid Hearing Aid and Broadband Noise Hearing Aid and Notched Noise Therapy
Updated 13 times since 2021 Last updated: Oct 6, 2025 Started: Mar 1, 2023 Primary completion: May 31, 2026 Completion: May 31, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Notched Noise Therapy and Tinnitus, this trial is actively recruiting participants. The trial is conducted by VA Office of Research and Development and has accumulated 13 data snapshots since 2023. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Sep 2021 · 7 months · monthly snapshot~Sep 2021 – ~Feb 2022 · 5 months · monthly snapshot~Feb 2022 – ~Jul 2022 · 5 months · monthly snapshot~Jul 2022 – ~Sep 2022 · 2 months · monthly snapshot~Sep 2022 – ~Feb 2023 · 5 months · monthly snapshot~Feb 2023 – ~Apr 2023 · 59 days · monthly snapshot~Apr 2023 – ~Nov 2023 · 7 months · monthly snapshot~Nov 2023 – ~Jul 2024 · 8 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Nov 2024 · 2 months · monthly snapshot~Nov 2024 – ~Nov 2025 · 12 months · monthly snapshot~Nov 2025 – present · 8 months · monthly snapshot

Change History

13 versions recorded

  1. Nov 2025 — Present [monthly]

    Recruiting NA

    Status: Enrolling By Invitation → Recruiting

  2. Nov 2024 — Nov 2025 [monthly]

    Enrolling By Invitation NA

  3. Sep 2024 — Nov 2024 [monthly]

    Enrolling By Invitation NA

  4. Jul 2024 — Sep 2024 [monthly]

    Enrolling By Invitation NA

  5. Nov 2023 — Jul 2024 [monthly]

    Enrolling By Invitation NA

    Status: Recruiting → Enrolling By Invitation

▶ Show 8 earlier versions

  1. Apr 2023 — Nov 2023 [monthly]

    Recruiting NA

    Status: Not Yet Recruiting → Recruiting

  2. Feb 2023 — Apr 2023 [monthly]

    Not Yet Recruiting NA

  3. Sep 2022 — Feb 2023 [monthly]

    Not Yet Recruiting NA

  4. Jul 2022 — Sep 2022 [monthly]

    Not Yet Recruiting NA

  5. Feb 2022 — Jul 2022 [monthly]

    Not Yet Recruiting NA

  6. Sep 2021 — Feb 2022 [monthly]

    Not Yet Recruiting NA

    Phase: EARLY_PHASE1 → NA

  7. Feb 2021 — Sep 2021 [monthly]

    Not Yet Recruiting EARLY_PHASE1

  8. Jan 2021 — Feb 2021 [monthly]

    Not Yet Recruiting EARLY_PHASE1

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • VA Office of Research and Development
Data source: VA Office of Research and Development

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

Study Locations