deltatrials
Unknown NA INTERVENTIONAL 2-arm NCT04311437

Effect of Self-acupressure on Middle Ear Barotrauma Associated With Hyperbaric Oxygen Therapy

Effect of Self-acupressure on Middle Ear Barotrauma Associated With Hyperbaric Oxygen Therapy: a Nonrandomized Clinical Trial

Sponsor: Chang Gung Memorial Hospital

Conditions Hyperbaric Oxygen Therapy Middle Ear Barotrauma
Interventions Combined Valsalva and Toynbee maneuvers Self-acupressure therapy
Updated 8 times since 2020 Last updated: Mar 8, 2022 Started: Mar 1, 2020 Primary completion: Feb 28, 2023 Completion: Feb 28, 2023
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04311437, this NA trial focuses on Hyperbaric Oxygen Therapy and Middle Ear Barotrauma and remains ongoing. Sponsored by Chang Gung Memorial Hospital, it has been updated 8 times since 2020, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Apr 2020 – ~Jan 2021 · 9 months · monthly snapshotRecruiting~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshotRecruiting~Sep 2021 – ~Apr 2022 · 7 months · monthly snapshotRecruiting~Apr 2022 – ~Aug 2023 · 16 months · monthly snapshotRecruiting~Aug 2023 – ~Jul 2024 · 11 months · monthly snapshotUnknown Status~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotUnknown~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotUnknown~Sep 2025 – present · 10 months · monthly snapshotUnknown

Change History

8 versions recorded

  1. Sep 2025 — Present [monthly]

    Unknown NA

  2. Sep 2024 — Sep 2025 [monthly]

    Unknown NA

  3. Jul 2024 — Sep 2024 [monthly]

    Unknown NA

    Status: Unknown Status → Unknown

  4. Aug 2023 — Jul 2024 [monthly]

    Unknown Status NA

    Status: Recruiting → Unknown Status

  5. Apr 2022 — Aug 2023 [monthly]

    Recruiting NA

▶ Show 3 earlier versions

  1. Sep 2021 — Apr 2022 [monthly]

    Recruiting NA

  2. Jan 2021 — Sep 2021 [monthly]

    Recruiting NA

  3. Apr 2020 — Jan 2021 [monthly]

    Recruiting NA

    First recorded

Mar 2020

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Chang Gung Memorial Hospital
Data source: Chang Gung Memorial Hospital

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

Study Locations