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Mom's voice might wake coma patients better than nature sounds

NCT ID NCT06470802

Symptom relief Sponsor: Vo Thi Hong Nhan Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study tested whether playing recordings of familiar voices or nature sounds could improve consciousness, reduce pain, and stabilize vital signs in 90 critically ill coma patients in the ICU. Patients listened to 15-minute sessions twice daily for 7 days. The goal was to see which type of sound works best for awakening and comfort.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
auditory stimulation (familiar voices or nature sounds)
What this could lead to
If it works, this could offer a simple, low-cost way to help coma patients wake up more quickly and feel less pain in the ICU.
What could go wrong
This is a small, completed trial with only 90 participants, so results may not apply to all coma patients. The effect might be small or not last long.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

90 people

The number who actually took part.

Started

Apr 2024

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients who have been admitted to the intensive care unit for a minimum of 24 hours * Patients with a Glasgow Coma Scale scores of 5-12 * Patients have a stable hemodynamic status for at least 24 hours before being enrolled in the study * Patients who have undergone surgery at least 24 hours prior to being enrolled in the study (if applicable) Exclusion Criteria: * Coma lasting longer than three months * Patients experiencing cardiac arrest for more than four minutes, cardiac arrhythmias, neuromuscular disorders, and seizures during coma * Patients with a history of chronic pain, hearing impairment, previous traumatic brain injury or stroke, or damage to the ears at the time of the study * Patients with skull fractures, surgery, or wounds in both temporal lobes or ears that may affect headphone connection * Those with addiction to alcohol or drugs * Pregnant women * Prior or current inclusion in other sensory stimulation study * Current inclusion in other study

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Conditions

The condition(s) this trial relates to.

Coma Critical Illness ocular motor apraxia, Cogan type Unconsciousness

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COMA Critical illness Unconsciousness

Contacts and locations

Locations

  • Intensive Care Unit, University Medical Center Ho Chi Minh City

    Ho Chi Minh City, 700000, Vietnam

  • Neurosurgical Intensive Care Unit, University Medical Center Ho Chi Minh City

    Ho Chi Minh City, 700000, Vietnam

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