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Sound waves on the neck: a new way to fight shock?

NCT ID NCT07467798

Symptom relief Sponsor: Tao Liu Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new approach for treating shock, a life-threatening condition where blood pressure drops dangerously low. Researchers will use low-intensity ultrasound on the neck to see if it can quickly raise blood pressure in 30 adult patients with mild to moderate shock. The goal is to determine if this painless, non-invasive method can help standard treatments work better and faster.

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

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Nov 2027

An estimate. End dates often move.

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 with shock who are ≥18 years of age and have a systolic blood pressure (SBP) between 60 mmHg and 90 mmHg; * Patients with arterial blood pressure monitoring or peripheral arterial pressure monitoring with intervals of single-digit minutes; * Patients with mild to moderate shock with a shock index (SI) of 1 ≤ SI ≤ 2; * Patients with complete medical records. Exclusion Criteria: * Patients with unstable condition and estimated survival time \<24 hours; * Patients requiring emergency surgery to achieve control of their condition; * Perioperative patients requiring surgery due to conditions other than hypotension; * Pregnant or lactating patients; * Patients with neck wounds and/or carotid artery plaques who are unsuitable for ultrasound stimulation of the left carotid sinus; * Patients deemed unsuitable for inclusion by the investigator.

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Conditions

The condition(s) this trial relates to.

Shock

As listed by the trial registrant

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

Shock

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.