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New ultrasound method spots low blood flow in spinal cord injuries

NCT ID NCT04056988

Knowledge-focused Sponsor: University of Washington 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jul 14, 2026 · Updated 2 times

Summary

This study tested whether a special ultrasound with a contrast agent (DEFINITY®) can measure blood flow in the spinal cord during surgery for acute spinal cord injury. 27 patients received the contrast agent while surgeons performed routine decompression. The goal was to see if the technique is feasible and could help doctors detect dangerously low blood flow that may worsen the injury.

What this could mean

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

Active substance
Perflutren lipid microsphere (DEFINITY®)
What this could lead to
If successful, this technique could help doctors identify low blood flow in the spinal cord and guide treatments to improve outcomes after injury.
What could go wrong
This is a small, early feasibility study focused on imaging, not treatment. The technique may not prove useful or may not improve patient recovery.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

27 people

The number who actually took part.

Started

Jul 2018

Finished

Nov 2023

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: * \>18 * Male or Female * Acute \<72 hours spinal cord injury (ASIA) grade A to D * Medically stable to undergo routine decompression and spinal realignment Exclusion Criteria: * \<18 years of age * Not clinically stable for spinal surgery * Traumatic Brain Injury * Known sensitivity to lipid microsphere or its components i.e., (PEG). * A history of anaphylactoid reactions from ultrasound-enhancing agents

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Conditions

The condition(s) this trial relates to.

spinal cord injury

As listed by the trial registrant

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

Acute spinal cord injury

Contacts and locations

Locations

  • Harborview Medical Center

    Seattle, Washington, 98104, United States

More trials for these conditions

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