Chilling the spine: could hypothermia heal paralysis?
NCT ID NCT02991690
First seen Jun 25, 2026 · Last updated Aug 27, 2026 · Updated 3 times
Summary
This study is testing whether cooling the body to 33°C (just below normal) for 48 hours soon after a cervical spinal cord injury can improve nerve recovery and function. Researchers will enroll 120 adults aged 18-70 with severe but non-penetrating injuries. The cooling is delivered through a catheter in the leg, and participants are monitored for safety and neurological improvement.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- hypothermia (body cooling via catheter)
- What this could lead to
- If it works, this could become a standard early treatment to limit nerve damage and improve movement and independence after spinal cord injury.
- What could go wrong
- This is an early study without a control group, so results may not prove effectiveness. Cooling carries risks like infection, bleeding, and heart problems.
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
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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
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2017
- Expected to finish
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Sep 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 - 70 years of age * AIS Grade A - C * Glasgow Coma Scale ≥14 * Able to start hypothermia treatment within 24 hours of injury * Non-penetrating injury. Patients urgently taken to the operating room for surgical reduction may also be included. Exclusion Criteria: * Age \> 70 years * AIS Grade D * Hyperthermia on admission (\>38.5ºC) * Severe systemic injury * Severe bleeding * Pregnancy * Coagulopathy * Thrombocytopenia * Known prior severe cardiac history * Blood dyscrasia * Pancreatitis * Reynaud's syndrome * Cord transection
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
5 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
Contacts and locations
Locations
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Emory University School of Medicine
TERMINATEDAtlanta, Georgia, 30303-3049, United States
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HonorHealth Research Institute with Barrow Brain and Spine
RECRUITINGPhoenix, Arizona, 85027, United States
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Indiana University School of Medicine
TERMINATEDIndianapolis, Indiana, 46202-1000, United States
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Jackson Memorial Hospital
RECRUITINGMiami, Florida, 33136, United States
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Prisma Health - University of South Carolina
RECRUITINGColumbia, South Carolina, 29203, United States
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Thomas Jefferson University
RECRUITINGPhiladelphia, Pennsylvania, 19107-5125, United States
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University of Maryland School of Medicine
RECRUITINGBaltimore, Maryland, 21201, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Hypnosis therapy shows promise for spinal cord injury pain relief
- Spinal cord injury patients get first shot at novel cell delivery device
- Spinal stimulation may boost arm recovery in quadriplegia
- Shocking bladder trouble away: nerve zap trial for spinal injury patients
- New surgery could give spinal cord injury patients a better chance at recovery