Chilling fever: can cooling septic shock patients save lives?
NCT ID NCT04494074
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Researchers are testing two ways to manage fever in patients with septic shock who are on breathing machines. One group receives standard care that allows fever to continue, while the other group receives external cooling to bring body temperature down to normal. The trial compares death rates at 60 days and changes in organ failure scores to see which approach works better.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- external cooling to lower body temperature
- What this could lead to
- If cooling fever helps, it could become a simple, widely available way to improve survival for patients with septic shock on ventilators.
- What could go wrong
- Fever may help the body fight infection, so cooling it could be harmful. This is an open-label trial, and results may not apply to all septic shock patients.
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 820 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2022
- Expected to finish
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Dec 2028
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 years and older
- 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: * Documented or suspected infection either communautary or hospital acquired * Septic shock defined by the need for vasopressor and lactate\>2 mmol/l despite adequate fluid resuscitation (sepsis-3 definition) * Patients under invasive mechanical ventilation * Body core temperature\>38.3°C * Intravenous sedation or opioids * Ongoing antimicrobial treatment and/or intervention for infection source control * Attending physician confirms clinical equipoise without substantial risk if the patient participates in the trial * Informed consent of next of kin/other designated person before inclusion or procedure for inclusion in emergency situation Exclusion Criteria: * Cardiac arrest within previous 7 days * Acute brain injury within previous 7 days * Extensive burns or epidermal necrolysis * \<18 years old * Body core temperature \>41°C * Under legal guardianship * No affiliation with the French health-care system * Pregnancy * Participation in another interventional study with mortality as the primary endpoint * An investigator's decision not to resuscitate * Patient already recruited in the trial
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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
28 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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CH BIGORRE SITE GESPE Tarbes
RECRUITINGTarbes, France
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CH Cholet
RECRUITINGCholet, France
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CH Lens
NOT_YET_RECRUITINGLens, 62300, France
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CH Libourne
RECRUITINGLibourne, France
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CH Victor Dupouy
RECRUITINGArgenteuil, France
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CHBA Vannes-Auray
RECRUITINGVannes, France
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CHD Dijon
RECRUITINGDijon, France
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CHD Vendée
RECRUITINGLa Roche-sur-Yon, France
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CHR Metz Hôpital de Mercy
NOT_YET_RECRUITINGMetz, France
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CHU Amiens
RECRUITINGAmiens, France
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CHU Angers
RECRUITINGAngers, France
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CHU Archet 1
ACTIVE_NOT_RECRUITINGNice, France
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CHU Charles Nicolle
RECRUITINGRouen, France
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CHU Grenoble
RECRUITINGGrenoble, France
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CHU Hotel Dieu
RECRUITINGNantes, France
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CHU Kremlin Bicetre
ACTIVE_NOT_RECRUITINGLe Kremlin-Bicêtre, France
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CHU La Milétrie Poitiers
RECRUITINGPoitiers, France
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CHU Le Mans
RECRUITINGLe Mans, France
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CHU Reims
ACTIVE_NOT_RECRUITINGReims, France
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CHU Réunion Sud
RECRUITINGSaint-Denis, France
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Centre Hospitalier Mignot
RECRUITINGVersailles, France
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Centre hospitalier intercommunal de Créteil
RECRUITINGCréteil, France
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GH Est Francilien
RECRUITINGJossigny, France
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GRH Mulhouse
RECRUITINGMulhouse, France
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Hopital Lariboisière - Réanimation Médicale
RECRUITINGParis, France
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Hôpital FOCH
RECRUITINGSuresnes, France
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Hôpital Henri Mondor
ACTIVE_NOT_RECRUITINGCréteil, France
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Hôpital Lariboisière -Réanimation chirurgicale
RECRUITINGParis, France
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Hôpital Nord Franche Comté
RECRUITINGBelfort, France
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Hôpital Pasteur
RECRUITINGNice, France
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Hôpital Saint Joseph Saint Luc
NOT_YET_RECRUITINGLyon, 69001, France
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Hôpital Timone
ACTIVE_NOT_RECRUITINGMarseille, France
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Hôpital de la Croix-Rousse
RECRUITINGLyon, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Bedside eye scans may reveal hidden blood flow problems in septic shock
- Can two blood markers catch sepsis before it turns deadly?
- Two cheap blood ratios put to the test as sepsis death predictors
- Can a bedside ultrasound predict which septic shock patients will stop breathing on their own?
- Can a computer model speed up sepsis blood tests?
- A routine calcium reading could reveal how sick a sepsis patient really is