ICU shock study: delaying arterial catheters may be just as safe

NCT ID NCT03680963

Completed Knowledge-focused Sponsor: University Hospital, Tours Source: ClinicalTrials.gov ↗

First seen Jan 07, 2026 · Last updated Jun 12, 2026 · Updated 20 times

Summary

This study looked at whether waiting to place an arterial catheter (a thin tube in an artery to monitor blood pressure) in critically ill patients with shock is as safe as placing it right away. Over 1,000 adults in intensive care were randomly assigned to either early or delayed catheter insertion. The main goal was to see if delaying the procedure affected the number of deaths within 28 days. The findings help doctors decide the best timing for this common ICU procedure.

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Contacts and locations

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Locations

Intensive care

Argenteuil, France
Intensive care

Dijon, France
Intensive care

La Roche-sur-Yon, France
Intensive care

Montauban, France
Intensive care

Nantes, France
Intensive care

Orléans, France
Intensive care

Poitiers, France
Intensive care

Strasbourg, France
Intensive care

Tours, France

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.

ACUTE CIRCULATORY FAILURE