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Clinical Trial Summary

The main objectives of the study are 1)to examine the immediate (2 hours) and delayed (8 hours) effects of intravenous hydrocortison on macro and microvascular post-ischemic vasoreactivity, in septic shock adult patients; 2) to examine possible correlations between post-ischemic flow-mediated dilation (FMD) of the brachial artery (assessed by ultrasound imaging) and post-ischemic recovery slope of the thenar oxygen saturation (StO2) (assessed by near-infrared spectroscopy).


Clinical Trial Description

Two primary end points, considered as reflecting vasoreactivity will be assessed :

1. Flow-mediated dilation (FMD) of the brachial artery, measured by ultrasound imaging, expressed in mm or in percentage, will be calculated from artery diameters measured before and after a vascular occlusion test (cuff around arm or forearm).

2. recovery slope of thenar oxygen saturation (StO2), assessed by near infrared spectroscopy (NIRS), expressed in %/second, will be recorded after the vascular occlusion test.

The two primary end points (FMD and recovery slope of StO2)will be assessed at the following timepoints :

- baseline (before first injection of placebo or hydrocortison)

- 2 hours after first injection of placebo or hydrocortison

- 2 hours after second injection of placebo or hydrocortison (i.e. 8 hours after first injection)

- 4 to 6 hours after third injection

- 4 to 6 hours after fourth injection (optional) ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01817153
Study type Interventional
Source Centre Hospitalier Régional d'Orléans
Contact
Status Terminated
Phase Phase 2/Phase 3
Start date November 5, 2013
Completion date November 5, 2019

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