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Citrate Versus Heparin Anticoagulation: Effect on Molecules Clearances — RCA-SHA  

Septic Shock Clinical Trial

Official title:
Regional Citrate Versus Systemic Heparin Anticoagulation for Super High-flux Continuous Hemodialysis in Septic Shock: Effect on Middle Molecular Weight Molecules Clearances

Clinical Trial Summary

Sepsis is responsible for 50% of all acute kidney injury (AKI) in intensive care units (ICUs), contributing greatly to multiple organ dysfunction syndrome (MODS). Special types of continuous renal replacement therapies (CRRT) have been proposed as adjuvant therapies for septic shock due to their ability to remove middle molecular weight molecules such as inflammatory mediators involved in MODS pathophysiology. These therapies are called extracorporeal " blood purification " therapies.

When CRRT is used, an anticoagulation is required to prevent clotting of the extracorporeal circuit, possibly causing bleeding in selected patients. Many anticoagulation strategies have been proposed and the most commonly used in 2013 is still unfractionated heparin. Regional citrate anticoagulation (RCA) is an interesting alternative as it dramatically decreases the bleeding risk.

The investigators hypothesize that the use of citrate with Super High Flux Continuous Veno-Venus Hemodialysis (SHF-CVVHD) would be highly beneficial over time by preserving the filter effectiveness via limiting protein adhesion (which subsequently reduces filter pore sizes (protein cake)), as compared to heparin. Consequently, higher clearances of the inflammatory mediators could be maintained over time with citrate as compared to heparin anticoagulation. In other words, for the same duration of filter use, middle molecular weight molecules and cytokines clearances would be greater with citrate as compared to heparin. To test this hypothesis, the investigators will perform a clinical randomized controlled trial which aim would be to compare middle molecular weight molecules and cytokines clearances in SHF-CVVHD using RCA versus systemic heparin anticoagulation in septic patients with AKI.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01839578
Study type Interventional
Source Hospices Civils de Lyon
Contact Thomas Rimmelé, Dr
Phone 4 72 11 02 13
Email th.rimmele@gmail.com
Status Recruiting
Phase N/A
Start date May 2013
Completion date April 2015
View Details
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