Haemofiltration Study : IVOIRE (hIgh VOlume in Intensive Care)

2014-08-27 03:48:10 | BioPortfolio


Sepsis and septic shock are still important causes of mortality in intensive care medicine. Renal replacement therapy by standard volume haemofiltration is currently used, but a higher-volume haemofiltration may improve the prognosis. The study is a prospective randomized multicenter trial comparing two treatments in patients suffering from septic shock complicated with acute renal failure admitted to ICU. One group will be treated by early high volume haemofiltration (70 ml/kg/h) and the second group by standard volume haemofiltration (35 ml/kg/h). The main outcome will be one-month mortality.



Sepsis and septic shock are still important causes of mortality in intensive care medicine nowadays. Mortality ranges from 40 up to 80 % depending on the number of organ failures. Therapeutic strategy consists of two major components: haemodynamic stabilization with restoration of adequate arterial pressure and optimization of peripheral perfusion delivery, and infection treatment. Mortality remains high despite the use of new antimicrobial therapy and adjuvant therapies such as activated protein C, low dose corticoids and haemofiltration. Initial observations in patients with acute renal failure treated by haemofiltration showed azotemia control, restoration of the sodium-water balance, elimination of inflammatory mediators and improvement of the cardiac and pulmonary functions was demonstrated independently of a negative water balance. There is no human randomized study so far demonstrating these preliminary findings. Nevertheless, several authors have demonstrated inflammatory mediators elimination by the use of haemofiltration. Moreover, the clinical improvement seems to be related to the ultra filtration dose and to the early initiation of therapy. Joannes-Boyau et al carried out a pilot study in abdominal surgery patients demonstrating that the use of high volume haemofiltration in patients with septic shock and multiple organ failure restores hemodynamic stability with drastic reductions in catecholamine requirements and a substantial reduction of observed vs. expected mortality.


The principal objective of the study is to evaluate the effect of early Continuous High Volume Haemofiltration on 28-day mortality in patients with septic shock complicated by acute renal failure. The secondary objectives are to assess the effect of High Volume Haemofiltration on haemodynamics, doses of catecholamines, organ failures, duration of mechanical ventilation, duration of renal replacement therapy need, morbidity, length of ICU and hospital stay, and 60- and 90-day mortality.

Study design

Open label randomized multicenter controlled trial on two parallel groups of patients with septic shock and acute renal failure admitted to ICU, treated early either by high volume (70 ml/kg/h) or by standard volume (35 ml/kg/h) haemofiltration.

Eligibility criteria

Inclusion criteria. Septic shock (Bone criteria) for less than 24 hours, RIFLE criteria : injury or worse, age over 18 years, and written informed consent by next of kin. Non inclusion criteria. Cirrhosis, age over 80 years, life expectancy less than 3 months or metastatic cancer.


High volume (70 ml/kg/h) vs. standard volume (35 ml/kg/h) haemofiltration during 96 hours. Further renal replacement therapy (if haemofiltration, only standard volume is allowed) may be used according to investigator decision.

Primary endpoint

All cause 28-day mortality.

Statistical aspects

460 patients are planned to be included (230 in each group). A 15 % absolute reduction in 28-days all-cause mortality in the high volume group compared with the standard group is expected. However, as this reduction might be greater, an interim analysis is planned when half of the total sample size will have been included. Data will be analyzed on an intention-to-treat basis.

Duration of the study: 3 years.

Study Design

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


Shock, Septic


Venovenous haemofiltration (renal replacement therapy), Venovenous haemofiltration (renal replacement therapy)


Cliniques de l'Europe




University Hospital, Bordeaux

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:48:10-0400

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Medical and Biotech [MESH] Definitions

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Conditions in which the KIDNEYS perform below the normal level in the ability to remove wastes, concentrate URINE, and maintain ELECTROLYTE BALANCE; BLOOD PRESSURE; and CALCIUM metabolism. Renal insufficiency can be classified by the degree of kidney damage (as measured by the level of PROTEINURIA) and reduction in GLOMERULAR FILTRATION RATE. The most severe form is KIDNEY FAILURE. Renal function may deteriorate slowly (RENAL INSUFFICIENCY, CHRONIC) or precipitously (RENAL INSUFFICIENCY, ACUTE).

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