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Effect of a Pre Heparin Coated Dialysis Filter on Coagulation During Hemodialysis

Renal Failure Clinical Trial

Official title:
The Effect of a Heparin-coated Dialysis Filter (Evodial) on Clotting and Intravascular Coagulation During Hemodialysis (HD) When Compared to a Conventional Polyflux Filter (170H)

Clinical Trial Summary

The purpose of this study is to determine whether the heparin-coated dialysis filter is superior to a conventional filter during hemodialysis in twelve stable, chronic hemodialysis (HD) patients.

The antithrombogenic properties of the heparin-coated dialysis filter and of the conventional filter will be compared by means of statistical tests.

Clinical Trial Description

In the present study twelve chronic hemodialysis (HD) patients will be included. Exclusion criteria are use of acetylsalicylic acid and/warfarin, clinical signs of infection and disseminated malignant disease. For each patient four HD sessions will be investigated; alternating with use of the pre-heparin-coated filter or the conventional filter. Dalteparin is reduced to 50% of the conventional dose and is given as one single bolus dose at start of HD.

The venous drip chamber will be visually inspected for evaluation of clot score during each HD session. The filter will be visually inspected for clot score at the end of each session.

Blood specimens will be drawn systematically during each HD session to evaluate platelet and coagulation activity as well as anti Factor Xa activity, haematology and urea/creatinine to evaluate dialysis effect.

The antithrombogenic properties of the pre-heparin-coated filter and the conventional filter will be compared by means of statistical tests. The hypothesis is that the pre-heparin-coated filter induces significantly less clot score in the extracorporeal system during hemodialysis and also significantly less intravascular activation of the coagulation system compared to the conventional filter. ;

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01388270
Study type Interventional
Source Oslo University Hospital
Contact
Status Completed
Phase Phase 4
Start date September 2011
Completion date January 2016
View Details
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