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Coagulation Disorders Secondary to Two Plasmapheresis Techniques (Double Filtration Plasmapheresis vs. PFS). Descriptive Pilot Study.

RecruitingNAAges 18 Years - anyAllCentre Hospitalier Universitaire de Nīmes
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In plain words

What the trial is, and whether it could suit you

Therapeutic plasmapheresis causes changes in haemostasis by purifying many of the circulating factors involved. Few reliable data are available on these changes and most studies are limited to coagulation factor assays before and after the session, with little data documenting the kinetics of regeneration of these factors. It is recognized that haemostasis disorders caused by therapeutic apheresis must be corrected in cases of active bleeding. However the methods of correcting these disorders are debatable. Finally, it is unclear when changes in haemostasis associated with coagulation factor deficiency should be corrected. Haemostasis is probably not based solely on the level of blood fibrinogen, but it is most often its threshold that is used to trigger replacement therapy to prevent a supposed risk of haemorrhage. No studies are available on the kinetics of haemostasis disorders and th

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📋 Eligibility rules (as published)
Inclusion Criteria: * Patients without renal failure treated with chronic therapeutic plasmapheresis with a minimum treatment interval of 10 days and who can be treated with single plasma exchange (SPE) or double filtration plasmapheresis (DFPP) in accordance with the international recommendations. * Therapeutic plasmapheresis with regional citrate anticoagulation. * Patients over 18 years of age. * Patient affiliated to or benefiting from a social security scheme. * Free, informed and written consent, signed by the participant and the investigator (at the latest on the day of inclusion and before any examination required by the research). Exclusion Criteria: * Patients treated with oral anticoagulants or anti-platelet agents. * Patients treated for hypercholesterolaemia or hypertriglyceridaemia; hyperviscosity, acquired haemophilia or nephrotic syndrome. * Indication for substitution with fresh frozen plasma (FFP) for the treatment of the disease. * Patient in an exclusion period determined by another study. * Patient under court protection, guardianship or curatorship. * Patient unable to give consent. * Patient for whom it is impossible to give informed information. * Pregnant or breast-feeding patients.
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What it tests

  • Single Plasma Exchange followed by Double Filtration Plasmapheresis
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Where

1 site
CHU de Nîmes
Nîmes, France
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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