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Search / Trial NCT06884384

DOAC Versus VKA in Patients With Non-high-risk APS : Prospective Cohort Study

Launched by CENTRAL HOSPITAL, NANCY, FRANCE · Mar 13, 2025

Trial Information

Current as of April 23, 2025

Not yet recruiting

Keywords

Antiphospholipid Syndrome Vka Treatment Doac Treatment Biological Analysis Thrombotic And Bleeding Events

ClinConnect Summary

prospective cohort of APS patient treated with VKA or DOACs (specially oral Xa treatment).

APS patients will be non high risk patients (no triple positivity, any previous arterial or small vessels thrombosis or cardiac involvment).

the treatment taken by the patient at inclusion will not be modified. There will therefore be no change to the patient's usual management.

all patients will have a blood sample taken at inclusion as part of a routine blood test.

Patients will be prospectively follow up and the level of recurrence thrombotic event will be recorded

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • Persons who have received full information about the organization of the research and have given their oral consent to participate.
  • Male or female 18 years of age or older;
  • * Carrier of venous thrombotic SAPL:
  • Not favoured by a major or ≥ 2 minor favouring factors, if the patient doesn't present with obstetrical SAPL in accordance with the ACR/EULAR 2023 clinical classification criteria.
  • Or favored by ≥ 2 minors, if the patient has obstetrical SAPL: severe preeclampsia \< 34 weeks or placental insufficiency
  • Regardless of how long the disease has been present
  • * With persistent positivity of at least one biological criterion:
  • Positivity of circulating lupus anticoagulant or IgG anticardiolipid or IgG anti-beta-2GPI
  • And persistence of the same positive test ≥ 12 weeks apart
  • And With maximum delay of positivity of the 1st antiphospholipid test of 3 years after the thrombotic event
  • Current anticoagulant treatment, regardless of date of introduction
  • rivaroxaban or apixaban
  • or antivitamin K
  • Patient affiliated to a social security system
  • Exclusion Criteria:
  • * Venous thrombotic event motivating current anticoagulant treatment favoured by a major favouring factor:
  • Active cancer
  • Hospitalization with bed rest for at least 3 days in the 3 months preceding the event
  • Major trauma with fractures or spinal cord injury in the month preceding the event
  • Surgery with general/spinal/epidural anesthesia for \> 30 minutes in the 3 months preceding the event.
  • * In the absence of a history of pre-eclampsia or placental insufficiency: venous thrombotic event motivating current anticoagulant treatment favoured by 2 or more minor favouring factors:
  • Systemic autoimmune disease or active inflammatory bowel disease
  • Acute/severe infection
  • Central venous catheter in the same vascular bed
  • Hormone replacement therapy, estrogenic oral contraceptives, or hormone-stimulating therapy in progress
  • Long-distance travel (≥ 8 hours)
  • Obesity (BMI ≥ 30 kg/m²)
  • Pregnancy or post-partum (6 weeks after delivery)
  • Prolonged immobilization
  • Surgery with general/spinal/epidural anesthesia for \< 30 minutes in the 3 months preceding the event
  • Known triple antiphospholipid positivity
  • Isolated IgM antiphospholipid positivity
  • History of known arterial thrombosis
  • History of known microcirculatory thrombosis
  • Known SAPL-related cardiac valvular disease
  • Persons referred to in articles L. 1121-5, L. 1121-7 and L1121-8 of the Public Health Code
  • Persons deprived of their liberty by judicial or administrative decision, persons under psychiatric care under articles L. 3212-1 and L. 3213-1.
  • Glomerular filtration rate \< 30ml/min.
  • Weight \< 50kg
  • History of thrombotic recurrence under well-administered anticoagulant therapy.

Trial Officials

Virginie DUFROST, MD

Principal Investigator

CHRU - Nancy

About Central Hospital, Nancy, France

Central Hospital, located in Nancy, France, is a leading healthcare institution dedicated to advancing medical research and improving patient outcomes. As a prominent clinical trial sponsor, the hospital is committed to conducting innovative studies across various therapeutic areas, fostering collaboration among multidisciplinary teams of healthcare professionals and researchers. With a strong emphasis on ethical standards and patient safety, Central Hospital leverages its state-of-the-art facilities and expertise to contribute to the development of cutting-edge treatments and enhance the overall quality of care within the community and beyond.

Locations

Brest, , France

Amiens, , France

Besançon, , France

Paris, , France

Reims, , France

Dijon, , France

Strasbourg, , France

Lyon, , France

Mulhouse, , France

Nantes, , France

Vandoeuvre Lès Nancy, Grand Est, France

Metz, , France

Saint Priest En Jarez, , France

Patients applied

0 patients applied

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported