Last updated on December 2018

Apixaban for Treatment of Embolic Stroke of Undetermined Source

Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Embolic Stroke
  • Age: Between 18 - 100 Years
  • Gender: Male or Female

Inclusion criteria Must be 18 years at the time of signing the informed consent.

  • ESUS must be defined according to following criteria:
  • Stroke detected by CT or MRI that is not lacunar
  • Absence of extracranial or intracranial atherosclerosis causing 50% luminal stenosis in arteries supplying the area of ischaemia
  • No major-risk cardioembolic source of embolism
  • No other specific cause of stroke identified
  • * At least one of the following non-major but suggestive risk factors for cardiac
  • LA size >45mm (parasternal axis)
  • spontaneous echo contrast in LAA
  • LAA flow velocity <=0.2m/s
  • atrial high rate episodes
  • CHA2DS2-Vasc score >=4
  • persistent foramen ovale
  • Understand and voluntarily sign an informed consent document
  • Women of childbearing potential (WOCBP) must be using an adequate method of contraception.

Exclusion Criteria:

  • History of hypersensitivity to the investigational medicinal product
  • Participation in other clinical trials or observation period of competing trials.
  • Arteria cerebri media stroke affecting > 30% of c o r r e s p o n d i n g territory
  • Diagnosis of haemorrhage or other pathology,
  • Clear indication for anticoagulation
  • Inability to control following risk factors for Hemorrhagic Transformation of fresh cerebral Infarction (HTI) during index hospital stay: presence of HTI at the time of anticoagulation, blood pressure >140 mmHg systolic, abnormal blood glucose Clear indication for dual antiplatelet therapy
  • Clear stroke-/non-stroke-indication for concomitant long-term therapy with antiplatelets (e.g. acetylsalicylic acid (ASA), Clopidogrel, or Prasugrel) or with non-steroidal anti-inflammatory drugs (NSAID).
  • Concomitant systemic therapy with strong inhibitors of cytochrome P450 3A4 (CYP3A4) and P-glycoprotein (P-gp), i.e. azoleantimycotics and human immunodeficiency virus (HIV)-protease inhibitors.
  • Contraindication to investigational medications
  • Planned or likely therapy with fibrinolytic agents within 48 hours of first study medication
  • History of intracranial, intraocular, spinal, retroperitoneal or atraumatic intra-articular bleeding
  • Gastrointestinal bleed or major surgery within 3 months
  • Planned or likely revascularization (any angioplasty or vascular surgery) within the next 3 months
  • TIA or minor stroke induced by angiography or surgery
  • Severe non-cardiovascular comorbidity with life expectancy < 3 months
  • Severe renal failure, defined as Glomerular Filtration Rate (GFR) <15ml/min
  • Severe hepatic insufficiency (Child-Pugh score B to C),
  • Active liver disease,
  • Contraindications against performance of MRI (pacemaker/ICD), previous implantation non-MRI capable protheses
  • Patients considered unreliable by the investigator, or having a life expectancy less than the expected duration of the trial

Recruitment Status: Open

Brief Description Eligibility Contact Research Team

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