Apixaban for Treatment of Embolic Stroke of Undetermined Source
ATTICUS
1 other identifier
interventional
352
1 country
16
Brief Summary
Multicentre (national, Germany), randomized (2x2 factorial), open, parallel group, active controlled, efficacy study (phase III)
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Dec 2015
Longer than P75 for phase_3
16 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 20, 2015
CompletedFirst Posted
Study publicly available on registry
April 27, 2015
CompletedStudy Start
First participant enrolled
December 1, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2021
CompletedOctober 13, 2021
September 1, 2021
4.7 years
March 20, 2015
October 12, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Imaging Endpoint: Occurrence of at least one new ischemic lesion at 12 months after study drug initiation when compared to baseline MRI before study drug initiation
The primary endpoint will be the occurrence of at least one new ischemic lesion identified by magnetic resonance imaging (axial T2-weighted fluid attenuated inversion recovery MRI (FLAIR) and/or axial diffusion weighted MRI (DWI)) at 12 months when compared to the baseline MRI (FLAIR, DWI) obtained at the time of study drug initiation. MRI at 12 months will be directly compared with the baseline MRI to assess for new ischemic lesions.
12 months
Secondary Outcomes (5)
Combination of recurrent ischaemic stroke, hemorrhagic stroke, systemic embolism
12 months
Combination of major adverse cardiovascular events (MACE) including recurrent stroke, myocardial infarction and cardiovascular death
12 months
Combination of major and clinically relevant non-major bleedings defined according to ISTH criteria
12 months
Change of cognitive function (MOCA)
12 months
Life quality (EQ-5D)
12 months
Study Arms (2)
Apixaban
EXPERIMENTALApixaban 5mg b.i.d. Study treatment: 12 months Follow-up: 30 days after last study drug intake
Aspirin
ACTIVE COMPARATORAcetylic Salicylic Acid 100mg o.d.; Study treatment: 12 months Follow-up: 30 days after last study drug intake
Interventions
Apixaban is an oral anticoagulant currently approved for prevention of stroke and systemic embolism in patients with non-valvular atrial fibrillation, for the treatment of deep vein thrombosis and pulmonary embolism, and for the prophylaxis of systemic embolism after orthopedic surgery
Eligibility Criteria
You may qualify if:
- 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 embolism:
- 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.
You may not qualify if:
- 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. azole antimycotics 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
- +5 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University Hospital Tuebingenlead
- Bristol-Myers Squibbcollaborator
- Medtroniccollaborator
- ZKS and IKEaB Tübingencollaborator
Study Sites (16)
MedicalPark Berlin Humboldtmühle GmbH & Co. KG
Berlin, Germany
Neurologische Klinik, Universität Bonn
Bonn, Germany
Regiomed Kliniken Coburg GmbH Abt. II
Coburg, Germany
Neurologie, Klinikum Friedrichshafen GmbH
Friedrichshafen, Germany
Universitätsmedizin Göttingen Abt.Innere Medizin, Klinik für Kardiologie und Pneumologie,
Göttingen, Germany
Krankenhaus Martha-Maria Halle-Döhlau
Halle, Germany
Klinik für Neurolgie,UKSH Campus Kiel
Kiel, Germany
Klinik für Neurologie, Klinikum Ludwigsburg
Ludwigsburg, Germany
Universitätsklinik für Neurologie, Magdeburg
Magdeburg, Germany
Carl von Basedow KlinikumSaalekreis gGmbH
Merseburg, Germany
Marienhospital Stuttgart, Klinik für Neurologie
Stuttgart, Germany
Neurologische Klinik des Bürgerhospitals
Stuttgart, Germany
University Hospital
Tübingen, D72076, Germany
Universitäts- und Rehabilitationskliniken Ulm,Klinik für Neurologie
Ulm, Germany
Schwarzwald Baar Klinikum GmbH
Villingen-Schwenningen, Germany
Rems-Murr-Klinikum WinnendenNeurologie
Winnenden, Germany
Related Publications (1)
Geisler T, Keller T, Martus P, Poli K, Serna-Higuita LM, Schreieck J, Gawaz M, Tunnerhoff J, Bombach P, Nagele T, Klose U, Aidery P, Groga-Bada P, Kraft A, Hoffmann F, Hobohm C, Naupold K, Niehaus L, Wolf M, Bazner H, Liman J, Wachter R, Kimmig H, Jung W, Huber R, Feurer R, Lindner A, Althaus K, Bode FJ, Petzold GC, Nguyen TN, Mac Grory B, Schrag M, Purrucker JC, Zuern CS, Ziemann U, Poli S; ATTICUS Investigators. Apixaban versus Aspirin for Embolic Stroke of Undetermined Source. NEJM Evid. 2024 Jan;3(1):EVIDoa2300235. doi: 10.1056/EVIDoa2300235. Epub 2023 Dec 22.
PMID: 38320511DERIVED
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Tobias Geisler, Prof
Tübingen University Hospital
- PRINCIPAL INVESTIGATOR
Sven Poli, Prof
Tübingen University Hospital
- PRINCIPAL INVESTIGATOR
Schreieck Jürgen, Prof
Tübingen University Hospital
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 20, 2015
First Posted
April 27, 2015
Study Start
December 1, 2015
Primary Completion
August 1, 2020
Study Completion
September 1, 2021
Last Updated
October 13, 2021
Record last verified: 2021-09