Ignite Creation Date:
2025-12-24 @ 6:31 PM
Ignite Modification Date:
2026-02-23 @ 6:25 AM
Study NCT ID:
NCT03148457
Status:
COMPLETED
Last Update Posted:
2023-07-18
First Post:
2017-04-07
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
Early Versus Late Initiation of Direct Oral Anticoagulants in Post-ischaemic Stroke Patients With Atrial fibrillatioN (ELAN): an International, Multicentre, Randomised-controlled, Two-arm, Assessor-blinded Trial
Sponsor:
Organization:
Raw JSON
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Once- versus twice-daily direct oral anticoagulants after ischemic stroke in atrial fibrillation - A post-hoc analysis of the ELAN trial. Eur Stroke J. 2025 Aug 11:23969873251360974. doi: 10.1177/23969873251360974. Online ahead of print.'}, {'pmid': '40402090', 'type': 'DERIVED', 'citation': 'Wouters A, Demeestere J, Rossel JB, Devroye A, Desfontaines P, Vanacker P, Hemelsoet D, Yperzeele L, Rutgers MP, Peeters A, Vynckier J, Yoshimoto T, Tanaka K, Vehoff J, Matsuzono K, Kulyk C, Sibolt G, Slade P, Salerno A, Kunieda T, Hakim A, Rohner R, Abend S, Goeldlin M, Dawson J, Fischer U, Lemmens R; ELAN Investigators. Prior Reperfusion Strategy Does Not Modify Outcome in Early Versus Late Start of Anticoagulants in Patients With Ischemic Stroke: Prespecified Subanalysis of the Randomized Controlled ELAN Trial. Stroke. 2025 Aug;56(8):2000-2008. doi: 10.1161/STROKEAHA.125.050646. Epub 2025 May 22.'}, {'pmid': '40177749', 'type': 'DERIVED', 'citation': 'Kneihsl M, Hakim A, Goeldlin MB, Branca M, Fenzl S, Abend S, Gattringer T, Enzinger C, Dawson J, Gesierich B, Kopczak A, Hack RJ, Cerfontaine MN, Rutten JW, Lesnik Oberstein SAJ, Pasi M, Fischer U, Duering M, Meinel TR. Topographic Localization of Chronic Cerebellar Ischemic Lesions: Implications for Underlying Cause. Stroke. 2025 Jul;56(7):1823-1831. doi: 10.1161/STROKEAHA.124.049337. Epub 2025 Apr 3.'}, {'pmid': '39874037', 'type': 'DERIVED', 'citation': 'Polymeris AA, Branca M, Sylaja PN, Sandset EC, de Sousa DA, Thomalla G, Paciaroni M, Gattringer T, Strbian D, Trelle S, Michel P, Nedeltchev K, Bonati LH, Ntaios G, Koga M, Gdovinova Z, Lemmens R, Bornstein NM, Kelly P, Goeldlin MB, Abend S, Selim M, Katan M, Horvath T, Dawson J, Fischer U; ELAN Investigators. Net Benefit of Early Anticoagulation for Stroke With Atrial Fibrillation: Post Hoc Analysis of the ELAN Randomized Clinical Trial. JAMA Netw Open. 2025 Jan 2;8(1):e2456307. doi: 10.1001/jamanetworkopen.2024.56307.'}, {'pmid': '39700448', 'type': 'DERIVED', 'citation': 'Kneihsl M, Hakim A, Goeldlin MB, Meinel TR, Branca M, Rohner R, Fenzl S, Abend S, Shim GC, Gumbinger C, Zhang L, Kristoffersen ES, Desfontaines P, Vanacker P, Alonso A, Poli S, Nunes AP, Caracciolo NG, Gattringer T, Kahles T, Giudici D, Demeestere J, Dawson J, Fischer U; ELAN investigators. Early vs Late Anticoagulation After Ischemic Stroke in Patients With Atrial Fibrillation and Covert Brain Infarcts. Neurology. 2025 Jan 14;104(1):e210157. doi: 10.1212/WNL.0000000000210157. Epub 2024 Dec 19.'}, {'pmid': '38805207', 'type': 'DERIVED', 'citation': 'Goeldlin MB, Hakim A, Branca M, Abend S, Kneihsl M, Valenzuela Pinilla W, Fenzl S, Rezny-Kasprzak B, Rohner R, Strbian D, Paciaroni M, Thomalla G, Michel P, Nedeltchev K, Gattringer T, Sandset EC, Bonati L, Aguiar de Sousa D, Sylaja PN, Ntaios G, Koga M, Gdovinova Z, Lemmens R, Bornstein NM, Kelly P, Katan M, Horvath T, Dawson J, Fischer U; ELAN Investigators. Early vs Late Anticoagulation in Minor, Moderate, and Major Ischemic Stroke With Atrial Fibrillation: Post Hoc Analysis of the ELAN Randomized Clinical Trial. JAMA Neurol. 2024 Jul 1;81(7):693-702. doi: 10.1001/jamaneurol.2024.1450.'}, {'pmid': '38753452', 'type': 'DERIVED', 'citation': 'Rohner R, Kneihsl M, Goeldlin MB, Hakim A, Branca M, Abend S, Valenzuela Pinilla W, Fenzl S, Rezny-Kasprzak B, Strbian D, Trelle S, Paciaroni M, Thomalla G, Michel P, Nedeltchev K, Gattringer T, Sandset EC, Bonati L, Aguiar de Sousa D, Sylaja PN, Ntaios G, Koga M, Gdovinova Z, Lemmens R, Bornstein NM, Kelly P, Katan M, Horvath T, Dawson J, Fischer U; ELAN Investigators. Early Versus Late Initiation of Direct Oral Anticoagulants After Ischemic Stroke in People With Atrial Fibrillation and Hemorrhagic Transformation: Prespecified Subanalysis of the Randomized Controlled ELAN Trial. Circulation. 2024 Jul 2;150(1):19-29. doi: 10.1161/CIRCULATIONAHA.124.069324. Epub 2024 May 16.'}, {'pmid': '37222476', 'type': 'DERIVED', 'citation': 'Fischer U, Koga M, Strbian D, Branca M, Abend S, Trelle S, Paciaroni M, Thomalla G, Michel P, Nedeltchev K, Bonati LH, Ntaios G, Gattringer T, Sandset EC, Kelly P, Lemmens R, Sylaja PN, Aguiar de Sousa D, Bornstein NM, Gdovinova Z, Yoshimoto T, Tiainen M, Thomas H, Krishnan M, Shim GC, Gumbinger C, Vehoff J, Zhang L, Matsuzono K, Kristoffersen E, Desfontaines P, Vanacker P, Alonso A, Yakushiji Y, Kulyk C, Hemelsoet D, Poli S, Paiva Nunes A, Caracciolo N, Slade P, Demeestere J, Salerno A, Kneihsl M, Kahles T, Giudici D, Tanaka K, Raty S, Hidalgo R, Werring DJ, Goldlin M, Arnold M, Ferrari C, Beyeler S, Fung C, Weder BJ, Tatlisumak T, Fenzl S, Rezny-Kasprzak B, Hakim A, Salanti G, Bassetti C, Gralla J, Seiffge DJ, Horvath T, Dawson J; ELAN Investigators. Early versus Later Anticoagulation for Stroke with Atrial Fibrillation. N Engl J Med. 2023 Jun 29;388(26):2411-2421. doi: 10.1056/NEJMoa2303048. Epub 2023 May 24.'}]}, 'descriptionModule': {'briefSummary': 'When to start anticoagulation in patients with an acute ischaemic stroke and atrial fibrillation (AF) is a relevant unanswered question in clinical practice. Direct oral anticoagulants (DOACs) are highly effective for secondary stroke prevention in these patients, but DOACs were never initiated \\<7 days after stroke onset in recent trials. The ELAN trial will determine the net benefit of early versus late initiation of DOACs in patients with acute ischaemic stroke related to AF.\n\nThe main objective is to estimate the net benefit of early versus late initiation of DOACs in patients with acute ischaemic stroke related to AF.\n\nThe secondary objectives are to assess all vascular events and all-cause mortality after early initiation of DOACs in patients with acute ischaemic stroke related to AF compared to late initiation.', 'detailedDescription': 'Background Atrial fibrillation (AF) is the most common cardiac arrhythmia increasing the risk of stroke and systemic thromboembolism and thus mortality and morbidity. Anticoagulation therapy, such as with vitamin K antagonists effectively prevents strokes in patients with AF, however, increases bleeding complications leading to symptomatic intracerebral haemorrhage. Direct oral anticoagulants (DOACs) are at least as effective as vitamin K antagonists in preventing recurrent strokes, but with lower rates of symptomatic intracerebral haemorrhage. Therefore, these new agents are potentially ideal drugs to treat patients with ischaemic stroke related to AF. However, in previous trials comparing DOACs with vitamin K antagonists, therapy was initiated later than 7-14 days after onset of ischaemic stroke. Whether, earlier initiation of DOACs may prevent recurrent stroke without increasing the risk of symptomatic intracerebral haemorrhage remains to be determined.\n\nObjectives The main objective is to estimate the net benefit of early versus late initiation of DOACs in patients with acute ischaemic stroke related to AF.\n\nThe secondary objectives are to assess all vascular events and all-cause mortality after early initiation of DOACs in patients with acute ischaemic stroke related to AF compared to late initiation.\n\nMethods All patients of 18 years or older with an acute ischaemic stroke related to AF should be screened for this trial.\n\nPatients in the experimental arm (early treatment) and the control arm (late treatment) will receive direct oral anticoagulants for prevention of stroke and systemic embolism in patients with AF. Depending on the size of the infarction, early treatment will be started within 48 hours after symptom onset (minor and moderate ischaemic stroke) or at day 6 + 1 day after symptom onset (major ischaemic stroke). Patients in the control arm will receive late treatment as per current recommendations (i.e. minor ischaemic stroke after day 3 + 1 day, moderate ischaemic stroke after day 6 + 1 day and major ischaemic stroke after day 12 + 2 day).\n\nThe primary outcome is a composite of major bleeding, recurrent ischaemic stroke, systemic embolism and/or vascular death at 30 ± 3 days after randomisation.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'healthyVolunteers': False, 'eligibilityCriteria': "Inclusion Criteria:\n\n* Written informed consent according to country specific details\n* Age: ≥18 years\n* Acute ischemic stroke, either confirmed by MRI or CT scan (tissue based definition) or by sudden focal neurological deficit of presumed ischaemic origin that persisted beyond 24 hours and otherwise normal non-contrast CT scan. Please note: prior intravenous or endovascular treatment is allowed.\n* Permanent, persistent, or paroxysmal spontaneous AF previously known or diagnosed during the index hospitalization\n* Agreement of treating physician to prescribe DOACs\n\nExclusion Criteria:\n\n* Atrial fibrillation due to reversible causes (e.g. thyrotoxicosis, pericarditis, recent surgery, myocardial infarct)\n* Valvular disease requiring surgery\n* Mechanical heart valve(s)\n* Moderate or severe mitral stenosis. Please note that other valvular diseases and biological valves are eligible\n* AF and conditions other than AF that require anticoagulation, including therapeutical dose of low-molecular-weight heparin or heparin. Please note: infratherapeutic anticoagulation at ischaemic stroke onset defined as follows is not an exclusion criteria:\n\n * Vitamine K antagonist: International Normalized Ratio (INR) \\<1.7\n * Anti-IIa: thrombin time \\<80 seconds and/or anti-IIa \\<50 ng/ml\n * Anti-Xa: anti-Xa \\<50 ng/ml\n* Subject who is contraindicated to DOACs\n* Female who is pregnant or lactating or has a positive pregnancy test at time of admission\n* Patients with serious bleeding in the last 6 months or is at high risk of bleeding (e.g. active peptic ulcer disease, platelet count \\< 100'000/mm3 or haemoglobin \\< 10 g/dl or INR ≥ 1.7, documented haemorrhagic tendencies or blood dyscrasias)\n* Subject currently uses or has a recent history of illicit drug(s) or abuses alcohol (defined as regular or daily consumption of more than four alcoholic drinks per day)\n* Severe comorbid condition with life expectancy \\< 6 months\n* Severe or moderate renal insufficiency as defined by creatinine clearance \\< 50 ml/min\n* Subject who requires haemodialysis or peritoneal dialysis\n* Subject with aortic dissection\n* Current participation in another investigational trial\n* Dual antiplatelet therapy at baseline or strong likelihood to be treated with dual antiplatelet therapy during the course of the trial\n* CT or MRI evidence of haemorrhage classified as PH1 (defined as parenchymal haemorrhage = blood clots in \\<30% of the infarcted area without or with slight space-occupying effect) and PH2 (defined as blood clots in \\>30% of the infarcted area with a substantial space-occupying effect) independently of clinical deterioration. Please note that HI1 (defined as haemorrhagic infarct = small petechiae along the margins of the infarct) and HI2 (defined as confluent petechiae within the infarcted area but no space occupying effect) are acceptable if not associated with clinical deterioration and if the treating physician feels comfortable to treat patients with DOACs.\n* CT or MRI evidence of mass effect or intra-cranial tumour (except small meningioma)\n* CT or MRI evidence of cerebral vasculitis\n* Endocarditis\n* Evidence of severe cerebral amyloid angiopathy if MRI scan performed"}, 'identificationModule': {'nctId': 'NCT03148457', 'acronym': 'ELAN', 'briefTitle': 'Early Versus Late Initiation of Direct Oral Anticoagulants in Post-ischaemic Stroke Patients With Atrial fibrillatioN (ELAN): an International, Multicentre, Randomised-controlled, Two-arm, Assessor-blinded Trial', 'organization': {'class': 'OTHER', 'fullName': 'Insel Gruppe AG, University Hospital Bern'}, 'officialTitle': 'Early Versus Late Initiation of Direct Oral Anticoagulants in Post-ischaemic Stroke Patients With Atrial fibrillatioN (ELAN): an International, Multicentre, Randomised-controlled, Two-arm, Assessor-blinded Trial', 'orgStudyIdInfo': {'id': '2017-00588'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Early treatment', 'description': 'Early treatment of patients with ischaemic stroke related to atrial fibrillation (AF) with direct oral anticoagulations (DOACs).', 'interventionNames': ['Drug: Early treatment with Rivaroxaban (Xarelto®), Dabigatran (Pradaxa®), Apixaban (Eliquis®) or Edoxaban (Lixiana®)']}, {'type': 'OTHER', 'label': 'Late treatment', 'description': 'Treatment with direct oral anticoagulations (DOACs) according the current standard practice in patients with acute ischemic stroke related to atrial fibrillation (AF).', 'interventionNames': ['Drug: Late treatment with Rivaroxaban (Xarelto®), Dabigatran (Pradaxa®), Apixaban (Eliquis®) or Edoxaban (Lixiana®)']}], 'interventions': [{'name': 'Early treatment with Rivaroxaban (Xarelto®), Dabigatran (Pradaxa®), Apixaban (Eliquis®) or Edoxaban (Lixiana®)', 'type': 'DRUG', 'description': 'Early treatment will be started within 48 hours after symptom onset (minor and moderate ischaemic stroke) or at day 6 + 1 day after symptom onset (major ischaemic stroke)', 'armGroupLabels': ['Early treatment']}, {'name': 'Late treatment with Rivaroxaban (Xarelto®), Dabigatran (Pradaxa®), Apixaban (Eliquis®) or Edoxaban (Lixiana®)', 'type': 'DRUG', 'description': 'Patients in the control arm will receive late treatment as per current recommendations (i.e. minor ischaemic stroke after day 3 + 1 day, moderate ischaemic stroke after day 6 + 1 day and major ischaemic stroke after day 12 + 2 day).', 'armGroupLabels': ['Late treatment']}]}, 'contactsLocationsModule': {'locations': [{'city': 'Eisenstadt', 'country': 'Austria', 'facility': 'Krankenhaus der Barmherzigen Brüder Eisenstadt', 'geoPoint': {'lat': 47.84565, 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