- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02913326
A Clinical Trial Comparing Efficacy and Safety of Dabigatran Etexilate With Warfarin in Patients With Cerebral Venous and Dural Sinus Thrombosis (RE-SPECT CVT)
RE-SPECT CVT: a Randomised, Open-label, Exploratory Trial With Blinded Endpoint Adjudication (PROBE), Comparing Efficacy and Safety of Oral Dabigatran Etexilate Versus Oral Warfarin in Patients With Cerebral Venous and Dural Sinus Thrombosis Over a 24-week Period
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Bordeaux, France, 33076
- HOP Pellegrin
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Paris, France, 75475
- HOP Lariboisière
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Berlin, Germany, 12351
- Vivantes Netzwerk für Gesundheit GmbH
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Essen, Germany, 45147
- Universitätsklinikum Essen AöR
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Hamburg, Germany, 22043
- Asklepios Klinik Wandsbek
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Heidelberg, Germany, 69120
- Universitätsklinikum Heidelberg
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Tübingen, Germany, 72076
- Universitätsklinikum Tübingen
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Bangalore, India, 560099
- Mazumdar Shaw Medical centre
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Hyderabad, India, 500082
- Nizam's Institute of Medical Sciences
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Kottayam, India, 686630
- Caritas Hospital
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Nashik, India, 422005
- Magnum Heart Institute
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New Delhi, India, 110029
- All India Institute of Medical Sciences
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Pune, India, 411004
- Sahyadri Speciality Hospital
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Cremona, Italy, 26100
- ASST di Cremona
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Milano, Italy, 20132
- Fondazione Centro San Raffaele del Monte Tabor
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Modena, Italy, 41126
- Nuovo Ospedale Civile S. Agostino-Estense
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Roma, Italy, 00152
- A.O. San Camillo Forlanini
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Roma, Italy, 00161
- Umberto I Pol. di Roma-Università di Roma La Sapienza
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Varese, Italy, 21100
- A. O. Ospedale Circolo Fond. Macchi
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Amsterdam, Netherlands, 1105 AZ
- Academisch Medisch Centrum (AMC)
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Utrecht, Netherlands, 3584 CX
- Universitair Medisch Centrum Utrecht
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Gdansk, Poland, 80211
- University Clinical Center, Gdansk
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Gdansk, Poland, 80803
- Copernicus Med.Company.Ltd,Hosp.Nicolaus, Gdansk
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Lublin, Poland, 20-954
- Independent Public Clin.Hospital No.4,Neurol.Dept,Lublin
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Warsaw, Poland, 02-957
- Psychiatry&Neurol.Instit.Interv.Stroke&Cerebrov.Treatm.Cntr
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Amadora, Portugal, 2720-276
- Hospital Fernando Fonseca, EPE
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Lisboa, Portugal, 1649-035
- CHULN, EPE - Hospital de Santa Maria
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Lisboa, Portugal, 1349-019
- CHLO, EPE - Hospital Egas Moniz
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Porto, Portugal, 4202-451
- Centro Hospitalar São João,EPE
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Santa Maria da Feira, Portugal, 4520-211
- Centro Hospitalar de Entre o Douro e Vouga, E.P.E. - Hospital de São Sebastião
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Barnaul, Russian Federation, 656045
- Reg.State Budget Hlthcare,City Hosp#5,Neurology Dept,Barnaul
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Kazan, Russian Federation, 420101
- Interreg. Clinical & Diagnostic Center, Neurol. Dept., Kazan
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Saint Petersburg, Russian Federation, 195257
- St.Petersb,State Hlthcare Instit. Elisabeth Hosp,Neurol.dept
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Yekaterinburg, Russian Federation, 620102
- Sverdlovsk Reg.Clin.Hosp.No.1
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Madrid, Spain, 28034
- Hospital Ramon y Cajal
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Madrid, Spain, 28046
- Hospital La Paz
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria:
- Written informed consent in accordance with International Conference on Harmonization (ICH) Good Clinical Practice (GCP) guidelines and local legislation and/or regulations
- Confirmed diagnosis of Cerebral Venous or dural sinus thrombosis (CVT), with or without intracranial haemorrhage
- Completion of anticoagulation therapy for 5-15 days which has been administered until randomisation; anticoagulation must include full-dose low molecular weight heparin or unfractionated heparin
- Eligibility for treatment with an oral anticoagulant
- Further inclusion criteria apply
Exclusion criteria:
- Cerebral Venous or dural sinus thrombosis (CVT) associated with central nervous system infection or due to head trauma
- Planned surgical treatment for CVT
- Conditions associated with increased risk of bleeding
- History of symptomatic non-traumatic intracranial haemorrhage with risk of recurrence according to Investigator judgment
- Treatment with an antithrombotic regimen for an indication other than CVT and requiring continuation of that treatment for the original diagnosis without change in the regimen
- Severe renal impairment
- Active liver disease
- Pregnancy, nursing or planning to become pregnant while in the trial
- Further exclusion criteria apply
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Dabigatran etexilate
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Active Comparator: Warfarin
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percentage of Participants With Composite of Venous Thrombotic Event (VTE) or Major Bleeding Event (MBE) According to International Society on Thrombosis and Haemostasis (ISTH) Criteria in Full Observation Period.
Time Frame: From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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Composite of the percentage of participants with MBE according to ISTH criteria and VTE (recurring cerebral venous thrombosis (CVT); deep venous thrombosis (DVT) of any limb, pulmonary embolism (PE), splanchnic vein thrombosis) in full observation period. All components were adjudicated in a blinded manner. Major bleeds were defined according to the ISTH definition of a major bleed, as follows:
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From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Percentage of Participants With Recurring Cerebral Venous and Dural Sinus Thrombosis; DVT of Any Limb, PE or Splanchnic Vein Thrombosis in Full Observation Period
Time Frame: From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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VTE criterions:
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From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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Cerebral Venous Recanalisation as Measured by the Change in Number of Occluded Cerebral Veins and Sinuses at Week 24
Time Frame: Baseline and week 24
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Cerebral venous recanalisation was assessed by imaging and was adjudicated. Occlusion of cerebral veins and sinuses was scored as: 1 = full occlusion; 0 = no occlusion/partial occlusion. This score was applied using the below conventions: Superior sagittal, straight, cavernous sinuses, left and right jugular veins each scored individually as either 0 or 1; Right lateral transverse and sigmoid sinus were scored together, Left lateral transverse and sigmoid sinus were scored together, Superior petrous sinus and inferior petrous sinus were scored together; Deep venous system, Superficial cortical veins, Cerebellar veins were scored as systems. For each patient a total score was calculated at baseline and at EOT and the recanalisation score was calculated as EOT - baseline total scores with conventions as 0 = no cerebral veins or sinuses fully occluded and 11 = all cerebral veins and sinuses fully occluded; the lower the score, the better. |
Baseline and week 24
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Percentage of Participants With Major Bleeding According to ISTH Criteria in Full Observation Period
Time Frame: From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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Major bleeds were defined according to the ISTH definition of a major bleed, as follows:
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From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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Composite Endpoint of Percentage of Participants With New Intracranial Haemorrhage or Worsening of the Haemorrhagic Component of a Previous Lesion After up to 24 Weeks
Time Frame: From first administration of trial medication until end of treatment visit, up to 24 weeks.
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Intracranial haemorrhage (ICH) comprised the subtypes of intracerebral bleeds, subdural bleeds, epidural bleeds and subarachnoid bleeds that were recorded.
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From first administration of trial medication until end of treatment visit, up to 24 weeks.
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Percentage of Participants With Clinically Relevant Non-major Bleeding Events in Full Observation Period.
Time Frame: From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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A clinically relevant non-major bleeding event (CRNMBE) was a clinically overt bleed that did not meet the criteria for a major bleed but prompted a clinical response, in that it led to at least 1 of the following: A hospital admission (i.e.
overnight stay in the hospital) for bleeding / A physician guided medical or surgical treatment for bleeding / A physician guided change, interruption or discontinuation of trial medication.
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From first administration of trial medication until 6 days after last administration of trial medication, up to 25 weeks.
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Percentage of Participants With Major Bleeding According to ISTH Criteria or CRNMBEs After up to 24 Weeks
Time Frame: From first administration of trial medication until end of treatment visit, up to 24 weeks.
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Percentage of participants with major bleeding according to ISTH criteria or CRNMBEs after up to 24 weeks.
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From first administration of trial medication until end of treatment visit, up to 24 weeks.
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Percentage of Participants With Any Bleeding Event After up to 24 Weeks
Time Frame: From first administration of trial medication until end of treatment visit, up to 24 weeks.
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Percentage of participants with any bleeding event after up to 24 weeks where any bleeding event is the sum of all major and non-major bleeding events.
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From first administration of trial medication until end of treatment visit, up to 24 weeks.
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Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Ferro JM, Bendszus M, Jansen O, Coutinho JM, Dentali F, Kobayashi A, Aguiar de Sousa D, Neto LL, Miede C, Caria J, Huisman H, Diener HC; RE-SPECT CVT Study Group. Recanalization after cerebral venous thrombosis. A randomized controlled trial of the safety and efficacy of dabigatran etexilate versus dose-adjusted warfarin in patients with cerebral venous and dural sinus thrombosis. Int J Stroke. 2022 Feb;17(2):189-197. doi: 10.1177/17474930211006303. Epub 2021 Apr 4.
- Ferro JM, Coutinho JM, Jansen O, Bendszus M, Dentali F, Kobayashi A, van der Veen B, Miede C, Caria J, Huisman H, Diener HC; RE-SPECT CVT Study Group. Dural Arteriovenous Fistulae After Cerebral Venous Thrombosis. Stroke. 2020 Nov;51(11):3344-3347. doi: 10.1161/STROKEAHA.120.031235. Epub 2020 Sep 25.
- Ferro JM, Coutinho JM, Dentali F, Kobayashi A, Alasheev A, Canhão P, Karpov D, Nagel S, Posthuma L, Roriz JM, Caria J, Frässdorf M, Huisman H, Reilly P, Diener HC; RE-SPECT CVT Study Group. Safety and Efficacy of Dabigatran Etexilate vs Dose-Adjusted Warfarin in Patients With Cerebral Venous Thrombosis: A Randomized Clinical Trial. JAMA Neurol. 2019 Dec 1;76(12):1457-1465. doi: 10.1001/jamaneurol.2019.2764.
- Ferro JM, Dentali F, Coutinho JM, Kobayashi A, Caria J, Desch M, Fraessdorf M, Huisman H, Diener HC. Rationale, design, and protocol of a randomized controlled trial of the safety and efficacy of dabigatran etexilate versus dose-adjusted warfarin in patients with cerebral venous thrombosis. Int J Stroke. 2018 Oct;13(7):766-770. doi: 10.1177/1747493018778125. Epub 2018 May 18.
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Cerebrovascular Disorders
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Embolism and Thrombosis
- Intracranial Thrombosis
- Intracranial Embolism and Thrombosis
- Thrombosis
- Thromboembolism
- Sinus Thrombosis, Intracranial
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Protease Inhibitors
- Antithrombins
- Serine Proteinase Inhibitors
- Anticoagulants
- Dabigatran
- Warfarin
Other Study ID Numbers
- 1160.248
- 2015-004412-38 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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