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To Determine the Feasibility of a Clinical Trial Comparing Anticoagulants Versus Antiplatelets in the Acute Treatment of Patients With Cervical Artery Dissection (CADISS)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00238667
Recruitment Status : Completed
First Posted : October 13, 2005
Last Update Posted : May 20, 2015
The Stroke Association, United Kingdom
Information provided by (Responsible Party):
St George's, University of London

Brief Summary:
This is a feasibility study to determine if a sufficient number of patients can be recruited throughout the United Kingdom and whether sufficient endpoints can be generated for a full scale therapeutic trial of anticoagulants versus antiplatelets in acute cervical artery dissection treatment.

Condition or disease Intervention/treatment Phase
Cervical Artery Dissection Carotid Artery Dissection Vertebral Artery Dissection Stroke Drug: Antiplatelet (Aspirin, Dipyridamole, clopidogrel) Drug: Anticoagulant (Unfractionated Heparin, LMW Heparin, Warfarin) Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 250 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Cervical Artery Dissection in Stroke Study
Study Start Date : November 2005
Actual Study Completion Date : May 2014

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Blood Thinners

Arm Intervention/treatment
Active Comparator: Anti-platelet therapy
Aspirin, Dipyridamole, clopidogrel alone or in dual therapy
Drug: Antiplatelet (Aspirin, Dipyridamole, clopidogrel)
Other Name: Aspirin, Dipyridamole, clopidogrel

Active Comparator: Anti-coagulant
Warfarin, unfractionated heparin, enoxaparin, dalteparin, tinzaparin aiming for an INR in range of 2-3. Local protocols for Heparin can be used
Drug: Anticoagulant (Unfractionated Heparin, LMW Heparin, Warfarin)
Other Name: Unfractionated Heparin, LMW Heparin, Warfarin

Information from the National Library of Medicine

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Ages Eligible for Study:   Child, Adult, Older Adult
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Extracranial carotid or vertebral artery dissection with symptom onset within the last 7 days. This includes:

    1. Ipsilateral transient ischemic attack or stroke
    2. Ipsilateral Horner's syndrome or neck pain with known date of onset.
  2. Imaging evidence of definite or probable dissection on MRI/MRA, CTA or ultrasound.

Exclusion Criteria:

  1. Intracranial cerebral artery dissection
  2. Symptom onset after 7 days
  3. Contraindication to either antiplatelet agents or anticoagulation therapy
  4. Patient's refusal to consent
  5. Patients who are undergoing angiography and stenting or surgery for treatment of their dissection.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00238667

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United Kingdom
St. George's University of London, Clinical Neuroscience Department, Cranmer Terrace
London, England, United Kingdom, SW17 0RE
Sponsors and Collaborators
St George's, University of London
The Stroke Association, United Kingdom
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Principal Investigator: Professor John W Norris, MD, FRCP St George's, University of London
Principal Investigator: Professor Hugh Markus, DM, FRCP St George's, University of London
Additional Information:
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Responsible Party: St George's, University of London Identifier: NCT00238667    
Other Study ID Numbers: CAMER5UA
2006-002827-18 ( EudraCT Number )
04.0287 ( Other Identifier: Sponsor St Georges University of London )
04/Q0803/15 ( Other Identifier: REC/IRB reference )
04/Q0803/215 ( Other Identifier: REC/IRB reference )
First Posted: October 13, 2005    Key Record Dates
Last Update Posted: May 20, 2015
Last Verified: September 2005
Keywords provided by St George's, University of London:
Extracranial carotid artery dissection
Dissection and stroke
Additional relevant MeSH terms:
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Vertebral Artery Dissection
Aneurysm, Dissecting
Cerebrovascular Disorders
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Vascular Diseases
Cardiovascular Diseases
Cerebrovascular Trauma
Trauma, Nervous System
Wounds and Injuries
Calcium heparin
Anti-Inflammatory Agents, Non-Steroidal
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anti-Inflammatory Agents
Antirheumatic Agents
Fibrinolytic Agents
Fibrin Modulating Agents