Catheter Ablation of Atrial Fibrillation Using Hansen Medical Robotic Navigation (Hansen)

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: NCT01037296
Recruitment Status : Terminated (Based on interim analysis study felt unlikely to reach the primary aim)
First Posted : December 23, 2009
Last Update Posted : July 10, 2014
Information provided by (Responsible Party):
Barts & The London NHS Trust

Brief Summary:

Atrial fibrillation (AF) affects as many as 1 in 100 people and reduces the quality of life of large numbers of people in the UK and around the world. Catheter ablation is a minimally invasive treatment that has been developed to help eliminate AF. It is a complex procedure to perform so only a few hospitals are able to offer this treatment in the UK. A new technology allows the operator to guide their catheters (thin wires) in the patient by using a robotically steered sheath. This allows accurate and precise navigation that may improve the accuracy and integrity of ablation. We aim to prove whether this technology can make AF ablation easier and more effective.

Substudy: Platelet reactivity and activation in AF, and the impact of curative ablation. Blood and urine samples will be taken pre- and 3 months post ablation to see if platelet reactivity and activation are affected by AF compared to established normal ranges, and whether curative ablation impacts on this.

Condition or disease Intervention/treatment Phase
Atrial Fibrillation Procedure: catheter ablation Phase 4

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 166 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Catheter Ablation of Atrial Fibrillation Using Hansen Medical Robotic Navigation - A Randomised Controlled Trial
Study Start Date : April 2008
Actual Primary Completion Date : September 2013
Actual Study Completion Date : September 2013

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
manual ablation Procedure: catheter ablation
Ablation will be performed as normal treatment

Experimental: robotic ablation Procedure: catheter ablation
ablation procedure performed with Hansen robotic navigation system

Primary Outcome Measures :
  1. Single procedure success rate at 12 months [ Time Frame: 12 months ]

Secondary Outcome Measures :
  1. Complication rates, catheter stability, procedure/fluoroscopy time (and dose), subjectively assessed operator fatigue [ Time Frame: 0-12 months ]
  2. Platelet substudy: Platelet activation post ablation compared to baseline. [ Time Frame: 3 months ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • All patients with symptomatic AF planned for catheter ablation.

Exclusion Criteria:

  • Age < 18 years
  • Previous ablation procedure
  • Expected life expectancy < 6 months
  • Inability or unwillingness to sign consent
  • Pregnancy
  • Contraindications for the ablation procedure o Thrombus in the left atrium that fails to resolve with optimal oral anticoagulation therapy

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): NCT01037296

United Kingdom
Barts and the London NHS Trust
London, United Kingdom, EC1A 7BE
Sponsors and Collaborators
Barts & The London NHS Trust

Publications of Results:
Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Barts & The London NHS Trust Identifier: NCT01037296     History of Changes
Other Study ID Numbers: 005815
First Posted: December 23, 2009    Key Record Dates
Last Update Posted: July 10, 2014
Last Verified: March 2014

Keywords provided by Barts & The London NHS Trust:
catheter ablation
robotic navigation

Additional relevant MeSH terms:
Atrial Fibrillation
Arrhythmias, Cardiac
Heart Diseases
Cardiovascular Diseases
Pathologic Processes