Cardiac Sympathetic Denervation for Prevention of Ventricular Tachyarrhythmias
NCT ID: NCT01013714
Last Updated: 2024-01-19
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
PHASE3
40 participants
INTERVENTIONAL
2021-07-26
2024-08-31
Brief Summary
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Detailed Description
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The CSD procedure involves removal of part of the cervical stellate ganglia and thoracic ganglia of level 2 to 4. These ganglia house the left and right sided nerves that feed the heart and have been implicated in the occurrence of fast abnormal rhythms that cause defibrillator shocks and sudden death. Stimulation of these nerves has been shown to increase the incidence of sudden death and fast abnormal heart rhythms that lead to internal defibrillator shocks called ventricular tachycardia/ventricular fibrillation. Removal of the ganglia of these nerves in animal and human studies has been shown to decrease the incidence of life threatening abnormal rhythms and sudden death.The procedure takes less than 45 minutes on each side and can be performed endoscopically.
We are inviting patients to participate in this clinical trial who have undergone at least one catheter ablation procedure for ventricular tachycardia but have continued to experience recurrent arrhythmias (ICD shocks) or who have a type of ventricular tachycardia or fibrillation that can not be treated with catheter ablation procedures. Patients will be randomized in a 1:1 fashion to either routine care + cardiac sympathetic denervation (CSD) or routine care without cardiac sympathetic denervation. We are asking 40 individuals (approximate age range 18-80 years) who continue to experience ICD shocks to participate in this research study but only half these individual will be randomized to cardiac sympathetic denervation (CSD) surgery.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Routine Care + Cardiac Sympathetic Denervation (CSD)
Patients in this arm receive routine care and undergo cardiac sympathetic denervation. The procedure must be scheduled to occur within one month of randomization.
Follow-up Visits
* Follow up at 4 weeks after optimization of medical therapy and surgery
* All patients are followed at the ICD clinic at 7 months or as needed.
* Information regarding ICD therapy and arrhythmias will be obtained from ICD interrogations at the follow up visits.
* Monthly phone calls will be used to determine for interval events, including presence of side-effects.
VT Ablation is permitted in both arms for ICD shock after optimization.
Cardiac Sympathetic Denervation (CSD)
Cardiac sympathetic denervation is performed using an endoscopic procedure called VATS (video-assisted thoracoscopic sympathectomy). The surgeon removes the lower half of the stellate ganglia in addition to the thoracic ganglia of T2 - T4 on both the right and left side. The VATS procedure provides a minimally invasive endoscopic approach that is safe and effective. The procedure can be completed in less than 45 minutes on each side.
Routine Care
Anti-arrhythmic medications are continued for the duration of the study unless discontinued or adjusted to due to drug toxicity, intolerance, or ICD shock. All anti-arrhythmic medications (whether in the routine care or surgical arm) can be adjusted at the discretion of the treating physician.
Routine Care
Patients in this arm remain on prescribed drug regimen and will not undergo CSD.
Follow-up Visits
* Medical follow up at 4 weeks after optimization of medical therapy.
* All patients are followed at the ICD clinic at 7 months or as needed.
* Information regarding ICD therapy and arrhythmias will be obtained from ICD interrogations at the follow up visits.
* Monthly phone calls will be used to determine for interval events, including presence of side-effects.
VT Ablation is permitted in both arms for ICD shock after optimization.
Routine Care
Anti-arrhythmic medications are continued for the duration of the study unless discontinued or adjusted to due to drug toxicity, intolerance, or ICD shock. All anti-arrhythmic medications (whether in the routine care or surgical arm) can be adjusted at the discretion of the treating physician.
Interventions
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Cardiac Sympathetic Denervation (CSD)
Cardiac sympathetic denervation is performed using an endoscopic procedure called VATS (video-assisted thoracoscopic sympathectomy). The surgeon removes the lower half of the stellate ganglia in addition to the thoracic ganglia of T2 - T4 on both the right and left side. The VATS procedure provides a minimally invasive endoscopic approach that is safe and effective. The procedure can be completed in less than 45 minutes on each side.
Routine Care
Anti-arrhythmic medications are continued for the duration of the study unless discontinued or adjusted to due to drug toxicity, intolerance, or ICD shock. All anti-arrhythmic medications (whether in the routine care or surgical arm) can be adjusted at the discretion of the treating physician.
Eligibility Criteria
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Inclusion Criteria
2. Presence of structural heart disease as defined as EF ≤ 50% or presence of ventricular scar as detected by imaging modalities or electroanatomic mapping, hypertrophic cardiomyopathy, cardiac sarcoidosis, or arrhythmogenic right ventricular cardiomyopathy.
3. Patient is taking at least one anti-arrhythmic drug or has documented intolerance or toxicity to at least one anti-arrhythmic drug.
4. 18 years of age or older at time of enrollment
5. Able and willing to comply with all pre- and follow-up testing and requirements.
6. Provision of signed informed consent and stated willingness to comply with all study procedures for duration of the study.
Exclusion Criteria
2. Any medical or non-medical condition likely to prevent completion of trial.
3. Contraindication to cardiac sympathetic denervation (i.e. unlikely to tolerate general anesthesia, single-lung ventilation, severe pulmonary disease, or severe pulmonary hypertension) or previous cardiac sympathetic denervation procedure.
4. Left ventricular assist device or status post orthotopic heart transplantation
5. Severe thrombocytopenia (platelets \< 50,000) or Coagulopathy (INR \> 2.0) that is not due to medications or a reversible cause.
6. Women who are pregnant (as evidenced by pregnancy test if pre-menopausal).
7. Unable or unwilling to comply with protocol requirements.
8. NYHA class IV heart failure symptoms.
9. Known channelopathy such as long QT syndrome and catecholaminergic polymorphic VT.
10. Clinical VT rate \< 150 bpm
18 Years
ALL
No
Sponsors
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Oregon Health and Science University
OTHER
University of California, Los Angeles
OTHER
Responsible Party
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Marmar Vaseghi
Associate Professor of Medicine/Cardiology
Principal Investigators
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Marmar Vaseghi, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
University of California, Los Angeles
Locations
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UCLA Health
Los Angeles, California, United States
OHSU
Portland, Oregon, United States
Vanderbilt University
Nashville, Tennessee, United States
Countries
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Central Contacts
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Facility Contacts
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References
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Mahajan A, Moore J, Cesario DA, Shivkumar K. Use of thoracic epidural anesthesia for management of electrical storm: a case report. Heart Rhythm. 2005 Dec;2(12):1359-62. doi: 10.1016/j.hrthm.2005.09.004. No abstract available.
Stephenson EA, Berul CI. Electrophysiological interventions for inherited arrhythmia syndromes. Circulation. 2007 Aug 28;116(9):1062-80. doi: 10.1161/CIRCULATIONAHA.106.655779. No abstract available.
Nademanee K, Taylor R, Bailey WE, Rieders DE, Kosar EM. Treating electrical storm : sympathetic blockade versus advanced cardiac life support-guided therapy. Circulation. 2000 Aug 15;102(7):742-7. doi: 10.1161/01.cir.102.7.742.
Tygesen H, Wettervik C, Claes G, Drott C, Emanuelsson H, Solem J, Lomsky M, Radberg G, Wennerblom B. Long-term effect of endoscopic transthoracic sympathicotomy on heart rate variability and QT dispersion in severe angina pectoris. Int J Cardiol. 1999 Aug 31;70(3):283-92. doi: 10.1016/s0167-5273(99)00101-1.
Schwartz PJ, Priori SG, Cerrone M, Spazzolini C, Odero A, Napolitano C, Bloise R, De Ferrari GM, Klersy C, Moss AJ, Zareba W, Robinson JL, Hall WJ, Brink PA, Toivonen L, Epstein AE, Li C, Hu D. Left cardiac sympathetic denervation in the management of high-risk patients affected by the long-QT syndrome. Circulation. 2004 Apr 20;109(15):1826-33. doi: 10.1161/01.CIR.0000125523.14403.1E. Epub 2004 Mar 29.
Li J, Wang L, Wang J. Video-assisted thoracoscopic sympathectomy for congenital long QT syndromes. Pacing Clin Electrophysiol. 2003 Apr;26(4 Pt 1):870-3. doi: 10.1046/j.1460-9592.2003.t01-1-00152.x.
Ouriel K, Moss AJ. Long QT syndrome: an indication for cervicothoracic sympathectomy. Cardiovasc Surg. 1995 Oct;3(5):475-8. doi: 10.1016/0967-2109(95)94444-2.
Lobato EB, Kern KB, Paige GB, Brown M, Sulek CA. Differential effects of right versus left stellate ganglion block on left ventricular function in humans: an echocardiographic analysis. J Clin Anesth. 2000 Jun;12(4):315-8. doi: 10.1016/s0952-8180(00)00158-6.
Schlack W, Dinter W. Haemodynamic effects of a left stellate ganglion block in ASA I patients. An echocardiographic study. Eur J Anaesthesiol. 2000 Feb;17(2):79-84. doi: 10.1046/j.1365-2346.2000.00606.x.
Bourke T, Vaseghi M, Michowitz Y, Sankhla V, Shah M, Swapna N, Boyle NG, Mahajan A, Narasimhan C, Lokhandwala Y, Shivkumar K. Neuraxial modulation for refractory ventricular arrhythmias: value of thoracic epidural anesthesia and surgical left cardiac sympathetic denervation. Circulation. 2010 Jun 1;121(21):2255-62. doi: 10.1161/CIRCULATIONAHA.109.929703. Epub 2010 May 17.
Ajijola OA, Vaseghi M, Mahajan A, Shivkumar K. Bilateral cardiac sympathetic denervation: why, who and when? Expert Rev Cardiovasc Ther. 2012 Aug;10(8):947-9. doi: 10.1586/erc.12.93. No abstract available.
Johnson JP, Ahn SS, Choi WC, Masciopinto JE, Kim KD, Filler AG, Desalles AA. Thoracoscopic sympathectomy: techniques and outcomes. Neurosurg Focus. 1998 Feb 15;4(2):e4. doi: 10.3171/foc.1998.4.2.7.
Vaseghi M, Gima J, Kanaan C, Ajijola OA, Marmureanu A, Mahajan A, Shivkumar K. Cardiac sympathetic denervation in patients with refractory ventricular arrhythmias or electrical storm: intermediate and long-term follow-up. Heart Rhythm. 2014 Mar;11(3):360-6. doi: 10.1016/j.hrthm.2013.11.028. Epub 2013 Nov 28.
Vaseghi M, Barwad P, Malavassi Corrales FJ, Tandri H, Mathuria N, Shah R, Sorg JM, Gima J, Mandal K, Saenz Morales LC, Lokhandwala Y, Shivkumar K. Cardiac Sympathetic Denervation for Refractory Ventricular Arrhythmias. J Am Coll Cardiol. 2017 Jun 27;69(25):3070-3080. doi: 10.1016/j.jacc.2017.04.035.
Other Identifiers
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UCLA09-07-100-01
Identifier Type: -
Identifier Source: org_study_id
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