Mode Selection Trial in Sinus Node Dysfunction (MOST)

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.

ClinicalTrials.gov Identifier: NCT00000561

Recruitment Status : Completed

First Posted : October 28, 1999

Last Update Posted : February 23, 2016

Sponsor:

Collaborator:

National Heart, Lung, and Blood Institute (NHLBI)

Information provided by:

Mt. Sinai Medical Center, Miami

Study Description

Brief Summary:

To determine if dual chamber rate-modulated pacing (DDDR) in patients with sick sinus syndrome is superior to single chamber pacing (VVIR) with respect to subsequent frequency of adverse clinical events such as stroke, quality of life and function, and cost effectiveness.

Condition or disease	Intervention/treatment	Phase
Arrhythmia Cardiovascular Diseases Heart Diseases Sick Sinus Syndrome Vascular Diseases Cerebrovascular Accident	Device: pacemaker, artificial	Phase 3

Show Detailed Description

Study Design


Study Type :	Interventional (Clinical Trial)
Allocation:	Randomized
Primary Purpose:	Treatment
Study Start Date :	June 1995
Study Completion Date :	May 2002

Resource links provided by the National Library of Medicine

Genetics Home Reference related topics: Sick sinus syndrome

U.S. FDA Resources

Arms and Interventions

Outcome Measures

Eligibility Criteria

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:	18 Years to 75 Years (Adult, Senior)
Sexes Eligible for Study:	All
Accepts Healthy Volunteers:	No

Criteria

Men and women with sick sinus syndrome.

Contacts and Locations

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 ClinicalTrials.gov identifier (NCT number): NCT00000561

Sponsors and Collaborators

Mt. Sinai Medical Center, Miami

National Heart, Lung, and Blood Institute (NHLBI)

Investigators


OverallOfficial:	Gervasio Lamas	Icahn School of Medicine at Mount Sinai
OverallOfficial:	Kerry Lee	Duke University

More Information

Publications:

Lamas GA, Lee K, Sweeney M, Leon A, Yee R, Ellenbogen K, Greer S, Wilber D, Silverman R, Marinchak R, Bernstein R, Mittleman RS, Lieberman EH, Sullivan C, Zorn L, Flaker G, Schron E, Orav EJ, Goldman L. The mode selection trial (MOST) in sinus node dysfunction: design, rationale, and baseline characteristics of the first 1000 patients. Am Heart J. 2000 Oct;140(4):541-51.

Lamas GA, Lee KL, Sweeney MO, Silverman R, Leon A, Yee R, Marinchak RA, Flaker G, Schron E, Orav EJ, Hellkamp AS, Greer S, McAnulty J, Ellenbogen K, Ehlert F, Freedman RA, Estes NA 3rd, Greenspon A, Goldman L; Mode Selection Trial in Sinus-Node Dysfunction. Ventricular pacing or dual-chamber pacing for sinus-node dysfunction. N Engl J Med. 2002 Jun 13;346(24):1854-62.

Glotzer TV, Hellkamp AS, Zimmerman J, Sweeney MO, Yee R, Marinchak R, Cook J, Paraschos A, Love J, Radoslovich G, Lee KL, Lamas GA; MOST Investigators. Atrial high rate episodes detected by pacemaker diagnostics predict death and stroke: report of the Atrial Diagnostics Ancillary Study of the MOde Selection Trial (MOST). Circulation. 2003 Apr 1;107(12):1614-9. Epub 2003 Mar 24.

Sweeney MO, Hellkamp AS, Ellenbogen KA, Greenspon AJ, Freedman RA, Lee KL, Lamas GA; MOde Selection Trial Investigators. Adverse effect of ventricular pacing on heart failure and atrial fibrillation among patients with normal baseline QRS duration in a clinical trial of pacemaker therapy for sinus node dysfunction. Circulation. 2003 Jun 17;107(23):2932-7. Epub 2003 Jun 2.

Flaker G, Greenspon A, Tardiff B, Schron E, Goldman L, Hellkamp A, Lee K, Lamas G; Mode Selection Trial (MOST) Investigators. Death in patients with permanent pacemakers for sick sinus syndrome. Am Heart J. 2003 Nov;146(5):887-93.

Greenspon AJ, Hart RG, Dawson D, Hellkamp AS, Silver M, Flaker GC, Schron E, Goldman L, Lee KL, Lamas GA; MOST Study Investigators. Predictors of stroke in patients paced for sick sinus syndrome. J Am Coll Cardiol. 2004 May 5;43(9):1617-22.

Link MS, Hellkamp AS, Estes NA 3rd, Orav EJ, Ellenbogen KA, Ibrahim B, Greenspon A, Rizo-Patron C, Goldman L, Lee KL, Lamas GA; MOST Study Investigators. High incidence of pacemaker syndrome in patients with sinus node dysfunction treated with ventricular-based pacing in the Mode Selection Trial (MOST). J Am Coll Cardiol. 2004 Jun 2;43(11):2066-71.

Sweeney MO, Hellkamp AS, Ellenbogen KA, Glotzer TV, Silverman R, Yee R, Lee KL, Lamas GA; MOST Investigators. Prospective randomized study of mode switching in a clinical trial of pacemaker therapy for sinus node dysfunction. J Cardiovasc Electrophysiol. 2004 Feb;15(2):153-60.

Rinfret S, Cohen DJ, Lamas GA, Fleischmann KE, Weinstein MC, Orav J, Schron E, Lee KL, Goldman L. Cost-effectiveness of dual-chamber pacing compared with ventricular pacing for sinus node dysfunction. Circulation. 2005 Jan 18;111(2):165-72. Epub 2005 Jan 3.

Shukla HH, Hellkamp AS, James EA, Flaker GC, Lee KL, Sweeney MO, Lamas GA; Mode Selection Trial (MOST) Investigators. Heart failure hospitalization is more common in pacemaker patients with sinus node dysfunction and a prolonged paced QRS duration. Heart Rhythm. 2005 Mar;2(3):245-51.

Sweeney MO, Hellkamp AS, Lee KL, Lamas GA; Mode Selection Trial (MOST) Investigators. Association of prolonged QRS duration with death in a clinical trial of pacemaker therapy for sinus node dysfunction. Circulation. 2005 May 17;111(19):2418-23. Epub 2005 May 2.


ClinicalTrials.gov Identifier:	NCT00000561 History of Changes
Other Study ID Numbers:	105 U01HL049804 ( U.S. NIH Grant/Contract )
First Posted:	October 28, 1999 Key Record Dates
Last Update Posted:	February 23, 2016
Last Verified:	May 2005

Additional relevant MeSH terms:


Sick Sinus Syndrome Cardiovascular Diseases Heart Diseases Vascular Diseases Stroke Cerebrovascular Disorders Brain Diseases	Central Nervous System Diseases Nervous System Diseases Arrhythmia, Sinus Arrhythmias, Cardiac Heart Block Pathologic Processes

To Top