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ClinicalTrials.gov public records Last synced Sep 19, 2026, 7:08 AM EDT

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Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cardiovascular Disease
Interventions
Therapy Programming Report (TPR)
Behavioral
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
4,384 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
83
States / cities
Anniston, Alabama • Phoenix, Arizona • Tucson, Arizona + 80 more
Conditions
Heart Failure
Interventions
QuickFlex Micro Model 1258T Left Heart Lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
13
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Glendale, California + 9 more
Conditions
Cardiomyopathy
Interventions
Three-lead CRT-D (Defibrillator)
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
9
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Tampa, Florida + 6 more
Conditions
Atrial Fibrillation, Congestive Heart Failure
Interventions
Not listed
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Tachycardia, Congestive Heart Failure
Interventions
Cardiac resynchronization therapy with defibrillation, Implantable Cardioverter Defibrillator (ICD)
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
1,820 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Rochester, New York
Conditions
Heart Failure, Ventricular Arrythmias
Interventions
Testing of the autocapture features of the device
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
5
States / cities
Little Rock, Arkansas • Browns Mills, New Jersey • Nashville, Tennessee + 1 more
Completed No phase listed Observational Results available

Crome/Cobalt Respiration Study

NCT06089694
Conditions
Heart Failure
Interventions
Enabling Sensor Research Holter Mode feature
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
4
States / cities
Hartford, Connecticut • Saint Cloud, Minnesota • Oklahoma City, Oklahoma + 1 more
Conditions
Tachyarrhythmias, Atrial Fibrillation
Interventions
OptiSense Lead, Tendril Lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Akron, Ohio • Columbus, Ohio
Conditions
Congestive Heart Failure, Cardiac Resynchronization Therapy
Interventions
Kronos LV-T, Lumax HF-T
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
12
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Wilmington, Delaware + 9 more
Conditions
Heart Failure
Interventions
Observational
Other
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
51
States / cities
Chandler, Arizona • Little Rock, Arkansas • Chula Vista, California + 44 more
Conditions
Monomorphic Ventricular Tachycardia
Interventions
Cardiac catheter ablation with ICD/CRT-D
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 75 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
30
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 21 more
Terminated No phase listed Observational Results available

Optisure Lead Post Approval Study

NCT02235545
Conditions
Heart Failure, Tachycardia, Ventricular
Interventions
St. Jude Medical Optisure Lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,735 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
46
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 42 more
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
3
States / cities
Chicago, Illinois • Charleston, South Carolina • Richmond, Virginia
Conditions
Congestive Heart Failure
Interventions
Not listed
Lead sponsor
Saint Luke's Health System
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Elgin, Illinois • Oklahoma City, Oklahoma
Completed Not applicable Interventional Results available

Inappropriate Shock Reduction wIth PARAD+ Rhythm DiScrimination

NCT01410552
Conditions
Tachycardia
Interventions
PARADYM DR model 8550; PARADYM CRT model 8750; PARADYM RF DR model 9550; PARADYM RF CRT model 9750; PARADYM RF CRT SonR model 9770
Device
Lead sponsor
MicroPort CRM
Industry
Eligibility
18 Years and older
Enrollment
1,013 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
27
States / cities
Mesa, Arizona • Peoria, Arizona • Phoenix, Arizona + 23 more
Conditions
Sudden Cardiac Death
Interventions
Implantable Cardioverter Defibrillator (ICD), Cardiac Resynchronization Therapy (CRT-D)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Birmingham, Alabama • Santa Monica, California
Conditions
Cardiac Resynchronization Therapy
Interventions
ACUITY X4 quadripolar coronary venous lead and RELIANCE 4-FRONT defibrillation lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
96
States / cities
Birmingham, Alabama • Huntsville, Alabama • Anchorage, Alaska + 85 more
Conditions
Heart Failure
Interventions
MADIT-CRT ICD, MADIT-CRT CRT-D
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, New York
Conditions
Ventricular Arrhythmia
Interventions
Eleclazine, Placebo to match eleclazine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 80 Years
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
37
States / cities
Mesa, Arizona • Long Beach, California • Los Angeles, California + 32 more
Conditions
Heart Failure, Ventricular Dyssynchrony
Interventions
Implantable Cardioverter Defibrillator with Cardiac Resynchronization Therapy (BIOTRONIK Lumax HF-T CRT-D)
Device
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
62
States / cities
Concord, California • Los Angeles, California • Rancho Mirage, California + 46 more
Conditions
Heart Failure; With Decompensation
Interventions
Medtronic ICDs, CRT-Ds, and CRT-Ps
Device
Lead sponsor
Charles Porter, MD
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Shock
Interventions
ICD/ CRT-D
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Results available

Multiple Cardiac Sensors for the Management of Heart Failure

NCT03237858
Conditions
Heart Failure, Congestive
Interventions
HeartLogic ON, HeartLogic OFF
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
27
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Los Angeles, California + 23 more
Active, not recruiting Not applicable Interventional

ASCEND CSP IDE Study

NCT06830746
Conditions
Heart Failure, Ventricular Arrythmia
Interventions
LBBAP Implant with a CSP ICD Lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 99 Years
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
16
States / cities
Huntsville, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 13 more