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ClinicalTrials.gov public records Last synced Jul 21, 2026, 12:16 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Prolonged Apnea, Prolonged Bradycardia
Interventions
Infanrix, Pediatrix
Biological
Lead sponsor
American SIDS Institute
Other
Eligibility
56 Days to 60 Days
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
10
States / cities
Austell, Georgia • Marietta, Georgia • Belle Mead, New Jersey + 6 more
Completed Not applicable Interventional Results available

Micra Transcatheter Pacing System Continued Access Study Protocol

NCT02488681
Conditions
Bradycardia
Interventions
Micra Pacemaker Implant
Device
Lead sponsor
Medtronic
Industry
Eligibility
18 Years and older
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
29
States / cities
Los Angeles, California • New Haven, Connecticut • Jacksonville, Florida + 25 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Optimizing Dose of Bupivacaine in Combined Spinal Epidurals To Reduce Side Effects

NCT02159807
Conditions
Pregnancy
Interventions
Bupivacaine, Fentanyl
Drug
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Bradycardia, Heart Failure, Ventricular Dysfunction
Interventions
Ultra High Frequency Electrocardiogram (UHF-ECG)
Device
Lead sponsor
VDI Technologies
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Avondale, Arizona • Mesa, Arizona • Chicago, Illinois + 4 more
Conditions
Atrial Fibrillation, Tachycardia, Bradycardia, Premature Supraventricular Beat, Premature Ventricular Contraction
Interventions
Cardiologs Platform
Device
Lead sponsor
Cardiologs Technologies
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Hackensack, New Jersey • Ridgewood, New Jersey • New York, New York
Active, not recruiting No phase listed Observational

Micra Transcatheter Pacing System Post-Approval Registry

NCT02536118
Conditions
Bradycardia
Interventions
Micra Transcatheter Pacing System
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
3,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
52
States / cities
Birmingham, Alabama • Los Angeles, California • Redwood City, California + 49 more
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 15 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Bradycardia, Heart Failure
Interventions
CRT-D Implantation, CRT-P Implantation, Dual Chamber Pacemaker Implantation
Procedure
Lead sponsor
Yong-Mei Cha
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Terminated Not applicable Interventional Results available

Left Bundle Area Versus Selective His Bundle Pacing

NCT04093414
Conditions
Bradycardia, Sinus Node Dysfunction, Atrioventricular Block
Interventions
Select Secure pacing lead
Device
Lead sponsor
David Haines, MD
Other
Eligibility
19 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Royal Oak, Michigan • Troy, Michigan
Completed No phase listed Observational Results available

INGEVITY+ Active Fixation Pace/Sense Lead Clinical Study

NCT04346537
Conditions
Bradycardia
Interventions
INGEVITY+™ Pace/Sense Lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
13
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Torrance, California + 10 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Prophylactic Ephedrine and Combined Spinal Epidurals for Labor

NCT02062801
Conditions
Labor Pain
Interventions
Ephedrine, Placebo
Drug
Lead sponsor
Sharp HealthCare
Other
Eligibility
Female only
Enrollment
710 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Diego, California
Completed No phase listed Observational Results available

Pacemaker Therapy in Adults With Congenital Heart Defects

NCT00303511
Conditions
Congenital Disorder
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Terminated Phase 2Phase 3 Interventional Results available

Specialized Pacing for Patients With Congenital Heart Disease

NCT03361189
Conditions
Congenital Heart Disease, Bradycardia Sinus
Interventions
Closed loop stimulation, Standard rate response
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Vasovagal Syncope, AV Block-2Nd Degree-Type 1, Sinus Pause
Interventions
Ablation procedure
Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
300 participants
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Bradycardia
Interventions
Micra AV Transcatheter Pacing System
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
46
States / cities
Birmingham, Alabama • Rancho Mirage, California • Redwood City, California + 37 more
Conditions
Atrial Fibrillation, Atrial Flutter, Heart Block, Pulmonary Embolism and Thrombosis, Mitral Valve Repair, Sinus Node Dysfunction, Bradycardia, Brady-tachy Syndrome
Interventions
Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES, Figure 8 Suture - LARGE-BORE PROCEDURES
Device · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Bradycardia, Chronotropic Incompetence
Interventions
Not listed
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
5
States / cities
Cedar Rapids, Iowa • Lincoln, Nebraska • Pittsburgh, Pennsylvania + 2 more
Conditions
Apnea, Bradycardia, Premature Birth, Seizures
Interventions
microEEG
Device
Lead sponsor
Bio-Signal Group Corp.
Industry
Eligibility
Up to 30 Days
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Brooklyn, New York
Conditions
Arrhythmias, Cardiac, Bradycardia, Tachycardia
Interventions
cardiac implantable electronic devices (CIEDs)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Timeline
2022 – 2026
U.S. locations
8
States / cities
Gainesville, Florida • Macon, Georgia • Portland, Oregon + 5 more
Conditions
Atrial Fibrillation, Bradycardia
Interventions
Pacing Algorithms
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
Not listed
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
34
States / cities
Yuma, Arizona • Fayetteville, Arkansas • Fort Smith, Arkansas + 31 more
Conditions
Labor Pain, Obstetric Pain
Interventions
Spinal fentanyl, Spinal bupivacaine, Spinal Fentanyl and Bupivacaine, Epidural fentanyl /spinal bupivacaine
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older · Female only
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Completed Not applicable Interventional Results available

REASSURE AV Registry

NCT01074034
Conditions
Sudden Cardiac Death, Bradycardia
Interventions
AV Therapy Assessment-B301 investigational device
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
36
States / cities
Anchorage, Alaska • Larkspur, California • Orlando, Florida + 32 more
Completed Not applicable Interventional Results available

PREFER (Pacemaker Remote Follow-Up Evaluation and Review)

NCT00294645
Conditions
Bradycardia, Arrhythmia
Interventions
Transtelephonic monitoring (TTM), Medtronic CareLink® Network
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
980 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
45
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • Washington D.C., District of Columbia + 42 more
Conditions
Sick Sinus Syndrome, Heart Failure, Congestive, Atrial Fibrillation, Bradycardia, Ventricular Dysfunction
Interventions
Implantable Pulse Generators
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,070 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
63
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Conway, Arkansas + 60 more