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ClinicalTrials.gov public records Last synced Sep 11, 2026, 2:02 PM EDT

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Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: CRT Algorithm Clear all
Completed Not applicable Interventional Results available

Detect Fluid Early From Intra-thoracic Impedance Monitoring

NCT00916929
View directory record Official record
Conditions
Heart Failure
Interventions
Impedance Monitoring Feature
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
34
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Sep 11, 2026, 2:02 PM EDT
Active, not recruiting No phase listed Observational

P-wave Duration and Local Potential as Predictors of AF Recurrence Following Pulmonary Vein Isolation

NCT07471308
View directory record Official record
Conditions
Atrial Fibrillation (AF), Atrial Fibrillation Patients Treated With the FARAPULSE™ PFA System, Atrial Fibrillation (Paroxysmal), Pulmonary Vein Isolation
Interventions
AF Recurrence RIsk Assessment post pulmonary vein isolation
Device
Lead sponsor
CathVision ApS
Industry
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional Results available

Inappropriate Shock Reduction wIth PARAD+ Rhythm DiScrimination

NCT01410552
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional Results available

Adaptive Cardiac Resynchronization Therapy Study

NCT00980057
View directory record Official record
Conditions
Heart Failure
Interventions
Adaptive CRT (aCRT), Echo
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
522 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
55
States / cities
Huntsville, Alabama • Anchorage, Alaska • Phoenix, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Strategic Management to Optimize Response To Cardiac Resynchronization Therapy

NCT03089281
View directory record Official record
Conditions
Heart Failure
Interventions
CRT-D
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
699 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
41
States / cities
Birmingham, Alabama • Huntsville, Alabama • Tucson, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Sep 11, 2026, 2:02 PM EDT
Not listed Not applicable Interventional

Continued Access Clinical Trial of the SonRtip Lead and Automatic AV-VV Optimization Algorithm in the PARADYM RF SonR CRT-D

NCT02374801
View directory record Official record
Conditions
Heart Failure (NYHA Class III and Ambulatory IV)
Interventions
SonR automatic optimization feature turned ON ("AV+VV").
Device
Lead sponsor
MicroPort CRM
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 10, 2019 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional Results available

Evaluation of Automatic Threshold Algorithms

NCT02097290
View directory record Official record
Conditions
Heart Failure
Interventions
CRT-D
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
36
States / cities
Glendale, California • Danbury, Connecticut • Washington D.C., District of Columbia + 31 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2018 · Synced Sep 11, 2026, 2:02 PM EDT
Not listed Phase 3 Interventional

Clinical Trial of the SonRtip Lead and Automatic AV-VV Optimization Algorithm in the PARADYM RF SonR CRT-D

NCT01534234
View directory record Official record
Conditions
Heart Failure NYHA Class III and Ambulatory IV
Interventions
PARADYM RF SONR
Device
Lead sponsor
MicroPort CRM
Industry
Eligibility
18 Years and older
Enrollment
1,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Culver City, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2019 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional Results available

AdaptResponse Clinical Trial

NCT02205359
View directory record Official record
Conditions
Heart Failure With Left Bundle Branch Block
Interventions
aCRT ON, aCRT OFF
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,797 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
90
States / cities
Mesa, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 76 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional Results available

Adaptive CRT Effect on Electrical Dyssynchrony

NCT02543281
View directory record Official record
Conditions
Cardiomyopathy, Heart Failure, Left Bundle Branch Block
Interventions
Adaptive cardiac resynchronization therapy, Conventional Cardiac Resynchronization Therapy
Device
Lead sponsor
Larisa Tereshchenko
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Sep 11, 2026, 2:02 PM EDT
Terminated Not applicable Interventional

Implementation of a Protocol Utilizing Adaptive CRT in a Normal AV Conduction, CRT Non-Response Population at Generator Replacement

NCT03305393
View directory record Official record
Conditions
Heart Failure
Interventions
Adaptiv CRT
Device
Lead sponsor
Stern Cardiovascular Foundation, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Germantown, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional

A Nutritional Management Algorithm in Older Patients With Locally Advanced Esophageal Cancer

NCT02027948
View directory record Official record
Conditions
Localized Stage I-III Esophageal Cancer, Gastroesophageal Junction Cancer
Interventions
nutritional and functional assessments
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
65 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional Results available

Cardiac Resynchronization Therapy Efficacy Enhancements

NCT02222818
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Conducted AF Response (CAFR), Conducted AF Response Plus (CAFRPlus)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
10
States / cities
Boca Raton, Florida • West Des Moines, Iowa • Minneapolis, Minnesota + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Phase 4 Interventional Results available

Comparison of AV Optimization Methods Used in Cardiac Resynchronization Therapy (CRT)

NCT00677014
View directory record Official record
Conditions
Heart Failure
Interventions
AV Delay programming through cardiac resynchronization therapy
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2013 · Synced Sep 11, 2026, 2:02 PM EDT
Active, not recruiting Phase 2 Interventional

ChatBot and Activity Monitoring in Patients Undergoing Chemoradiotherapy

NCT05318027
View directory record Official record
Conditions
Lung Cancer, Gastrointestinal Cancer, Head and Neck Cancer
Interventions
ChatBot
Device
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional

System for High-Intensity Evaluation During Radiotherapy

NCT04277650
View directory record Official record
Conditions
Radiation Therapy Complication, Chemotherapeutic Toxicity
Interventions
Machine learning algorithm
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
311 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Sep 11, 2026, 2:02 PM EDT
Terminated Phase 2 Interventional Results available

Phase 2 Evaluation of Multi-modality Algorithm for Non-metastatic Adenocarcinoma of Pancreas or Ampulla

NCT02626520
View directory record Official record
Conditions
Ductal Adenocarcinoma of Pancreas, Adenocarcinoma of Ampulla
Interventions
Gemcitabine and nanoparticle albumin bound paclitaxel, 5-fluorouracil and irinotecan, Preoperative chemoradiation, Definitive resection
Drug · Radiation · Procedure
Lead sponsor
Essentia Health
Other
Eligibility
18 Years to 85 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2018 · Synced Sep 11, 2026, 2:02 PM EDT
Recruiting Not applicable Interventional

Imaging Coronary Microvascular Dysfunction (CMD) Study

NCT05634031
View directory record Official record
Conditions
Angina, Non-obstructive Coronary Artery Disease
Interventions
PET imaging, Coronary CT angiogram, Functional Angiography, Treadmill exercise stress study
Radiation · Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 11, 2026, 2:02 PM EDT
Completed Not applicable Interventional

Paced And Sensed Electrical Delay in CRT Therapy (PASED CRT)

NCT02803775
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
CRT Algorithm
Device
Lead sponsor
Deborah Heart and Lung Center
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Browns Mills, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Sep 11, 2026, 2:02 PM EDT
Recruiting Phase 2 Interventional

A Study of Reduced Radiation Therapy and Standard-of-Care Chemotherapy in People With HPV-Positive Throat Cancer

NCT05491512
View directory record Official record
Conditions
HPV, Throat Cancer, Oropharyngeal Carcinoma, Oropharyngeal Cancer, Human Papilloma Virus
Interventions
18 F-FMISO PET/CT, Radiation, Cisplatin, Carboplatin, 5-fluorouracil
Diagnostic Test · Radiation · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 11, 2026, 2:02 PM EDT