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ClinicalTrials.gov public records Last synced Oct 2, 2026, 2:02 AM EDT

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Showing 25–48 of 57 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: NYHA Class III Heart Failure Clear all
Terminated Phase 3 Interventional Results available

International Study to Determine if AdreView Heart Function Scan Can be Used to Identify Patients With Mild or Moderate Heart Failure (HF) That Benefit From Implanted Medical Device

NCT02656329
View directory record Official record
Conditions
Heart Failure
Interventions
Iobenguane I -123 Injection, Implantable Cardioverter Defibrillator, Thyroid blocking
Drug · Device
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
29
States / cities
Birmingham, Alabama • Bakersfield, California • La Mesa, California + 24 more
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Oct 2, 2026, 2:02 AM EDT
Active, not recruiting No phase listed Observational

Early Metabolic Adaptations to SGLT2 Inhibition in Heart Failure

NCT05885607
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III, Heart Failure
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy Study of Once and Twice Daily Doses of MCC-135 in Subjects With Congestive Heart Failure.

NCT00050076
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
MCC-135, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
53
States / cities
Phoenix, Arizona • Tucson, Arizona • Carmichael, California + 47 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Oct 2, 2026, 2:02 AM EDT
Terminated Phase 2 Interventional

ZP120 Add-on to Furosemide in Treatment of Acute or Sub-Acute Decompensated Heart Failure

NCT00283361
View directory record Official record
Conditions
Heart Failure, Congestive
Interventions
ZP120, I.v. catherization, 6-minutes walk performance, Dyspnea severity assessment, Blood sampling for laboratory tests, ECG, Physical examination
Drug · Procedure · Behavioral
Lead sponsor
Zealand Pharma
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
22
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2007 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Not applicable Interventional Results available

A Study to Improve Physician-Youth Communication and Medical Decision Making

NCT05835063
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III, Heart Failure NYHA Class IV
Interventions
We Chatt communication tool, Usual/standard care
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
12 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Not applicable Interventional Results available

Evaluate Safety and Efficacy of the OPTIMIZER® System in Subjects With Moderate-to-Severe Heart Failure: FIX-HF-5C

NCT01381172
View directory record Official record
Conditions
NYHA Class III Heart Failure, NYHA Class IV Heart Failure
Interventions
Optimizer System, No intervention: Optimal medical therapy
Device · Other
Lead sponsor
Impulse Dynamics
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
32
States / cities
Glendale, Arizona • Mesa, Arizona • Phoenix, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2021 · Synced Oct 2, 2026, 2:02 AM EDT
Recruiting Not applicable Interventional

PROACTIVE-HF-2 Trial Heart Failure NYHA Class II and III

NCT05934487
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III, Heart Failure
Interventions
Cordella™ Pulmonary Artery Sensor System
Device
Lead sponsor
Endotronix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2033
U.S. locations
45
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Not applicable Interventional Results available

Effects of a Walking Program and Inspiratory Muscle Training in Individuals With Chronic Heart Failure

NCT01560871
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III
Interventions
High-intensity IMT plus walking, Low-intensity IMT plus walking
Behavioral
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 90 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 2, 2026, 2:02 AM EDT
Terminated No phase listed Observational

Step and Walking Pattern From Cardiac Monitor Study

NCT04971993
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III, Insertable Cardiac Monitor
Interventions
Wearable Cardiac Monitor
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Saint Cloud, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 2, 2026, 2:02 AM EDT
Enrolling by invitation Not applicable Interventional

Ketone and Hawthorn Extract Supplementation in Congestive Heart Failure

NCT07166965
View directory record Official record
Conditions
Congestive Heart Failure(CHF)
Interventions
Hawthorn supplement, Ketones, Placebo Control
Dietary Supplement · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 2, 2026, 2:02 AM EDT
Completed No phase listed Observational

Correlation of SOZO BIS Measures With CardioMEMS PA Pressure

NCT02939053
View directory record Official record
Conditions
NYHA Class III Heart Failure
Interventions
SOZO
Device
Lead sponsor
ImpediMed Limited
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Rochester, Minnesota • Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 8, 2019 · Synced Oct 2, 2026, 2:02 AM EDT
Recruiting Phase 1 Interventional

Autologous Induced Pluripotent Stem Cells of Cardiac Lineage for Congenital Heart Disease

NCT05647213
View directory record Official record
Conditions
Univentricular Heart, Congenital Heart Disease, Heart Failure NYHA Class III, Heart Failure NYHA Class IV
Interventions
iPSC-CL
Biological
Lead sponsor
HeartWorks, Inc.
Other
Eligibility
18 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 2, 2026, 2:02 AM EDT
Not listed Phase 4 Interventional

Remission From Stage D Heart Failure

NCT01774656
View directory record Official record
Conditions
Heart Failure NYHA Class III, Heart Failure NYHA Class IV
Interventions
Pharmacological Treatment
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 59 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
6
States / cities
Louisville, Kentucky • Omaha, Nebraska • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Not applicable Interventional

Study of Default Options in Advance Directives

NCT01817686
View directory record Official record
Conditions
COPD, Severe or Very Severe Airflow Obstruction and/or Receiving or Eligible to Receive Long-term Oxygen Therapy, Idiopathic Pulmonary Fibrosis, Other Interstitial Lung Disease Without Curative Therapy, Congestive Heart Failure, NYHA Class IV or NYHA Class III Plus 1 Hospitalization in the Past Year, Malignancy, Any Stage 3B or 4 Solid Tumor
Interventions
Comfort Default AD forms, Life Extension Default AD forms, Standard Default AD forms
Other
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 30, 2015 · Synced Oct 2, 2026, 2:02 AM EDT
Active, not recruiting Not applicable Interventional

An Early Feasibility Study Evaluation of an Implant Free Interatrial Shunt to Improve Heart Failure

NCT06859970
View directory record Official record
Conditions
Heart Failure, Heart Failure NYHA Class III, Heart Failure With Reduced Ejection Fraction, Ambulatory Heart Failure, NYHA Class IV
Interventions
PAS-C System
Device
Lead sponsor
InterShunt Technologies, Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
6
States / cities
Jonesboro, Arkansas • Thousand Oaks, California • Indianapolis, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Phase 2 Interventional

Evaluation of a Diagnostic Feature in a Cardiac Resynchronization Therapy (CRT) Device

NCT00957541
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Paradym CRT + Physiological Diagnosis (PhD)
Device
Lead sponsor
ELA Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Mesa, Arizona
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced Oct 2, 2026, 2:02 AM EDT
Completed No phase listed Observational

REGISTRY EVALUATION OF VITAL INFORMATION FOR VADs IN AMBULATORY LIFE

NCT01369407
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
No Intervention
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
21
States / cities
Birmingham, Alabama • Beverly Hills, California • Aurora, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2018 · Synced Oct 2, 2026, 2:02 AM 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 11, 2019 · Synced Oct 2, 2026, 2:02 AM EDT
Active, not recruiting Not applicable Interventional Results available

PROACTIVE-HF IDE Trial Heart Failure NYHA Class III

NCT04089059
View directory record Official record
Conditions
Heart Failure NYHA Class III
Interventions
Cordella™ Pulmonary Artery Sensor System
Device
Lead sponsor
Endotronix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
738 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
70
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Not applicable Interventional

Cognitive Intervention to Improve Memory in Heart Failure Patients

NCT03035565
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III, Heart Failure NYHA Class I
Interventions
Computerized Cognitive Training with Brain HQ, Computerized Crossword Puzzles
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
21 Years and older
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 2, 2026, 2:02 AM EDT
Recruiting No phase listed Observational

Real World Effectiveness of the Cordella Pulmonary Artery Sensor System in Patients With Chronic Heart Heart Failure

NCT06783335
View directory record Official record
Conditions
Heart Failure NYHA Class III, Heart Failure
Interventions
Cordella PA Sensor System, Standard of Care Pharmacologic Therapy
Device · Drug
Lead sponsor
Endotronix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Naperville, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Phase 3 Interventional

THE BALANCE Study: Treatment of Hyponatremia Based on Lixivaptan in NYHA Class III/IV Cardiac Patient Evaluation

NCT00578695
View directory record Official record
Conditions
Hyponatremia
Interventions
lixivaptan, Placebo
Drug
Lead sponsor
CardioKine Inc.
Industry
Eligibility
18 Years and older
Enrollment
652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
102
States / cities
Birmingham, Alabama • Mobile, Alabama • Bakersfield, California + 82 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2011 · Synced Oct 2, 2026, 2:02 AM EDT
Withdrawn Not applicable Interventional

Cardiac Rehab for Advanced Heart Failure-LVAD Candidates

NCT03132441
View directory record Official record
Conditions
Heart Failure
Interventions
Strength Training for Frailty
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Oct 2, 2026, 2:02 AM EDT
Completed Phase 1 Interventional

AB-1002 in Patients With Class III Heart Failure

NCT04179643
View directory record Official record
Conditions
Congestive Heart Failure, Heart Failure, Heart Disease, Ischemic, Cardiovascular Diseases, Heart Failure, Systolic, Heart Failure，Congestive, Heart Arrhythmia, Heart Failure, Diastolic, Heart; Complications
Interventions
3 x 10e13vg AB-1002
Biological
Lead sponsor
AskBio Inc
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
4
States / cities
Minneapolis, Minnesota • Cincinnati, Ohio • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 2, 2026, 2:02 AM EDT