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Active, not recruiting No phase listed Observational

Post Approval Study (PAS) of the OPTIMIZER Smart and CCM Therapy

ClinicalTrials.gov ID: NCT03970343

Public ClinicalTrials.gov record NCT03970343. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 25, 2026, 6:12 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Prospective, Multi-center, Non-randomized, Single Arm Open Label Study of 620 Subjects Receiving the OPTIMIZER Smart With CCM Therapy as Standard of Care

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The OPTIMIZER Smart Post-Approval Study is a prospective, multi-center, non-randomized, single arm open label study of 620 subjects receiving an OPTIMIZER implant as standard of care. Patients to be included will have NYHA functional class III symptoms and a left ventricular ejection fraction of 25-45%

Study identification

NCT ID
NCT03970343
Recruitment status
Active, not recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
Impulse Dynamics
Industry
Enrollment
620 participants

Conditions and interventions

Conditions

Interventions

Device

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 21, 2020 (Actual)
Primary completion
Jul 2028 (Estimated)
Completion
Jul 2028 (Estimated)
Last update posted
Nov 20, 2025

2020 – 2028

United States locations

U.S. sites
90
U.S. states
24
U.S. cities
72
Facility City State ZIP Site status
CardioVascular Associates of Mesa (CVAM) Mesa Arizona 85206 —
Chan Heart Rhythm Institute (CHRI) Mesa Arizona 85206 —
Southwest Cardiovascular Associates Mesa Arizona 85206 —
Banner University Medical Center Phoenix Arizona 85006 —
Cardiovascular Society of Arizona Phoenix Arizona 85006 —
Arizona Cardiovascular Research Center Phoenix Arizona 85016 —
Honor Health Scottsdale Arizona 85258 —
Pima Heart and Vascular Research Center Tucson Arizona 85712 —
University of AZ - Sarver Heart Center Tucson Arizona 85724 —
Cardiovascular Institute of San Diego Chula Vista California 91911 —
NorthBay Health, Heart and Vascular Fairfield California 94533 —
Mid Valley Cardiology - Fresno Fresno California 93720 —
South Orange County Cardiology Group Laguna Hills California 92653 —
University of Southern California - Keck School of Medicine Los Angeles California 90033 —
Cedars-Sinai Medical Center Los Angeles California 90048 —
Valley Clinical Trials Northridge California 91325 —
Valley Clinical Trials Pasadena California 91105 —
Torrance Memorial Medical Center Torrance California 90505 —
Aurora Denver Cardiology Associates Aurora Colorado 80012 —
MedStar Washington Hospital Center Washington D.C. District of Columbia 20010 —
Heart Rhythm Solutions Davie Florida 33328 —
Florida Memorial Hospital Jacksonville Florida 32216 —
Florida Cardiology Orlando Florida 32792 —
Florida Heart Rhythm Specialist Plantation Florida 33324 —
Piedmont Heart Atlanta Georgia 30309 —
Redmond Regional Medical Center Rome Georgia 30165 —
Advocate Illinois Masonic Medical Center Chicago Illinois 60657 —
Advocate Good Samaritan Hospital Downers Grove Illinois 60515 —
OSF Healthcare Cardiovascular Institute Peoria Illinois 61614 —
OSF HealthCare Cardiovascular Institute Rockford Illinois 61107 —
OSF Healthcare Cardiovascular Institute Urbana Illinois 61801 —
Franciscan Physician Network Indianapolis Indiana 46237 —
Ascension St. Vincent Indianapolis Indiana 46260 —
Community Healthcare System Munster Indiana 46321 —
Baptist Lexington Lexington Kentucky 40503 —
University of Kentucky - Gill Heart & Vascular Institute Clinical Research Lexington Kentucky 40536 —
Massachusetts General Hospital Boston Massachusetts 02241 —
Ascension Providence Park Hospital Novi Michigan 38374 —
St. Joseph Mercy Oakland Pontiac Michigan 48341 —
Downriver Heart and Vascular Southgate Michigan 48195 —
Trinity Health Michigan Heart Ypsilanti Michigan 48197 —
Minneapolis Heart Institute Foundation - Allina Minneapolis Minnesota 55407 —
St. Louis Heart and Vascular Bridgeton Missouri 63044 —
Logan Health Kalispell Montana 59901 —
Cooper Hospital Haddon Heights New Jersey 08035 —
Virtua Health - Our Lady of Lourdes Marlton New Jersey 08053 —
Morristown Medical Center Morristown New Jersey 07960 —
Rutgers Medical School Newark New Jersey 07719 —
Valley Hospital Ridgewood New Jersey 07450 —
Mount Sinai Morningside New York New York 10025 —
Mission Health Asheville North Carolina 28801 —
Atrium Health Charlotte North Carolina 28204 —
NC Heart and Vascular Research Raleigh North Carolina 27607 —
TriHealth Hatton Cincinnati Ohio 45242 —
University Hospitals of Cleveland Medical Center Cleveland Ohio 44106 —
The Ohio State University Columbus Ohio 43210 —
Mount Carmel Research institute Columbus Ohio 43213 —
Regional Cardiac Arrythmia Inc. Steubenville Ohio 43952 —
ProMedica Health Systems Toledo Ohio 43606 —
Mercy Health - St. Vincent Medical Center Toledo Ohio 43608 —
Oklahoma Heart Hospital Oklahoma City Oklahoma 73120 —
St. Luke's University Health Network Allentown Pennsylvania 18104 —
Bryn Mawr Hospital Bryn Mawr Pennsylvania 19010 —
UPMC Pinnacle Health Harrisburg Pennsylvania 17011 —
Penn State Milton S. Hershey Medical Center Hershey Pennsylvania 17033 —
Penn Medicine Lancaster General Hospital Lancaster Pennsylvania 17602 —
Cardiology Consultants of Philadelphia Philadelphia Pennsylvania 19067 —
Hospital of the University of Pennsylvania Philadelphia Pennsylvania 19104 —
Penn Presybyterian Medical Center Philadelphia Pennsylvania 19104 —
Temple University Hospital Philadelphia Pennsylvania 19140 —
Einstein Medical Center Philadelphia Pennsylvania 19141 —
Allegheny General Hospital Pittsburgh Pennsylvania 15212 —
UPMC Heart and Vascular Institute Pittsburgh Pennsylvania 15213 —
Reading Hospital Reading Pennsylvania 19611 —
Cardiovascular Consultants of Philadelphia Yardley Pennsylvania 19067 —
Texas Cardiac Arrhythmia Research Austin Texas 78705 —
VA North Texas Medical Center Dallas Texas 75216 —
Texan Procedure Center El Paso Texas 79915 —
Baylor College of Medicine Houston Texas 77030 —
UT Health - Memorial Hermann Hospital Houston Texas 77030 —
Heart and Rhythm Institute of South Texas San Antonio Texas 78229 —
UT Health San Antonio San Antonio Texas 78229 —
CHRISTUS Trinity Clinic Research Tyler Texas 75702 —
Centra Health- Lynchburg General Hospital Lynchburg Virginia 24501 —
Bon Secours St. Mary's Hospital Midlothian Virginia 23114 —
HCA Chippenham Hospital Richmond Virginia 23225 —
Richmond VA Medical Center Richmond Virginia 23249 —
CAMC Clinical Trials Center Charleston West Virginia 25304 —
Marshall Cardiology Huntington West Virginia 25701 —
Aurora Research Institute Milwaukee Wisconsin 53215 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03970343, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 20, 2025 · Synced Oct 25, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03970343 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →