NCT02700425

Brief Summary

The goal of this study is to compare the effectiveness of pacing from a physiologic His bundle (HB) lead position versus with the standard coronary sinus (CS) lead position in subjects with heart failure undergoing cardiac resynchronization therapy (CRT). While placement of left ventricular leads via the coronary sinus has anatomic limitations, we hypothesis that the achievement of QRS narrowing with His bundle capture will be superior for improving systolic function by echocardiographic indices (ejection fraction and strain) and quality of life and decreased rehospitalization and mortality.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
41

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started May 2016

Longer than P75 for not_applicable

Geographic Reach
1 country

8 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 29, 2016

Completed
1 month until next milestone

First Posted

Study publicly available on registry

March 7, 2016

Completed
2 months until next milestone

Study Start

First participant enrolled

May 17, 2016

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2020

Completed
1 year until next milestone

Results Posted

Study results publicly available

August 10, 2021

Completed
Last Updated

September 5, 2021

Status Verified

July 1, 2021

Enrollment Period

4.2 years

First QC Date

January 29, 2016

Results QC Date

June 7, 2021

Last Update Submit

August 10, 2021

Conditions

Keywords

Wide QRSVentricular Dyssynchrony

Outcome Measures

Primary Outcomes (3)

  • Change in Left Ventricular Ejection Fraction (LVEF)

    Change in left ventricular ejection fraction (LVEF) as measured by echocardiography in a blinded core lab.

    baseline and 6 months

  • Change in QRS Duration

    Change in QRS duration as measured by electrocardiography

    baseline and 12 months

  • Time to First Cardiovascular Hospitalization or Death

    Time to first cardiovascular hospitalization or death in months

    Through study completion, an average of 12 months.

Secondary Outcomes (4)

  • New York Heart Association (NYHA) Functional Class Change

    baseline, 6 months, and 12 months

  • Quality of Life Change by Kansas City Questionnaire (KCCQ)

    baseline and 12 months

  • Time to First Cardiovascular Rehospitalization

    Through study completion, an average of 12 months

  • Time to First Treated Ventricular Arrhythmia/Ventricular Tachycardia (VT/VF)

    Through study completion, an average of 12 months

Study Arms (2)

His Bundle Pacing

ACTIVE COMPARATOR

Subjects will be randomized to the HB lead position with their cardiac resynchronization therapy (CRT) pacemaker. HB lead pacing will be performed with the Medtronic SelectSecure™, Model 3830 lead. Delivery of the lead utilizes a deflectable sheath, the Medtronic SelectSite™, Model C304. Both devices are FDA approved for the purpose of HB pacing. It is the only device available which is presently FDA approved for selective HB pacing.

Device: CRT Pacemaker

Coronary Sinus Pacing

ACTIVE COMPARATOR

Subjects will be randomized to the CS lead position with their cardiac resynchronization therapy (CRT) pacemaker. CS lead and CRT device generator selected for implant will be left to the discretion of the operator. Only FDA approved CS leads and CRT generators will be utilized in the study. There are five present manufacturers of CS leads and CRT generators: Biotronik, Boston Scientific, Medtronic, Sorin, and St. Jude Medical.

Device: CRT Pacemaker

Interventions

Cardiac Resynchronization Therapy (CRT) is the use of a pacemaker with two endocardial leads placed in the right atrium (RA) and right ventricle (RV). The third lead is traditionally placed in a tributary of the coronary sinus (CS) overlying the epicardial surface of the left ventricle (LV). Alternatively, the third lead may be positioned based on mapping of the common His bundle and actively fixed to achieve QRS normalization via direct His bundle capture.

Coronary Sinus PacingHis Bundle Pacing

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients at least 18 years of age
  • LV systolic dysfunction with LVEF ≤ 35%
  • Evidence of intraventricular conduction delay with QRS duration \> 120 msec
  • NYHA Class II, III, and ambulatory Class IV heart failure with either ischemic or nonischemic cardiomyopathy and patients with NYHA Class I symptoms and ischemic cardiomyopathy
  • Left ventricular ejection fraction (LVEF) ≤ 35%, sinus rhythm (SR), left bundle-branch block (LBBB) morphology, and QRS duration ≥ 150 msec, and NYHA Class II, III, or ambulatory Class IV patients on goal-directed medical therapy (GDMT) \[Class I\]
  • LVEF ≤ 35%, SR with LBBB with QRS 120-149 msec on GDMT \[Class IIa\]
  • LVEF ≤ 35%, SR with non-LBBB with QRS ≥ 150 msec on GDMT \[Class IIa\]
  • LVEF ≤ 35%, in AF if medication or AV nodal ablation will allow near 100% pacing \[Class IIa\]
  • LVEF ≤ 35% undergoing new or replacement device with anticipated \>40% ventricular pacing on GDMT \[Class IIa\]
  • LVEF ≤ 30%, ischemic etiology of HF, SR with LBBB ≥ 150 msec and NYHA Class I symptoms on GDMT \[Class IIb\]
  • LVEF ≤ 35%, SR with non-LBBB with QRS 120-149 msec, NYHA Class III/ambulatory Class IV HF on GDMT \[Class IIb\] LVEF ≤ 35%, SR with non-LBBB with QRS ≥ 150 msec, NYHA Class II HF on GDMT \[Class IIb\]

You may not qualify if:

  • Existing CRT device
  • Inability of patient capacity to provide consent for themselves either due to medical or psychiatric comorbidity
  • Pregnancy
  • Participation in other trials
  • Difficulty with follow-up

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (8)

The University of California, Los Angeles

Los Angeles, California, 90095, United States

Location

Northwestern University

Chicago, Illinois, 60611, United States

Location

Rush University Medical Center

Chicago, Illinois, 60612, United States

Location

The University of Chicago

Chicago, Illinois, 60637, United States

Location

Edward Hospital

Naperville, Illinois, 60540, United States

Location

Indiana University

Indianapolis, Indiana, 46202, United States

Location

Baptist Health Louisville

Louisville, Kentucky, 40207, United States

Location

Geisinger Wyoming Valley Medical Center

Wilkes-Barre, Pennsylvania, 18711, United States

Location

Related Publications (2)

  • Upadhyay GA, Vijayaraman P, Nayak HM, Verma N, Dandamudi G, Sharma PS, Saleem M, Mandrola J, Genovese D, Tung R; His-SYNC Investigators. His Corrective Pacing or Biventricular Pacing for Cardiac Resynchronization in Heart Failure. J Am Coll Cardiol. 2019 Jul 9;74(1):157-159. doi: 10.1016/j.jacc.2019.04.026. Epub 2019 May 9. No abstract available.

  • Upadhyay GA, Vijayaraman P, Nayak HM, Verma N, Dandamudi G, Sharma PS, Saleem M, Mandrola J, Genovese D, Oren JW, Subzposh FA, Aziz Z, Beaser A, Shatz D, Besser S, Lang RM, Trohman RG, Knight BP, Tung R; His-SYNC Investigators. On-treatment comparison between corrective His bundle pacing and biventricular pacing for cardiac resynchronization: A secondary analysis of the His-SYNC Pilot Trial. Heart Rhythm. 2019 Dec;16(12):1797-1807. doi: 10.1016/j.hrthm.2019.05.009. Epub 2019 May 13.

MeSH Terms

Conditions

Heart Failure

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular Diseases

Limitations and Caveats

This pilot study was underpowered to detect differences less than 10% between groups.The criteria for LBBB definitions impact the outcomes of CRT studies. More precise electrophysiologic definitions are necessary to refine patient selection for His bundle pacing. Longer helices, deflectable sheaths with septal orientation and variable curves may further improve His correction rates and stability of thresholds.

Results Point of Contact

Title
Dr. Gaurav A. Upadhyay, MD
Organization
The University of Chicago

Study Officials

  • Roderick Tung, MD

    University of Chicago

    PRINCIPAL INVESTIGATOR
  • Gaurav A. Upadhyay, MD

    University of Chicago

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 29, 2016

First Posted

March 7, 2016

Study Start

May 17, 2016

Primary Completion

July 31, 2020

Study Completion

July 31, 2020

Last Updated

September 5, 2021

Results First Posted

August 10, 2021

Record last verified: 2021-07

Data Sharing

IPD Sharing
Will not share

Locations