Comparative Effectiveness of Prophylactic ICD Versus Non-ICD Therapy
CONTEMP-ICD
1 other identifier
interventional
3,290
2 countries
15
Brief Summary
The investigators aim to compare the risk of mortality of Non-implantable carioverter defibrillator (ICD) vs. ICD management in patients with heart failure with reduced ejection fraction (HFrEF).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Mar 2025
Longer than P75 for not_applicable
15 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 25, 2024
CompletedFirst Posted
Study publicly available on registry
August 9, 2024
CompletedStudy Start
First participant enrolled
March 4, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 31, 2030
ExpectedStudy Completion
Last participant's last visit for all outcomes
February 28, 2031
January 9, 2026
January 1, 2026
5.5 years
July 25, 2024
January 7, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
All-cause mortality
Death from any cause
through study completion, an average of 3.5 year
Secondary Outcomes (4)
Major adverse cardiovascular events
through study completion, an average of 3.5 years
Healthcare utilization
through study completion, an average of 3.5 year
Quality of life, using the Kansas City Cardiomyopathy Questionnaire [KCCQ] and EuroQol-5 Dimension (EQ-5D)
One year
Quality of life, using the EuroQol-5 Dimension (EQ-5D)
One year
Study Arms (2)
No-ICD implantation
NO INTERVENTIONNo-ICD implantation despite current recommendation
ICD implantation
ACTIVE COMPARATORICD implantation based on current guidelines
Interventions
Eligibility Criteria
You may qualify if:
- Age ≥ 18 years (no upper limit)
- Class I or IIa indication for a primary prevention ICD15: Ischemic or non-ischemic cardiomyopathy and NYHA Class ≥ II if most recent LVEF is ≤ 35% OR ischemic cardiomyopathy with NYHA Class I if most recent LVEF is ≤ 30%
- Most recent LVEF (%) obtained per cardiac imaging obtained at any time prior to enrollment after being stable on optimal GDMT\*\* for at least one month
- Stable optimal GDMT at least one calendar month prior to last cardiac imaging test, prespecified as one of the following for at least 1 calendar month prior to study randomization:
- receiving all 4 therapy classes (beta-blockers, ARNI/ARB/ACE, MRA and SGLT2i) OR GDMT Score ≥ 6 (per Figure 7)
- MADIT-ICD Benefit Score \< 50 (per Figure 4)
You may not qualify if:
- Existing ICD/CRT-D
- Planned CRT-P or CRT-D implant for any indications including Class I or IIa indication for CRT: Presence of left bundle branch block (LBBB) with QRS ≥ 120 msec OR QRS duration ≥ 150 msec regardless of QRS morphology OR decision for CRT implant by EP provider for other indications
- Acute MI within the past 3 calendar months
- Chronic renal failure requiring hemodialysis
- Coronary revascularization within the past 3 calendar months
- History of sustained VT or VF
- Known genetic cause of cardiomyopathy
- Life expectancy \< 1 year
- Unable or unwilling to follow study protocol
- Inability to consent
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (15)
MaineHealth
Portland, Maine, 04102, United States
Johns Hopkins University
Baltimore, Maryland, 21287, United States
Tufts Medical Center
Boston, Massachusetts, 02111, United States
Corewell Health
Grand Rapids, Michigan, 49503, United States
Minneapolis Heart Institute Foundation
Minneapolis, Minnesota, 55407, United States
Rutgers
New Brunswick, New Jersey, 08901, United States
The Valley Hospital
Paramus, New Jersey, 07652, United States
Northwell Health
New York, New York, 10075, United States
Nuvance Health Hudson Valley Cardiovascular Practice, PC
Poughkeepsie, New York, 12601, United States
University of Rochester
Rochester, New York, 14642, United States
Intermountain Health Care, Inc.
Salt Lake City, Utah, 84111, United States
University of Virginia Health System
Charlottesville, Virginia, 22902, United States
West Virginia University
Morgantown, West Virginia, 26506, United States
University of Calgary
Calgary, Alberta, T2N4Z6, Canada
University of Alberta
Edmonton, Alberta, T6G 2B7, Canada
Related Publications (2)
Fiuzat M, Hamo CE, Butler J, Abraham WT, DeFilippis EM, Fonarow GC, Lindenfeld J, Mentz RJ, Psotka MA, Solomon SD, Teerlink JR, Vaduganathan M, Vardeny O, McMurray JJV, O'Connor CM. Optimal Background Pharmacological Therapy for Heart Failure Patients in Clinical Trials: JACC Review Topic of the Week. J Am Coll Cardiol. 2022 Feb 8;79(5):504-510. doi: 10.1016/j.jacc.2021.11.033.
PMID: 35115106BACKGROUNDGoldenberg I, Zareba W, Ezekowitz JA, Albert C, Alexis JD, Anderson L, Behr ER, Daubert J, Di Palo KE, Ellenbogen KA, Dzikowicz DJ, Harrington JM, Hsich E, Huang DT, Januzzi JL, Jawaid A, Kutyifa V, Lala-Trindade A, Nakonechnyi A, Onwuanyi A, Pina IL, Sandhu RK, Sears S, Sroubek J, Baykaner T, Strawderman R, Beck C, Butler J. Rationale and design of the comparative effectiveness of ICD vs non-ICD therapy in contemporary heart failure patients at a low risk for arrhythmic death (CONTEMP-ICD) trial. Am Heart J. 2026 Jan;291:162-174. doi: 10.1016/j.ahj.2025.08.020. Epub 2025 Sep 4.
PMID: 40914445DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Ilan Goldenberg, MD
Univ of Rochester Medical Center, Clinical Cardiovascular Research Center
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor of Medicine
Study Record Dates
First Submitted
July 25, 2024
First Posted
August 9, 2024
Study Start
March 4, 2025
Primary Completion (Estimated)
August 31, 2030
Study Completion (Estimated)
February 28, 2031
Last Updated
January 9, 2026
Record last verified: 2026-01