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INTRINSIC RV - Inhibition of Unnecessary RV Pacing With AV Search Hysteresis in ICDs

Inhibition of Unnecessary RV Pacing With AV Search Hysteresis in ICDs

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00148967
Enrollment
1535
Registered
2005-09-08
Start date
2003-07-31
Completion date
2005-10-31
Last updated
2006-11-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Tachycardia

Keywords

right ventricular pacing, implantable cardioverter defibrillator

Brief summary

INTRINSIC RV is a two-armed randomized trial that will compare the effects of innovative dual-chamber pacing with AV Search Hysteresis to standard VVI among ICD patients.

Detailed description

The purpose of study is to assess whether AVSH will provide benefits of a dual-chamber ICD without the deleterious effects of unnecessary RV pacing. This study will aim to demonstrate that DDDR-AVSH is equal to VVI with respect to mortality and HF hospitalizations.

Interventions

DEVICEImplantable Cardioverter Defibrillator

Sponsors

Boston Scientific Corporation
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
FACTORIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum

Inclusion criteria

* Patients who meet VITALITY™AVT® ICD indications * Patients who sign and date a Patient Informed Consent prior to device implant * Patients who remain in the clinical care of the enrolling physician

Exclusion criteria

* Patients with current indication for CRT-D * Patients who previously had a pacemaker, ICD or CRT-D * Patients with chronic AF * Patients whose life expectancy is \<12 months due to other medical conditions * Patients who are expected to receive a heart transplant during the duration of the study * Patients with epicardial pacing leads * Patients who have CABG, PCI, cardiac or other arrhythmia surgery planned but not yet performed * Patients with or who are likely to receive a tricuspid or other valve prosthesis * Patients who are currently enrolled in another investigational study that would directly impact the treatment or outcome of the current study * Patients who are younger than 18 years of age * Patients who are pregnant * Patients who are mentally incompetent and cannot give Patient Informed Consent or participate in the study

Design outcomes

Primary

MeasureTime frame
Demonstrate that DDDR-AVSH is as effective as VVI with respect to the composite endpoint of death or heart failure hospitalizations.

Secondary

MeasureTime frame
The following variables will be compared between patients who are randomized to either DDDR-AVSH or VVI:
The prevalence of atrial fibrillation, Changes in medication dosage, including beta-blocker, anti-arrhythmic and coumadin medications, Programming changes, Quality of life

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 2, 2026