Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 15, 2026, 5:28 AM EDT

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

Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Heart Failure - NYHA II - IV
Interventions
CRT-D with a Quadripolar LV lead, CRT-D with INGEVITY+ pace/sense lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
40
States / cities
Huntsville, Alabama • Mobile, Alabama • Phoenix, Arizona + 34 more
Completed Not applicable Interventional Results available

Attain Performa(TM) Quadripolar Lead Study

NCT01751022
Conditions
Heart Failure
Interventions
Device: Attain Performa Pacing Lead (along with a standard CRT-D system)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
67
States / cities
Glendale, California • Riverside, California • San Diego, California + 64 more
Completed No phase listed Observational

Quadripolar Pacing Post Approval Study

NCT01555619
Conditions
Heart Failure
Interventions
CRT-D System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,971 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
71
States / cities
Birmingham, Alabama • Huntsville, Alabama • Montgomery, Alabama + 68 more
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
81
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 78 more
Conditions
Cardiac Resynchronization Therapy
Interventions
ACUITY X4 quadripolar coronary venous lead and RELIANCE 4-FRONT defibrillation lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
96
States / cities
Birmingham, Alabama • Huntsville, Alabama • Anchorage, Alaska + 85 more
Conditions
Heart Failure
Interventions
Quadripolar LV Lead
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,092 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
72
States / cities
Anchorage, Alaska • Chandler, Arizona • Jonesboro, Arkansas + 62 more