Quartet Lead and Resynchronization Therapy Options III (QUARTO_III)
QUARTO_III
1 other identifier
interventional
105
1 country
1
Brief Summary
The purpose of the study is to assess prospectively at 6 months the percentage of responder patients implanted with a Cardiac Resynchronization Therapy (CRT-D) device and a Quartet Left Ventricular (LV) quadripolar lead and with the MultiPoint Pacing (MPP) feature activated.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable heart-failure
Started Feb 2016
Typical duration for not_applicable heart-failure
1 active site
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
June 16, 2015
CompletedFirst Posted
Study publicly available on registry
June 19, 2015
CompletedStudy Start
First participant enrolled
February 1, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 13, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2019
CompletedResults Posted
Study results publicly available
August 3, 2020
CompletedMarch 2, 2022
February 1, 2022
3 years
June 16, 2015
April 16, 2020
February 18, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of CRT Responders
The number of CRT responders was evaluated at 6 months post-implant. A CRT responder patient was a patient with an improvement of \>15 % in LVESV, as measured by echocardiography.
6 months
Secondary Outcomes (4)
Changes in LV Echocardiographic Parameters
Baseline and 6 months
Number of CRT Super-responders
6 months
Rates of Hospitalization and Mortality
6 months
Change in NYHA Classification
6 months
Study Arms (1)
MPP ON
EXPERIMENTALTo activate the Multipoint Pacing (MPP) feature to ON in all patients
Interventions
Patients implanted with a Cardiac Resynchronization Therapy CRT-D device and a Quartet Left Ventricular (LV) quadripolar lead and with the MultiPoint Pacing (MPP) feature activated
Eligibility Criteria
You may qualify if:
- Patient that will be implanted with a Cardiac Resynchronization Therapy (CRT-D) with the MultiPoint Pacing (MPP) feature under the current Guidelines indications for CRT-D implant (including upgrades from single or dual chamber Defibrillator or Pacemaker).
- Patient that will be implanted with a Quartet Left Ventricular (LV) quadripolar lead.
- In sinus rhythm at baseline visit.
- Patients with Left Bundle Branch Block (LBBB)
- Must be willing and able to comply with study requirements.
- Older than 18 years
- Must indicate their understanding of the study and willingness to participate by signing an appropriate informed consent form.
You may not qualify if:
- Already has a CRT device implanted.
- Myocardial Infarction or unstable angina within 40 days prior the enrollment.
- New York Heart Association (NYHA) Class IV
- Recent cardiac revascularization in the 4 weeks prior to enrollment.
- Cerebrovascular Accident (CVA) or Transient Ischemic Attack (TIA) in the 3 months prior the enrollment.
- Classification of Status 1 for cardiac transplantation or consideration for transplantation over the next 12 months.
- Primary valvular disease requiring surgical intervention.
- Atrial Fibrillation (AF):
- Persistent AF at the time of enrollment or 30 days prior the enrollment
- Permanent AF not treated with Atrio-Ventricular node ablation within 2 weeks after the CRT-D implant
- History or incidence of Paroxysmal or Persistent AF within 30 days prior the enrollment
- Patient for whom suitable Transthoracic echocardiographic images for determining the cardiac output (CO) and LV volumes cannot be obtained.
- Undergone a cardiac transplantation or being waiting for it
- Life expectancy \< 6 months
- Pregnancy or planning to become pregnant
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Hospital Virgen de la Victoria
Málaga, Spain
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Pilar Santamaria
- Organization
- Abbott Medical
Study Officials
- STUDY DIRECTOR
Oscar Sanz
Abbott Medical
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 16, 2015
First Posted
June 19, 2015
Study Start
February 1, 2016
Primary Completion
February 13, 2019
Study Completion
July 1, 2019
Last Updated
March 2, 2022
Results First Posted
August 3, 2020
Record last verified: 2022-02
Data Sharing
- IPD Sharing
- Will not share