QT Changes as Detected From LINQ ECG During Antiarrhythmic Loading (LINQ QT)

Completed

Conditions studied: Atrial Arrhythmia, QT Interval, Variation in, Arrhythmias, Cardiac

In brief

The LINQ QT Study is a prospective, non-randomized, multi-center, observational, post-market clinical study investigating QT interval changes due to antiarrhythmic drug loading.

Key facts

Study ID

NCT05488470

Run by

Medtronic Cardiac Rhythm and Heart Failure

People needed

22

Starts

2023-02-20

Expected to finish

2024-07-23

Last updated by the study team

2025-05-13

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients implanted with LINQ/LINQII prior to the study enrollment (no more than 50% patients implanted with LINQII), but no greater than 2.5 years for LINQ or 3.5 years for LINQII, or patients who are indicated to receive a LINQ/LINQII implant at least 7 days prior to antiarrhythmic drug loading
• Patients who are scheduled to receive antiarrhythmic drug loading
• Age 18-80
• Patient is willing and able to comply with the protocol, including follow-up visits, and performing Holter recordings and patient activation transmissions

You may not qualify if…

• Patients who have a contraindication to long-term antiarrhythmic therapy
• Patients not suitable for long-term antiarrhythmic therapy
• Patients with a previous, existing cardiac implantation (i.e., cardiac pacemaker or cardiac resynchronization requiring > 40% pacing, implantable cardioverter defibrillator (ICDs))
• Patients with permanent and persistent AF
• Co-enrollment in another study or planning to participate in a concurrent device study during the course of this clinical study that could confound the results

Where it is running

• Baptist Hospital — Jacksonville, Florida, United States
• OhioHealth Research and Innovation Institute (OHRI) — Columbus, Ohio, United States
• Bay Area Hospital — Coos Bay, Oregon, United States

Full record on ClinicalTrials.gov

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