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Clinical Trial Summary

This is a Randomized Controlled trial to evaluate if continuous heart rate and -rhythm monitoring with a photoplethysmography (PPG) smartwatch wearable (Apple Watch series 5) can detect atrial fibrillation at an early stage in cardiac patients with a known high risk of developing AF (ChadsVasc score ≥ 2 men; ≥3 women; age ≥ 65). In this monocenter, single arm, prospective randomized controlled trial the investigators will enroll 306 patients (153 per arm). An absolute in between-group difference of 8.5% in diagnosing patients with new AF in favor of the interventional group during a six month study period is hypothesized.


Clinical Trial Description

This is a monocenter Randomized Controlled trial to evaluate if continuous heart rate and -rhythm monitoring with a photoplethysmography (PPG) smartwatch wearable (Apple Watch series 5) can detect atrial fibrillation (AF) at an early stage in cardiac patients with a known high risk of developing AF (age ≥ 65), who are also at higher risk of developing stroke if AF would occur (ChadsVasc score ≥ 2 men; ≥3 women). The primary objective of this trial is to investigate whether continuous rhythm monitoring with a smartwatch wearable will result in a higher incidence of AF in patients at high risk for but without previously known AF, compared to standard care alone. The secondary outcomes are time to first AF episode, initiation of therapies for AF, predictors of AF, the number of visits to the emergency department, the number of patients with major adverse cardiovascular events, and other cardiac arrhythmias than AF diagnosed by a cardiologist. In this monocenter, single arm, prospective randomized controlled trial the investigators will enroll 306 patients. Patients will be randomized into either the intervention group (n=153), who will be loaned an Apple watch for use, or the control group (n=153), who will receive their standard care alone. Participants in the intervention group will receive the Apple Watch series 5 wearable and instructions to download a mobile app for the Apple iPhone. The smartwatch and the app on the smartphone are coupled. During the six-month study period, continuous monitoring for at least 12 hours a day of heart rate and -rhythm will be conducted using PPG. If an irregular heart rhythm is detected, the participant is requested through the smart application to record a single-lead ECG, using the smartwatch. Data obtained from the smartwatch will be transferred to the mobile app and will then be assessed with a proprietary certified AF algorithm. The ECG-data will be automatically uploaded in a secure environment of a data center, where it is accessible for the Telecure team who will analyze and interpret the recordings. As soon as AF is newly diagnosed, the patient and the treating cardiologist will be informed. An absolute in between-group difference of 8.5% in diagnosing patients with new AF in favor of the interventional group during a six month study period is hypothesized. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05686330
Study type Interventional
Source Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Contact
Status Enrolling by invitation
Phase N/A
Start date November 28, 2022
Completion date December 2023

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