A Three-phase Study That Will Compare the ECG Data Recorded Using the Test Device With the Data Recorded by a Reference Device, Evaluate the ECG Signal Quality of the Test Device Over a 10-day Simulated Use Period, and Assess the Effects of Variable ECG Electrode Placement for the Test Device

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This clinical study will be performed in three phases. The purpose of Phase 1 of this study is to compare the ECG data recorded using the ZywieZ3 Sensor and ZywieZ3 Adhesive ("Test Device") to the data recorded by a traditional 3-lead ECG device that uses wet Ag-AgCl adhesives in a standard lead location ("Reference Device"). The ECG signals will be recorded simultaneously with both ECG devices from the subjects in conditions that represent the devices' intended use for 1 hour. This comparison will determine whether the Test Device recordings are similar to the "gold standard" Reference Device. The testing methodology for this portion of the study is based on guidance provided by the FDA to the Sponsor. The purpose of Phase 2 of this study is to evaluate the ECG signal quality of the Test Device over a 10-day simulated use period by human subjects. This duration of 10 days represents the expected maximum period of usage for the Test Device by the Sponsor. The skin adhesion properties of the Test Device will be evaluated, including a determination of whether any skin reactions, discoloration of the Test Device adhesive (including the snaps and hydrogel), or Test Device adhesive degradation leading to particulate formation occurs over a 10-day simulated use period by human subjects. During this testing, a human factor critical task analysis will be conducted via a collection of observational data regarding success in subject completion of Sponsor-identified critical tasks, subject completion of knowledge questionnaires relating to aspects of Sponsor-identified critical tasks, and subject completion of general subjective questionnaires regarding any difficulty they experienced with use of the Test Device. Testing methodology for this portion of the study is based upon the "Adhesive Performance (Duration of Use)" \[Section 5.4\] procedures from ANSI/AAMI Standard EC12:2000/(R)2020, Disposable ECG Electrodes and the 2016 FDA Guidance for Industry and Food and Drug Administration Staff titled "Applying Human Factors and Usability Engineering to Medical Devices." The purpose of Phase 3 of this clinical study is to assess the effects of variable ECG electrode placement for the ZywieZ3 Sensor and ZywieZ3 Adhesive ("Test Device"). This testing is intended to determine whether ECG electrode placement variability produces unacceptable / non-clinically relevant ECG data and what level of ECG electrode placement variability is acceptable.

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Last update posted Sep 30, 2025 · Synced Sep 2, 2026

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