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Clinical Trial Summary

The goal of this exploratory clinical trial is to evaluate the initial clinical safety and performance of a prototype wearable chest wall vibration (CWV) device intended to relieve exertional dyspnea in adults with Chronic Obstructive Pulmonary Disease. The main questions it aims to answer are: - Can CWV be delivered safely to participants via a wearable device? - Is there evidence of an effect on participant-reported dyspnea, endurance time and other measures of cardiorespiratory function? Participants will undergo two cycle-ergometer exercise testing sessions while wearing the prototype wearable device. The device will be active in one session (intervention) and inactive in the other (control). The order in which intervention or control occurs will be randomised. Researchers gather data relating to adverse events, device deficiencies, participant-reported symptom severity, endurance time and measures of cardiorespiratory function recorded via standard CPET apparatus.


Clinical Trial Description

The purpose of this Clinical Investigation is to evaluate the device design in a small number of human subjects with respect to initial clinical safety, and to gather preliminary data regarding the effect of the device on patient reported dyspnoea and physiological measures of cardiorespiratory function. This will facilitate planning of further steps of device development and validation, guide design modifications and define parameters for a future pivotal clinical investigation. The investigational device is at Pilot stage of Clinical Development, and the proposed Clinical investigation is a first-in-human exploratory study. It is not a superiority, non-inferiority, or equivalence study. The primary objective of this Clinical Investigation is to evaluate the investigational device with respect to initial clinical safety when used by subjects with Chronic Obstructive Pulmonary Disease during physical exertion in the form of cycle ergometer-based Cardiopulmonary Exercise Testing. The secondary objective of this Clinical Investigation is to gather preliminary data regarding the effect of the device on patient-reported dyspnoea and physiological measures of cardiorespiratory function. Each subject will attend the investigation site for a Pre-Study visit during which formal written consent will be obtained, clinical history and medications will be reviewed as part of standard CPET pre-assessment, and enrolment in the Clinical Investigation will be complete. An initial Incremental Cardiopulmonary Exercise Testing (CPET) session will then be conducted to determine baseline Peak Work Rate capacity. This is necessary so that the intensity of CPET that will be required to achieve 75% of each subject's individual Peak Work Rate capacity can be determined. Peak Work Rate capacity will be defined as the highest work rate that the Subject is able to maintain for ≥30 seconds. Following initial CPET, subjects will return for device testing on a non-consecutive day. Each subject will undergo 2 study arms during this visit: the Intervention (ResWave) and Control arms, in the random order. Both arms will be conducted on the same day, with a recovery period of 60 minutes between each arm. Subjects will undergo sub-maximal exercise testing at a Constant Work Rate (CWR) of 75% of their peak work rate capacity in both arms. Borg CR10 scores will be recorded at 2 minute intervals throughout. Endurance time will be recorded at test completion. Adverse Events will be recorded throughout testing and at 72-hour follow-up via phone call. Device Deficiencies will be recorded throughout testing. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06432920
Study type Interventional
Source Elevre Medical Ltd.
Contact
Status Completed
Phase N/A
Start date July 6, 2023
Completion date January 26, 2024

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