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Clinical Trial Summary

The Remote Physiological Monitoring System (RPM™) is a wireless technology for physiological monitoring. The RPM™ is designed to capture, transmit and remotely monitor the vital signs of a patient or group of patients. The RPM™ allows the patient to carry an unobtrusive unit and sensor array, which is able to store and/or forward its data via existing communication networks. This data is archivable and can be made available to a monitoring station or stations. This approach obviates the need to provide new and expensive infrastructure to support the system since it is designed to 'piggy-back' on the existing network.

A major clinical advantage of the RPM™ and the principal reason why it may offer a benefit to patients, is that it provides continuous remote monitoring of vital signs, in contrast to the current situation for ward patients, where there is intermittent vital signs monitoring. This is a major advantage for patients and hospital staff, since there is increasing evidence that demonstrate early recognition and treatment of clinical events, e.g., shock, can save lives; the concurrent cost and labour saving is a further obvious benefit.

The RPM™ uses wireless technology to overcome the portability problems associated with conventional patient monitoring systems. The RPM™ consists of the following system components:

1. Physiological Monitoring Unit (PMU)

2. Data Aggregation Server (DAS)

3. Clinical Monitoring Position (CMP) To validate the RPM™ device for regulatory approval, BRYTECH will evaluate the RPM™ in a clinical setting, thereby ensuring that the system is trustworthy and acceptable to health professionals as a monitoring system in patients. The study proposes to evaluate the accuracy and reliability of the RPM™ compared to monitors commonly used in the medical practice under the standard conditions of medical practice The study also proposes to evaluate notification and alarm systems, the communications interface and non-interference with existing systems, devices, networks and procedures as well as the incremental nursing workload associated with the integration of the RPM™ in a clinical environment. The RPM™ and reference physiological monitoring devices will be compared for physiological monitoring capabilities in 40 patients.


Clinical Trial Description

BRYTECH STUDY SUMMARY

The Remote Physiological Monitoring System (RPM™) is a wireless technology for physiological monitoring. The RPM™ is designed to capture, transmit and remotely monitor the vital signs of a patient or group of patients. The RPM™ allows the patient to carry an unobtrusive unit and sensor array, which is able to store and/or forward its data via existing communication networks. This data is archivable and can be made available to a monitoring station or stations. This approach obviates the need to provide new and expensive infrastructure to support the system since it is designed to 'piggy-back' on the existing network.

A major clinical advantage of the RPM™ and the principal reason why it may offer a benefit to patients, is that it provides continuous remote monitoring of vital signs, in contrast to the current situation for ward patients, where there is intermittent vital signs monitoring. This is a major advantage for patients and hospital staff, since there is increasing evidence that demonstrate early recognition and treatment of clinical events, e.g., shock, can save lives; the concurrent cost and labour saving is a further obvious benefit.

The RPM™ uses wireless technology to overcome the portability problems associated with conventional patient monitoring systems. The RPM™ uses off the shelf computer technology such as standard displays, as well as secure, wireless, 802.11 networking protocols and consists of the following system components:

1. Physiological Monitoring Unit (PMU)

2. Data Aggregation Server (DAS)

3. Clinical Monitoring Position (CMP)

To validate the RPM™ device for regulatory approval, BRYTECH will evaluate the RPM™ in a clinical setting, thereby ensuring that the system is trustworthy and acceptable to health professionals as a monitoring system in patients. The study proposes to evaluate the accuracy and reliability of the RPM™ compared to monitors commonly used in the medical practice under the standard conditions of medical practice; this study will therefore be a non-intervention study. The study also proposes to evaluate notification and alarm systems, the communications interface and non-interference with existing systems, devices, networks and procedures as well as the incremental nursing workload associated with the integration of the RPM™ in a clinical environment. The RPM™ and reference physiological monitoring devices will be compared for physiological monitoring capabilities in 40 patients from the following four (4) cohorts:

1. Cohort 1 (Exercise): patients who are scheduled to undergo a minimum of 20 minutes of exercise testing.

2. Cohort 2 (ICU): patients admitted to the Intensive Care Unit (ICU)

3. Cohort 3 (Post-op): patients in Post-Operative care

4. Cohort 4 (ER): patients admitted to the Emergency Room (e.g., high risk medical admissions) These cohorts are considered representative of a broad spectrum of the general patient population. Patients participating in the study will be assigned to one of these 4 cohorts, with a minimum of 10 patients assigned to Cohort 1 (Exercise) and a minimum of 5 patients in each of the other cohorts.

For the study, the RPM™ and reference monitoring devices will be time-stamped such that zero time will be readily evaluable and patients will be fitted with all necessary sensors for collection of vital signs, namely heart rate (HR), electrocardiogram (ECG), blood oxygen saturation levels (SpO2), non-invasive blood pressure (NIBP), body temperature (BT) and respiration rate (RR).

For Cohort 1 (Exercise) patients, comparative monitoring of vital signs will be done during exercise testing for a minimum of 20 minutes with additional monitoring performed pre- and post-exercise. There will be a minimum of 10 patients in this cohort. For patients in Cohorts 2, 3 and 4, comparative monitoring of vital signs will be performed during the period (24 - 72 hours) required to collect 12 Vital Sign Assessment Cycles (VSAC - defined in Section 5.2.2) per subject, with a minimum of 5 patients in each cohort and a total of 30 patients. The four cohorts of patients have been chosen to allow comparison of vital signs from the RPM™ and standard nursing measurement techniques over a broad range of physiologic data (e.g. rest and exercise) and patient populations (e.g. stable and critically ill).The primary objective for the study is to determine substantial equivalence of the RPM™ and the reference devices or standard practice measurements by comparing the agreement (accuracy) between paired output results for individual vital signs and the reliability of data collection over a 24 hour monitoring period. Timepoint matched paired data for all available timepoints will be collected from the RPM™ and the reference devices, excluding ambulatory data, for heart rate, ECG, SpO2, blood pressure, body temperature and respiration rate. Accuracy will be determined by assessing whether the paired values show significant agreement. Reliability will be determined by a comparison of cumulative totals for lost data points and error rates.

The study will be conducted according to Good Clinical Practice (GCP) guidelines with all patients required to sign an Informed Consent Form (ICF). This is a non-intervention study and patients tested will be subjected to use of the RPM™ as the only experimental procedure during the trial. Importantly, patients will not be exposed to any significant risks as a result of participating in this study. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00664924
Study type Observational
Source Ottawa Hospital Research Institute
Contact
Status Completed
Phase N/A
Start date October 2007
Completion date December 2008

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