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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03810586
Other study ID # Biobeat002
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date April 15, 2019
Est. completion date June 25, 2020

Study information

Verified date July 2019
Source Biobeat Technologies Ltd.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Continuous blood pressure (BP) measurement is in use today with an ambulatory, sphygmomanometer-based, device. This device, also called BP Holter, gives essential data for the clinician, allowing better hypertension (HTN) diagnosis and treatment. Alongside, the device has some substantial limitations preventing its use as a longer term BP monitoring allowing better HTN control. A new method of continuous BP monitoring, based on photo plethysmography (PPG), has been invented to ease patients' use and increase their responsiveness. This study aims to check whether the new, PPG-based method, of BP measurement can be as good as the current, gold standard, sphygmomanometer-based device.


Description:

HTN is a major risk factor for cerebrovascular morbidity and mortality, yet its identification can be delayed due to lack of overt symptoms, relying on BP measurements for diagnosis. Several BP monitoring techniques are used in clinics and hospitals, and there is also an outpatient method that is used for 24-hour BP monitoring, based on a sphygmomanometer. The general notion is that by using tight BP monitoring in the clinic and during the day, the health system will be able to diagnose hypertension among individuals at an early stage, including high risk patients in the community.

Ambulatory BP monitoring for a period of 24 hours is considered to be better than measurements taken in a clinic setting. First, 24 hours monitoring performed at home can help confirm that hypertension actually does exist, thus ruling out the potential of "white coat syndrome". Second, measurements of BP during sleep also have a predictive value for hypertension in high risk patients. Furthermore, ambulatory BP measurements are a stronger predictor of all-cause and cardiovascular mortality than BP measurements in the clinic. Finally, continuous BP monitoring is beneficial for controlling hypertension in diagnosed and treated patients.

The gold standard ambulatory non-invasive BP monitor that is in broad use today is a sphygmomanometer-based device that includes a cuff, which contracts around the patient's arm and measures BP every 15 to 20 minutes. The cuff is usually uncomfortable for the patients and could prevent them from doing their everyday activities. It can also disrupt the quality of their sleep at night. For these reasons patients are sometimes reluctant to use it. A more comfortable, user- friendly device, which allows a non-invasive, continuous BP measurement will provide a simple, more efficient way for BP monitoring, and will potentially enable to improve the outcome of medical treatment.

A new way for continuous non-invasive BP monitoring is based on the reflective photo plethysmography (PPG) method. A company called "Biobeat" invented a device that measures PPG wave in high temporal resolution that maintains more properties and markings of the original pulse wave than usual PPG-based devices, thereby enabling to provide data on several physiological parameters other than Heart Rate (HR) and blood oxygen saturation, such as: Systolic Blood Pressure (SBP) and its variation, Diastolic Blood Pressure (DBP) and its variation, Pulse Pressure and more. This device can also send and surveillance. The Biobeat device (BB-613) includes either a wearable watch or a patch with a sticker that the patient puts on his/her body. This device may increase the patient's willingness to use it and can also make the measurement more reliable (explanation on the PPG-based sensor and the device itself are provided in the appendixes).

The measurements are transferred via Wi-Fi to the patient's doctor and allows close monitoring.

The purpose of the study The study's main purpose is to compare continuous 24-hour BP measurement using the non-invasive PPG-based BB-613 device with one of the gold standard sphygmomanometer-based devices that is currently-used throughout the Israeli health system (HUGECARE NIBP Monitor). As accepted according to the AAMI (Association for the Advancement of Medical Instrumentation) and the European Hypertension Society, the parameters that are investigated in this study will be systolic BP, diastolic BP and the average between them (MAP).

The use of the PPG sensor for BP measurement will be considered as successful if there will be correlation of at least 5/10/15 mmHg between the measurements of both the PPG sensor and the sphygmomanometer-based Holter. The difference between measurements of the PPG and manometer devices will be less than 5 mmHg in at least 75% of the measurements, less than 10 mmHg in at least 90% of the measurements and less than 15 mmHg in at least 96% of the measurements. The results will fulfil at least two of these criteria.

In addition to the BP measurement comparison, in this study the investigators will also compare the degree of comfort and accessibility for participants between the Bio Beat device and the gold standard Holter device that is currently in use.

Study hypothesis The study's hypothesis is that the PPG-based sensor will give reliable results of continuous BP monitoring in a comfortable and user-friendly way. In addition, the accuracy of the sensor will not be inferior to the Holter that is now in use.


Recruitment information / eligibility

Status Completed
Enrollment 28
Est. completion date June 25, 2020
Est. primary completion date April 25, 2020
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria:

- Either healthy or chronically ill who are treated accordingly and with no need of any medical intervention during the study.

Exclusion Criteria:

- A volunteer's refusal to enter the study.

- Patients who are currently in hospitalization or in medical assessment.

- Pregnant women and children under 18.

- Volunteers with powerless jurisdiction.

- Workers of the Hadassah Medical Center

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Non-invasive measurement of blood pressure
Comparing non-invasive measurement of blood pressure using the PPG-based BB-613 device to a blood pressure manomtry holter device (HUGECARE NIBP Monitor)

Locations

Country Name City State
Israel The Hadassah Ein Kerem Medical Center Jerusalem

Sponsors (1)

Lead Sponsor Collaborator
Biobeat Technologies Ltd.

Country where clinical trial is conducted

Israel, 

Outcome

Type Measure Description Time frame Safety issue
Primary Accurate and comparable blood pressure measurement by BB-613 Blood pressure measurements using the PPG-based BB-613 device will be taken and compared to blood pressure measurements taken at the same time using the holter device HUGECARE NIBP Monitor, with the aim of showing they are comparable 24 hours per participant
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