- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05356754
VL-3 Training Study
PROSPECTIVE STUDY EVALUATING THE VITAL LABS DIGITAL BLOOD PRESSURE MONITOR (VLDBPM)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a prospective, controlled, single-arm clinical evaluation. Five hundred thirty-two (532) subjects are planned to be evaluated. Each subject's blood pressure will be measured using the VLDBPM and manual auscultation. Each subject will be observed while undergoing a series of blood pressure perturbation challenges. Means measurement differences from the test sensor and the reference auscultation measurements will be used to validate the accuracy of the VDBPM software system.
Screening data will be reviewed to determine subject eligibility. Subjects who meet all inclusion criteria and none of the exclusion criteria will be entered into the study.
Total duration of subject participation will be 1 to 1.5 hours. Total duration of the study is expected to be 6 months.
Following medical history and patient eligibility assessments, eligible patients will be offered participation in the study. Once subjects are consented/enrolled, measurements will be performed in accordance with Data Collection Procedure section below.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
California
-
San Francisco, California, United States, 94143
- University of California San Francisco
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Walnut Creek, California, United States, 94398
- Diablo Clinical Research
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Colorado
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Aurora, Colorado, United States, 80045
- University of Colorado Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female ≥18 and ≤ 85 years of age at the Baseline Visit.
- Written informed consent obtained from subject or subject's legal representative and ability for subject to comply with the requirements of the study.
- A minimum of 30% of the data will be derived from male subjects; and a minimum of 30% of the data will be derived from female subjects.
- A minimum of 50 participants will have dark skin types, as defined by the Fitzpatrick Skin Type classification V or VI.
- Also, at least 10 participants should exhibit finger calluses, found typically on individuals who play stringed instruments frequently.
Exclusion Criteria:
1. Pregnant and/or breastfeeding. 2. Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient or the quality of the data.
3. Are unable or unwilling to undergo all assessments associated with the study.
4. Have a history of poor quality or difficulty performing auscultation measurements.
5. Subjects shall be excluded if the Korotkoff sound [fifth phase (K5)] is not audible 6. Subjects with vascular implants in the arm of measurement, such as those used for dialysis 7. Subject suffering from a medical condition prohibiting blood flow occlusion in either arms.
8. Pre-existing conditions that may interfere with the accuracy or interpretation of auscultatory readings, such as aortic coarctation, arterial-venous malformation, occlusive arterial disease, or the presence of an antecubital bruit.
9. Subjects who have known allergies to nitroglycerin (for subjects undergoing the nitroglycerin challenge).
10. Subjects who have taken short acting nitroglycerin within 4 hours of the scheduled study. Such studies will be deferred for at least 4 hours.
11. Subjects who have taken long acting nitroglycerin within 8 hours of the scheduled study. Such studies will be deferred for at least 8 hours.
12. Subjects with pericardial tamponade, restrictive cardiomyopathy, or constrictive pericarditis, or cardiac output is dependent upon venous return
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: The Vital Labs Digital Blood Pressure Monitor
The Vital Labs Digital Blood Pressure monitor is a software-as-a-medical device (SaMD) that is capable of determining blood pressure, after calibration, using waveform changes observed in photoplethysmogram signals.
The VLDBPM captures PPG signals using the existing camera systems on iPhones.
These PPG signals are normalized and processed to determine markers of blood pressure change.
These markers, when transformed using a predetermined model, are capable of determining blood pressure changes from a known (calibration) set-point.
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The Vital Labs Digital Blood Pressure monitor is a software-as-a-medical device (SaMD) that is capable of determining blood pressure, after calibration, using waveform changes observed in photoplethysmogram signals.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Mean difference between BP measures
Time Frame: Baseline
|
Primary efficacy
|
Baseline
|
Standard deviation of differences between BP measures
Time Frame: Baseline
|
Primary Efficacy
|
Baseline
|
Mean difference between BP measures
Time Frame: 1.5 hours
|
Primary efficacy
|
1.5 hours
|
Standard deviation of differences between BP measures
Time Frame: 1.5 hours
|
Primary Efficacy
|
1.5 hours
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CP-0001
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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