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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05397704
Other study ID # Pro00110458
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 10, 2022
Est. completion date November 15, 2022

Study information

Verified date August 2023
Source Cyban Pty Ltd
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the study is to calibrate and to validate the accuracy of the oximeter with an estimate of brain oxygen levels assessed by measuring arterial and internal jugular vein blood oxygen saturations.


Description:

The device is a non invasive NIRS monitor. It detects signals from which are derived venous and arterial blood brain oxygen levels. The device will be used as a adjunct monitor in patients with a brain injury or at risk of a brain injury. The primary objective of the study is to measure the absolute and relative accuracy of the StO2 device by comparing the NIRS-derived brain tissue oxygen saturation with blood-referenced CO-oximeter oxygen saturation values. The CO-oximeter oxygen saturation values from paired arterial and internal jugular venous blood gas samples are then inserted into a weighted-equation to derive the calculated brain tissue oxygen saturation. Accuracy is reported over a range of oxygen saturations with study subjects exposed to a controlled oxygen desaturation with serial sampling of paired arterial and internal jugular venous blood gas samples.


Recruitment information / eligibility

Status Completed
Enrollment 21
Est. completion date November 15, 2022
Est. primary completion date November 5, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - Healthy, male or female subjects between the ages of 18 to 45 years; - Completion of a health screening for a medical history by a licensed physician, nurse practitioner, or physician assistant; - Minimum weight 40kg; - BMI within range 18.0 - 35.0; - Assigned American Society of Anesthesiologists (ASA) Physical Status 1 by Principal Investigator or delegate Exclusion Criteria: - Prior or known allergies to lidocaine (or similar pharmacologic agents, e.g., Novocain) [self- reported]; - Prior known severe allergies to medical grade adhesive/tape (Band-Aid) [self-reported]; - Taking any medication other than birth control[self-reported]; - Is currently participating in, or has recently participated in (discontinued within 30 days prior to the hypoxia procedure for this study) in an investigational drug, device, or biologic study [self- reported]; - Has a negative Allen's Test to confirm non- patency of the collateral artery [clinical assessment by PI or delegate]; - Has made a whole blood donation or has had at least 450 ml of blood drawn within 8 weeks prior to the study procedure [self-reported]; - Is female with a positive pregnancy test [serum or urine], or is female and is unwilling to use effective birth control between the time of screening and study procedure or is breast feeding; - Has anemia [lab values specific for gender]; - Has heparin allergy - Has a history of sickle cell trait or thalassemia [self-reported]; - Has an abnormal hemoglobin electrophoresis result [lab measurement]; - Has a positive urine cotinine test or urine drug screen or oral ethanol test; - Has a room air saturation less than 95% by pulse oximetry [measurement by PI or delegate] - Has a clinically significant abnormal EKG [assessment by PI or delegate]; - Has a clinically significant abnormal pulmonary function test via spirometry [assessment by PI or delegate]; - Has a COHb greater than 3%, or MetHb greater than 2% [measured by venous blood sample co- oximetry].

Study Design


Related Conditions & MeSH terms


Intervention

Device:
brain pulse oximeter
brain oxygen monitoring during hypoxia

Locations

Country Name City State
United States Duke Hospital Human Pharmacology & Physiology Lab Durham North Carolina

Sponsors (2)

Lead Sponsor Collaborator
Cyban Pty Ltd Duke University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Accuracy of brain pulse oximeter Bland Altman analysis Data will be collected over a 90 minute period for each patient
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