- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04392089
Effects of Cardiovascular and Pulmonary Optimization on Cerebral Oxygenation in COVID-19 Patients With Severe ARDS (NIRS-COV)
Effects of Cardiovascular and Pulmonary Optimisation on Cerebral Oxygenation in COVID-19 Patients With Severe ARDS
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Mechanical ventilation is the cornerstone of supportive management for most ARDS patients to prevent life-threatening hypoxemia. Arterial oxygenation can be improved via ventilator by increasing fractional inspired oxygen (FiO2) and/or increasing mean airway pressure. When treating mechanically ventilated ARDS patients, the benefit of improved arterial oxygenation must be balanced against the potential risk of ventilator-induced lung injury (VILI), oxygen toxicity occurring with high FiO2 and development of right heart failure.
Arterial oxygen saturation target of 88-95 % and partial oxygen pressure (PaO2) target of 7.3-10.6 are advocated in the management of patients with ARDS. Surprisingly little randomized evidence exists to support these values and current recommendations are thus arbitrary and largely based on normal physiologic values.
Given the lack of evidence of strategies in oxygenating critically ill patients to an oxygen saturation and partial oxygen pressure that is generally accepted to be 'normal,' permissive hypoxemia may offer an alternative that has the potential to improve patient outcomes by avoiding unnecessary harm. Permissive hypoxemia is a concept in which a lower level of arterial oxygenation than usual is accepted in order to avoid the potentially detrimental effects of high fractional inspired oxygen and invasive mechanical ventilation with high pressures, while maintaining adequate oxygen delivery by optimizing cardiac output.
Pulse oximetry is a simple, non-invasive and universally used method to monitor peripheral oxygen saturation of hemoglobin in a variety of clinical settings. Pulse oximetry depends on pulsatile blood flow and only measures the oxyhemoglobin in arterial blood as it leaves the heart. However, this measure does not provide information regarding organ or tissue oxygenation, which reflects the important local balance between oxygen supply and demand.
Near-infrared spectroscopy (NIRS) allows for continuous measurement of regional tissue oxygenation which reflects perfusion status and enables clinicians to directly monitor fluctuations in real time. NIRS reflects the balance of oxygen that is delivered minus what is extracted at tissue level and is an indicator of the tissue oxygen uptake.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Ana-Marija Hristovska, MD, Ph.d.-student
- Phone Number: +4538625532
- Email: ana-marija.hristovska.02@regionh.dk
Study Locations
-
-
-
Copenhagen, Denmark
- Recruiting
- Hvidovre Hospital
-
Contact:
- Ana-Marija Hristovska, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age ≥ 18 years
- Verified COVID-19 infection (throat swab or tracheal aspirate positive for SARS-CoV-2)
- Severe ARDS according to Berlin definition
- Ventilator settings: Controlled IPPV, FiO2 > 0.70, PEEP > 10
- Norepinephrine infusion
- SVV < 10% measured by LiDCO
- RASS - 5
Exclusion Criteria:
- Any of the following contraindications to lung recruitment: pneumothorax, patients on ventilator > 1 week
- Patients with dark pigmented skin
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
COVID-19
Mechanically ventilated COVID-19 patients with severe ARDS included within 3 days from time of intubation
|
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in cerebral oxygenation (ScO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization: Step 0 = Baseline, Step 1 = Derecruitment, Step 2 = Recruitment, Step 3 = Norepinephrine challenge, Step 4 = FiO2 increase, Step 5 = FiO2 decrease, Step 6 = Baseline 2
|
1 hour
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in peripheral oxygen saturation (SatO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in systolic arterial pressure (SAP) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in diastolic arterial pressure (DAP) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in mean arterial pressure (MAP) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in heart rate (HR) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in stroke volume (SV) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in cardiac output (CO) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in systemic vascular resistance (SVR) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in peripheral perfussion index (PPI) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in pH during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in PaO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in PaCO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in arterial saturation (SaO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in PvO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in PvCO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in mixed venous saturation (SvO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in lacatate during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in hemoglobine concentration (Hb) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Changes in muscular oxygenation (SmO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and peripheral oxygen saturation (SatO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and systemic arterial pressure (SAP) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and diastolic arterial pressure (DAP) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and mean arterial pressure (MAP) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and stroke volume (SV) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and heart rate (HR) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and cardiac output (CO) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and systemic vascular resistance (SVR) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and peripheral perfussion index (PPI) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and pH during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and PaO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and PaCO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and arterial saturation (SaO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and PvO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and PvCO2 during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and mixed venous saturation (SvO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and lactate during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and hemoglobine concentration (Hb) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Association between cerebral oxygenation (ScO2) and muscular oxygenation (SmO2) during cardiovascular and pulmonary optimization
Time Frame: 1 hour
|
Cardiovascular and pulmonary optimization as described above
|
1 hour
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- H-20027818
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
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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