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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04445961
Other study ID # COVID-VENT
Secondary ID
Status Completed
Phase
First received
Last updated
Start date May 1, 2020
Est. completion date August 14, 2020

Study information

Verified date June 2020
Source I.M. Sechenov First Moscow State Medical University
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Data on respiratory mechanics and gas exchange in acute respiratory failure in COVID-19 patients is limited. Knowledge of respiratory mechanics and gas exchange in COVID-19 can lead to different selection of mechanical ventilation strategy, reduce ventilator-associated lung injury and improve outcomes. The objective of the study is to evaluate the respiratory mechanics, lung recruitability and gas exchange in COVID-19 -associated acute respiratory failure during the whole course of mechanical ventilation - invasive or non-invasive.


Description:

In December 2019, an outbreak of a novel coronavirus (SARS-CoV-2) emerged in Wuhan, China and rapidly spread worldwide. The World Health Organization (WHO) declared the outbreak a pandemic on March 11th, 2020. The clinical disease (COVID-19) results in critical illness in about 5% of patients with predominant acute respiratory failure.

The goal of the study is the evaluation of the respiratory mechanics (peak inspiratory pressure (PIP), plateau pressure (Pplat), static compliance (Cstat), driving pressure (DP) at different positive end-expiratory pressure (PEEP) levels and different tidal volumes (Vt) (6-8 ml/kg ideal body weight), lung recruitability (by change of DP and oxygenation) and gas exchange (PaO2/FiO2 ratio and alveolar dead space) in COVID-19 -associated acute respiratory failure during the whole course of mechanical ventilation - invasive or non-invasive for selection of safe and effective PEEP level, Vt, respiratory rate (RR) and inspiratory oxygen fraction (FiO2) during the whole course of mechanical ventilation - invasive or non-invasive.

This study is multicentral observational trial in 3 University clinics.


Recruitment information / eligibility

Status Completed
Enrollment 117
Est. completion date August 14, 2020
Est. primary completion date August 14, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years to 90 Years
Eligibility Inclusion Criteria:

- all patients with COVID-19 and acute respiratory failure on invasive and noninvasive ventilation

Exclusion Criteria:

- Patients who reached the following goals at conventional oxygen therapy (oxygen flow < 15 l/min): peripheral capillary oxygen saturation(SpO2) > 93%, no visible work of auxiliary respiratory muscles, no fatigue, stable hemodynamics (no need in any catecholamines and/or life-threatening heart rhythm abnormalities),

- less than 24 ours in intensive care unit (ICU) by any reason,

- lung emphysema,

- primary lung diseases (chronic obstructive lung disease-COPD, interstitial lung diseases, etc) or tumour metastases in lungs,

- chronic decompensated diseases with extrapulmonary organ dysfunction (tumour progression, liver cirrhosis, congestive heart failure),

- atonic coma.

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Respiratory mechanics measurement
Measurement of peak inspiratory pressure, plateau pressure, calculation of static compliance and driving pressure
Gas exchange measurement
Measurement of arterial oxygen and tension and arterial dioxide tension, calculation of arterial partial oxygen tension to inspiratory oxygen fraction (PaO2/FiO2) ratio and alveolar dead space

Locations

Country Name City State
Russian Federation Sechenov University Clinic #1 Moscow
Russian Federation Sechenov University Clinic #3 Moscow
Russian Federation Sechenov University Clinic #4 Moscow

Sponsors (1)

Lead Sponsor Collaborator
I.M. Sechenov First Moscow State Medical University

Country where clinical trial is conducted

Russian Federation, 

References & Publications (4)

Amato MB, Meade MO, Slutsky AS, Brochard L, Costa EL, Schoenfeld DA, Stewart TE, Briel M, Talmor D, Mercat A, Richard JC, Carvalho CR, Brower RG. Driving pressure and survival in the acute respiratory distress syndrome. N Engl J Med. 2015 Feb 19;372(8):747-55. doi: 10.1056/NEJMsa1410639. — View Citation

Gattinoni L, Chiumello D, Caironi P, Busana M, Romitti F, Brazzi L, Camporota L. COVID-19 pneumonia: different respiratory treatments for different phenotypes? Intensive Care Med. 2020 Jun;46(6):1099-1102. doi: 10.1007/s00134-020-06033-2. Epub 2020 Apr 14 — View Citation

Toufen Junior C, De Santis Santiago RR, Hirota AS, Carvalho ARS, Gomes S, Amato MBP, Carvalho CRR. Driving pressure and long-term outcomes in moderate/severe acute respiratory distress syndrome. Ann Intensive Care. 2018 Dec 7;8(1):119. doi: 10.1186/s13613 — View Citation

Wang D, Hu B, Hu C, Zhu F, Liu X, Zhang J, Wang B, Xiang H, Cheng Z, Xiong Y, Zhao Y, Li Y, Wang X, Peng Z. Clinical Characteristics of 138 Hospitalized Patients With 2019 Novel Coronavirus-Infected Pneumonia in Wuhan, China. JAMA. 2020 Feb 7. doi: 10.100 — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Optimum positive end-expiratory pressure (PEEP) level Positive end-expiratory pressure (PEEP) selection at minimum level with maximum static compliance and the highest peripheral capillary oxygen saturation over fraction of inspired oxygen (SpO2/FiO2) On day 1 during mechanical ventilation
Primary Optimum positive end-expiratory pressure (PEEP) level Positive end-expiratory pressure (PEEP) selection at minimum level with maximum static compliance and the highest peripheral capillary oxygen saturation over fraction of inspired oxygen (SpO2/FiO2) On day 7 during mechanical ventilation
Primary Number of patients with recruitable lung Peripheral capillary oxygen saturation (SpO2) change from 90% after recruitment maneuver (doubled tidal volume for 15 respiratory cycles) - if peripheral capillary oxygen saturation (SpO2) after recruitment maneuver more than 95%-recruitable On day 1 during mechanical ventilation
Primary Number of patients with recruitable lung Peripheral capillary oxygen saturation (SpO2) change from 90% after recruitment maneuver (doubled tidal volume for 15 respiratory cycles) - if peripheral capillary oxygen saturation (SpO2) after recruitment maneuver more than 95%-recruitable On day 7 during mechanical ventilation
Secondary Change in alveolar dead space Calculation of the alveolar dead space using end-tidal carbon dioxide measurement and arterial carbon dioxide tension measurement On day 1, 3, 5, 7, 10, 14, 21 during mechanical ventilation
Secondary Change in plethysmogram variability during recruitment maneuver Measurement of plethysmogram variability before and during recruitment maneuver On day 1, 3, 5, 7, 10, 14, 21 during mechanical ventilation
Secondary Change in arterial partial oxygen tension to inspiratory oxygen fraction (PaO2/FiO2) ratio Calculation of the arterial partial oxygen tension to inspiratory oxygen fraction (PaO2/FiO2) ratio using arterial oxygen tension measurement On day 1, 3, 5, 7, 10, 14, 21 during mechanical ventilation
Secondary Optimum positive end-expiratory pressure (PEEP) level Positive end-expiratory pressure (PEEP) selection at minimum level with maximum static compliance and the highest peripheral capillary oxygen saturation over fraction of inspired oxygen (SpO2/FiO2) On day 3, 5, 10, 14, 21 during mechanical ventilation
Secondary Change in driving pressure with different positive end-expiratory pressure (PEEP) levels Driving pressure calculation at different positive end-expiratory pressure (PEEP) levels (8, 10, 12, 14) On day 1, 3, 5, 7, 10, 14, 21 during mechanical ventilation
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