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Hypoxic-Ischemic Encephalopathy Therapy Optimization in Neonates for Better Neuroprotection With Inhalative CO2 — HENRIC  

Perinatal Asphyxia Clinical Trial

Official title:
Hypoxic-Ischemic Encephalopathy Therapy Optimization for Better Neuroprotection With Inhalative CO2 in Asphyxiated, Cooled, Mechanically Ventilated Neonates at Risk for Hypocapnia

Clinical Trial Summary

This is a Phase I, open-label, single center trial to evaluate the feasibility and safety of low concentration CO2 gas mixture (5% CO2 + 95% air) inhalation in asphyxiated, cooled, mechanically ventilated newborns at risk of hypocapnia with The hypothesis is that hypocapnia, which is driven by hyperventilation in the presence of metabolic acidosis, is deleterious to the injured brain and can be safely avoided with low concentration CO2 inhalation.

Clinical Trial Description

Specific aims: 1. To test the feasibility of low concentration inhalative CO2 gas mixture (5% CO2 + 95% air) administration to achieve a desired range of pCO2 of 40-60 mmHg in asphyxiated, cooled, mechanically ventilated newborns at risk of hypocapnia with moderate to severe hypoxic-ischemic encephalopathy. 2. To test the safety of CO2 gas mixture (5% CO2 + 95% air) inhalation in asphyxiated, cooled, mechanically ventilated newborns at risk of hypocapnia with moderate to severe hypoxic-ischemic encephalopathy. Term infants (≥ 36 weeks of gestation) will have to be at risk of hypocapnia to be eligible, as defined by a temperature corrected pCO2 ≤ 40 mmHg in blood gas analysis, at any time within six hours of life. The gas mixture will be administered through patient circuits in conventional ventilators. Administered CO2 level will be closely monitored at the inhalation circuit (constant 5% = 36 mmHg). Blood gas samples will be taken hourly to ensure targeted and tolerable pCO2 levels. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02700854
Study type Interventional
Source Semmelweis University
Contact
Status Completed
Phase Phase 1
Start date February 2016
Completion date November 2019
View Details
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