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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05493527
Other study ID # MD 90/2020
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date February 1, 2021
Est. completion date August 30, 2022

Study information

Verified date August 2022
Source Ain Shams University
Contact Sondos Ahmed
Phone 0109440704
Email sondosahmedsalah@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A randomized controlled trial comparing Noninvasive high frequency oscillatory ventilation (NHFOV) and Noninvasive positive pressure ventilation (NIPPV) as post-extubation respiratory support in preterm neonates with respiratory distress syndrome(RDS)


Description:

The use of noninvasive respiratory support (NRS) has increased in recent decades in Neonatal Intensive Care Unit (NICU) as a means to reduce ventilator-induced lung injury. Various modes of NRS are available and in common use. However despite extensive research, the optimal modality of noninvasive modes remain unknown. Noninvasive high-frequency oscillatory ventilation (NHFOV) is a relatively new mode. It consists of the application of a continuous distending positive pressure with superimposed oscillations. It is a method of augmenting Continuous positive airway pressure (CPAP) support potentially combining the advantages of both high-frequency oscillatory ventilation and CPAP. The new NHFOV technique offers improved carbon dioxide (CO2) removal and increased functional residual capacity. The superimposed oscillations of NHFOV are thought to help avoid gas trapping and upregulate mean airway pressure. This technique is also characterized by lower tidal volume resulting in fewer barotraumas /volutraumas and not needing synchronization. NHFOV was considered a strengthened version of CPAP. The hypothesis is that NHFOV might be superior to NIPPV as a post-extubation respiratory support strategy to avoid reintubation and subsequent complications and/or sequelae in preterm infants.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date August 30, 2022
Est. primary completion date August 15, 2022
Accepts healthy volunteers No
Gender All
Age group 1 Minute to 1 Month
Eligibility Inclusion Criteria: 1. Preterm neonates with gestational age = 35 weeks. 2. Neonates that were on invasive mechanical ventilation for at least 48 hours eligible for extubation Exclusion Criteria: 1. Patients with major upper or lower airway anomalies. 2. Patients with significant congenital anomalies including cardiac, abdominal or respiratory.

Study Design


Intervention

Device:
noninvasive high frequency oscillatory ventilation
A time-cycled, pressure-limited, and continuous-flow neonatal ventilator (SLE6000; SLE) was used for neonates assigned to the NHFOV group. The settings were as follows: a frequency of 10 Hertz ( range, 8-12 Hz); an inspiratory time of 50% (1:1) an oscillation amplitude of 35 centimeter of water column (cmH2O) (subsequent regulation range, 20-40 cmH2O) Oscillation amplitude would be regulated according to the level of carbon dioxide(CO2). Visible chest oscillation was not necessary because elimination of CO2 during NHFOV could also occur in the upper respiratory airway dead space Mean airway pressure (MAP) of 10 cm H2O ( range, 7-15) MAP was regulated according to an open lung recruitment strategy fraction of inspired oxygen (FIO2) regulated from 0.21 to 0.40 in order to maintain saturation from 90% to 95% as determined with a pulse oximeter.
noninvasive positive pressure ventilation
NIPPV will be delivered by ventilator generating the targeted pressures. Infants will be on: Peep ranging from 5 to 10 cmH2O, Peak inspiratory pressure range 15-25 cmH2O Rate range 40-50 breath/minute FIO2 regulated from 0.21 to 0.40 in order to maintain saturation from 90% to 95% as determined with a pulse oximeter.

Locations

Country Name City State
Egypt Neonatal Intensive Care Units (NICUs), Ain Shams University Cairo Abbasia

Sponsors (1)

Lead Sponsor Collaborator
Ain Shams University

Country where clinical trial is conducted

Egypt, 

Outcome

Type Measure Description Time frame Safety issue
Primary Re-intubation rate Percentage of Patients who failed weaning on the assigned noninvasive mode and needed reintubation to the total number of patients assigned to that mode. 72 hours
Secondary Days on the assigned non-invasive respiratory support To document number of days on the assigned non-invasive respiratory support 8 weeks or till patient discharge which comes first
Secondary Days on supplemental oxygen To document number of days on supplemental oxygen 8 weeks or till patient discharge which comes first
Secondary Duration of admission To document total number of days of admission 8 weeks or till patient discharge which comes first
Secondary Mortality rate To document incidence of mortality during hospitalization 8 weeks or till patient death which comes first
Secondary Lung ultrasound score lung ultrasound was performed to all patients before extubation and 2 hours after extubation to assess lung aeration. Score ranges from 0 to 18 .Higher score indicates worse lung aeration. Before extubation and after 2 hours on assigned mode
Secondary Co2 change Co2 change in patients on assigned mode using venous blood gases performed before extubation and 2 hours after. Before extubation and after 2 hours on assigned mode
Secondary Oxygen requirement Fraction of inspired oxygen required to patients on assigned mode Before extubation and after 2 hours on assigned mode
Secondary Incidence of feeding intolerance Percentage of Patients who developed feeding intolerance on the assigned noninvasive mode to the total number of patients assigned to that mode. 8 weeks or till patient weaning from assigned mode which comes first
Secondary Days to reach full intake Number of days needed by each patient to reach full intake 8 weeks or till patient discharge which comes first
Secondary Intracranial hemorrhage Percentage of patients developing intracranial hemorrhage on the assigned noninvasive mode to the total number of patients assigned to that mode. 8 weeks or till patient weaning from assigned mode which comes first
Secondary Pneumothorax Percentage of patients developing pneumothorax on the assigned noninvasive mode to the total number of patients assigned to that mode. 8 weeks or till patient weaning from assigned mode which comes first
Secondary Incidence of occurrence of Nasal trauma Percentage of patients developing nasal trauma on the assigned noninvasive mode to the total number of patients assigned to that mode. 8 weeks or till patient weaning from assigned mode which comes first
Secondary incidence of bronchopulmonary dysplasia Need for supplemental oxygen for at least 28 days, percentage of these patients on the assigned noninvasive mode to the total number of patients assigned to that mode. 8 weeks or till patient discharge which comes first
Secondary Severity of respiratory distress Assessment of work of breathing on assigned mode by Downe 's score. Score ranges from 0 till 10 . Higher score indicates worse work of breathing. Before extubation and and after 2 hours on assigned mode
Secondary Need for Postnatal Steroids Percentage of patients who needed postnatal steroids administration 8 weeks or till patient discharge which comes first
Secondary Chest x ray change Chest x ray grading of RDS performed to patient before and after the assigned mode to compare lung aeration degree. Before extubation and and after 2 hours on assigned mode
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