Pressure HIgh or LOw DElivered to Preterm Newborns in the Delivery ROOM (PHILODENDROOM)

A

ASST Fatebenefratelli Sacco

Status

Enrolling

Conditions

Respiratory Distress Syndrome in Premature Infant

Treatments

Behavioral: static CPAP 5 cmH2O
Behavioral: static CPAP 8 cmH2O

Study type

Interventional

Funder types

Other

Identifiers

NCT06123845
2018//ST/231

Details and patient eligibility

About

The aim of this randomized pilot clinical trial of preterm infants requiring noninvasive respiratory support for respiratory distress syndrome (RDS) at birth is to improve short-term respiratory outcomes. The main question it aims to answer is: * Can a CPAP (or a PEEP if ventilation is needed) administered with a face mask and a T-piece at a level of 8 cmH2O improve lung recruitment in the delivery room when compared to administration of a level of 5 cmH2O in a control group? * Secondly, can improved lung recruitment in the first few minutes of life provide long-term benefits to the premature infant? The participants will be premature infants between 26 and 29+6 weeks gestational age.

Full description

BACKGROUND: It has been widely demonstrated that noninvasive respiratory support (NIV) used in the delivery room can reduce the incidence of pulmonary bronchodysplasia (BPD) and death in very preterm infants weighting less than 1500 g. In this population, the use of CPAP immediately after birth during the respiratory stabilization in the delivery room has been shown to promote respiratory transition and promote the achievement of an initial adequate functional residual capacity (CFR). To date, various forms of delivery of additional pressures in the first minutes of life are being studied such as positive pressure ventilation (PPV), sustained inflation (SI), ventilation with dynamic increasing and decreasing levels of CPAP. However, there is no consensus on which pressure is the best and safest to apply and its optimal duration. This monocentric pilot study aims to verify in preterm infants (26-29+6 weeks EG) the feasibility, efficacy and safety of using two different levels of CPAP (5 vs 8 cmH2O - both of which are contemplated in international guidelines for the management of the premature infant) in the delivery room; it will also test the accuracy and usefulness of the data that can be recorded with an RFM as indices of oxygenation, spontaneous ventilation and therefore of early lung recruitment. The investigators hypothesize that a higher CPAP level (8 cmH2O) for the first 15 minutes of life may lead to faster and more effective lung recruitment. Statistical calculation The investigators use, as an index of early lung recruitment and as the primary outcome of the study, the SpO2/FiO2 (S/F) ratio as reported in the literature. The investigators calculated that the mean of this value at the end of the early phase of lung recruitment in the delivery room, in an historical local population of premature infants is 271+/-140. Wanting to improve this ratio, and thinking that it is possible to bring it to an average value of 316, (this goal can be achieved by reducing the need for Oxygen in the DR by about 0.05), it was calculated that with alpha=0.05 and beta=0.20 (study power of 80%), the number of patients to be enrolled is equal to 152 infants for each of the two main arms of the study. Given the large size of the sample, for which the involvement of numerous Level III neonatology centers, the investigators considered appropriate to undertake a pilot study to verify its feasibility, enrollment time, costs and moreover to assess and verify proper monitoring with a respiratory Function Monitor (RFM) and the possibility to improve the assessment of primary and secondary outcomes in the final large-scale designed study. To calculate the sample size of the pilot study, the investigators applied the method of calculation described and published by Cocks T. et al in 2013, considering an upper confidence limit of 90%. It was calculated an enrollment of a total of 56 infants (18% of the main study's sample size), or 28 infants for each of the two arms of the study. In the investigator's Neonatologic Center a maximum of 20 patients per year could realistically be enrolled. It was therefore necessary to involve other centers in this study that had equally the ability and experience in using this equipments in the delivery room. A Neonatal Intensive Care Unit in Canada, which had initially given willingness to participate in the study was later on stopped because of the occurrence of the covid pandemic. Other centers may be involved at a later date for the main study.

Enrollment

56 estimated patients

Sex

All

Ages

26 to 30 weeks old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Preterm infants at birth between 26 and 29+6 weeks gestational age with Respiratory distress syndrome requiring non invasive respiratory support

Exclusion criteria

  • Congenital anomalies

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

56 participants in 2 patient groups

CPAP 8
Experimental group
Description:
Upon arrival of the infant on the neonatal resuscitation trolley, start the normal standard procedures required by international protocols (e.g., drying, temperature control measures, placement of pulse-oximeter sensor to the right hand or wrist, etc.). Immediately start CPAP application with mask and T-piece: the CPAP level will be set at 8 cmH2O. Perform gentle tactile stimulation if the child is not breathing in appropriately. Place the pulse-oximeter sensor on the right hand then connect it to the oxymeter previously turned on. Assess breathing and HR for 30 seconds. Perform the next step of the flow-chart of resuscitation in the delivery room according to the Neonatal Resuscitation Program guidelines. If positive pressure ventilation (PPV) is required (in case of persistent bradycardia or apnea), maintain PEEP at 8 cm H2O and an initial PIP of 25 cm H2O. The CPAP level will be reduced to 6 cm H2O after 15 minutes of life, then the recording will be discontinued.
Treatment:
Behavioral: static CPAP 8 cmH2O
CPAP 5
Active Comparator group
Description:
Upon arrival of the infant on the neonatal resuscitation trolley, start the normal standard procedures required by international protocols (e.g., drying, temperature control measures, placement of pulse-oximeter sensor to the right hand or wrist, etc.). Immediately start CPAP application with mask and T-piece: the CPAP level will be set at 5 cmH2O. Perform gentle tactile stimulation if the child is not breathing in appropriately. Place the pulse-oximeter sensor on the right hand then connect it to the oxymeter previously turned on. Assess breathing and HR for 30 seconds. Perform the next step of the flow-chart of resuscitation in the delivery room according to the Neonatal Resuscitation Program guidelines. If positive pressure ventilation (PPV) is required (in case of persistent bradycardia or apnea), maintain PEEP at 5 cm H2O and an initial PIP of 25 cm H2O. The CPAP level will be raised to 6 cm H2O after 15 minutes of life, then the recording will be discontinued.
Treatment:
Behavioral: static CPAP 5 cmH2O

Trial contacts and locations

1

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Central trial contact

Francesco Cavigioli, MD

Data sourced from clinicaltrials.gov

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