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nCPAP-NAVA-Backup Versus Standard nCPAP for Severe Apnea in Preterm Infants ≤28 Weeks (NAVAPNEA)
Effect of nCPAP-NAVA-backup Mode Versus Standard nCPAP Mode on the Reduction of Severe Apnea in Preterm Infants ≤ 28 Weeks - a Crossover Trial
The goal of this clinical trial is to determine whether nasal continuous positive airway pressure (nCPAP) with neurally adjusted ventilatory assist (NAVA) backup ventilation (nCPAP-NAVA-backup mode) reduces the rate of severe apnea in extremely preterm infants ≤28 weeks' gestation compared with standard nasal continuous positive airway pressure (nCPAP mode). Severe apnea episodes is defined as breathing pause with oxygen levels ( SpO2) below 85% lasting at least 5 seconds and/or heart rate (HR) below 100 beats/minute lasting at least 5 seconds.
Each participant will receive both interventions in a randomized order, serving as their own control. The total duration of the intervention will be 24h. Each intervention period will last 12 hours. A washout period of 3 hours will be included between intervention periods to minimize potential carryover effects.
Randomized sequences to avoid order effects:
- Sequence A: nCPAP mode → nCPAP-NAVA-backup mode
- Sequence B: nCPAP-NAVA-backup mode →nCPAP mode
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Geneva, Zwitserland
- University hospital of Geneva
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Contact:
- Dimitra Papasavva
- E-mail: dimitra.papasavva@hug.ch
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- Born at ≤28 weeks gestational age
- Currently receiving nCPAP mode as part of routine care
- Receiving caffeine citrate at a maintenance dose of 10 mg/kg/day
- An average of ≥1 severe apnea per hour over a 6-hour period (apnea associated with SpO₂<85% during ≥ 5 seconds and/or HR <100 bpm during ≥ 5 seconds) or an average of >2 severe apnea per hour over a 2-hour period
- Written informed consent obtained from the legal representatives before inclusion.
Exclusion Criteria:
- Major congenital anomalies (e.g., congenital diaphragmatic hernia, significant cardiac malformations)
- Known genetic syndrome affecting respiratory function
- Immediate indication for endotracheal intubation or noninvasive ventilation (NIV)
- Parental refusal or withdrawal of consent
- Previous inclusion in the study
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Crossover-opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
|
Experimenteel: Sequence A: nCPAP then nCPAP-NAVA-Backup
Preterm infants randomized to receive 12 hours of standard nCPAP mode followed by 12 hours of nCPAP-NAVA-backup mode (total 24 hours) on a Servo-n ventilator. A 3-hour washout period at the start of each period is excluded from analysis. |
Standard nasal CPAP delivered via a Servo-n ventilator, with continuous monitoring of the electrical activity of the diaphragm (Edi) through an Edi catheter that also serves as the feeding tube. When an apnea exceeds the preset apnea time, pressure-controlled backup ventilation is triggered automatically. Backup and PEEP settings follow unit standards, and PEEP is kept constant throughout the study. Duration: 12 hours. Standard nasal CPAP delivered via nasal prongs or mask on the same Servo-n ventilator and circuit, with PEEP and FiO₂ managed according to standard clinical practice. Duration: 12 hours. |
|
Experimenteel: Sequence B: nCPAP-NAVA-backup then nCPAP
Preterm infants randomized to receive 12 hours of nCPAP-NAVA-backup mode followed by 12 hours of standard nCPAP mode (total 24 hours) on a Servo-n ventilator. A 3-hour washout period at the start of each period is excluded from analysis. |
Standard nasal CPAP delivered via a Servo-n ventilator, with continuous monitoring of the electrical activity of the diaphragm (Edi) through an Edi catheter that also serves as the feeding tube. When an apnea exceeds the preset apnea time, pressure-controlled backup ventilation is triggered automatically. Backup and PEEP settings follow unit standards, and PEEP is kept constant throughout the study. Duration: 12 hours. Standard nasal CPAP delivered via nasal prongs or mask on the same Servo-n ventilator and circuit, with PEEP and FiO₂ managed according to standard clinical practice. Duration: 12 hours. |
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Number of severe apnea episodes per 9-hour observation period
Tijdsspanne: Per 9-hour observation period
|
Number of severe apnea episodes per 9-hour observation period, defined as an apnea associated with oxygen desaturation (SpO₂ < 85%) lasting ≥ 5 seconds and/or bradycardia (Heart rate (HR) < 100 bpm) lasting ≥ 5 seconds |
Per 9-hour observation period
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Number of isolated oxygen desaturation episodes
Tijdsspanne: Per 9-hour observation period
|
SpO₂ < 85% for ≥ 5 seconds, not associated with a severe apnea episode |
Per 9-hour observation period
|
|
Number of isolated bradycardia episodes
Tijdsspanne: per 9-hour observation period
|
HR < 100 bpm for ≥ 5 seconds, not associated with a severe apnea episode |
per 9-hour observation period
|
|
Number of hyperoxia episodes (SpO₂ > 94% for ≥ 5 seconds)
Tijdsspanne: per 9-hour observation period
|
per 9-hour observation period
|
|
|
Percentage of time spent with SpO₂ < 85%
Tijdsspanne: per 9-hour observation period
|
per 9-hour observation period
|
|
|
Percentage of time spent with SpO₂ > 94%
Tijdsspanne: per 9-hour observation period
|
per 9-hour observation period
|
|
|
Percentage of time spent with HR < 100 bpm
Tijdsspanne: per 9-hour observation period
|
per 9-hour observation period
|
|
|
Number of apnea episodes requiring nurse intervention
Tijdsspanne: per 9-hour observation period
|
tactile stimulation and/or increase in FiO₂ |
per 9-hour observation period
|
|
Need for escalation of respiratory support during the observation period
Tijdsspanne: per 9-hour observation period
|
Defined as requirement for transition to non-invasive ventilation mode or endotracheal intubation |
per 9-hour observation period
|
|
Infant comfort assessed using the EDIN score (Échelle Douleur Inconfort Nouveau-Né)
Tijdsspanne: per 9-hour observation period
|
EDIN will be recorded every 3 hours (0-15), yielding up to 3 measurements per 9-hour observation period. The mean EDIN score over each observation period will be used |
per 9-hour observation period
|
|
Gastrointestinal tolerance
Tijdsspanne: per 9-hour observation period
|
Grade 1: good tolerance - enteral feeding maintained at prescribed volume with no significant gastric residuals ; Grade 2: moderate intolerance - enteral feeding volume reduced due to gastric residuals or clinical concern ;Grade 3: poor tolerance - enteral feeding discontinued with initiation of continuous gastric suctioning. The worst grade recorded during each 9-hour observation period will be used as the summary measure for analysis. |
per 9-hour observation period
|
Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
- Urogenitale ziekten
- Hart-en vaatziekten
- Pathologische processen
- Vrouwelijke urogenitale ziekten en zwangerschapscomplicaties
- Hartziekten
- Verloskundige arbeid, voortijdig
- Verloskundige arbeidscomplicaties
- Zwangerschap Complicaties
- Ziekten van de luchtwegen
- Aritmieën, hart
- Ademhalingsstoornissen
- Tekenen en symptomen, ademhaling
- Pathologische aandoeningen, tekenen en symptomen
- Tekenen en symptomen
- Voortijdige geboorte
- Apneu
- Bradycardie
Andere studie-ID-nummers
- 2026-00663
- HumRes (Andere identificatie: Human research in Switzerland)
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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