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nCPAP-NAVA-Backup Versus Standard nCPAP for Severe Apnea in Preterm Infants ≤28 Weeks (NAVAPNEA)

3. november 2026 oppdatert av: Dimitra Papasavva, University Hospital, Geneva

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

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

25

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Barn
  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

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

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Crossover-oppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: 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.

Eksperimentell: 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.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Number of severe apnea episodes per 9-hour observation period
Tidsramme: 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

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Number of isolated oxygen desaturation episodes
Tidsramme: 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
Tidsramme: 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)
Tidsramme: per 9-hour observation period
per 9-hour observation period
Percentage of time spent with SpO₂ < 85%
Tidsramme: per 9-hour observation period
per 9-hour observation period
Percentage of time spent with SpO₂ > 94%
Tidsramme: per 9-hour observation period
per 9-hour observation period
Percentage of time spent with HR < 100 bpm
Tidsramme: per 9-hour observation period
per 9-hour observation period
Number of apnea episodes requiring nurse intervention
Tidsramme: 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
Tidsramme: 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)
Tidsramme: 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
Tidsramme: 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

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. desember 2026

Primær fullføring (Antatt)

1. desember 2028

Studiet fullført (Antatt)

1. desember 2028

Datoer for studieregistrering

Først innsendt

28. oktober 2026

Først innsendt som oppfylte QC-kriteriene

3. november 2026

Først lagt ut (Faktiske)

6. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

6. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

3. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • 2026-00663
  • HumRes (Annen identifikator: Human research in Switzerland)

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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