Automated Versus Manual Oxygen Control in Preterm Babies on Respiratory Support
NCT ID: NCT06622161
Last Updated: 2025-09-30
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
26 participants
INTERVENTIONAL
2024-10-03
2025-08-13
Brief Summary
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At the Aga Khan University Hospital (AKUH) investigators have included SLE 6000 (SLE, Croydon, UK) ventilators in their NICU (neonatal intensive care unit) which have automated oxygen control device "Oxygenie" that continuously adjusts FiO2 (fraction of inspired oxygen) of the patient to keep SpO2 in the target range, avoiding abnormal oxygen levels. This also reduces the workload on staff and improves patient care. Investigators usually put preterm babies on these ventilators so that SpO2 can be kept most of the time in the target range. When the OxyGenie and SpO2 monitoring are added to the SLE 6000 ventilator, it becomes possible to accurately regulate and deliver closed loop oxygen to preterm infants. This automated oxygen control system limits episodes of both hypoxia and hyperoxia by using the VDL 1.1 algorithm that uses an adaptive Proportional-Integral-Derivative (PID) algorithm to control the FiO2 adjustments in response to changes in SpO2. This keeps SpO2 within a target range (TR) which user selects. A randomized crossover trial comparing two devices for automated oxygen control in preterm infants included the SLE 6000 ventilator as one of its devices.
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Detailed Description
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Block randomization will be done to randomize the babies. SLE 6000 ventilators will be used, and settings will be adjusted by the clinical team as per the clinical condition of the baby.
The Radical neonatal pulse oximeter (Masimo) is used to automatically adjust FiO2 in order to maintain SpO2 within a designated target range. Before turning on oxygen, FiO2 is manually adjusted to achieve SpO2 in the target range. Once stable SpO2 is achieved in TR, oxygen is turned on, which then adjusts FiO2 to keep SpO2 within target range. The FiO2 changes and their frequency are determined by the SpO2 trend, whether the SpO2 is above, below, or within the target range, and all changes are proportionate to the baseline FiO2 level. The pulse oximeter's settings will include normal sensitivity, an average time of 2-4 seconds, a 20-second alarm delay, and an alarm limit of 89% and 95% SpO2. Whenever feasible, the right wrist is used to apply the Masimo neonatal probe. The user will be advised on screen if the SpO2 signal will be lost. Oxygenie would display in blue, waiting for a signal, and would remain on the current FiO2 value for the first 60 seconds. After this point, if the SpO2 is within TR, it will continue at the current FiO2 level. If the SpO2 is above the TR and the FiO2 is 10% above the reference range, it will slowly decrease to the reference value. If SpO2 is below TR and FiO2 is more than 5% below the reference FiO2, then it will slowly increase to the reference level. The reference FiO2 value is updated every 30 minutes and is based on the last 60-minute average.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
NONE
Study Groups
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"automated oxygen,"
Preterm babies will be kept on the SLE 6000 ventilator for 12 hours, where an automated oxygen device called "oxygenie" will be used to automatically adjust FiO2 to keep SpO2 within the target range. After 12 hours, the other group will be kept on this arm for 12 hours.
automated oxygen vs manual oxygen
Patient characteristics, ventilator, and blood gas parameters at the time of study will be shown in Tabular form. At the start of the study, half of the babies will be randomly assigned to a manual 12-hour period where a bedside nurse will adjust the FiO2 of the baby according to SpO2 levels, and half of the babies to an automated 12-hour period where Oxygenie will adjust FiO2 according to target SpO2 levels. After 12 hours, they will be shifted to contralateral intervention. The ventilator parameters (peak inspiratory pressure, positive end expiratory pressure, and rate) will be compared between the automated and manual 12-hour periods. The amount of time spent within different ranges of SpO2 will also be measured and shown in tabular form.
"manual oxygen"
Preterm babies will be kept on the SLE 6000 ventilator for 12 hours, where manual FiO2 adjustment by the bedside staff nurse will be used to keep SpO2 within the target range. After 12 hours, the other group will be kept on this arm for 12 hours.
automated oxygen vs manual oxygen
Patient characteristics, ventilator, and blood gas parameters at the time of study will be shown in Tabular form. At the start of the study, half of the babies will be randomly assigned to a manual 12-hour period where a bedside nurse will adjust the FiO2 of the baby according to SpO2 levels, and half of the babies to an automated 12-hour period where Oxygenie will adjust FiO2 according to target SpO2 levels. After 12 hours, they will be shifted to contralateral intervention. The ventilator parameters (peak inspiratory pressure, positive end expiratory pressure, and rate) will be compared between the automated and manual 12-hour periods. The amount of time spent within different ranges of SpO2 will also be measured and shown in tabular form.
Interventions
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automated oxygen vs manual oxygen
Patient characteristics, ventilator, and blood gas parameters at the time of study will be shown in Tabular form. At the start of the study, half of the babies will be randomly assigned to a manual 12-hour period where a bedside nurse will adjust the FiO2 of the baby according to SpO2 levels, and half of the babies to an automated 12-hour period where Oxygenie will adjust FiO2 according to target SpO2 levels. After 12 hours, they will be shifted to contralateral intervention. The ventilator parameters (peak inspiratory pressure, positive end expiratory pressure, and rate) will be compared between the automated and manual 12-hour periods. The amount of time spent within different ranges of SpO2 will also be measured and shown in tabular form.
Eligibility Criteria
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Inclusion Criteria
Preterm babies will be included in the study if they will meet all the following criteria:
* Receiving respiratory support via mechanical ventilation, either non-invasive or invasive
* Receiving supplemental oxygen at the time of inclusion
* Written informed parental consent
Exclusion Criteria
* Resuscitation and termination of mechanical ventilation during the study
* Withdrawal of parent consent
13 Weeks
ALL
No
Sponsors
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Aga Khan University Hospital, Pakistan
OTHER
Responsible Party
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Ali Shabbir Hussain
Assistant Professor & Section Head NICU
Principal Investigators
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Ali Shabbir Hussain
Role: PRINCIPAL_INVESTIGATOR
Aga Khan University Hospital, Karachi, Pakistan
Locations
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Aga Khan University Hospital
Karachi, Sindh, Pakistan
Countries
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References
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Johnston ED, Boyle B, Juszczak E, King A, Brocklehurst P, Stenson BJ. Oxygen targeting in preterm infants using the Masimo SET Radical pulse oximeter. Arch Dis Child Fetal Neonatal Ed. 2011 Nov;96(6):F429-33. doi: 10.1136/adc.2010.206011. Epub 2011 Mar 6.
van Kaam AH, Hummler HD, Wilinska M, Swietlinski J, Lal MK, te Pas AB, Lista G, Gupta S, Fajardo CA, Onland W, Waitz M, Warakomska M, Cavigioli F, Bancalari E, Claure N, Bachman TE. Automated versus Manual Oxygen Control with Different Saturation Targets and Modes of Respiratory Support in Preterm Infants. J Pediatr. 2015 Sep;167(3):545-50.e1-2. doi: 10.1016/j.jpeds.2015.06.012. Epub 2015 Jul 2.
Stoll BJ, Hansen NI, Bell EF, Shankaran S, Laptook AR, Walsh MC, Hale EC, Newman NS, Schibler K, Carlo WA, Kennedy KA, Poindexter BB, Finer NN, Ehrenkranz RA, Duara S, Sanchez PJ, O'Shea TM, Goldberg RN, Van Meurs KP, Faix RG, Phelps DL, Frantz ID 3rd, Watterberg KL, Saha S, Das A, Higgins RD; Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network. Neonatal outcomes of extremely preterm infants from the NICHD Neonatal Research Network. Pediatrics. 2010 Sep;126(3):443-56. doi: 10.1542/peds.2009-2959. Epub 2010 Aug 23.
SUPPORT Study Group of the Eunice Kennedy Shriver NICHD Neonatal Research Network; Carlo WA, Finer NN, Walsh MC, Rich W, Gantz MG, Laptook AR, Yoder BA, Faix RG, Das A, Poole WK, Schibler K, Newman NS, Ambalavanan N, Frantz ID 3rd, Piazza AJ, Sanchez PJ, Morris BH, Laroia N, Phelps DL, Poindexter BB, Cotten CM, Van Meurs KP, Duara S, Narendran V, Sood BG, O'Shea TM, Bell EF, Ehrenkranz RA, Watterberg KL, Higgins RD. Target ranges of oxygen saturation in extremely preterm infants. N Engl J Med. 2010 May 27;362(21):1959-69. doi: 10.1056/NEJMoa0911781. Epub 2010 May 16.
Stenson B, Brocklehurst P, Tarnow-Mordi W; U.K. BOOST II trial; Australian BOOST II trial; New Zealand BOOST II trial. Increased 36-week survival with high oxygen saturation target in extremely preterm infants. N Engl J Med. 2011 Apr 28;364(17):1680-2. doi: 10.1056/NEJMc1101319. No abstract available.
Laptook AR, Salhab W, Allen J, Saha S, Walsh M. Pulse oximetry in very low birth weight infants: can oxygen saturation be maintained in the desired range? J Perinatol. 2006 Jun;26(6):337-41. doi: 10.1038/sj.jp.7211500.
Hagadorn JI, Furey AM, Nghiem TH, Schmid CH, Phelps DL, Pillers DA, Cole CH; AVIOx Study Group. Achieved versus intended pulse oximeter saturation in infants born less than 28 weeks' gestation: the AVIOx study. Pediatrics. 2006 Oct;118(4):1574-82. doi: 10.1542/peds.2005-0413.
Salverda HH, Oldenburger NJ, Rijken M, Pauws SC, Dargaville PA, Te Pas AB. The effect of automated oxygen control on clinical outcomes in preterm infants: a pre- and post-implementation cohort study. Eur J Pediatr. 2021 Jul;180(7):2107-2113. doi: 10.1007/s00431-021-03982-8. Epub 2021 Feb 23.
Dargaville PA, Sadeghi Fathabadi O, Plottier GK, Lim K, Wheeler KI, Jayakar R, Gale TJ. Development and preclinical testing of an adaptive algorithm for automated control of inspired oxygen in the preterm infant. Arch Dis Child Fetal Neonatal Ed. 2017 Jan;102(1):F31-F36. doi: 10.1136/archdischild-2016-310650. Epub 2016 Sep 15.
Gajdos M, Waitz M, Mendler MR, Braun W, Hummler H. Effects of a new device for automated closed loop control of inspired oxygen concentration on fluctuations of arterial and different regional organ tissue oxygen saturations in preterm infants. Arch Dis Child Fetal Neonatal Ed. 2019 Jul;104(4):F360-F365. doi: 10.1136/archdischild-2018-314769. Epub 2018 Aug 28.
Salverda HH, Cramer SJE, Witlox RSGM, Gale TJ, Dargaville PA, Pauws SC, Te Pas AB. Comparison of two devices for automated oxygen control in preterm infants: a randomised crossover trial. Arch Dis Child Fetal Neonatal Ed. 2022 Jan;107(1):20-25. doi: 10.1136/archdischild-2020-321387. Epub 2021 Jun 10.
Sweet DG, Carnielli V, Greisen G, Hallman M, Ozek E, Te Pas A, Plavka R, Roehr CC, Saugstad OD, Simeoni U, Speer CP, Vento M, Visser GHA, Halliday HL. European Consensus Guidelines on the Management of Respiratory Distress Syndrome - 2019 Update. Neonatology. 2019;115(4):432-450. doi: 10.1159/000499361. Epub 2019 Apr 11.
Reynolds PR, Miller TL, Volakis LI, Holland N, Dungan GC, Roehr CC, Ives K. Randomised cross-over study of automated oxygen control for preterm infants receiving nasal high flow. Arch Dis Child Fetal Neonatal Ed. 2019 Jul;104(4):F366-F371. doi: 10.1136/archdischild-2018-315342. Epub 2018 Nov 21.
Salverda HH, Cramer SJE, Witlox RSGM, Dargaville PA, Te Pas AB. Automated oxygen control in preterm infants, how does it work and what to expect: a narrative review. Arch Dis Child Fetal Neonatal Ed. 2021 Mar;106(2):215-221. doi: 10.1136/archdischild-2020-318918. Epub 2020 Jul 30.
Chan AW, Tetzlaff JM, Gotzsche PC, Altman DG, Mann H, Berlin JA, Dickersin K, Hrobjartsson A, Schulz KF, Parulekar WR, Krleza-Jeric K, Laupacis A, Moher D. SPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trials. BMJ. 2013 Jan 8;346:e7586. doi: 10.1136/bmj.e7586.
Aamir Yousuf HM, Hussain AS, Schmolzer GM, Hoodbhoy Z, Munir R, Rizvi A, Khan U. Automated oxygen control in preterm babies on respiratory support: protocol for a randomised crossover trial. BMJ Paediatr Open. 2025 May 14;9(1):e003210. doi: 10.1136/bmjpo-2024-003210.
Related Links
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Automated Oxygen Delivery in Neonatal Intensive Care
Other Identifiers
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10189
Identifier Type: -
Identifier Source: org_study_id
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