Skip to content

Efficacy and safety of targeting lower arterial oxygen saturations to reduce oxygen toxicity and oxidative stress in very preterm infants: the Canadian Oxygen Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN62491227
Enrollment
1200
Registered
2006-08-22
Start date
2006-10-01
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Respiratory insufficiency of prematurity Pregnancy and Childbirth Respiratory insufficiency of prematurity

Interventions

Exerimental arm: supplemental oxygen to maintain functional arterial oxygen saturations in the range of 85-89%. Dose of oxygen is determined by the individual infant's need to achieve the target oxyge

Sponsors

McMaster University (Canada)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Gestational age 23^0/7 to 27^6/7 weeks 2. Postnatal age less than 24 hours, either sex

Exclusion criteria

Exclusion criteria: 1. Infant not considered viable 2. Dysmorphic features or congenital malformations that adversely affect life expectancy or neurodevelopment 3. Known or strongly suspected cyanotic heart disease 4. Persistent pulmonary hypertension 5. Unlikely to be available for long-term follow-up

Design outcomes

Primary

MeasureTime frame
1. Survival without severe neurosensory disability to 18 to 21 months (corrected for prematurity)

Secondary

MeasureTime frame
1. Retinopathy of prematurity measured at 32 to 44 weeks postmenstrual age 2. Bronchopulmonary dysplasia measured at 36 weeks postmenstrual age 3. Brain injury, measured from the week one of life up to 36 weeks postmenstrual age 4. Patent ductus arteriosus, measured until first discharge to home 5. Necrotising enterocolitis measured until first discharge to home 6. Growth, measured until a corrected age of 18 to 21 months 7. Respiratory morbidity, measured until a corrected age of 18 to 21 months 8. Mean developmental index scores on the Bayley Scales measured at the corrected age of 18 to 21 months

Countries

Argentina, Canada, Finland, Germany, Norway

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 29, 2026