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Use of NIRS in Preterm Population Born at Altitude

Utilization of Near-Infrared Spectroscopy Technology to Determine Normative Cerebral Regional Oxygen Saturation in a Preterm Population Born at Altitude

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04639583
Enrollment
21
Registered
2020-11-20
Start date
2021-10-01
Completion date
2023-06-30
Last updated
2024-05-29

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

Conditions

Prematurity; Extreme

Brief summary

Near-infrared spectroscopy (NIRS), is a technology that can provide continuous, non-invasive monitoring of oxygenation in tissue. The objective of this study is to obtain the cerebral regional oxygen saturation (cRSO2) in a preterm population that is born at altitude to determine if the range of normal values is different than those obtained at sea level.

Interventions

DEVICENear-infrared spectroscopy (NIRS) utilization

The NIRS devise will be applied so that cerebral regional oxygen saturation (cRSO2) can be measured.

Sponsors

University of New Mexico
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
SUPPORTIVE_CARE
Masking
NONE

Intervention model description

The study will be a prospective observational study, in which any infant consented to participate in the study will have the NIRS applied for the first 96 hours of life.

Eligibility

Sex/Gender
ALL
Age
0 Hours to 24 Hours
Healthy volunteers
No

Inclusion criteria

* Infant must be \<32 weeks' gestational age at time of delivery. * Consenting mother/guardian of the infant must speak English. Other languages are not being included due to the need of a translator being brought into the unit, which adds risk to the vulnerable population. Additionally, as the time to consent is a narrow window, adding the complexity of getting a translator may delay the ability to get consent and thus make it more difficult to enroll patients. * Infants that require blood transfusions during the monitoring time may be included.

Exclusion criteria

* Any known cardiac anomaly or other anomaly which may impair perfusion and blood flow. * Infant born after placental abruption or concern for extreme blood loss immediately after birth. * Unable to consent the mother/guardian due to maternal health issues after delivering (eg requiring intubation or sedation after the delivery). * Mothers/guardians that are prisoners, as the study team would like to have continuing communication with the mother during the study period as needed. * Mothers/guardians that are \<18 years of age will not be approached for consent. * Any mother/guardian that is not able to consent due to having a legal representative will not be approached for consent in this study. * Any infant that is planned to be placed for adoption * Infant is greater than 24 hours of age at time of consent.

Design outcomes

Primary

MeasureTime frameDescription
Cerebral Regional Oxygen Saturation (cRSO2)first 96 hours of lifeMeasure cRSO2 for the first 96 hours of life in infants born preterm.

Secondary

MeasureTime frameDescription
Incidence of Major Complications of PrematurityFrom birth until the end of the birth hospitalization, which would be discharge home or death, whichever occurs first. Estimated time is up to 6 months of age.Additional items recorded to determine if there is any correlation with the cRSO2 values, including death, intraventricular hemorrhage, necrotizing enterocolitis, sepsis, duration of supplemental oxygen required, time to taking full volume feeds via nippling, and hospital length of stay.

Countries

United States

Participant flow

Participants by arm

ArmCount
Observational Arm
Any infant consented to participate in the study will have the NIRS applied for the first 96 hours of life. It will be the goal to apply the NIRS sensors in the first 12 hours of life. All infants will have the same treatment if in the study, but clinicians will not be able to see the data obtained so that there is no clinical interpretation during this time. Near-infrared spectroscopy (NIRS) utilization: The NIRS devise will be applied so that cerebral regional oxygen saturation (cRSO2) can be measured.
20
Total20

Baseline characteristics

CharacteristicObservational Arm
Age, Categorical
<=18 years
20 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
Age, Continuous28.5 weeks
cFTOE (cerebral fractional tissue oxygen extraction)21.9 % of cFTOE
CRIB-II (Clinical Risk Index for Babies) II Scoring System8.5 score
Race/Ethnicity, Customized
American Indian Alaska Native
3 Participants
Race/Ethnicity, Customized
Hispanic latino
10 Participants
Race/Ethnicity, Customized
other OR unknown
1 Participants
Race/Ethnicity, Customized
white
6 Participants
rcSO2 (cerebral regional oxygen saturation)73.5 % of rcSO2
Region of Enrollment
United States
20 participants
Sex: Female, Male
Female
13 Participants
Sex: Female, Male
Male
7 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
1 / 21
other
Total, other adverse events
0 / 21
serious
Total, serious adverse events
19 / 21

Outcome results

Primary

Cerebral Regional Oxygen Saturation (cRSO2)

Measure cRSO2 for the first 96 hours of life in infants born preterm.

Time frame: first 96 hours of life

ArmMeasureValue (MEAN)
Observational ArmCerebral Regional Oxygen Saturation (cRSO2)73.4 percent rcSO2
Secondary

Incidence of Major Complications of Prematurity

Additional items recorded to determine if there is any correlation with the cRSO2 values, including death, intraventricular hemorrhage, necrotizing enterocolitis, sepsis, duration of supplemental oxygen required, time to taking full volume feeds via nippling, and hospital length of stay.

Time frame: From birth until the end of the birth hospitalization, which would be discharge home or death, whichever occurs first. Estimated time is up to 6 months of age.

Population: Infants with complications of prematurity

ArmMeasureValue (NUMBER)
Observational ArmIncidence of Major Complications of Prematurity9 number of infant with condition
Secondary Outcome ROPIncidence of Major Complications of Prematurity2 number of infant with condition
Secondary Outcome SepsisIncidence of Major Complications of Prematurity3 number of infant with condition
Secondary Outcome PDAIncidence of Major Complications of Prematurity3 number of infant with condition
Secondary Outcome NECIncidence of Major Complications of Prematurity2 number of infant with condition

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026