Trial Outcomes & Findings for Age of Red Blood Cells in Premature Infants Study (ARIPI) (NCT NCT00326924)

NCT ID: NCT00326924

Last Updated: 2018-01-19

Results Overview

The primary outcome was a composite outcome composed of mortality and major neonatal morbidities associated with acute organ dysfunction or failure. In addition to death, the 4 major morbidities comprising the composite outcome were bronchopulmonary dysplasia, retinopathy of prematurity, necrotizing enterocolitis, and intraventricular hemorrhage.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

377 participants

Primary outcome timeframe

2 weeks, 4 weeks, 12 weeks, 90 days

Results posted on

2018-01-19

Participant Flow

Participant milestones

Participant milestones
Measure
Biological
PRBCs that are less than 7 days old are considered 'fresh'. Transfusion: PRBC blood transfusions.
Standard PRBCs
PRBCs 'stored' as per hospital policy. Transfusion: PRBC blood transfusions.
Overall Study
STARTED
188
189
Overall Study
COMPLETED
187
188
Overall Study
NOT COMPLETED
1
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Age of Red Blood Cells in Premature Infants Study (ARIPI)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Biological
n=188 Participants
PRBCs that are less than 7 days old are considered 'fresh'. Transfusion: PRBC blood transfusions.
Standard PRBCs
n=189 Participants
PRBCs 'stored' as per hospital policy. Transfusion: PRBC blood transfusions.
Total
n=377 Participants
Total of all reporting groups
Age, Continuous
10.0 days
STANDARD_DEVIATION 9.7 • n=5 Participants
9.9 days
STANDARD_DEVIATION 9.5 • n=7 Participants
10 days
STANDARD_DEVIATION 9.6 • n=5 Participants
Sex: Female, Male
Female
79 Participants
n=5 Participants
95 Participants
n=7 Participants
174 Participants
n=5 Participants
Sex: Female, Male
Male
109 Participants
n=5 Participants
94 Participants
n=7 Participants
203 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · White
138 Participants
n=5 Participants
123 Participants
n=7 Participants
261 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · Black
17 Participants
n=5 Participants
24 Participants
n=7 Participants
41 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · Latin American
4 Participants
n=5 Participants
1 Participants
n=7 Participants
5 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · Asian
6 Participants
n=5 Participants
8 Participants
n=7 Participants
14 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · Aboriginal
10 Participants
n=5 Participants
20 Participants
n=7 Participants
30 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · Filipino
0 Participants
n=5 Participants
4 Participants
n=7 Participants
4 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · Arab
3 Participants
n=5 Participants
1 Participants
n=7 Participants
4 Participants
n=5 Participants
Race/Ethnicity, Customized
Mothers' characteristics · Other or unknown
10 Participants
n=5 Participants
8 Participants
n=7 Participants
18 Participants
n=5 Participants
Region of Enrollment
Canada
188 participants
n=5 Participants
189 participants
n=7 Participants
377 participants
n=5 Participants

PRIMARY outcome

Timeframe: 2 weeks, 4 weeks, 12 weeks, 90 days

The primary outcome was a composite outcome composed of mortality and major neonatal morbidities associated with acute organ dysfunction or failure. In addition to death, the 4 major morbidities comprising the composite outcome were bronchopulmonary dysplasia, retinopathy of prematurity, necrotizing enterocolitis, and intraventricular hemorrhage.

Outcome measures

Outcome measures
Measure
Biological
n=188 Participants
PRBCs that are less than 7 days old are considered 'fresh'. Transfusion: PRBC blood transfusions.
Standard PRBCs
n=189 Participants
PRBCs 'stored' as per hospital policy. Transfusion: PRBC blood transfusions.
1. Composite Outcome of Necrotizing Enterocolitis, Intraventricular Hemorrhage, Bronchopulmonary Dysplasia and Retinopathy of Prematurity at 30 and 90-days. 2. Mortality
99 participants
100 participants

SECONDARY outcome

Timeframe: 90 days

Infection was categorized as clinically suspected and positive cultures.

Outcome measures

Outcome measures
Measure
Biological
n=188 Participants
PRBCs that are less than 7 days old are considered 'fresh'. Transfusion: PRBC blood transfusions.
Standard PRBCs
n=189 Participants
PRBCs 'stored' as per hospital policy. Transfusion: PRBC blood transfusions.
Clinically Suspected Infection and Culturally Confirmed Infections
146 number of participants
146 number of participants

SECONDARY outcome

Timeframe: until last participants left neonatal intensive care unit

Length of Stay in neonatal intensive unit

Outcome measures

Outcome measures
Measure
Biological
n=188 Participants
PRBCs that are less than 7 days old are considered 'fresh'. Transfusion: PRBC blood transfusions.
Standard PRBCs
n=189 Participants
PRBCs 'stored' as per hospital policy. Transfusion: PRBC blood transfusions.
Length of Stay
84 number of days
Interval 50.0 to 104.0
77 number of days
Interval 50.0 to 104.0

SECONDARY outcome

Timeframe: whether a mechanical ventilation was used at any time point during 90 days

Number of Participants using Mechanical Ventilation

Outcome measures

Outcome measures
Measure
Biological
n=188 Participants
PRBCs that are less than 7 days old are considered 'fresh'. Transfusion: PRBC blood transfusions.
Standard PRBCs
n=189 Participants
PRBCs 'stored' as per hospital policy. Transfusion: PRBC blood transfusions.
Number of Participants Using Mechanical Ventilation.
151 participants
153 participants

Adverse Events

Biological

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Standard PRBCs

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Biological
n=188 participants at risk
PRBCs that are less than 7 days old are considered 'fresh'. Transfusion: PRBC blood transfusions.
Standard PRBCs
n=189 participants at risk
PRBCs 'stored' as per hospital policy. Transfusion: PRBC blood transfusions.
Infections and infestations
cytomegalovirus infection
0.00%
0/188
0.53%
1/189 • Number of events 1

Other adverse events

Adverse event data not reported

Additional Information

Dean Fergusson, Senior Scientist

Ottawa Hospital Research Institute

Phone: 613-737-8480

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place