Trial Outcomes & Findings for Effects of Caffeine on Intermittent Hypoxia in Infants Born Preterm (NCT NCT01875159)

NCT ID: NCT01875159

Last Updated: 2015-03-17

Results Overview

Number of episodes of Intermittent hypoxia per hour of pulse oximeter recording less than 90% oxygen saturation

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

98 participants

Primary outcome timeframe

35, 36, 37, 38 weeks postmenstrual age

Results posted on

2015-03-17

Participant Flow

Participant milestones

Participant milestones
Measure
Caffeine
Caffeine citrate 6 mg/kg/day Caffeine citrate 6 mg/kg/day: Comparison of caffeine citrate 6 mg/kg/day versus no caffeine (usual care) on extent of intermittent hypoxia at 35, 36, 37, 38, 39, and 40 weeks postmenstrual age.
Active Comparator: no Caffeine
Compare extended use of caffeine citrate 6 mg/kg/day to no caffeine (usual care) in regard to extent of intermittent hypoxia from 35 weeks postmenstrual age (PMA) to 40 weeks PMA.
Overall Study
STARTED
45
53
Overall Study
COMPLETED
42
53
Overall Study
NOT COMPLETED
3
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Effects of Caffeine on Intermittent Hypoxia in Infants Born Preterm

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Caffeine
n=45 Participants
Caffeine citrate 6 mg/kg/day Caffeine citrate 6 mg/kg/day: Comparison of caffeine citrate 6 mg/kg/day versus no caffeine (usual care) on extent of intermittent hypoxia at 35, 36, 37, 38, 39, and 40 weeks postmenstrual age.
Active Comparator: no Caffeine
n=53 Participants
Compare extended use of caffeine citrate 6 mg/kg/day to no caffeine (usual care) in regard to extent of intermittent hypoxia from 35 weeks postmenstrual age (PMA) to 40 weeks PMA.
Total
n=98 Participants
Total of all reporting groups
Age, Customized
Gestational Age
28.6 Weeks
STANDARD_DEVIATION 1.7 • n=99 Participants
29.1 Weeks
STANDARD_DEVIATION 1.7 • n=107 Participants
28.9 Weeks
STANDARD_DEVIATION 1.7 • n=206 Participants
Sex: Female, Male
Female
21 Participants
n=99 Participants
26 Participants
n=107 Participants
47 Participants
n=206 Participants
Sex: Female, Male
Male
24 Participants
n=99 Participants
27 Participants
n=107 Participants
51 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=99 Participants
8 Participants
n=107 Participants
10 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
40 Participants
n=99 Participants
45 Participants
n=107 Participants
85 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
3 Participants
n=99 Participants
0 Participants
n=107 Participants
3 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
2 Participants
n=99 Participants
0 Participants
n=107 Participants
2 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
11 Participants
n=99 Participants
9 Participants
n=107 Participants
20 Participants
n=206 Participants
Race (NIH/OMB)
White
27 Participants
n=99 Participants
42 Participants
n=107 Participants
69 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=99 Participants
0 Participants
n=107 Participants
2 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
3 Participants
n=99 Participants
2 Participants
n=107 Participants
5 Participants
n=206 Participants
Region of Enrollment
United States
45 participants
n=99 Participants
53 participants
n=107 Participants
98 participants
n=206 Participants
Mean birth weight
1262.1 grams
STANDARD_DEVIATION 265.6 • n=99 Participants
1274.5 grams
STANDARD_DEVIATION 270.3 • n=107 Participants
1270.1 grams
STANDARD_DEVIATION 267.2 • n=206 Participants

PRIMARY outcome

Timeframe: 35, 36, 37, 38 weeks postmenstrual age

Population: Intention to treat

Number of episodes of Intermittent hypoxia per hour of pulse oximeter recording less than 90% oxygen saturation

Outcome measures

Outcome measures
Measure
Caffeine
n=42 Participants
Caffeine citrate 6 mg/kg/day Caffeine citrate 6 mg/kg/day: Comparison of caffeine citrate 6 mg/kg/day versus no caffeine (usual care) on extent of intermittent hypoxia at 35, 36, 37, 38, 39, and 40 weeks postmenstrual age.
Active Comparator: no Caffeine
n=53 Participants
Compare extended use of caffeine citrate 6 mg/kg/day to no caffeine (usual care) in regard to extent of intermittent hypoxia from 35 weeks postmenstrual age (PMA) to 40 weeks PMA.
Episodes of Intermittent Hypoxia Per Hour
Week 35
3.6 Events per hour
Standard Deviation 4.3
8.4 Events per hour
Standard Deviation 8.4
Episodes of Intermittent Hypoxia Per Hour
Week 36
3.8 Events per hour
Standard Deviation 4.5
8.2 Events per hour
Standard Deviation 11.5
Episodes of Intermittent Hypoxia Per Hour
Week 37
4.3 Events per hour
Standard Deviation 5.9
5.2 Events per hour
Standard Deviation 6.8
Episodes of Intermittent Hypoxia Per Hour
Week 38
4.2 Events per hour
Standard Deviation 5.7
4.7 Events per hour
Standard Deviation 6.1

PRIMARY outcome

Timeframe: 35, 36, 37, 38 weeks postmenstrual age

Population: Intention to treat

Number of seconds of Intermittent hypoxia per hour of pulse oximeter recording less than 90% oxygen saturation

Outcome measures

Outcome measures
Measure
Caffeine
n=42 Participants
Caffeine citrate 6 mg/kg/day Caffeine citrate 6 mg/kg/day: Comparison of caffeine citrate 6 mg/kg/day versus no caffeine (usual care) on extent of intermittent hypoxia at 35, 36, 37, 38, 39, and 40 weeks postmenstrual age.
Active Comparator: no Caffeine
n=53 Participants
Compare extended use of caffeine citrate 6 mg/kg/day to no caffeine (usual care) in regard to extent of intermittent hypoxia from 35 weeks postmenstrual age (PMA) to 40 weeks PMA.
Number of Seconds of Intermittent Hypoxia Per Hour
Week 35
50.9 seconds per hour
Standard Deviation 48.1
106.3 seconds per hour
Standard Deviation 89.0
Number of Seconds of Intermittent Hypoxia Per Hour
Week 36
49.5 seconds per hour
Standard Deviation 52.1
100.1 seconds per hour
Standard Deviation 114.6
Number of Seconds of Intermittent Hypoxia Per Hour
Week 37
58.8 seconds per hour
Standard Deviation 74.1
66.8 seconds per hour
Standard Deviation 75.2
Number of Seconds of Intermittent Hypoxia Per Hour
Week 38
69.3 seconds per hour
Standard Deviation 108.8
66.0 seconds per hour
Standard Deviation 74.8

Adverse Events

Caffeine

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Active Comparator: no Caffeine

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Caffeine
n=42 participants at risk
Caffeine citrate 6 mg/kg/day Caffeine citrate 6 mg/kg/day: Comparison of caffeine citrate 6 mg/kg/day versus no caffeine (usual care) on extent of intermittent hypoxia at 35, 36, 37, 38, 39, and 40 weeks postmenstrual age.
Active Comparator: no Caffeine
n=53 participants at risk
Compare extended use of caffeine citrate 6 mg/kg/day to no caffeine (usual care) in regard to extent of intermittent hypoxia from 35 weeks postmenstrual age (PMA) to 40 weeks PMA.
Cardiac disorders
Tachycardia
11.9%
5/42 • Number of events 5
0.00%
0/53

Additional Information

Carl E. Hunt, M.D.

Uniformed Services University

Phone: 240-694-2676

Results disclosure agreements

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