Trial Outcomes & Findings for Naloxone for Optimizing Hypoxemia Of Lung Donors (NCT NCT02581111)

NCT ID: NCT02581111

Last Updated: 2020-07-31

Results Overview

Change in ratio of partial pressure of oxygen in arterial blood (PaO2) to fraction of inspired oxygen (FiO2) from final ABG performed before organ recovery compared to baseline ABG

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

199 participants

Primary outcome timeframe

Baseline and at time of organ recovery, within 72 hours

Results posted on

2020-07-31

Participant Flow

Participant milestones

Participant milestones
Measure
Naloxone
Naloxone 8-mg IV given once after baseline ABG Naloxone: Naloxone 8-mg IV bolus
Placebo
Equivalent volume of saline given once Normal saline
Overall Study
STARTED
98
101
Overall Study
COMPLETED
96
94
Overall Study
NOT COMPLETED
2
7

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Naloxone for Optimizing Hypoxemia Of Lung Donors

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Naloxone
n=98 Participants
Naloxone 8-mg IV given once after baseline ABG Naloxone: Naloxone 8-mg IV bolus
Placebo
n=101 Participants
Equivalent volume of saline given once Normal saline
Total
n=199 Participants
Total of all reporting groups
Age, Continuous
37.4 years
STANDARD_DEVIATION 13 • n=5 Participants
36.8 years
STANDARD_DEVIATION 13 • n=7 Participants
37 years
STANDARD_DEVIATION 13 • n=5 Participants
Sex: Female, Male
Female
40 Participants
n=5 Participants
50 Participants
n=7 Participants
90 Participants
n=5 Participants
Sex: Female, Male
Male
58 Participants
n=5 Participants
51 Participants
n=7 Participants
109 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
5 Participants
n=5 Participants
13 Participants
n=7 Participants
18 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
87 Participants
n=5 Participants
83 Participants
n=7 Participants
170 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
6 Participants
n=5 Participants
5 Participants
n=7 Participants
11 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
15 Participants
n=5 Participants
20 Participants
n=7 Participants
35 Participants
n=5 Participants
Race (NIH/OMB)
White
77 Participants
n=5 Participants
76 Participants
n=7 Participants
153 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
6 Participants
n=5 Participants
5 Participants
n=7 Participants
11 Participants
n=5 Participants
Region of Enrollment
United States
98 participants
n=5 Participants
101 participants
n=7 Participants
199 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline and at time of organ recovery, within 72 hours

Change in ratio of partial pressure of oxygen in arterial blood (PaO2) to fraction of inspired oxygen (FiO2) from final ABG performed before organ recovery compared to baseline ABG

Outcome measures

Outcome measures
Measure
Naloxone
n=96 Participants
Naloxone 8-mg IV given once after baseline ABG Naloxone: Naloxone 8-mg IV bolus
Placebo
n=94 Participants
Equivalent volume of saline given once Normal saline
Change in Oxygenation (P/F Ratio) From Baseline to Final Pre-recovery Arterial Blood Gas (ABG)
81 mm Hg
Interval 19.0 to 176.0
80 mm Hg
Interval -13.0 to 189.0

SECONDARY outcome

Timeframe: At time of organ recovery (within 72 hours)

Whether one or both lungs were transplanted from this organ donor (dichotomized)

Outcome measures

Outcome measures
Measure
Naloxone
n=98 Participants
Naloxone 8-mg IV given once after baseline ABG Naloxone: Naloxone 8-mg IV bolus
Placebo
n=101 Participants
Equivalent volume of saline given once Normal saline
Number of Participants Who Had Lungs Transplanted
19 Participants
19 Participants

SECONDARY outcome

Timeframe: Baseline and ABG at 4-6 hours after intervention

Change in PaO2:FiO2 ratio from ABG at 4-6 hours after randomization compared to baseline prior to randomization

Outcome measures

Outcome measures
Measure
Naloxone
n=98 Participants
Naloxone 8-mg IV given once after baseline ABG Naloxone: Naloxone 8-mg IV bolus
Placebo
n=101 Participants
Equivalent volume of saline given once Normal saline
Acute Change in Oxygenation (P/F Ratio)
71 mm Hg
Interval -9.0 to 129.0
33 mm Hg
Interval -12.0 to 111.0

Adverse Events

Naloxone

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

Placebo

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Rajat Dhar

Washington University in St. Louis School of Medicine

Phone: 3143622999

Results disclosure agreements

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