Trial Outcomes & Findings for Angiotensin Converting Enzyme Inhibitors During Cardiopulmonary Bypass in Infants and Children (NCT NCT00848250)

NCT ID: NCT00848250

Last Updated: 2017-07-26

Results Overview

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

21 participants

Primary outcome timeframe

Baseline (prior to surgery), On CPB for 30 minutes, At completion of CPB, and postoperative day 1 (at 8:00AM)postoperative day 1

Results posted on

2017-07-26

Participant Flow

29 participants were eligible, 8 refused participation

Participant milestones

Participant milestones
Measure
ACE Inhibitor
Patients already on an ACE inhibitor will continue it until the day of surgery Angiotensin Converting Enzyme Inhibitor: Patients randomized to this group will continue their current dose of ACE inhibitors until surgery
No ACE Inhibitor
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
Overall Study
STARTED
11
10
Overall Study
COMPLETED
11
9
Overall Study
NOT COMPLETED
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
ACE Inhibitor
Patients already on an ACE inhibitor will continue it until the day of surgery Angiotensin Converting Enzyme Inhibitor: Patients randomized to this group will continue their current dose of ACE inhibitors until surgery
No ACE Inhibitor
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
Overall Study
surgery was completed without cardiopulm
0
1

Baseline Characteristics

Angiotensin Converting Enzyme Inhibitors During Cardiopulmonary Bypass in Infants and Children

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
ACE Inhibitor
n=11 Participants
Patients already on an ACE inhibitor will continue it until the day of surgery Angiotensin Converting Enzyme Inhibitor: Patients randomized to this group will continue their current dose of ACE inhibitors until surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
Total
n=20 Participants
Total of all reporting groups
Age, Continuous
13.7 months
STANDARD_DEVIATION 3.5 • n=39 Participants
20.8 months
STANDARD_DEVIATION 6.5 • n=41 Participants
17.2 months
STANDARD_DEVIATION 5.02 • n=35 Participants
Sex: Female, Male
Female
4 Participants
n=39 Participants
3 Participants
n=41 Participants
7 Participants
n=35 Participants
Sex: Female, Male
Male
7 Participants
n=39 Participants
6 Participants
n=41 Participants
13 Participants
n=35 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Asian
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=39 Participants
2 Participants
n=41 Participants
4 Participants
n=35 Participants
Race (NIH/OMB)
White
9 Participants
n=39 Participants
7 Participants
n=41 Participants
16 Participants
n=35 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Region of Enrollment
United States
11 participants
n=39 Participants
9 participants
n=41 Participants
20 participants
n=35 Participants

PRIMARY outcome

Timeframe: Baseline (prior to surgery), On CPB for 30 minutes, At completion of CPB, and postoperative day 1 (at 8:00AM)postoperative day 1

Outcome measures

Outcome measures
Measure
ACE Inhibitor
n=11 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
(PAI-1) Plasminogen Activator Inhibitor -1 Antigen
Baseline, Pre- Cardiopulmonary bypass (CPD)
4.59 ng/ml
Standard Error 2.36
3.78 ng/ml
Standard Error 0.58
(PAI-1) Plasminogen Activator Inhibitor -1 Antigen
at 30 minutes on CPB
13.59 ng/ml
Standard Error 2.8
17.8 ng/ml
Standard Error 2.49
(PAI-1) Plasminogen Activator Inhibitor -1 Antigen
Completion of CPB
54.74 ng/ml
Standard Error 6.63
58.56 ng/ml
Standard Error 0.86
(PAI-1) Plasminogen Activator Inhibitor -1 Antigen
postoperative day 1 (at 8:00AM)
57.13 ng/ml
Standard Error 12.14
88.74 ng/ml
Standard Error 14.02

PRIMARY outcome

Timeframe: Baseline (prior to surgery) to postoperative day 1

Outcome measures

Outcome measures
Measure
ACE Inhibitor
n=11 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
t-PA (Tissue-type Plasminogen Activator) Antigen
Baseline, Pre- Cardiopulmonary bypass (CPD)
10.81 ng/ml
Standard Error 1.0
8.31 ng/ml
Standard Error 0.94
t-PA (Tissue-type Plasminogen Activator) Antigen
On CPB for 30 minutes
12.97 ng/ml
Standard Error 5.43
20.44 ng/ml
Standard Error 6.38
t-PA (Tissue-type Plasminogen Activator) Antigen
At completion of CPB
16.83 ng/ml
Standard Error 1.84
28.03 ng/ml
Standard Error 3.15
t-PA (Tissue-type Plasminogen Activator) Antigen
postoperative day 1 (at 8:00AM)
14.36 ng/ml
Standard Error 3.05
20.24 ng/ml
Standard Error 1.82

SECONDARY outcome

Timeframe: Baseline (pre-surgery) to postoperative day 1

Outcome measures

Outcome measures
Measure
ACE Inhibitor
n=11 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
IL-6 (Interleukin-6)
Baseline, Pre- Cardiopulmonary bypass (CPD)
2.29 pg/ml
Standard Error 1.27
3.06 pg/ml
Standard Error 1.76
IL-6 (Interleukin-6)
on CPB for 30min
9.64 pg/ml
Standard Error 3.23
13.08 pg/ml
Standard Error 3.49
IL-6 (Interleukin-6)
At completion of CPB
215.84 pg/ml
Standard Error 32.59
141.00 pg/ml
Standard Error 91.56
IL-6 (Interleukin-6)
postoperative day 1 (at 8:00AM)
401.69 pg/ml
Standard Error 123.66
119.13 pg/ml
Standard Error 33.54

SECONDARY outcome

Timeframe: Baseline (pre-surgery) to postoperative day 1

Outcome measures

Outcome measures
Measure
ACE Inhibitor
n=11 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
IL-8 (Interleukin-8)
Baseline (Before going on cardiopulmonary bypass
11.69 pg/mL
Standard Error 2.07
15.56 pg/mL
Standard Error 3.61
IL-8 (Interleukin-8)
at 30 minutes on CPB
20.76 pg/mL
Standard Error 4.57
36.91 pg/mL
Standard Error 16.92
IL-8 (Interleukin-8)
Admission to ICU following surgery
213.74 pg/mL
Standard Error 39.39
244.86 pg/mL
Standard Error 121.13
IL-8 (Interleukin-8)
postoperative day 1 (at 8:00AM)
201.05 pg/mL
Standard Error 66.91
127.03 pg/mL
Standard Error 42.48

SECONDARY outcome

Timeframe: Baseline (prior to surgery) to postoperative day 1

Outcome measures

Outcome measures
Measure
ACE Inhibitor
n=11 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
(MAP) Mean Arterial Blood Pressure
Baseline, Pre- Cardiopulmonary bypass (CPD)
42.65 mmHg
Standard Error 1.68
47.82 mmHg
Standard Error 3.6
(MAP) Mean Arterial Blood Pressure
at 30 minutes on CPB
53.02 mmHg
Standard Error 3.16
53.52 mmHg
Standard Error 2.93
(MAP) Mean Arterial Blood Pressure
At completion of CPB
60.35 mmHg
Standard Error 4.23
59.48 mmHg
Standard Error 3.81
(MAP) Mean Arterial Blood Pressure
postoperative day 1 (at 8:00AM)
60.63 mmHg
Standard Error 4.23
64.16 mmHg
Standard Error 3.33

SECONDARY outcome

Timeframe: 24 hours

Chest tube output at 4 and 24 hours after completion of surgery

Outcome measures

Outcome measures
Measure
ACE Inhibitor
n=11 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
Postoperative Bleeding
Chest tube output in 24 hrs
76.3 mL/kg
Standard Error 20.7
43.2 mL/kg
Standard Error 6.2
Postoperative Bleeding
Chest tube output in 4 hrs
38.4 mL/kg
Standard Error 13.8
19.8 mL/kg
Standard Error 2.9

SECONDARY outcome

Timeframe: Baseline (prior to surgery) to postoperative day 1

Acute kidney injury occurring

Outcome measures

Outcome measures
Measure
ACE Inhibitor
n=11 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
No ACE Inhibitor
n=9 Participants
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
Postoperative Renal Function
54.5 Percentage of subject with AKI
33.3 Percentage of subject with AKI

Adverse Events

ACE Inhibitor

Serious events: 4 serious events
Other events: 4 other events
Deaths: 0 deaths

No ACE Inhibitor

Serious events: 2 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
ACE Inhibitor
n=11 participants at risk
Patients already on an ACE inhibitor will continue it until the day of surgery Angiotensin Converting Enzyme Inhibitor: Patients randomized to this group will continue their current dose of ACE inhibitors until surgery
No ACE Inhibitor
n=9 participants at risk
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
Cardiac disorders
ECMO
9.1%
1/11 • Number of events 1 • From the start of surgery until hospital discharge, approximately 7 days
0.00%
0/9 • From the start of surgery until hospital discharge, approximately 7 days
Surgical and medical procedures
Surgical re-exploration
27.3%
3/11 • Number of events 3 • From the start of surgery until hospital discharge, approximately 7 days
22.2%
2/9 • Number of events 2 • From the start of surgery until hospital discharge, approximately 7 days

Other adverse events

Other adverse events
Measure
ACE Inhibitor
n=11 participants at risk
Patients already on an ACE inhibitor will continue it until the day of surgery Angiotensin Converting Enzyme Inhibitor: Patients randomized to this group will continue their current dose of ACE inhibitors until surgery
No ACE Inhibitor
n=9 participants at risk
Patients on ACE inhibitors who are randomized to stop their ACE inhibitor 48 hours prior to surgery No ACE Inhibitor: Patients randomized to this group will stop their ACE inhibitors 48 hours before surgery
Cardiac disorders
Permanent pacemaker
9.1%
1/11 • Number of events 1 • From the start of surgery until hospital discharge, approximately 7 days
0.00%
0/9 • From the start of surgery until hospital discharge, approximately 7 days
Cardiac disorders
Pleural effusion
27.3%
3/11 • Number of events 3 • From the start of surgery until hospital discharge, approximately 7 days
0.00%
0/9 • From the start of surgery until hospital discharge, approximately 7 days

Additional Information

Mias Pretorius

Vanderbilt University Medical Center

Phone: 615-8757402

Results disclosure agreements

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