Trial Outcomes & Findings for Fibrinogen Concentrate vs Cryoprecipitate (NCT NCT03014700)

NCT ID: NCT03014700

Last Updated: 2019-05-07

Results Overview

For our study, 1 donor exposure = 1 unit of blood product transfusion. A blood product includes red blood cells, fresh frozen plasma, cryoprecipitate, and platelets.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

60 participants

Primary outcome timeframe

From administration of the drug during surgery to ICU arrival postoperatively (up to 24 hours)

Results posted on

2019-05-07

Participant Flow

Participant milestones

Participant milestones
Measure
Cryoprecipitate Arm
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Overall Study
STARTED
30
30
Overall Study
COMPLETED
25
29
Overall Study
NOT COMPLETED
5
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Fibrinogen Concentrate vs Cryoprecipitate

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cryoprecipitate Arm
n=30 Participants
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=30 Participants
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Total
n=60 Participants
Total of all reporting groups
Age, Continuous
4 months
n=39 Participants
4 months
n=41 Participants
4 months
n=35 Participants
Sex: Female, Male
Female
16 Participants
n=39 Participants
9 Participants
n=41 Participants
25 Participants
n=35 Participants
Sex: Female, Male
Male
14 Participants
n=39 Participants
21 Participants
n=41 Participants
35 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
1 Participants
n=39 Participants
3 Participants
n=41 Participants
4 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
3 Participants
n=39 Participants
5 Participants
n=41 Participants
8 Participants
n=35 Participants
Race (NIH/OMB)
White
22 Participants
n=39 Participants
18 Participants
n=41 Participants
40 Participants
n=35 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=39 Participants
1 Participants
n=41 Participants
1 Participants
n=35 Participants
Race (NIH/OMB)
Unknown or Not Reported
4 Participants
n=39 Participants
3 Participants
n=41 Participants
7 Participants
n=35 Participants

PRIMARY outcome

Timeframe: From administration of the drug during surgery to ICU arrival postoperatively (up to 24 hours)

For our study, 1 donor exposure = 1 unit of blood product transfusion. A blood product includes red blood cells, fresh frozen plasma, cryoprecipitate, and platelets.

Outcome measures

Outcome measures
Measure
Cryoprecipitate Arm
n=30 Participants
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=30 Participants
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Total Units of Intraoperative Allogenic Donor Transfusions (ADT) Administered During Procedure Through ICU Arrival.
5 ADT units
Interval 4.0 to 7.0
4 ADT units
Interval 3.0 to 5.0

SECONDARY outcome

Timeframe: From administration end of surgery to 24 hours post operatively

Population: Participants who completed the protocol are included in the analysis

Volume of chest tube drainage evaluated over first 24 hours post operatively

Outcome measures

Outcome measures
Measure
Cryoprecipitate Arm
n=25 Participants
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=29 Participants
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Chest Tube Output
18.05 ml/kg
Interval 10.94 to 26.03
16.11 ml/kg
Interval 12.56 to 25.0

SECONDARY outcome

Timeframe: From administration of the drug during surgery to extubation in the ICU (up to 30 days)

Population: Participants who completed the protocol are included in the analysis

Outcome measures

Outcome measures
Measure
Cryoprecipitate Arm
n=25 Participants
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=29 Participants
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Hours of Mechanical Ventilation
30.32 hours
Interval 18.68 to 98.73
27.10 hours
Interval 20.42 to 51.58

SECONDARY outcome

Timeframe: From administration of the drug during surgery to discharge from the ICU (up to 3 months)

Population: Participants who completed the protocol are included in the analysis

Outcome measures

Outcome measures
Measure
Cryoprecipitate Arm
n=25 Participants
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=29 Participants
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Length of Stay in Intensive Care Unit (ICU)
4.50 days
Interval 2.0 to 6.0
3.00 days
Interval 2.0 to 7.0

SECONDARY outcome

Timeframe: From administration of the drug during surgery to discharge from the hospital (up to 6 months)

Population: Participants who completed the protocol are included in the analysis

Outcome measures

Outcome measures
Measure
Cryoprecipitate Arm
n=25 Participants
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=29 Participants
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Length of Stay in Hospital
8.00 days
Interval 5.0 to 19.0
7.00 days
Interval 4.0 to 11.0

SECONDARY outcome

Timeframe: From administration of the drug to 30 days following surgery

Population: Participants who completed the protocol are included in the analysis

Outcome measures

Outcome measures
Measure
Cryoprecipitate Arm
n=25 Participants
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=29 Participants
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Count of Participants Who Died Within 30 Days Following Procedure
0 Participants
1 Participants

Adverse Events

Cryoprecipitate Arm

Serious events: 2 serious events
Other events: 8 other events
Deaths: 0 deaths

Fibrinogen Concentrate Arm

Serious events: 4 serious events
Other events: 5 other events
Deaths: 1 deaths

Serious adverse events

Serious adverse events
Measure
Cryoprecipitate Arm
n=30 participants at risk
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=30 participants at risk
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Respiratory, thoracic and mediastinal disorders
Chest Exploration
3.3%
1/30 • Day of procedure through 30 days postoperatively or hospital discharge
6.7%
2/30 • Day of procedure through 30 days postoperatively or hospital discharge
General disorders
Death
0.00%
0/30 • Day of procedure through 30 days postoperatively or hospital discharge
3.3%
1/30 • Day of procedure through 30 days postoperatively or hospital discharge
Nervous system disorders
Stroke
3.3%
1/30 • Day of procedure through 30 days postoperatively or hospital discharge
0.00%
0/30 • Day of procedure through 30 days postoperatively or hospital discharge
Cardiac disorders
Tamponade
0.00%
0/30 • Day of procedure through 30 days postoperatively or hospital discharge
3.3%
1/30 • Day of procedure through 30 days postoperatively or hospital discharge
Vascular disorders
Thrombosis requiring Intervention
0.00%
0/30 • Day of procedure through 30 days postoperatively or hospital discharge
3.3%
1/30 • Day of procedure through 30 days postoperatively or hospital discharge

Other adverse events

Other adverse events
Measure
Cryoprecipitate Arm
n=30 participants at risk
Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group Cryoprecipitate: Subject will be administered Cryoprecipitate to control bleeding after open heart surgery when randomized to Cryoprecipitate group
Fibrinogen Concentrate Arm
n=30 participants at risk
Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group Fibrinogen Concentrate: Subject will be administered Fibrinogen Concentrate to control bleeding after open heart surgery when randomized to Fibrinogen Concentrate group
Infections and infestations
Infection (with positive culture within 14 days)
3.3%
1/30 • Day of procedure through 30 days postoperatively or hospital discharge
0.00%
0/30 • Day of procedure through 30 days postoperatively or hospital discharge
Surgical and medical procedures
Repeat Surgery (less than 7 days)
6.7%
2/30 • Day of procedure through 30 days postoperatively or hospital discharge
0.00%
0/30 • Day of procedure through 30 days postoperatively or hospital discharge
Cardiac disorders
Arrhythmia requiring treatment
20.0%
6/30 • Day of procedure through 30 days postoperatively or hospital discharge
16.7%
5/30 • Day of procedure through 30 days postoperatively or hospital discharge

Additional Information

Glyn David Williams

Stanford university School of Medicine

Phone: 650-723-5728

Results disclosure agreements

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

Restriction type: OTHER