ConductScience.org, home

Trial · NCT04704869

Early Use of Cryoprecipitate With Major Hemorrhage Protocol (MHP) Activation

NCT04704869, Phase 3, Completed, Bryan Cotton; results first posted 2023-02-21

3 sourcestrials-2026-11-12-0.5.0

Download JSON
Cite this record

ConductScience Library. Early Use of Cryoprecipitate With Major Hemorrhage Protocol (MHP) Activation. Trials, record NCT04704869. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04704869

On this page

Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Early Use of Cryoprecipitate With Major Hemorrhage Protocol (MHP) Activation
NCT number
NCT04704869
Status
Completed
Phases
Phase 3
Enrollment
1,604 participants, actual
Lead sponsor
Bryan Cotton
Conditions
Trauma Injury
Interventions
Cryoprecipitate, Red Blood Cells, Plasma, Platelets, Whole Blood
First posted
2021-01-12
Last updated
2025-01-14
Other registries' IDs
isrctn:ISRCTN14998314
Results first posted
2023-02-21

Source ClinicalTrials.gov

Registered outcomes19

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Participants With Mortality From Any Cause28 days after emergency department (ED) admissionMortality from any cause
SecondaryAll Cause Mortality at 6 Hours6 hours after ED admissionMortality from any cause
SecondaryAll Cause Mortality at 24 Hours24 hours after ED admissionMortality from any cause
SecondaryAll Cause Mortality at 6 Months6 months after ED admissionMortality from any cause. All cause mortality at 6 months is presented as a Kaplan-Meier estimated.
SecondaryAll Cause Mortality at 12 Months12 months after ED admissionMortality from any cause. All cause mortality at 6 months is presented as a Kaplan-Meier estimated.
SecondaryDeath From Bleeding at 6 Hours6 hours after ED admissionDeath related to exsanguination
SecondaryDeath From Bleeding at 24 Hours24 hours after ED admissionDeath related to exsanguination
SecondaryTransfusion Requirements (Number of Units of Red Blood Cells (RBCs))from time of pre-hospital care to 24 hours after ED admission, an average of 30 hoursNumber of units of RBCs
SecondaryTransfusion Requirements (Number of Units of Plasma)from time of pre-hospital care to 24 hours after ED admission, an average of 30 hoursNumber of units of plasma
SecondaryTransfusion Requirements (Number of Units of Platelets)from time of pre-hospital care to 24 hours after ED admission, an average of 30 hoursNumber of units of platelets

Outcomes19

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Participants With Mortality From Any Cause28 days after emergency department (ED) admission
Vital status was not available from any source for 34 in the Massive Transfusion Protocol arm and 39 in the Early Cryoprecipitate plus Massive Transfusion Protocol arm. Data presented are from an intention to treat analysis.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYAll Cause Mortality at 6 Hours6 hours after ED admission
Data were not collected for 15 participants in the Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm. Data were not collected for 10 participants in the Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYAll Cause Mortality at 24 Hours24 hours after ED admission
Data were not collected for 16 participants in the Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm. Data were not collected for 11 participants in the Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYAll Cause Mortality at 6 Months6 months after ED admissionpercentage of participantsNUMBER
SECONDARYAll Cause Mortality at 12 Months12 months after ED admissionpercentage of participantsNUMBER
SECONDARYDeath From Bleeding at 6 Hours6 hours after ED admission
Data were not collected from 10 participants in the Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm. Data were not collected from 15 participants in the Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYDeath From Bleeding at 24 Hours24 hours after ED admission
Data were not collected from 11 participants in the Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm. Data were not collected from 16 participants in the Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYTransfusion Requirements (Number of Units of Red Blood Cells (RBCs))from time of pre-hospital care to 24 hours after ED admission, an average of 30 hours
Data were not collected from 108 participants in the Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm. Data were not collected from 104 participants in the Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm.
UnitsMEDIAN
SECONDARYTransfusion Requirements (Number of Units of Plasma)from time of pre-hospital care to 24 hours after ED admission, an average of 30 hours
Data were not collected from 108 participants in the Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm. Data were not collected from 104 participants in the Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm.
unitsMEDIAN
SECONDARYTransfusion Requirements (Number of Units of Platelets)from time of pre-hospital care to 24 hours after ED admission, an average of 30 hours
Data were not collected from 110 participants in the Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm. Data were not collected from 104 participants in the Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) arm.
UnitsMEDIAN

Results by group50

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Number of Participants With Mortality From Any CauseMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)201Participants
Number of Participants With Mortality From Any CauseEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)192Participants
All Cause Mortality at 6 HoursEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)56Participants
All Cause Mortality at 6 HoursMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)68Participants
All Cause Mortality at 24 HoursEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)88Participants
All Cause Mortality at 24 HoursMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)97Participants
All Cause Mortality at 6 MonthsEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)26.195% Confidence Interval 23.2 to 29.4percentage of participants
All Cause Mortality at 6 MonthsMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)27.395% Confidence Interval 24.3 to 30.7percentage of participants
All Cause Mortality at 12 MonthsEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)26.695% Confidence Interval 23.6 to 30.0percentage of participants
All Cause Mortality at 12 MonthsMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)27.795% Confidence Interval 24.6 to 31.1percentage of participants

Participant flow8

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)805
Overall StudySTARTEDEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)799
Overall StudyCompleted 28-day Follow upMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)771
Overall StudyCompleted 28-day Follow upEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)760
Overall StudyCOMPLETEDMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)771
Overall StudyCOMPLETEDEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)760
Overall StudyNOT COMPLETEDMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)34
Overall StudyNOT COMPLETEDEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)39

Adverse events6

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
seriousVenous thromboembolismVascular disordersMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)5780559
seriousVenous thromboembolismVascular disordersEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)5579958
seriousArterial thrombotic eventVascular disordersMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)2680526
seriousArterial thrombotic eventVascular disordersEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)2679927
seriousSerious transfusion related adverse eventGeneral disordersMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)08050
seriousSerious transfusion related adverse eventGeneral disordersEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)37993

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)201771
Total, all-cause mortalityEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)192760
Total, other adverse eventsMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)0805
Total, other adverse eventsEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)0799
Total, serious adverse eventsMassive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)83805
Total, serious adverse eventsEarly Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood)84799

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
37824155RESULT

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons7

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

ComparisonSource
Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) vs Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood): All Cause Mortality at 24 HoursTrial comparisons
Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) vs Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood): Number of Participants With Mortality From Any Cause
Trial comparisons
Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) vs Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood): All Cause Mortality at 6 HoursTrial comparisons
Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) vs Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood): Death From Bleeding at 6 HoursTrial comparisons
Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) vs Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood): deaths from any causeTrial comparisons
Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) vs Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood): Death From Bleeding at 24 HoursTrial comparisons
Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood) vs Early Cryoprecipitate + Massive Transfusion Protocol (RBCs, Plasma, Platelets, Whole Blood): serious adverse eventsTrial comparisons

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04704869

GET https://conductscience.org/api/trials/v1/NCT04704869/results?page=2