NCT03204357

Brief Summary

Autologous blood transfused at the end of cardiopulmonary bypass will reduce total blood loss 24 hours after surgery and improve mitochondrial oxygen delivery measured by plasma succinate levels. The study design is a prospective randomized interventional trial of transfusion of fresh autologous whole blood versus standard of care expectant management of bleeding during elective cardiac surgery.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
70

participants targeted

Target at P50-P75 for not_applicable

Timeline
4mo left

Started Jan 2022

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress93%
Jan 2022Sep 2026

First Submitted

Initial submission to the registry

June 27, 2017

Completed
5 days until next milestone

First Posted

Study publicly available on registry

July 2, 2017

Completed
4.6 years until next milestone

Study Start

First participant enrolled

January 24, 2022

Completed
3.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2025

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2026

Expected
Last Updated

November 21, 2024

Status Verified

November 1, 2024

Enrollment Period

3.5 years

First QC Date

June 27, 2017

Last Update Submit

November 18, 2024

Conditions

Keywords

Cardiac surgery

Outcome Measures

Primary Outcomes (1)

  • Estimated Blood Loss

    Blood loss is estimated as a percent of total estimated blood volume in the first 24 hours after cardiac surgery.

    Within 24 hours after surgery

Secondary Outcomes (15)

  • Number of allogenic transfusions given

    31 days

  • Severity of peri-operative stroke

    31 days

  • Incident of peri-operative stroke

    31 days

  • Development of Post-operative delirium

    31 days

  • Development of Myocardial Infarction

    31 days

  • +10 more secondary outcomes

Study Arms (2)

Fresh Autologous whole blood transfusion

EXPERIMENTAL

The experimental group will have 15% of the estimated blood volume of autologous blood collected. This transfusion will be given at the end of the procedure.

Other: Fresh Autologous whole Blood

Standard of Care Expectant Management of bleeding

ACTIVE COMPARATOR

the control group that will receive the standard of care expectant management of bleeding and transfusion of allogenic banked blood products

Other: Standard of Care Expectant management of bleeding

Interventions

Subjects randomized this arm will receive fresh autologous whole blood

Fresh Autologous whole blood transfusion

the control group that will receive the standard of care expectant management of bleeding and transfusion of allogenic banked blood products

Standard of Care Expectant Management of bleeding

Eligibility Criteria

Age18 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult subjects aged 18 to 90
  • Able to provide informed consent
  • Willing to accept autologous or allogenic blood transfusion
  • Scheduled for elective cardiac surgery with cardiopulmonary bypass

You may not qualify if:

  • Pre-operative administration of allogenic blood bank products in the previous 3 months
  • Hemodynamically unstable defined as a systolic blood pressure less than 90 mmHg with a heart rate greater 100 or requiring intravenous vasopressor medications
  • Significant active infection or sepsis defined by positive blood culture or positive wound culture
  • Hemoglobin less than 7 g/dl

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Colorado Hospital

Aurora, Colorado, 80045, United States

RECRUITING

MeSH Terms

Conditions

Heart DiseasesPostoperative Hemorrhage

Condition Hierarchy (Ancestors)

Cardiovascular DiseasesHemorrhagePathologic ProcessesPathological Conditions, Signs and SymptomsPostoperative Complications

Study Officials

  • Nathan Clendenen, M.D.

    University of Colorado - School of Medicine

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Nathan J Clendenen, M.D.

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: The study design is a prospective randomized interventional trial of transfusion of fresh autologous whole blood versus standard of care expectant management of bleeding during elective cardiac surgery.
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 27, 2017

First Posted

July 2, 2017

Study Start

January 24, 2022

Primary Completion

August 1, 2025

Study Completion (Estimated)

September 1, 2026

Last Updated

November 21, 2024

Record last verified: 2024-11

Data Sharing

IPD Sharing
Will not share

Locations