VO2 Max: In Vivo Model for Functional Red Cell Testing. Can RECESS be Explained?
1 other identifier
interventional
42
1 country
1
Brief Summary
This is a single-center, randomized, partially blinded study to determine whether 42-day old red blood cells (RBCs) deliver oxygen as effectively as 7-day old RBCs and also to determine whether transfusion with 28-day old RBCs is non-inferior to 7-day old RBCs with respect to oxygen delivery. In this study, subjects will be randomized to be transfused with 2 units of autologous (one's own) RBCs that are either 7-, 28-, or 42-days old. Endpoints include changes in exercise duration and VO2 max (test of oxygen consumption/delivery) between groups.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_4 healthy
Started Jan 2017
Longer than P75 for phase_4 healthy
1 active site
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
First Submitted
Initial submission to the registry
September 27, 2016
CompletedFirst Posted
Study publicly available on registry
September 29, 2016
CompletedStudy Start
First participant enrolled
January 1, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 9, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
November 20, 2019
CompletedResults Posted
Study results publicly available
February 11, 2021
CompletedApril 8, 2021
March 1, 2021
2.6 years
September 27, 2016
December 29, 2020
March 16, 2021
Conditions
Outcome Measures
Primary Outcomes (1)
Percent Change From Baseline in Maximal Oxygen Uptake (VO2 Max) After Blood Cell Transfusion
Percent Change From Baseline in Maximal Oxygen Uptake (VO2 Max) on Day 2 After Blood Cell Transfusion
Baseline (prior to receiving blood) and Day 2 after receiving blood
Secondary Outcomes (1)
Percent Change in Duration of Exercise From Baseline to Day 2 After RBC Transfusion
Baseline and Day 2 after transfusion
Study Arms (3)
7-day old RBCs
EXPERIMENTALTransfusion of 7-day stored red blood cells: Subjects will be transfused with their own 7-day old red blood cells
28-day old RBCs
EXPERIMENTALTransfusion of 28-day stored red blood cells: Subjects will be transfused with their own 28-day old red blood cells
42-day old RBCs
EXPERIMENTALTransfusion of 42-day stored red blood cells: Subjects will be transfused with their own 42-day old red blood cells
Interventions
Subjects will donate blood at Week 0 and Week 5 of their participation and receive, at Week 6, back a transfusion of their Week 5 (7-day old) red blood cells.
Subjects will donate blood at Week 2 and Week 5 of their participation and receive, at Week 6, back a transfusion of their Week 2 (28-day old) red blood cells.
Subjects will donate blood at Week 0 and Week 5 of their participation and receive, at Week 6, back a transfusion of their Week0 (42-day old) red blood cells.
Eligibility Criteria
You may qualify if:
- Habitual exerciser defined as ≥ 30 minutes of at least moderate or high intensity exercise ≥ 3 times per week. After consent, and at the subsequent screening visit, a VO2 max test will be performed, and subjects with a low value (\< 35 mL/kg/min) will be excluded (screen failure). Based on our previous experience, we anticipate that \<10% of the subjects will fall into this category
- Calculated total blood volume (TBV) ≥4,500 mL using an established formula:
- Men: (0.006012 x H3) + (14.6 x W) + 604 = TBV
- Women: (0.005835 x H3) + (15 x W) + 183 = TBV \[H=height in inches; W=weight in pounds\]
- Has access to transportation to visit the blood collection facility and to return to Stony Brook for all study visits.
You may not qualify if:
- Any significant acute or chronic medical illness or problem, including, but not limited to, diabetes, hypertension, cardiac disease, asthma, chronic obstructive lung disease
- Current or recent (last 60 days) tobacco or nicotine use
- History of sickle cell trait or disease or any other acquired or hereditary hematological abnormality
- History of fainting or other significant adverse reaction during phlebotomy or donation of blood
- Known prolonged corrected QT interval (or evidence of such at screening) on electrocardiogram defined as \>470 ms
- Known or suspected illicit drug or alcohol abuse
- Known or suspected HIV, Hepatitis B, or Hepatitis C infection
- History of thrombophilia or anticoagulant therapy
- Pregnancy
- Obesity defined as BMI\>30
- Recent history of blood donation: a) Single whole blood unit donation within the past 8 weeks; b) Double RBC donation by apheresis within the past 16 weeks; or c) Plasma donation by apheresis within the past 4 weeks
- Inadequate RBC mass based on TBV \<4500 ml (above) or screening Hb \<14 g/dL
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Stony Brook Medicine
Stony Brook, New York, 11794-8480, United States
Related Publications (1)
Bennett-Guerrero E, Rizwan S, Rozensky R, Romeiser JL, Brittelli J, Makaryus R, Lin J, Galanakis DK, Triulzi DJ, Moon RE. Randomized controlled trial of 7, 28, vs 42 day stored red blood cell transfusion on oxygen delivery (VO2 max) and exercise duration. Transfusion. 2021 Mar;61(3):699-707. doi: 10.1111/trf.16237. Epub 2020 Dec 27.
PMID: 33368319DERIVED
Results Point of Contact
- Title
- Dr. Elliott Bennett-Guerrero
- Organization
- Stony Brook Medicine
Study Officials
- PRINCIPAL INVESTIGATOR
Elliott Bennett-Guerrero, MD
Stony Brook University
Publication Agreements
- PI is Sponsor Employee
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- OTHER
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor and Vice Chairman
Study Record Dates
First Submitted
September 27, 2016
First Posted
September 29, 2016
Study Start
January 1, 2017
Primary Completion
August 9, 2019
Study Completion
November 20, 2019
Last Updated
April 8, 2021
Results First Posted
February 11, 2021
Record last verified: 2021-03
Data Sharing
- IPD Sharing
- Will not share