Skip to main content
. Author manuscript; available in PMC: 2023 May 1.
Published in final edited form as: Transfusion. 2022 Apr 19;62(5):982–999. doi: 10.1111/trf.16869

TABLE 2.

REDS-IV-P Study Portfolio and Study Categories

Study category Patient population Study title Linked donor-recipient study Analysis of existing database(s) Database queried
Transfusion epidemiology Pediatrics Epidemiology of Neonatal Transfusion No Yes REDS-III patient database (7 hospitals, 2013–20169)
Epidemiology of Pediatric Transfusion No Yes REDS-III patient database (11 hospitals, 2013–201610)
Transfusion in Pediatric Hematology/Oncology and Stem Cell Transplant No Yes REDS-III patient database (11 hospitals, 2013–201611)
Transfusion in Pediatric Cardiac Surgery No Yes REDS-III patient database (3 hospitals, 2013–201612)
Transfusion in Pediatric Craniosynostosis and Neurosurgery No Yes REDS-III patient database (4 hospitals, 2013–2016)

Transfusion recipient outcomes Pediatrics Transfusion in Preterm infants (TIPI) Studyc Yes Yes REDS-IV-P-V2V database and VON database (8 hospitals, 2019–2022)
Adults Donor Genetic and Non-Genetic Factors Affecting Red Blood Cell Transfusion Effectiveness Yes Yes REDS-III-RBC-Omics and REDS-III V2V (4 Blood Centers 2013–201613)
ABO-Incompatible Platelet Transfusions and Associations with Adult Recipient Morbidity and Mortality Yes Yes REDS-III patient database (12 hospitals, 2013–2016)
Adults and Pediatrics RBC-IMProving trAnsfusions for Chronically Transfused Recipients with SCD (RBC-IMPACT) (Domestic) Yes No
The Brazil SCD Cohort Study: Blood Utilization and Patient outcomes Yes No
RBC-IMProving trAnsfusions for Chronically Transfused Recipients with SCD (RBC-IMPACT) – Nested study within the Brazil SCD cohort study Yes
Standardized Echocardiography to Characterize Tricuspid Regulation and Pulmonary Hypertension in Chronically Transfused Patients with SCD - Nested study within the Brazil SCD cohort study No
Rh variants and Unexplained Antibody Study in Patients with SCD - Nested study within the Brazil SCD cohort study Yes
Recipient iron Biomarkers to investigate Transfusion Iron Overload Study - Nested study within the Brazil SCD cohort study Yes

Rapid response to new blood safety issues Adults SARS-CoV-2 studies - REDS-IV-P Epidemiology, Surveillance, and Preparedness of the Novel SARS-CoV-2 Epidemic (RESPONSE) (Domestic)a No No
Blood Donor Arbovirus Surveillance Study (Brazil)a No
REDS-IV-P HIV Studies - Monitoring HIV Incidence in the Context of Anti-retroviral Treatment (ART) or Pre-exposure Prophylaxis (PrEP) Therapies (Brazil)a No
The Blood Safety Implications and Advancing Testing for Screening Donors with HIV Infections Taking Antiretroviral (ART) and Pre-exposure Prophylaxis (PrEP) Therapies Studya No

Blood component quality Adults Donor RBC Storage Characteristics Study Yesd Yesb REDS-III RBC-Omics and REDS-III V2V (4 Blood Banks, 12 hospitals, 2013–2016)
Core Facility Standardization of RBC Biotin-Labeling: A Tool for Researchers to Perform RBC Survival Studies Yes No
a

Blood donor study only.

b

New data added to enrich existing database(s).

c

Databases in collaboration with Non- REDS-IV-P investigators - TIPI_Response_PTMA.

d

The conduct of the linked aspect of this study is contingent upon ongoing donation-based laboratory studies.