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NCT07502781Not yet recruiting

Heterologous Cord Blood-Derived Red Blood Cell for Transfusion in Extremely Preterm Infants

Multicenter, Randomized, Double-Blind Pilot Clinical Trial Evaluating the Impact of Transfusion With Heterologous Cord Blood-Derived Red Blood Cells Versus Adult Red Blood Cells in Extremely Premature Infants

Source: ClinicalTrials.gov · Last updated 31 Mar 2026

Brief summary (registry, in English)

Anemia is a condition in which there are not enough red blood cells to carry oxygen throughout the body. It is very common in extremely preterm infants (born before 28 weeks of pregnancy), and many of these babies require red blood cell transfusions during their hospital stay. Currently, transfusions are given using red blood cells donated by adults. An alternative option is to use red blood cells collected from umbilical cord blood, which may be more similar to a newborn's own blood. This approach has been used in some neonatal units with encouraging results and no reported safety concerns. This study aims to determine whether transfusion with umbilical cord blood improves clinical outcomes and reduces potential side effects compared to standard adult donor blood transfusion in extremely preterm infants. We hypothesize that umbilical cord blood transfusion will be at least as safe as adult donor blood and may provide clinical benefits. About 115 extremely preterm infants admitted to neonatal units in Catalonia will participate. If parents agree, their baby will be randomly assigned to receive either compatible umbilical cord blood or compatible adult donor blood if a transfusion becomes necessary. Babies will only receive a transfusion if they clinically need one. If cord blood is not available at the time of transfusion, the baby will receive compatible adult donor blood regardless of the assigned group. To evaluate the response to treatment, small blood samples will be collected at birth, at one month of life, and 24 hours after any transfusion. These samples are taken at the same times as routine blood tests, so participation does not require additional needle sticks. The amount of blood collected is minimal (about 0.2 mL per sample). In addition, a painless and non-invasive sensor will be placed on the baby's head for 24 hours to measure oxygen delivery to the brain. Urine samples will also be collected before and after transfusion to help assess how oxygen reaches body tissues. Participation will continue until the baby reaches 36 weeks of postmenstrual age or is discharged from the hospital, whichever comes first.

Status (registry)
Not yet recruiting
Study type
Interventional
Enrollment
176 (estimated)
First submitted
16 Mar 2026
Start date
Jan 2027
Primary completion date
Dec 2028
Lead sponsor
Hospital Clinic of Barcelona
NCT number
NCT07502781

What you commit to

  • Study type: Interventional
  • Planned participants: 176
  • From Jan 2027 to the primary completion date, Dec 2028
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Prior red blood cell transfusion during the fetal or neonatal period.

Other illness

  • Congenital infections.

Other

  • Maternal-fetal immunization (e.g., isoimmunization).
  • Fetal hydrops.
  • Major congenital malformations.
  • Immediate need for blood before randomization (e.g., hemorrhagic shock, consumptive coagulopathy).
  • Participation in another clinical trial that could interfere with the primary outcome.

Who the study is looking for

  • Signed informed consent obtained from parents or legal guardians.
  • Gestational age at birth \< 28 weeks or birth weight \< 1000 g.
  • Admission to one of the participating neonatal intensive care units (NICUs) in the Barcelona area.

Age in the registry: 23 weeks to 28 weeks · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Hospital Clínic de Barcelona - Maternitat
Coordinator of this site? Confirm its status
BarcelonaSpainUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.