Cited by 21Pregnancy and preeclampsia studiesBirth, Development, and HealthPreterm Birth and Chorioamnionitis

Angiogenic factors versus fetomaternal Doppler for fetal growth restriction at term: an open-label, randomized controlled trial

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Garcia-Manau, Pablo, Bonacina, Erika, Martin-Alonso, Raquel, Martin, Lourdes, Palacios, Ana, Sanchez-Camps, Maria Luisa, Lesmes, Cristina, Hurtado, Ivan +34 more·2025·Nature Medicine

Abstract

Small fetuses, with estimated fetal weight (EFW) below the tenth percentile, are classified as fetal growth restriction (FGR) or small for gestational age (SGA) based on prenatal ultrasound. FGR fetuses have a greater risk of stillbirth and perinatal complications and may benefit from serial ultrasound scans to guide early delivery. Abnormal serum angiogenic factors, such as the soluble fms-like tyrosine kinase-1 (sFlt-1):placental growth factor (PlGF) ratio, have shown potential to more accurately distinguish FGR from SGA, with fewer false positives. This randomized controlled trial compared a management protocol based on the sFlt-1:PlGF with EFW and Doppler ultrasound in avoiding adverse perinatal outcomes in small fetuses after 36 weeks of gestation. A total of 1,088 pregnant women with singleton pregnancies were randomized to either the Doppler-based (control) or the sFlt-1:PlGF-based (intervention) protocol. The primary outcome, neonatal acidosis or Cesarean delivery as a result of abnormal cardiotocography, was assessed in 1,013 participants. The incidence was 10.5% in the intervention group and 10.0% in the control group (absolute difference, 0.53 (-3.21 to 4.26)), with the upper limit of the confidence interval <8.5%, confirming noninferiority. Thus, the sFlt-1:PlGF was noninferior to EFW and Doppler ultrasound in avoiding neonatal acidosis or Cesarean delivery owing to nonreassuring fetal status in small fetuses after 36 weeks (ClinicalTrials.gov registration: NCT04502823 ).

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Authors
Garcia-Manau, P., Bonacina, E., Martin-Alonso, R., Martin, L., Palacios, A., Sanchez-Camps, M. L., Lesmes, C., Hurtado, I., Perez, E., Tubau, A., Ibañez, P., Alcoz, M., Valiño, N., Moreno, E., Borrero, C., Garcia, E., Lopez-Quesada, E., Diaz, S., Broullon, J. R., Teixidor, M., Chulilla, C., Ferrer-Costa, R., Gil, M. M., Lopez, M., Ramos-Forner, G. M., Blanco, J. E., Moreno, A., Lázaro-Rodríguez, M., Vaquerizo, O., Soriano, B., Fabre, M., Gomez-Valencia, E., Cuiña, A., Alayon, N., Sainz-Bueno, J. A., Vives, A., Esteve, E., Ocaña, V., López, M. Á., Maroto, A., Carreras, E., & Mendoza, M.
Affiliations
  • Universitat Autònoma de Barcelona (ES)
  • Universidad Francisco de Vitoria (ES)
  • Universitat de Miguel Hernández d'Elx (ES)
  • Hospital Universitario Virgen de la Arrixaca (ES)
  • Universidad de Oviedo (ES)
  • Hospital Son Llatzer (ES)
  • Hospital Clínico Universitario Lozano Blesa (ES)
  • Althaia (ES)
  • Hospital General Universitario de Elche (ES)
  • Hospital Universitario de Valme (ES)
  • Hospital Universitario de Getafe (ES)
  • Universitat de Girona (ES)
  • Hospital Universitario Nuestra Señora de Candelaria (ES)
  • Corporació Sanitària Parc Taulí (ES)
  • Hospital Universitari Germans Trias i Pujol (ES)
  • Universidade da Coruña (ES)
  • University Hospital Mútua de Terrassa (ES)
  • Hospital Universitario Puerta del Mar (ES)
Corresponding author
Mendoza, Manel
Venue
Nature Medicine
Published
2025-01-07
Volume
31
Issue
3
Pages
1008-1015
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W4406150764
Cited by
21
References
31
Citations by year
2026: 10 · 2025: 11
FWCI
24.47
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Dipòsit Digital de Documents de la UAB (Universitat Autònoma de Barcelona) (submittedVersion, other-oa)
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
  • Health Sciences › Medicine › Epidemiology › Preterm Birth and Chorioamnionitis
Keywords
fetal growth restriction, small for gestational age, sFlt-1/PlGF ratio, angiogenic factors, estimated fetal weight, non-inferiority, neonatal acidosis, cesarean section, term pregnancy, fetal distress, perinatal outcomes
MeSH terms
Placenta Growth Factor, Adult, Female, Fetal Growth Retardation, Gestational Age, Humans, Infant, Newborn, Infant, Small for Gestational Age, Pregnancy, Ultrasonography, Prenatal, Ultrasonography, Doppler, Fetal Weight, Vascular Endothelial Growth Factor Receptor-1, Angiogenesis Inducing Agents

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