Julius S. Ngwa, Ph.D.
Research Faculty and Biostatistician
Julius S. Ngwa, Ph.D., is a Biostatistician and Research Faculty (Assistant Professor) in the Developing Brain Institute (DBI) at Children’s National Hospital. At DBI, Julius collaborates with investigators at various stages of the research process, from study design and proposal development to study conduct and information management, through data analyses and results interpretation.
Key Studies
| July 2026 | Ngwa J, Andescavage NN, Basu S, Ottolini K, Kapse K, Murnick J, Limperopoulos C, du Plessis A, Govindan RB. Quantitative Measures of Autonomic Cardiorespiratory Maturation in Preterm Infants Are Associated With Brain Volumes at Term Age. Early Human Development. 2026 Jul;218:106542. doi: 10.1016/j.earlhumdev.2026.106542. Epub 2026 Mar 24. PMID: 41886974; PMCID: PMC13077703 | view |
| February 2026 | Jacobwitz M, Ngwa J, Kapse K, Limperopoulos C, Andescavage N. Charting Normative Reference Values and Z-Scores for MRI-Derived in Vivo Placental Growth. Pediatric Radiology. 2026 Feb;56(2):384-392. doi: 10.1007/s00247-025-06469-y. Epub 2025 Nov 15. PMID: 41240082; PMCID: PMC12881100 | view |
| November 2025 | Ottolini KM, Basu SK, Ngwa J, Kapse K, Murnick J, Cook KM, Wu Y, Watson TT, du Plessis AJ, Limperopoulos C, Andescavage N. Donor Human Milk and Structural Brain Development in Very Preterm Infants. Pediatric Research. 2025 Nov 1:10.1038/s41390-025-04539-3. doi: 10.1038/s41390-025-04539-3. Epub ahead of print. PMID: 41174153; PMCID: PMC12959636 | view |
| July 2025 | Kocher K, Ngwa J, Bhattacharya S, Donofrio M, Limperopoulos C, Andescavage N. Epigenomic Signatures of Accelerated Epigenetic Aging Are Associated With Congenital Heart Disease in Newborns. BMC Medical Genomics. 2025 Jul 28;18(1):121. doi: 10.1186/s12920-025-02189-2. PMID: 40722095; PMCID: PMC12305921 | view |
Date: April 2022
Seed M, Limperopoulos C. In Utero Brain Growth Matters for Fetuses With Congenital Heart Disease. Circulation. 2022 Apr 12;145(15):1120-1122. doi: 10.1161/CIRCULATIONAHA.122.058683. Epub 2022 Apr 11. PMID: 35404677
View: https://pubmed.ncbi.nlm.nih.gov/35404677
Date: January 2010
Limperopoulos C, Tworetzky W, McElhinney DB, Newburger JW, Brown DW, Robertson RL Jr, Guizard N, McGrath E, Geva J, Annese D, Dunbar-Masterson C, Trainor B, Laussen PC, du Plessis AJ. Brain Volume and Metabolism in Fetuses With Congenital Heart Disease: Evaluation With Quantitative Magnetic Resonance Imaging and Spectroscopy. Circulation. 2010 Jan 5;121(1):26-33. doi: 10.1161/CIRCULATIONAHA.109.865568. Epub 2009 Dec 21. PMID: 20026783; PMCID: PMC2819908
View: https://pmc.ncbi.nlm.nih.gov/articles/PMC2819908
Date: February 2024
Wu Y, De Asis-Cruz J, Limperopoulos C. Brain Structural and Functional Outcomes in the Offspring of Women Experiencing Psychological Distress During Pregnancy. Molecular Psychiatry. 2024 Jul;29(7):2223-2240. doi: 10.1038/s41380-024-02449-0. Epub 2024 Feb 28. PMID: 38418579; PMCID: PMC11408260
View: https://pubmed.ncbi.nlm.nih.gov/38418579
Date: April 2022
Wu Y, Espinosa KM, Barnett SD, Kapse A, Quistorff JL, Lopez C, Andescavage N, Pradhan S, Lu YC, Kapse K, Henderson D, Vezina G, Wessel D, du Plessis AJ, Limperopoulos C. Association of Elevated Maternal Psychological Distress, Altered Fetal Brain, and Offspring Cognitive and Social-Emotional Outcomes at 18 Months. JAMA Network Open. 2022 Apr 1;5(4):e229244. doi: 10.1001/jamanetworkopen.2022.9244. PMID: 35486403; PMCID: PMC9055453
View: https://pubmed.ncbi.nlm.nih.gov/35486403