She possesses extensive experience in academic, scientific, and clinical practice. Serves as a practicing physician and consultant at the Ternopil Regional Children’s Clinical Hospital, effectively combining her clinical expertise with academic responsibilities. Author of numerous scientific publications and an active participant in national and international medical conferences.
Scientific Activities
Ukrainian Scientific Projects
- 0123U100301 – “Assessment of Quality of Life and Psychological State of Children with Prolonged COVID-19 in Wartime Conditions” (funded by the Ministry of Health of Ukraine) – Project Leader (2023–2025).
- 0122U000039 – “Improvement of Diagnosis, Treatment, and Rehabilitation Methods for the Most Common Childhood Diseases” – Project Leader (2022–2024).
- 0120U104282 – “Pilot Study on Neonatal Screening for Primary Immunodeficiencies Using TRECs and KRECs for T- and B-lymphopenia Detection” (funded by the Ministry of Health of Ukraine) – Project Leader (2020–2022).
- 0121U100069 – “Features of Vitamin and Mineral Status in Healthy Children and in Children with Socially Significant Diseases” (funded by the Ministry of Health of Ukraine) – Researcher (2021–2022).
International Scientific Projects:
“Implementation of a Model Combining Physician Training and Public Awareness with the Diagnostic Infrastructure for Primary Immunodeficiencies in Children” (Grant from Jeffrey Modell Foundation, USA) – Principal Investigator (2017–2019). International Consortium “COVID Human Genetic Effort” – Clinical Researcher. Joint ESID & PRINTO Project – “International Registry of Hyperinflammation Associated with COVID-19 in Children and Young Adults (HyperPED-COVID)” – Researcher. International BATS Consortium – Study of Best Treatment Practices for MIS-C (Multisystem Inflammatory Syndrome in Children). Research Project of Yale University School of Medicine, USA – “Genomics of Inherited Immune System Diseases”. PRINTO Project – “Study on the Classification of Juvenile Idiopathic Arthritis”. Joint Mega Grant from 3Billion – Diagnosis of Rare Genetic Diseases Using Whole Exome Sequencing (WES).
Education:
- 2008–2013 – Ternopil State Medical University named after I. Horbachevsky, Doctor of Medical Sciences in Pediatrics.
- 1996–1999 – Ternopil State Medical Institute, Postgraduate Studies.
- 1994–1996 – Ternopil State Medical Institute, Master’s Degree.
- 1988–1994 – Ternopil State Medical Institute, Diploma with Honors in General Medicine.
- 1980–1984 – Sokal Secondary School No. 3 (Advanced English Studies), Gold Medal.
- 1974–1980 – Potoritska Eight-Year School, Sokal District, Lviv Region.
Professional Development:
- June 2023 – Hereditary Angioedema School, Yaremche, Ukraine
- December 2022 – Primary Immunodeficiencies School, Uzhhorod, Ukraine
- September 2019 – Practical Training on Spina Bifida, Bratislava, Slovakia
- April 2018 – Child-Help International Program on Kidney Preservation and Continuous Care for Children with Spina Bifida, Antwerp, Belgium
- June 2018 – MacEwan University, Edmonton, Canada – International Faculty Development Workshop Series
- October 2017 – American-Austrian Foundation, Salzburg, Austria – Medical Seminar “Medical Leadership”
- March 2017 – Wrocław Medical University, Poland – ERASMUS+ Staff Mobility (Department of Clinical Immunology and Pediatrics)
- September 2016 – American-Austrian Foundation, Salzburg, Austria – Medical Seminar “Medical Education”
- October 2015 – Aristotle University, Thessaloniki, Greece – Clinical Internship in Pediatric Immunology, Rheumatology, and Pediatrics
- November 2012 – Wrocław Medical University, Poland – Clinical Internship in Pediatric Immunology and Pediatrics
- October 2011 – Kyiv, Ukraine – UNICEF Vaccination Training
- June 2009 – American-Austrian Foundation, Salzburg, Austria – Medical Seminar “General Pediatrics”
Work Experience:
- September 2016 – Present – Head of the Department of Pediatric Diseases and Pediatric Surgery, Ternopil National Medical University named after I. Horbachevsky
- July 2014 – August 2016 – Dean of the Medical Faculty, Ternopil National Medical University
- May 2014 – August 2016 – Professor, Department of Pediatric Diseases and Pediatric Surgery, Ternopil State Medical University
- September 2010 – July 2014 – Deputy Dean, Faculty of Postgraduate Education, Ternopil State Medical University
- 2008 – 2014 – Associate Professor, Department of Pediatrics, Faculty of Postgraduate Education, Ternopil State Medical University
- 1999 – 2008 – Assistant Professor, Department of Pediatrics, Faculty of Postgraduate Education, Ternopil State Medical University
- December 1996 – November 1999 – Postgraduate Researcher, Department of Pediatrics, Faculty of Postgraduate Education, Ternopil State Medical University
- August 1994 – September 1996 – Internship and Master’s in Pediatrics, Ternopil City Children’s Clinical Hospital, Ternopil State Medical University
Language Competence:
- Ukrainian – Native
- English – B2 (FCE Certificate)
Publications:
- Total Publications: 362
- Scopus-Indexed Publications: 102
- h-index (Scopus): 17
- Boyarchuk O, Stepanovskyy Y, Strelnykova O. The impact of the Russian invasion on healthcare of patients with inborn errors of immunity and on the professional activity of immunologists in Ukraine. J Clin Immunol. 2023 Aug;43(6):1152-1154. doi: 10.1007/s10875-023-01516-5.
- Boyarchuk O, Dyvonyak O, Hariyan T, Volokha A. Case report: Virus-induced hemophagocytic lymphohistiocytosis in a patient with APECED. Front Pediatr. 2023 Feb 15;11:1086867. doi: 10.3389/fped.2023.1086867.
- Boyarchuk O, Kovalchuk T. Overlapping clinical features of systemic juvenile idiopathic arthritis and SARS-CoV-2-related multisystem inflammatory syndrome in children. Reumatologia. 2023;61(1):63-70. doi: 10.5114/reum/161185.
- Kovalchuk T, Boyarchuk O. Serum vitamin D levels in children and adolescents with vasovagal syncope, syncope due to orthostatic hypotension, and cardiac syncope. Turk Arch Pediatr. 2023 Jan;58(1):42-48. doi: 10.5152/TurkArchPediatr.
- Channon-Wells S, Vito O, et al.; Best Available Treatment Study (BATS) consortium. Immunoglobulin, glucocorticoid, or combination therapy for multisystem inflammatory syndrome in children: a propensity-weighted cohort study. Lancet Rheumatol. 2023 Apr;5(4):e184-e199. doi: 10.1016/S2665-9913(23)00029-2.
- Boyarchuk O, Yarema N, Kravets V, et al. Newborn screening for severe combined immunodeficiency: The results of the first pilot TREC and KREC study in Ukraine with involving of 10,350 neonates. Front Immunol. 2022;13:99966.
- Boyarchuk O, Dobrovolska L, Svystunovych H. Selective immunoglobulin A deficiency in children with diabetes mellitus: Data from a medical center in Ukraine. PLoS One. 2022 Nov 17;17(11):e0277273. doi: 10.1371/journal.pone.0277273.
- Zhang Q, Bastard P, COVID Human Genetic Effort, Cobat A, Casanova JL. Human genetic and immunological determinants of critical COVID-19 pneumonia. Nature. 2022;603(7902):587-598.
- Bastard P, Rosen LB, Zhang Q, et al. Autoantibodies against type I IFNs in patients with life-threatening COVID-19. Science. 2020;370(6515):eabd4585.
- Zhang Q, Bastard P, Liu Z, et al. Inborn errors of type I IFN immunity in patients with life-threatening COVID-19. Science. 2020;370(6515):eabd4570.
- Erdos M, Boyarchuk O, Marodi L. Case report: Association between cyclic neutropenia and SRP54 deficiency. Front Immunol. 2022;13:975017.
- Kovalchuk T, Boyarchuk O. Serum pyridoxine, folate, cobalamin, and homocysteine levels in children presenting with vasovagal syncope. Cardiol Young. 2022 May;32(5):762-768. doi: 10.1017/S1047951121003036.
- McKnight D, Morales A, Hatchell KE, et al. Genetic testing to inform epilepsy treatment management from an international study of clinical practice. JAMA Neurol. 2022 Dec 1;79(12):1267-1276.
- Hariyan T, Kinash M, Kovalenko R, Boyarchuk O. Evaluation of awareness about primary immunodeficiencies among physicians before and after implementation of the educational program: A longitudinal study. PLoS One. 2020;15(5):e0233342.
- Thalhammer J, Kindle G, Nieters A, et al. Initial presenting manifestations in 16,486 patients with inborn errors of immunity include infections and noninfectious manifestations. J Allergy Clin Immunol. 2021 Apr 23:S0091-6749(21)00654-0. doi: 10.1016/j.jaci.2021.04.015.
- Boyarchuk O, Volokha A, Hariyan T, et al. The impact of combining educational program with the improving of infrastructure to diagnose on early detection of primary immunodeficiencies in children. Immunol Res. 2019. doi: 10.1007/s12026-019-09103-w.
- Maródi L, Abolhassani H, Aghamohamaddi A, et al. The Konya Declaration for Patients with Primary Immunodeficiencies. J Clin Immunol. 2020. doi: 10.1007/s10875-020-00797-4.
- Brodsky NN, Boyarchuk O, Kovalchuk T, et al. Novel compound heterozygous variants in NHLRC2 in a patient with FINCA syndrome. J Hum Genet. 2020;65(10):911-915.
- Boyarchuk O. Allergic manifestations of primary immunodeficiency diseases and its treatment approaches. Asian J Pharm Clin Res. 2018;11(11):83-90.
- Kinash M, Boyarchuk O, Shulhai O, Boyko Y, Hariyan T. Primary immunodeficiencies associated with DNA damage response: complexities of the diagnosis. Arch Balkan Med Union. 2020;55(3):510-517.
- Boyarchuk O, Volyanska L, Dmytrash Y. Clinical variability of the Chromosome 22q11.2 Deletion Syndrome. Cent Eur J Immunol. 2017;42(4):412-417.