Thrombopoietin receptor agonists in pharmacotherapy of pediatric immune thrombocytopenia

Authors

DOI:

https://doi.org/10.18413/rrpharmacology.9.10011

Abstract

Introduction: Thrombopoietin receptor agonists are commonly second-line drugs in immune thrombocytopenia (ITP) pharmacotherapy in children and prescribed for chronic ITP refractory to first-line therapy.

Standard ITP pharmacotherapy in children: includes prescribing glucocorticoids or intravenous immunoglobulins.

Thrombopoietin receptor agonists: Currently Romiplostim and Eltrombopag are used in the Russian Federation pediatrics. Their pharmacodynamic features in comparison with other drugs used in ITP are presented in the paper. Increased thrombocytopoiesis is the dominant, but not the only component of Romiplostim and Eltrombopag mechanism of action. It is relevant to study their effect on immune tolerance in ITP, which may be associated with a persistent platelet response in some patients after drug discontinuation.

Conclusion: The issue of thrombopoietin receptor agonist efficacy and safety as well as the mode of their use in ITP children treatment continues to be studied. The high cost of drugs continues to be a limiting factor to their earlier prescription. Generic drugs – Romiplostim and Eltrombopag partly solve the problem, promote their earlier prescription in ITP, but require additional study of their bioequivalence and therapeutic equivalence in comparison with the original drugs.

Graphical Abstract

 

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Graphical Abstract

Keywords:

immune thrombocytopenia, thrombopoietin receptor agonists, Romiplostim, Eltrombopag

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Author Contribution

Olga S. Levchenkova, Smolensk State Medical University

Doctor Habil. of Medical Sciences, Associate Professor, Department of Pharmacology, e-mail: os.levchenkova@gmail.com, ORCID ID https://orcid.org/0000-0002-9595-6982. The author had a leading role in the planning, information searching, interpretation of the obtained material, drafting the article and its translation into English.

Viktoriya V. Vorobieva, Kirov Military Medical Academy

Doctor Habil. of Medical Sciences, Senior Lecturer, Department of Pharmacology, e-mail: v.v.vorobeva@mail.ru, ORCID ID https://orcid.org/0000-0001-6257-7129. The author analyzed the literature and participated in the data interpreting, and writing the final version of the article.

Vasiliy E. Novikov, Smolensk State Medical University

Doctor Habil. of Medical Sciences, Professor, Head of Department of Pharmacology, e-mail: novikov.farm@yandex.ru,ORCID ID https://orcid.org/0000-0002-0953-7993. The author was engaged in structuring the article and consulted on writing the final version of the article.

Tatiana I. Legonkova, Smolensk State Medical University

Doctor Habil. of Medical Sciences, Professor, Head of Department of Pediatrics Employment, e-mail: legonkova@yandex.ru, ORCID ID https://orcid.org/0000-0001-9401-2579. The author consulted on the research idea, concept and pediatric aspects.

Elena N. Volkova, Voronezh State Medical University named after N.N. Burdenko

Resident of the Department of Neonatology and Pediatrics, e-mail: elena.iwanczowa-lena@yandex.ru, ORCID ID https://orcid.org/0000-0001-8979-3454. The author participated in information searching, interpretation of the obtained data, and drafting the article.

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31-03-2023

How to Cite

Levchenkova OS, Vorobieva VV, Novikov VE, Legonkova TI, Volkova EN (2023) Thrombopoietin receptor agonists in pharmacotherapy of pediatric immune thrombocytopenia. Research Results in Pharmacology 9(1): 49–59. https://doi.org/10.18413/rrpharmacology.9.10011

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Pharmacological reviews