Efficacy and tolerability of lenvatinib in patients with radioiodine-refractory differentiated thyroid cancer: results of a multicenter observational study in the Russian Federation

Author:

Borodavina E. V.1ORCID,Isaev P. A.1,Shurinov A. Yu.1ORCID,Rumyantsev P. O.2ORCID,Krylov V. V.1,Petrosyan K. M.1ORCID,Kaprin A. D.1ORCID,Ivanov S. A.1ORCID,Podvyaznikov S. O.3ORCID,Romanov I. S.4ORCID,Mudunov A. M.4ORCID,Slashchuk K. Yu.2ORCID,Zhikhorev R. S.5,Volkonsky M. V.5,Chagova R. M.6,Suslova I. R.7,Khryapa A. I.8,Lepshokova A. Kh.9,Fadeeva N. L.10,Safarova A. R.11,Kaleykina L. P.12,Lymar E. V.13,Chernyakova E. M.14,Snezhko O. A.9,Zinkovskaya A. E.15,Mufazalov F. F.16,Kuzmina E. S.17,Druzhinina Yu. V.18,Musin Sh. I.16,Mukhitova M. R.11,Khasanova A. I.11,Safina S. Z.11,Kirienko S. L.3

Affiliation:

1. A. Tsyb Medical Radiological Research Center – branch of the National Medical Research Radiological Center, Ministry of Health of Russia

2. National Medical Research Center for Endocrinology, Ministry of Health of Russia

3. Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia

4. N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia

5. Moscow City Oncology Hospital No. 62, Moscow Healthcare Department

6. S.P. Botkin City Clinical Hospital, Moscow Healthcare Department

7. Oncological Dispensary No. 4, Moscow Healthcare Department

8. Saint Petersburg Clinical Scientific and Practical Center for Specialised Types of Medical Care (Oncological)

9. Oncological Dispensary of Rostov Region

10. S.G. Primushko Republican Clinical Oncologic Dispensary, Ministry of Health of the Udmurt Republic

11. Republican Clinical Oncological Dispensary, Ministry of Health of the Tatarstan

12. Republican Clinical Oncological Dispensary of the Republic of Mordovia

13. Clinical Oncology Dispensary No. 1, Ministry of Health of Krasnodar Region

14. Republican Oncological Dispensary of the Republic of Karelia

15. 5City Clinical Oncology Dispensary

16. Republican Clinical Oncological Dispensary, Ministry of Health of the Republic of Bashkortostan

17. Regional Cancer Center, Salekhard District Clinical Hospital

18. Multidisciplinary Clinical Medical Center “Medical City”

Abstract

Background. The implementation of tyrosine kinase inhibitors into clinical practice improved treatment outcomes in patients with radioiodine-refractory differentiated thyroid cancer (RR-DTC). Lenvatinib is recommended as a first-line drug for these patients. The study objective is to analyze clinical experience with lenvatinib in patients with RR-DTC in the Russian Federation. Materials and methods. The data from 18 clinical sites in Russia was analyzed for the period December 2015 and September 2019. Seventyseven patients with histologically verified DTC, proven resistance to radioactive iodine therapy, and tumor progression (according to the Response Evaluation Criteria In Solid Tumors 1.1 criteria) were included in the study. Results.Median progression-free survival in patients included into analysis (n = 72) was 26.1 months. In patients who responded to therapy (including those with partial and complete response), median progression-free survival reached 36.2 months, which is higher than that reported in the updated results of the SELECT study (33.1 months). Lenvatinib-associated adverse events (AEs) were observed in 87 % of patients. Severe AEs were registered in 18.2 % of participants. In 6.5 % of cases, AEs lead to lenvatinib cessation; in 74 % of cases, AEs required dose reduction.Conclusion. Our findings suggest high efficacy and good tolerability of lenvatinib in patients with RR-DTC in routine clinical practice in the Russian Federation.

Publisher

Publishing House ABV Press

Subject

Pharmacology (medical),Cancer Research,Radiology Nuclear Medicine and imaging,Oncology,Otorhinolaryngology,Surgery

Reference13 articles.

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