Chronic Myeloid Leukaemia Clinical Trial
Official title:
Condition Vasoregulation Function Endothelium in Patients With Chronic Myeloid Leukemia (CML) Getting Tyrosine Kinase Inhibitor (TKI) II Generation Bosutinib
The study will study the state of the endothelium in patients with chronic myeloid leukemia during therapy with the II generation tyrosine kinase inhibitor bosutinib. Patients will be divided into groups receiving nilotinib 800mg/day, bosutinib 500mg/day, and imatinib 600mg/day. A comprehensive examination of patients will be carried out, including a clinical examination, a study of biochemical markers of endothelial damage and the functional state of the vascular wall. An algorithm will be developed for assessing the state of endothelial function in patients with ph-positive chronic myeloid leukemia in the chronic phase when using the second-generation tyrosine kinase inhibitor bosutinib.
Purpose: To assess the state of endothelial vasoregulatory function in patients with chronic myelogenous leukemia receiving the II generation tyrosine kinase inhibitor bosutinib as a second line of therapy based on a comprehensive assessment of biochemical markers of endothelial damage and the results of laser Doppler flowmetry. Description of the Protocol: At the first stage, study groups will be formed. The study groups will consist of 70 patients with ph-positive chronic myeloid leukemia in the chronic phase, aged 40 to 60 years, receiving nilotinib at a dose of 800 mg / day. (35 people) and bosutinib at a dose of 500 mg/day. (35 people) matched by sex and age. The control group will consist of 35 patients matched by gender and age with ph-positive chronic myeloid leukemia in the chronic phase, aged 40 to 60 years, receiving imatinib at a dose of 600 mg/day. (35 people). At the second stage, it is planned to conduct a comprehensive examination of patients, including a clinical examination, a study of biochemical markers of endothelial damage and the functional state of the vascular wall. At the third stage, the relationship between the results of laboratory methods for assessing endothelial function and dynamic parameters of microcirculation, determined by laser Doppler flowmetry in patients with ph-positive chronic myeloid leukemia in the chronic phase, receiving therapy with the II generation tyrosine kinase inhibitor bosutinib, will be analyzed. At the fourth stage, it is planned to develop an algorithm for assessing the state of endothelial function in patients with ph-positive chronic myelogenous leukemia in the chronic phase using the second generation tyrosine kinase inhibitor bosutinib. Scientific novelty 1. For the first time, an assessment of the state of endothelial function will be given on the basis of a comprehensive study using the Doppler flowmetry method and the determination of biochemical indicators of endothelial damage in patients with ph-positive chronic myeloid leukemia in the chronic phase while taking the II generation tyrosine kinase inhibitor bosutinib. 2. For the first time, an algorithm will be proposed for diagnosing the state of endothelial function in patients with ph-positive chronic myeloid leukemia in the chronic phase when using therapy with the II generation tyrosine kinase inhibitor bosutinib, based on the use of a multifactorial method of mathematical modeling. Practical significance Indicators will be determined that reflect the state of the vasoregulatory function of the endothelium in patients with ph-positive chronic myeloid leukemia in the chronic phase when using therapy with II generation tyrosine kinase inhibitors bosutinib. Taking into account the identified changes, an algorithm will be developed for assessing the state of endothelial function in patients with ph-positive chronic myeloid leukemia in the chronic phase when using the second-generation tyrosine kinase inhibitor bosutinib. Expected results Based on a comprehensive analysis of indicators of endothelial vasoregulatory function, including biochemical parameters and an assessment of the information content of the laser Doppler flowmetry method, an algorithm for assessing the state of endothelial function in patients with ph-positive chronic myeloid leukemia in the chronic phase against the background of taking the II generation tyrosine kinase inhibitor bosutinib will be developed. ;
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