References

rsp

Научно-практическая ревматология

Rheumatology Science and Practice

1995-44841995-4492

IMA-PRESS, LLC

10.14412/1995-4484-2011-567

rsp-705

Research Article

Статьи

Articles

ДИНАМИКА ЛАБОРАТОРНЫХ БИОМАРКЕРОВ У БОЛЬНЫХ РЕВМАТОИДНЫМ АРТРИТОМ НА ФОНЕ ТЕРАПИИ ТОЦИЛИЗУМАБОМ

TIME COURSE OF CHANGES IN LABORATORY BIOMARKERS IN PATIENTS WITH RHEUMATOID ARTHRITIS DURING TOCILIZUMAB THERAPY

Александрова

Елена Николаевна

Aleksandrova

E N

irramnlab@rambler.ru

Панасюк

Е. Ю.

Panasyuk

E Yu

Avdeyeva

A S

Avdeyeva

A S

Новиков

А. А.

Novikov

A A

Лукина

Г. В.

Lukina

G V

Черкасова

М. В.

Cherkasova

M V

Klimova

N V

Klimova

N V

Насонов

Евгений Львович

Nasonov

E L

2011

15062011

493

№3 (2011)

1419

2011

Александрова Е.Н., Панасюк Е.Ю., Avdeyeva A.S., Новиков А.А., Лукина Г.В., Черкасова М.В., Klimova N.V., Насонов Е.Л.

Aleksandrova E.N., Panasyuk E.Y., Avdeyeva A.S., Novikov A.A., Lukina G.V., Cherkasova M.V., Klimova N.V., Nasonov E.L.

Данная работа распространяется под лицензией Creative Commons Attribution 4.0.

This work is licensed under a Creative Commons Attribution 4.0 License.

https://rsp.mediar-press.net/rsp/article/view/705

Цель - изучить динамику лабораторных биомаркеров у больных ревматоидным артритом (РА) через 2, 4 и 8 нед после начала лечения тоцилизумабом (ТЦЗ). Материал и методы. Обследовано 42 больных РА, получивших по две инфузии ТЦЗ в дозе 8 мг/кг внутривенно с интервалом в 4 нед на фоне стабильной терапии базисными противовоспалительными препаратами и глюкокортикоидами. К 8-й неделе терапии у 21 больного наблюдался хороший эффект по критериям EULAR, у 20 - умеренный, у 1 пациента эффект отсутствовал. СОЭ определяли по методу Вестергрена, уровень С-реактивного белка (СРБ) и IgM ревматоидного фактора (РФ) в сыворотке - нефелометрическим методом, антител к циклическому цитруллинированному пептиду (АЦЦП) - иммунохемилюминесцентным методом. Сывороточную концентрацию интерлейкина (ИЛ) 6 измеряли с помощью мультиплексного анализа, IgA РФ, антител к модифицированному цитруллинированному виментину (АМЦВ) и растворимых рецепторов ИЛ 6 (рИЛ-6Р) - методом иммуноферментного анализа. Результаты. У ответивших на терапию ТЦЗ базальные значения: Ме (ИР 25-75 процентили) составляли для СОЭ - 42 (30-70) мм/ч, СРБ - 35,2 (19,2-62,7) мг/л, IgM РФ - 263,0 (95,3-663,0) МЕ/мл, IgA РФ - 347,0 (131,2-789,0) ЕД/мл, АЦЦП - 378,8 (85,8-500,0) ЕД/мл, АМЦВ - 778,6 (190,7-2393,1) ЕД/мл, ИЛ 6 - 182,2 (106,1-462,3) пг/мл, рИЛ-6Р - 267,2 (212,5-310,0) нг/мл. На 2-й неделе терапии ТЦЗ отмечено снижение СОЭ - 12 (6-18) мм/ч, уровней СРБ - 0,5 (0,3-0,9) мг/л, IgM РФ - 174,0 (40,8-513,0) МЕ/мл, IgA РФ - 227,2 (62,1-570,8) ЕД/мл, на 4-й неделе: титров АМЦВ - 313,5 (79,9-960,3) ЕД/мл, сохранявшееся до 8-й недели (р<0,01). Концентрация ИЛ 6 возрастала на 2-й и уменьшалась на 8-й неделе: соответственно 418,4 (287,0-678,3) и 103,4 (39,1-208,5) ОЦ/ЛК (П<0,01). Повышение уровня рИЛ-6Р - 1250,0 (1250,0-1475,0) нг/мл регистрировалось со 2-й по 8-ю неделю применения ТЦЗ (р<0,01). Заключение. Промежуточный анализ эффективности двух инфузий ТЦЗ через 2, 4 и 8 нед после начала терапии свидетельствует о способности ТЦЗ очень быстро индуцировать стойкую положительную динамику иммуновоспалительных маркеров у больных РА.

Objective: to study the time course of changes in laboratory biomarkers in patients with rheumatoid arthritis (RA) 2, 4, and 8 weeks after the initiation of tocilizumab (TCZ) therapy. Subjects and methods. Forty-two RA patients receiving two intravenous infusions of TCZ (8 mg/kg each) at a 4-week interval during steady-state therapy with disease-modifying anti-inflammatory agents and glucocorticoids were examined. At week 8 of therapy, there were good and moderate effects in 21 and 20 patients, respectively, according to the EULAR criteria; no effect was found in 1 patient. Erythrocyte sedimentation rate (ESR) was determined by the Westergren method; the serum levels of C-reactive protein (CRP) and IgM rheumatoid factor (RF) were measured by the nephelometric method; anti-cyclic citrullinated peptide antibodies (ACCPA) were estimated by an ummunoluminescence assay. Serum interleukin (IL) 6 concentrations were measured by multiplex analysis; IgA RF, anti-modified citrullinated vimentin (anti-MCV) antibodies, and soluble IL-6 receptors (sIL-6R) were determined by enzyme immunoassay. Results. The patients who showed a response to TCZ therapy had the basal values: Me (RI 25-75 percentile) was 42 (30-70) mm/hr for ESR, 35.2 (19.2-62.7) mg/l for CRP, 263.0 (95.3-663.0) IU/ml for IgM RF, 347.0 (131.2-789.0) IU/ml for IgA RF, 378.8 (85.8-500.0) IU/ml for ACCPA, 778.6 (190.7-2393.1) IU/ml for anti-MCV, 182.2 (106.1-462.3) pg/ml for IL-6, and 267.2 (212.5-310.0) ng/ml for sIL-6R. At TCZ therapy week 2, there were reductions in ESR [12 (6-18) mm/hr], CRP [0.5(0.3-0.9) mg/l], IgM RF [174.0 (40.8-513.0) IU/ml], and IgA RF [227.2 (62.1-570.8) IU/ml]; at week 4, anti-MCV titers were 313.5 (79.9-960.3) IU/ml, which remained until week 8 (p < 0.01). IL-6 concentrations were increased at week 2 and reduced at week 8; these were 418.4 (287.0-678.3) and 103.4 (39.1-208.5) pg/ml, respectively (p < 0.01). The elevated sIL-6R level of 1250.0 (1250.0-1475.0) ng/ml was recorded at weeks 2 to 8 of TCZ use (p < 0.01). Conclusion. The interim analysis of the efficacy of two TCZ infusions 2, 4, and 8 weeks after the initiation of the therapy suggests that TCZ is able to induce steady-state positive changes in immune-inflammatory markers very rapidly in patients with RA

ревматоидный артритинтерлейкин 6рецепторы интерлейкина 6тоцилизумабСОЭС-реактивный белокIgM/IgA ревматоидные факторыантитела к циклическому цитруллинированному пептидуантитела к модифицированному цитруллинированному виментину

rheumatoid arthritisinterleukin-6interleukin-6 receptorstocilizumaberythrocyte sedimentation rateC-reactive proteinIgM/IgA rheumatoid factoranti-cyclic citrullinated peptide antibodiesanti-modified citrullinated vimentin antibodies

References1

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The authors declare that there are no conflicts of interest present.