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Эффективность деносумаба при гигантоклеточной опухоли кости
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Ключевые слова: гигантоклеточная опухоль кости, деносумаб, остеопротегерин.
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Studies of the mechanisms of giant cell tumor of the bone have confirmed the pivotal role of the RANK-RANKL-OPG (receptor activator of nuclear factor kappa-b – receptor activator of nuclear factor kb ligand – osteopretegerin ligand) system and also shown that stromal cells (spindle-shaped fibroblasts) carry a tumor potential. The paper gives the results of 2 investigations of the novel monoclonal antibody denosumab, an osteoprotegerin analogue, in 199 patients with giant cell tumor of the bone. Both X-ray evaluation and morphological re-examination of the tumor revealed the high efficacy of denosumab, which was attended by normalization of enhanced osteolysis. It was shown that there was a possibility of performing the lower volume of surgery or postponing the latter to a later time in patients with a potentially operable tumor, without causing damage to them.
Key words: giant cell tumor of the bone, denosumab, osteoprotegerin.
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ФГБУ Российский онкологический научный центр им. Н.Н.Блохина РАМН, Москва
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N.N.Semenov