Полный радиологический ответ при использовании пембролизумаба в монорежиме во 2-й линии лекарственной терапии MSI-h / dMMR-положительного распространенного рака эндометрия. Клинический случай

До недавнего времени прогноз больных распространенным раком эндометрия, несмотря на проводимые стандартные методы лечения, оставался неутешительным. Ни один из препаратов в арсенале онкологов-химиотерапевтов не обеспечивал долговременного контроля болезни и длительной выживаемости пациенток, получивших стандартную платиносодержащую химиотерапию 1-й линии. Очевидно, что неудовлетворительные результаты лечения больных распространенным раком эндометрия требовали изменения подходов к терапии и указывали на необходимость разработки более эффективных режимов лечения. Углубленное понимание механизмов канцерогенеза, появление новой молекулярной классификации рака эндометрия и разделение лечебных подходов в зависимости от биологического потенциала опухоли привели к значительному прорыву в лечении распространенного рака эндометрия. Одним из наиболее важных достижений следует считать открытие роли микросателлитной нестабильности (MSI) и нарушений в системе репарации неспаренных оснований дезоксирибонуклеиновой кислоты (MMR) как предиктора высокой эффективности иммунотерапии – нового направления системной лекарственной терапии распространенного рака эндометрия. В статье представлен клинический случай успешного лечения MSI-h / dMMR-положительного распространенного рака эндометрия с использованием в качестве лекарственной терапии 2-й линии (при наличии рефрактерности к стандартной платиносодержащей химиотерапии 1-й линии) пембролизумаба в монорежиме с достижением полного радиологического ответа опухоли на лечение.

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