Нов кръвен тест засича рак на яйчниците в ранните стадии
Американски учени обявиха, че нов разработен от тях кръвен тест може да открива рак на яйчниците още в ранните му етапи. Според специалистите това постижение има потенциала да подобри значително лечението и шансовете за оцеляване на жените, страдащи от заболяването.
Как работи тестът?
Тестът отчита два вида кръвни маркери при пациентки със симптоми като болки и подуване в тазовата област. След това специален алгоритъм анализира данните и разпознава промени, които са трудно забележими от човека.
Технологията е разработена от американската биотехнологична компания AOA Dx. Тя се базира на откриване на липиди от фрагменти на ракови клетки и определени протеини, които се освобождават в кръвта дори в ранните стадии на заболяването. Алгоритъмът е обучен върху хиляди проби, за да идентифицира специфичните модели на липиди и протеини.
Резултати от изследванията
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В изследване с 832 проби, проведено от Манчестърския университет и Университета на щата Колорадо, тестът показва впечатляваща точност.
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При пробите от Колорадо той засича заболяването в 93% от всички стадии и в 91% от ранните стадии.
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При пробите от Манчестър точността е 92% за всички стадии и 88% за ранните стадии.
Значение за жените над 50 години
Ракът на яйчниците засяга най-често жени над 50-годишна възраст и обикновено се диагностицира в късни стадии, когато лечението е много по-трудно. Сред основните симптоми са:
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постоянни болки в корема;
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подуване и чувство за ситост след малко количество храна;
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често уриниране.
Перспективи
Главният учен на AOA Dx, Абигейл Макелхини, коментира:
„Чрез тази платформа можем да подобрим ранното диагностициране на рака и да осигурим по-добри резултати за пациентите при по-ниски разходи за здравната система.“
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