Targeted therapy is a cancer treatment approach that utilizes drugs or other substances to specifically zero in on cancer cells, leaving most normal cells untouched. Unlike standard chemotherapy, which attacks all quickly dividing cells, targeted therapy concentrates on the unique molecular and genetic alterations within cancer cells, making it more accurate and often gentler on healthy tissue.
This therapy functions by disrupting particular proteins or genes that support cancer growth and spread. It can block the signals that encourage cancer cell growth, prevent the development of new blood vessels that feed tumors (angiogenesis), or activate the immune system to combat cancer cells. It's frequently utilized for cancers such as breast, lung, colorectal, and blood cancers.
Targeted therapies are often administered orally or intravenously and may be used alone or in conjunction with other therapies. Patients might need to undergo genetic or biomarker testing to ascertain if their cancer is a suitable candidate for targeted therapy. These treatments can be more effective and have fewer adverse effects, but outcomes differ based on the individual and cancer type.
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