11 September, Wednesday, 2024
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New drug could help beat aggressive skin cancer that has low survival rates

Researchers at King’s College London and Guy’s and St Thomas, London, have pioneered a drug that could help patients with malignant melanoma skin cancer who are not responding to treatment

Malignant melanoma is the most aggressive skin cancer with poor survival rates for half of patients within five years of diagnosis.

Despite substantial progress in developing immunotherapies (drugs which stimulate the body’s own natural defence system to attack cancer), many patients’ tumours still don’t respond to treatment. Now a new drug pioneered by researchers from King’s College and Guy’s and St Thomas’, London, could help patients who don’t respond to existing treatments.

This new type of immunotherapy shows promising results for fighting melanoma. The results in mice show that it activates our immune response to fight cancer and slow melanoma growth. Many existing immunotherapies used in cancer treatment belong to the antibody type called IgG. However, the researchers have developed an IgE antibody which can marshal the patient’s own immune system to attack cancer in a different way.

Researchers developed an IgE ­antibody to target a marker found on the surface of up to 70% of melanoma cells. This new antibody is pinpoint accurate. The IgE antibody can attach to and activate immune cells found in the blood of melanoma patients to kill human melanoma cancer cells, so it slows down cancer growth.

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