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For example, assuming a 99% kill per cycle of chemotherapy, a tumor of 10 11 cells would be reduced to less than one cell with six treatment cycles: 10 11 * 0.01 6 < 1. [3] However, the tumor can also re-grow during the intervals between treatments, limiting the net reduction of each fractional kill. [4]
Cancer cells can also cause defects in the cellular pathways of apoptosis (programmed cell death). As most chemotherapy drugs kill cancer cells in this manner, defective apoptosis allows survival of these cells, making them resistant. Many chemotherapy drugs also cause DNA damage, which can be repaired by enzymes in the cell that carry out DNA ...
Cancer treatments are a wide range of treatments available for the many different types of cancer, with each cancer type needing its own specific treatment. [1] Treatments can include surgery, chemotherapy, radiation therapy, hormonal therapy, targeted therapy including small-molecule drugs or monoclonal antibodies, [2] and PARP inhibitors such as olaparib. [3]
Chemotherapy can boost tumor immunity in two main ways: (a) by killing cancer cells through immunogenic cell death, and (b) by affecting both cancerous and normal cells in the tumor environment. Despite this, many chemotherapy treatments can also suppress the immune system by causing lymphopenia or impairing lymphocyte function. Integrating ...
Low-dose chemotherapy is being studied/used in the treatment of cancer to avoid the side effects of conventional chemotherapy. Historically, oncologists have used the highest possible dose that the body can tolerate in order to kill as many cancer cells as possible. [1] After high-dose treatments, the body reacts, sometimes quite severely.
The chemotherapy drug 5-FU can be toxic to some people with cancer. A quick, cheap test can show if chemo is safe for a patient, but few doctors order it. A quick, cheap test could protect against ...
By attaching a chemotherapy drug to an antibody, doctors are able to deliver more potent cancer-fighting medicines directly into tumor cells, all while causing fewer side effects.
The resulting decay reaction yields high-energy alpha particles that kill the cancer cells that have taken up enough 10 B. All clinical experience with NCT to date is with boron-10; hence this method is known as boron neutron capture therapy (BNCT). [1]
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