Immunotherapy is a type of treatment that uses a person's own immune system to fight diseases, particularly cancer. It works by boosting or modifying the immune system so it can better recognize, attack, and destroy cancer cells
How Immunotherapy Works
- The immune system naturally protects the body from infections and diseases, including cancer. However, cancer cells can evade or suppress the immune response.
- Immunotherapy helps the immune system overcome these barriers by:
- Enhancing the immune system’s ability to detect cancer cells.
- Blocking signals that cancer cells use to hide from immune cells.
- Stimulating immune cells to attack cancer more effectively
Types of Immunotherapy
There are several types of immunotherapy, each working in different ways:
- Monoclonal antibodies: Lab-made proteins that can target specific cancer cells.
- Checkpoint inhibitors: Drugs that block immune checkpoints, preventing cancer cells from turning off immune responses.
- Cancer vaccines: Designed to stimulate the immune system to attack cancer cells.
- Cytokines: Proteins that boost immune cell activity.
- CAR T-cell therapy: Genetically modifies a patient’s T cells to better recognize and attack cancer cells.
- T-cell transfer therapy: Enhances the natural ability of T cells to fight cancer by selecting or modifying them outside the body before reinfusion
Usage and Effectiveness
- Immunotherapy can be used alone or combined with other treatments like chemotherapy.
- It is a standard treatment for certain types of cancer and is being researched for more applications.
- The suitability of immunotherapy depends on the cancer type, stage, and previous treatments.
- Testing may be required to determine if immunotherapy is likely to be effective for a particular patient
In summary, immunotherapy harnesses and enhances the body's immune system to identify and destroy cancer cells, representing a significant advancement in cancer treatment