How to Generate the Best Chemotherapy Drug
Cancer refers to the uncontrolled growth of cells combined with malignant behavior – invasion and metastasis. It seams that the cause of the condition is a combination of genetic predisposition and the exposure to some environmental toxins. Basically, the principle that makes a chemotherapy drug functional is the impairment of the cellular division of tissues with a fast growth rate. The fact that these drugs destroy cells leads to their being named cytotoxic.
In broad general terms, chemotherapy kills cells by means of chemical substances. Particularly speaking, chemotherapy aims at destroying cancer and invasive micro-organisms that remain unaffected to other forms of treatment. Chemotherapy usually refers to antineoplastic drugs which are used to treat cancer or to the combination of these drugs into a cytotoxic standardized treatment regimen. From a non-oncological perspective, the term chemotherapy also refers to antibiotics – this is known as antibacterial chemotherapy.
A chemotherapy drug, or the drug cocktail established by the doctor, functions by destroying cells that divide quickly. Unfortunately, these drugs also affect/attack other healthy cells that divide rapidly. The collateral casualties produced by a chemotherapy drug are digestive tract linings, the bone marrow and the hair follicles. These results on the normal rapid-dividing cells are the side effects of chemotherapy: alopecia – hair loss, myelosuppression – decreased production of blood cells, and mucositis – inflammation of the digestive tract.
Among the other uses of the chemotherapy drug and cytostatic chemotherapy agents there are the treatment of autoimmune diseases (multiple sclerosis, rheumatoid arthritis) and the suppression of transplant rejections. More modern cancer treatments known as targeted therapy use anti-cancer medication that attacks only the abnormal proteins in cancer cells.
Different classes of chemotherapy drug medication are available at present. Most of the drugs can be divided into alkylating agents, antimetabolites, plant alkaloids, topoisomerase inhibitors, anthracyclines, and other antitumor agents. Some newer agents, like monoclonal antibodies and tyrosine kinase inhibitors, do not interfere directly with the DNA as do the above mentioned ones.
Such modern drugs target a molecular abnormality in peculiar types of cancer such as gastrointestinal stromal tumors or chronic myelogenous leukemia. More special chemotherapy drug options only change the behavior of the tumor cells without affecting other tissues. From these so-called adjuvant therapies, the hormone treatment will be commonly used. Depending on the stage of the disease and the aim of the treatment, doctors will choose to administer one chemotherapy drug or a combination of drugs according to one or another of the existing strategies.
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