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The biosynthesis of Taxol is illustrated in more detail in the figure, with steps 1-7 all occurring in the enzyme taxadiene synthase (TS on the figure). Taxol's biosynthesis begins with E,E,E-GGPP losing pyrophosphate via an SN1 mechanism (step 1 in the figure). The double-bond attacks the cation via electrophilic addition, yielding a tertiary ...
Tegafur/gimeracil/oteracil, sold under the brand name Teysuno among others is a fixed-dose combination medication used for the treatment of advanced gastric cancer when used in combination with cisplatin, [3] and also for the treatment of head and neck cancer, colorectal cancer, non–small-cell lung, breast, pancreatic, and biliary tract cancers.
Drug titration is the process of adjusting the dose of a medication for the maximum benefit without adverse effects. [ 1 ] When a drug has a narrow therapeutic index , titration is especially important, because the range between the dose at which a drug is effective and the dose at which side effects occur is small. [ 2 ]
One of the most commonly used chemotherapy drugs 5-fluorouracil (5FU) prescribed as adjuvant therapy following surgical resection of early stage colorectal cancer benefits only approx. 4% of patients, whereas 30–40% of those treated will suffer severe toxicity such as neutropenia, mucositis, hand-foot syndrome, diarrhoea, and stomatitis ...
Mechanism of action of taxanes. The principal mechanism of action of the taxane class of drugs is the disruption of microtubule function. Microtubules are essential to cell division, and taxanes stabilize GDP-bound tubulin in the microtubule, thereby inhibiting the process of cell division as depolymerization is prevented.
Taxoids are a class of derivatives from taxol, [1] that is, paclitaxel.They were developed for their anticancer chemotherapeutic properties. Taxoids are usually treated as synonymous with taxanes; for example, a major medical dictionary defines the two terms with the same definition phrasing, [2] and in another the phrasing varies slightly but conveys nearly identical meaning.
Erythropoiesis-stimulating agents (ESA) are medications which stimulate the bone marrow to make red blood cells. [1] They are used to treat anemia due to end stage kidney disease, chemotherapy, major surgery, or certain treatments in HIV/AIDS.
Addition of platinum-based chemotherapy drugs to chemoradiation in women with early cervical cancer seems to improve survival and reduce risk of recurrence. [ 2 ] In total, these drugs can cause a combination of more than 40 specific side effects which include neurotoxicity , which is manifested by peripheral neuropathies including polyneuropathy .