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Fluorouracil has been given systemically for anal, breast, colorectal, oesophageal, stomach, pancreatic and skin cancers (especially head and neck cancers). [12] It has also been given topically (on the skin) for actinic keratoses, skin cancers and Bowen's disease [12] (a type of cutaneous squamous-cell carcinoma), and as eye drops for treatment of ocular surface squamous neoplasia. [13]
The FTU concept has been used as a central part of an education programme for parents of children with atopic eczema. [9] The use of the FTU has been advocated to reduce the variation in usage of topical steroids [10] and to encourage adherence to therapy. [11] The FTU can also be used to guide the use of topical sunscreens. [12]
5-FU ends up becoming 5-FdUMP (the active form of the drug), that is, the one that is really going to be recognized by the TS and thus be able to inhibit it. In addition, the bioactivation pathway followed by 5-FU is the same as that followed by the endogenous substrate (uracil), using the same enzymes to bioactivate itself.
While topical 5-FU is a widely used and cost-effective treatment for AKs and is generally well tolerated, its potential side-effects can include: pain, crusting, redness, and local swelling. [55] These adverse effects can be mitigated or minimized by reducing the frequency of application or taking breaks between uses. [ 55 ]
If the erythema ab igne lesions demonstrate pre-cancerous changes, the use of 5-fluorouracil cream has been recommended. [medical citation needed] Abnormally pigmented skin may persist for years. Treatment with topical tretinoin or laser treatment may improve the appearance. [medical citation needed]
A 2024 systematic review of the literature found that chemoradiation with 5-FU and mitomycin C, as used in the Nigro Protocol, improves outcomes like colostomy-free survival in anal cancer patients compared to alternatives like cisplatin. However, it can lead to more severe side effects, especially blood-related toxicity. [7]
F – fluorouracil (5-FU), a pyrimidine analog and antimetabolite which incorporates into the DNA molecule and stops DNA synthesis; OX – oxaliplatin (Eloxatin), a platinum-based antineoplastic agent, which inhibits DNA repair and/or DNA synthesis;
FOLFIRI is a chemotherapy regimen for treatment of colorectal cancer.It is made up of the following drugs: [1] FOL – folinic acid (), a vitamin B derivative with multiple applications, which in this context decreases the cytotoxicity of 5-fluorouracil;
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