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Allopurinol is used to reduce urate formation in conditions where urate deposition has already occurred or is predictable. The specific diseases and conditions where it is used include gouty arthritis, skin tophi, kidney stones, idiopathic gout; uric acid lithiasis; acute uric acid nephropathy; neoplastic disease and myeloproliferative disease with high cell turnover rates, in which high urate ...
Allopurinol (a xanthine oxidase inhibitor, which inhibits uric acid production) works by preventing the formation of uric acid following tumor cell lysis. [4] [13] Rasburicase is a synthetic urate oxidase enzyme and acts by degrading uric acid. No current guidelines endorse the concurrent use of allopurinol and rasburicase.
Today, inflammation during attacks is more commonly treated with NSAIDs, colchicine, or corticosteroids, and urate levels are managed with allopurinol. [50] Allopurinol, which weakly inhibits xanthine oxidase, is an analog of hypoxanthine that is hydroxylated by xanthine oxidoreductase at the 2-position to give oxipurinol. [51]
Acute uric acid nephropathy (AUAN, also acute urate nephropathy) is a rapidly worsening (decreasing) kidney function (acute kidney injury) that is caused by high levels of uric acid in the urine (hyperuricosuria).
Hyperuricaemia or hyperuricemia is an abnormally high level of uric acid in the blood.In the pH conditions of body fluid, uric acid exists largely as urate, the ion form. [1] [2] Serum uric acid concentrations greater than 6 mg/dL for females, 7 mg/dL for males, and 5.5 mg/dL for youth (under 18 years old) are defined as hyperuricemia. [3]
Therapeutic drug monitoring (TDM) is a branch of clinical chemistry and clinical pharmacology that specializes in the measurement of medication levels in blood. Its main focus is on drugs with a narrow therapeutic range , i.e. drugs that can easily be under- or overdosed. [ 1 ]
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That last one, uric acid, is a waste product that can build up when cells die during cancer treatment, called tumor lysis syndrome, and is the reason why staying well hydrated to improve flow through the tubules as well as using medications like allopurinol and urate oxidase to lower uric acid levels can be so important while on certain ...