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By their mechanism of action, some uricosurics (such as probenecid) increase the blood plasma concentration of certain other drugs and their metabolic products. While this is occasionally exploitable to good effect (see oseltamivir), assessment of drug interactions is very important when using uricosuric drugs in the presence of other medications.
Probenicid lowers the concentration of certain drugs in urine drug screens by reducing renal excretion of these drugs. Historically, probenecid has been used to increase the duration of action of drugs such as penicillin and other beta-lactam antibiotics. Penicillins are excreted in the urine at proximal and distal convoluted tubules through ...
Tienilic acid (INN and BAN) or ticrynafen is a loop diuretic drug with uric acid-lowering (uricosuric) action, [1] [2] formerly marketed for the treatment of hypertension.It was approved by FDA on May 2, 1979, and withdrawn in 1982, after case reports in the United States indicated a link between the use of ticrynafen and hepatitis.
Sulfinpyrazone is a uricosuric medication used to treat gout. It also sometimes is used to reduce platelet aggregation by inhibiting degranulation of platelets which reduces the release of ADP and thromboxane. Like other uricosurics, sulfinpyrazone works by competitively inhibiting uric acid reabsorption in the proximal tubule of the kidney.
Benzbromarone is a uricosuric agent and non-competitive inhibitor of xanthine oxidase [1] used in the treatment of gout, especially when allopurinol, a first-line treatment, fails or produces intolerable adverse effects. It is structurally related to the antiarrhythmic amiodarone. [2]
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 ...
Some of these drugs have a uricosuric effect. [12] [13] Angiotensin II, through AT 1 receptor stimulation, is a major stress hormone and, because (ARBs) block these receptors, in addition to their eliciting anti-hypertensive effects, may be considered for the treatment of stress-related disorders. [14]
These, as well as the original drug, are further glucuronidated, mainly by the enzymes UGT1A1, 1A8, and 1A9. Febuxostat and its metabolites are eliminated via the urine (49% of the total substance, comprising 3% unchanged febuxostat, 30% febuxostat glucuronide, 13% active metabolites and their glucuronides, and 3% unknown entities) and via the ...