AllopurinolGout SuppressantsGoutHyperuricemiaXanthine OxidaseThiazolesUric AcidOxypurinolUricosuric AgentsFood-Drug InteractionsAntacidsEnzyme InhibitorsTumor Lysis SyndromeDouble-Blind MethodCross-Over StudiesAntimetabolitesPulse Wave AnalysisHydrochlorothiazideUrate OxidaseHypoxanthinesDose-Response Relationship, DrugXanthineFree Radical ScavengersXanthinesBenzbromaroneTreatment OutcomeXanthine DehydrogenaseDrug InteractionsRandomized Controlled Trials as Topic