Study of FYU-981 in Hyperuricemic Outpatients With or Without Gout (Effect on Two Hyperuricemic Types)

Inclusion Criteria: * Serum urate level: * \>= 7.0mg/dL in patients with gouty nodule or with history of gout, or \>=8.0mg/dL in patients with hypertension, diabetes or metabolic syndrome, or \>= 9.0mg/dL * Disease type in the classification of hyperuricemia: Uric acid-overproduction type or Uric acid-underexcretion type * Outpatients Exclusion Criteria: * Gouty arthritis within 14 days before randomized allocation