Drug class

Hereditary Orotic Aciduria Treatment Agents

Hereditary orotic aciduria treatment agents are a specialized class of metabolic replacement therapies used to manage hereditary orotic aciduria, an extremely rare autosomal recessive inborn error of pyrimidine synthesis. Read more about Hereditary Orotic Aciduria Treatment Agents

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About Hereditary Orotic Aciduria Treatment Agents.

Hereditary orotic aciduria treatment agents are a specialized class of metabolic replacement therapies used to manage hereditary orotic aciduria, an extremely rare autosomal recessive inborn error of pyrimidine synthesis.

Primarily represented by the prodrug uridine triacetate, these agents function by providing exogenous uridine to bypass the enzymatic block caused by uridine 5'-monophosphate synthase deficiency.

Once converted to uridine and phosphorylated into uridine nucleotides, the therapy restores cellular RNA and DNA synthesis while exerting negative feedback on early pyrimidine biosynthesis to suppress excessive orotic acid production.

Consequently, this treatment prevents or reverses hallmark clinical manifestations, notably refractory megaloblastic anemia, urinary tract crystal obstruction, and developmental delays.