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Acetohydroxamic acid

Enzyme inhibitor that inhibits urease


Enzyme inhibitor that inhibits urease

| Drugs.com = | elimination_half-life =

Acetohydroxamic acid (also known as AHA or by the trade name Lithostat) is a drug that is a potent and irreversible enzyme inhibitor of the urease enzyme in various bacteria and plants; it is usually used for urinary tract infections. The molecule is similar to urea but is not hydrolyzable by urease; it thus disrupts the bacteria's metabolism through competitive inhibition.

Orphan drug

In 1983 the US Food and Drug Administration approved acetohydroxamic acid (AHA) as an orphan drug for "prevention of so-called struvite stones" under the newly enacted Orphan Drug Act of 1983. AHA cannot be patented because it is a standard chemical compound.

References

References

  1. (June 1965). "Urease Catalysis. Ii. Inhibition of the Enzyme by Hydroxyurea, Hydroxylamine, and Acetohydroxamic Acid". The Journal of Biological Chemistry.
  2. (July 1983). "New drugs selectively inhibit kidney stone formation". JAMA.
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