Article
Acetylation and its role in the mutagenicity of the antihypertensive agent hydralazine.
Drug metabolism and disposition: the biological fate of chemicals - 1 May 1995
Lemke L E, McQueen C A
Abstract excerpt
1-Hydrazinophthalazine [hydralazine (HDZ)] is a hydrazine derivative that is a direct acting vasodilator effective in the treatment of essential hypertension. HDZ is biotransformed by the phase II conjugation enzyme N-acetyltransferase (NAT) forming acetyl HDZ, which spontaneously cyclized to the stable product 3-methyl-s-triazolo- [3,4-alpha]-phthalazine (MTP). Therapeutic use of HDZ has resulted in adverse side...
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