U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 21 - 30 of 66 results

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
US Previously Marketed
First approved in 1975

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfacytine is a short-acting sulfonamide, which was used for the treatment uncomplicated urinary tract infections, but was discontinued. This drug is a is a competitive inhibitor of the dihydropteroate synthetase, that inhibits bacterial synthesis of dihydrofolic acid by preventing the condensation of the peridine with para-aminobenzoic acid (PABA), a substrate of the enzyme dihydropteroate synthetase.
Status:
US Previously Marketed
First approved in 1966

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfametoxydiazine (INN) or sulfamethoxydiazine (USAN: sulfameter) is a long-acting sulfonamide antibacterial, shows bacteriostatic effects against Gram positive and Gram negative bacteria in vivo. It is used as a leprostatic agent and in the treatment of urinary tract infections. Orally active. Sulfonamides block the synthesis of dihydrofolic acid by inhibiting the enzyme dihydropteroate synthase. Sulfonamides are competitive inhibitors of bacterial para-aminobenzoic acid (PABA), which is required for bacterial synthesis of folic acid. Sulfameter is a dihydrofolate reductase (DHFR) inhibitor. Mode of resistance is via the alteration of dihydropteroate synthase or alternative pathway for folic acid synthesis.