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

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Showing 31 - 40 of 66 results

Status:
US Previously Marketed
First approved in 1963

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfaphenazole is an oral antibiotic, which was used for the treatment of bacterial infections under the name Sulfabid. The drug was found to block folate synthesis in bacterias by inhibiting the enzyme dihydropteroate synthase. Sulfaphenazole is also known to inhibit CYP2C9 with high potency and specificity. Sulfabid is no longer marketed in the USA.
Status:
US Previously Marketed
Source:
Sonilyn by Mallinckrodt
(1962)
Source URL:
First approved in 1962
Source:
Sonilyn by Mallinckrodt
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfachlorpyridazine is a broad spectrum antibacterial compound which is effective in the treatment of infections caused by gram-positive and gram-negative organisms that are commonly susceptible to sulfonamide therapy and which has been proven by laboratory and field experiments to be highly effective against diseases caused by Escherichia coli. Sulfachlorpyridazine has a rapid onset of action in several species of animals following both oral and parenteral administration. Sulfachlorpyridazine (brand name Vetisulid) is especially indicated for the treatment of diarrhea caused or complicated by E. coli (colibacillosis) in calves under 1 month of age: Vetisulid powder is also indicated for the treatment of colibacillosis in swine. Sulfachlorpyridazine is a dihydropteroate synthase inhibitor.
Status:
US Previously Marketed
Source:
Madribon by Hoffmann-La Roche
(1958)
Source URL:
First approved in 1958
Source:
Madribon by Hoffmann-La Roche
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfadimethoxine is a sulfonamide antibacterial used to treat many infections including treatment of respiratory, urinary tract, enteric, and soft tissue infections. It is most frequently used in veterinary medicine, although it is approved in some countries for use in humans. Sulfadimethoxine inhibits bacterial synthesis of folic acid (pteroylglutamic acid) from para-aminobenzoic acid. Sulfadimethoxine is approved in Russia for use in humans, including children, and has been successfully used there for more than 35 years and is available as an over-the-counter drug manufactured by a number of Russian pharmaceutical companies. In USA and Europe sulfadimethoxine is approved in a veterinary medicinal products. ANADA was approved by FDA in US in 1997 as an Over the Counter medicine for treatment of bovine respiratory disease complex (shipping fever complex) and bacterial pneumonia associated with Pasteurella Spp. Sensitive to sulfadimethoxine; necrotic pododermatitis (foot rot) and calf diphtheria caused by Fusobacterium necrophorum (Sphaerophorus necrophorus) sensitive to sulfadimethoxine. Bioequivalence for this generic animal drug, Sulfadimethoxine Injection 40%, was established by demonstration of chemical equivalence to the pioneer product, Hoffmann-La Roche's Albon® Injection 40% (NADA 041-245).
Status:
US Previously Marketed
Source:
THIOSULFIL SULFAMETHIZOLE by AYER5T
(1961)
Source URL:
First approved in 1953

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfamethizole is an oral antiobiotic, which was used against urinary tract infections under the name Thiosulfil. Sulfamethizole blocks bacterial growth by inhibiting folic acid synthesis via enzyme called dihydropteroate synthase. The drug is no longer marketed in the USA.
Status:
US Previously Marketed
Source:
Elkosin by Ciba-Geigy
(1952)
Source URL:
First approved in 1951
Source:
Elkosin by Ciba
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfisomidine (INN), also known as sulphasomidine (BAN until 2003), is a sulfonamide antibacterial. It’s used in the treatment, control, prevention, and improvement of the following conditions and symptoms: Lower urinary tract infections; Meningococcal meningitis; Streptococcal pharyngitis; Gum infection; Bacillary dysentery.
Status:
US Previously Marketed
Source:
Gantrisin by Hoffmann-La Roche
(1949)
Source URL:
First approved in 1948

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfisoxazole is a sulfonamide antibacterial antibiotic. The sulfonamides are synthetic bacteriostatic antibiotics with a wide spectrum against most gram-positive and many gram-negative organisms. However, many strains of an individual species may be resistant. Sulfisoxazole acetyl in combination with erythromycin ethylsuccinate is used for treatment of ACUTE OTITIS MEDIA in children that is caused by susceptible strains of Haemophilus influenzae. Sulfisoxazole acetyl is a prodrug of sulfisoxazole. Acetyl group is added to make the drug poorly water soluble, and is hydrolyzed in vivo to the active drug. Sulfisoxazole and its acetylated metabolites are excreted primarily by the kidneys through glomerular filtration. Sulfisoxazole is a competitive inhibitor of the enzyme dihydropteroate synthetase. It inhibits bacterial synthesis of dihydrofolic acid by preventing the condensation of the pteridine with para-aminobenzoic acid (PABA), a substrate of the enzyme dihydropteroate synthetase. The inhibited reaction is necessary in these organisms for the synthesis of folic acid
Sulfamethazine is a sulfonamide used to treat a variety of bacterial diseases in animals. It inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthetase (dihydrofolate synthetase).
Status:
US Previously Marketed
First approved in 1945

Class (Stereo):
CHEMICAL (ACHIRAL)


Sulfabenzamide is an antibacterial/antimicrobial. Often used in conjunction with sulfathiazole and sulfacetamide (trade name - Sultrin) as a topical, intravaginal antibacterial preparation against Haemophilus (Gardnerella) vaginalis bacteria. The mode of action of SULTRIN is not completely known. Indirect effects, such as lowering the vaginal pH, may be equally important mechanisms.
Status:
US Previously Marketed
Source:
TRIPLE SULFA by ALPHARMA US PHARMS
(1976)
Source URL:
First approved in 1943
Source:
Sulfamerazine by Lederle
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfamerazine is a sulfonamide antibiotic, which acts by inhibiting folic acid synthesis in bacterias. The primary target of sulfamerazine is believed to be dihydropteroate synthetase. Sulfamerazine (in comination with Sulfadiazine and Sulfamethazine) was used in the US under different names, including the earliest brand of Neotrizine. Nowdays, the drugs containing sulfamerazine are no longer available for use in humans in the US, however, they may be prescribed for veterinary purposes.
Status:
US Previously Marketed
First marketed in 1936
Source:
sulfanilamide
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfanilamide is an anibiotic drug, which has been used for decades for the treatment of vulvovaginal candidiasis. The drug blocks folic acid synthesis in bacterias by inhibitin the enzyme dihydropteroate synthase.