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

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Showing 1841 - 1850 of 2457 results

Status:
US Previously Marketed

Class (Stereo):
CHEMICAL (EPIMERIC)



Moxalactam (latamoxef) is a new synthetic oxa-beta-lactam antibiotic administered intravenously or intramuscularly. It has a broad spectrum of activity against Gram-positive and Gram-negative aerobic and anaerobic bacteria, is particularly active against Enterobacteriaceae and is resistant to hydrolysis by beta-lactamases. Moxalactam has moderate activity against Pseudomonas aeruginosa, but on the basis of present evidence can not be recommended as sole antibiotic treatment of known or suspected pseudomonal infections. Like the related compounds, the cephalosporins, moxalactam is effective in the treatment of complicated urinary tract infections and lower respiratory tract infections caused by Gram-negative bacilli. Latamoxef works by inhibiting bacterial cell wall biosynthesis. Latamoxef is primarily indicated in conditions like Bone and joint infection, GI infections, Gynecological infections, Meningitis, Respiratory tract infections, Septicaemia, Skin infections, Soft tissue infections, UTI. Latamoxef is no longer available in the United States.
Ticarcillin (also known as Ticar) is a semisynthetic antibiotic with a broad spectrum of bactericidal activity against many gram-positive and gram-negative aerobic and anaerobic bacteria. Ticarcillin is not absorbed orally; therefore, it must be given intravenously or intramuscularly. Ticarcillin's antibiotic properties arise from its ability to prevent cross-linking of peptidoglycan during cell wall synthesis when the bacteria tries to divide, causing death. Usage of ticar was discontinued.
Status:
US Previously Marketed
Source:
Triazure by Parke-Davis
(1975)
Source URL:
First approved in 1975
Source:
Triazure by Parke-Davis
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Azaribine (2′, 3′, 5′-triacetyl-6-azauridine) is the orally absorbable triacetylated derivative of the pyrimidine analog 6-azauridine. Ribonucleoside of 6-azauracil, which can be derived in the tissues by the deacetylation of azaribine, has been shown, after its intracellular conversion to 6-azauridine-5'-monophosphate, to serve as an inhibitor of the activity of a key enzyme, orotidine-5'-monophosphate (OMP) decarboxylase, critically concerned with the biosynthesis de novo of pyrimidines essential for the formation of nucleic acids. Azaribine exerts antineoplastic action. In 1975 azaribine was approved for the treatment of psoriasis. The drug was withdrawn because it may cause life-threatening or fatal blood clots in the veins and arteries.
Status:
US Previously Marketed
First approved in 1973

Class (Stereo):
CHEMICAL (RACEMIC)


Iocetamic acid is a medical diagnostic aid. It is a contrast agent used to enhance structures or fluids during X-ray imaging.
Status:
US Previously Marketed
First approved in 1964

Class (Stereo):
CHEMICAL (ACHIRAL)



Acetohexamide (trade name Dymelor) is a first-generation sulfonylurea medication used to treat diabetes mellitus type 2, particularly in people whose diabetes cannot be controlled by diet alone. It lowers blood sugar by stimulating the pancreatic beta cells to secrete insulin and by helping the body use insulin efficiently. The pancreas must produce insulin for this medication to work. Acetohexamide binds to an ATP-dependent K+ channel on the cell membrane of pancreatic beta cells. This inhibits a tonic, hyperpolarizing out flux of potassium, which causes the electric potential over the membrane to become more positive. This depolarization opens voltage-gated Ca2+ channels. The rise in intracellular calcium leads to increased fusion of insulin granule with the cell membrane, and therefore increased secretion of (pro) insulin. Acetohexamide extensively metabolized in the liver to the active metabolite hydroxyhexamide, which exhibits greater hypoglycemic potency than acetohexamide. Hydroxyhexamide is believed to be responsible for prolonged hypoglycemic effects. Symptoms of an acetohexamide overdose include hunger, nausea, anxiety, cold sweats, weakness, drowsiness, unconsciousness, and coma. Acetohexamide has been discontinued in the US market.
Status:
US Previously Marketed
First approved in 1958
Source:
Kynex Acetyl by Lederle
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
US Previously Marketed
Source:
Monodral by Winthrop
(1954)
Source URL:
First approved in 1954
Source:
Monodral by Winthrop
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Conditions:

PENTHIENATE, a synthetic anticholinergic, depresses the motility and secretion of the stomach and reduces the motor activity of the intestine by blocking vagal stimulation. It is used in the treatment of peptic ulcer and dyspepsia.
Status:
US Previously Marketed
Source:
CER-O-STREP-ONE CHLOROPROCAINE PENICILLIN O by UPJOHN
(1961)
Source URL:
First approved in 1952
Source:
Depo-Cer-0-Cillin by Upjohn
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
US Previously Marketed
Source:
Cer-O-Cillin Sodium by Upjohn
(1950)
Source URL:
First approved in 1950
Source:
Cer-O-Cillin Sodium by Upjohn
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)


ALMECILLIN (also known as penicillin O) is an antibiotic that can be safely substituted for penicillin G in instances of hypersensitivity reactions to the latter.
Status:
US Previously Marketed
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

Showing 1841 - 1850 of 2457 results