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

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Showing 33801 - 33810 of 34955 results

Status:
US Previously Marketed
Source:
Sulfathiazole by Merck
(1940)
Source URL:
First approved in 1940
Source:
Sulfathiazole by Merck
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Sulfathiazole is a short-acting sulfonamide with properties similar to those of sulfamethoxazole. It is now rarely used systemically due to its toxicity. Sulfathiazole is used with other sulfonamides, usually sulfabenzamide and sulfacetamide, in preparations for the topical treatment of vaginal infections and is also used with other drugs in the treatment of skin infections. Sulfathiazole sodium has been applied topically with other drugs in the treatment of eye infections. Sulfathiazole interferes with nucleic acid synthesis in microorganisms by blocking the conversion of p-aminobenzoic acid to the coenzyme dihydrofolic acid.It has properties similar to sulfamethoxazole.
Status:
US Previously Marketed
Source:
Hykinone by Abbott
(1940)
Source URL:
First approved in 1940
Source:
Hykinone by Abbott
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Menadione bisulfite is a water-soluble analog of Vitamin K3. Pharmacologic studies on menadione bisulfate indicad that its toxicity is relatively low. In man, doses approximately ten times as great as those generally recommended for therapeutic use, given daily for a period of one week. Redox cycling compounds, such as menadione, have the potential to effectively mitigate the toxicity of organophosphorus pesticides including parathion. Menadione bisulfite behaved as a competitive inhibitor of chicken muscle aldose reductase.
Status:
US Previously Marketed
Source:
KOAGAMIN PARENTERAL MALONIC ACID by CHATHAM
(1940)
Source URL:
First approved in 1940
Source:
KOAGAMIN PARENTERAL MALONIC ACID by CHATHAM
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
US Previously Marketed
Source:
Hykinone by Abbott
(1940)
Source URL:
First approved in 1940
Source:
Hykinone by Abbott
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Menadione bisulfite is a water-soluble analog of Vitamin K3. Pharmacologic studies on menadione bisulfate indicad that its toxicity is relatively low. In man, doses approximately ten times as great as those generally recommended for therapeutic use, given daily for a period of one week. Redox cycling compounds, such as menadione, have the potential to effectively mitigate the toxicity of organophosphorus pesticides including parathion. Menadione bisulfite behaved as a competitive inhibitor of chicken muscle aldose reductase.
Glutamic acid is a non-essential aminoacid used in biosynthesis of proteins. Besides being a building block of proteins, glutamic acid plays a principal role in neural activation. Glutamate is also responsible for the umami (savory) flavor of certain foods. In medicine, glutamate is used as a metabolic supplemnet in patients undergoing coronary surgery.
Status:
US Previously Marketed
Source:
GUANIDINE HYDROCHLORIDE by MERCK SHARP DOHME
(1939)
Source URL:
First approved in 1939
Source:
GUANIDINE HYDROCHLORIDE by MERCK SHARP DOHME
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Guanidine is a small basic compound. Guanidine stimulates the neuromuscular junction presynaptically by inhibiting voltage-gated potassium (Kv) channels, leading to the enhanced release of acetylcholine in the synaptic cleft. This stimulatory effect of guanidine underlies its use in the therapy for the neuromuscular diseases. The hydrochloride salt of guanidine was approved by FDA for the reduction of the symptoms of muscle weakness and easy fatigability associated with the myasthenic syndrome of Eaton-Lambert.
Glutamic acid is a non-essential aminoacid used in biosynthesis of proteins. Besides being a building block of proteins, glutamic acid plays a principal role in neural activation. Glutamate is also responsible for the umami (savory) flavor of certain foods. In medicine, glutamate is used as a metabolic supplemnet in patients undergoing coronary surgery.
Glutamic acid is a non-essential aminoacid used in biosynthesis of proteins. Besides being a building block of proteins, glutamic acid plays a principal role in neural activation. Glutamate is also responsible for the umami (savory) flavor of certain foods. In medicine, glutamate is used as a metabolic supplemnet in patients undergoing coronary surgery.
Glutamic acid is a non-essential aminoacid used in biosynthesis of proteins. Besides being a building block of proteins, glutamic acid plays a principal role in neural activation. Glutamate is also responsible for the umami (savory) flavor of certain foods. In medicine, glutamate is used as a metabolic supplemnet in patients undergoing coronary surgery.
Status:
US Previously Marketed
Source:
Paredrinol by Smith Kline & French
(1938)
Source URL:
First approved in 1938
Source:
Paredrinol by Smith Kline & French
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Pholedrine is a hydroxymethylamphetamine. It is a sympathimimetric drug of low toxicity, which is of great value in conditions of hypotonia, collapse, and circulatory depression. Pholedrine was reported on in 1937 by several investigators, who described its vasopressor action in animals as more potent than that of ephedrine. The drug is grouped with hydroxyamphetamine because of its similarity in structure and hemodynamic pattern. Pholedrine, in small doses, potentiates epinephrine, but in large doses blocks its pressor effect. Pholedrine applied as eye-drops produces mydriasis that is greatly attenuated by guanethidine pretreatment and diminished in patients with postganglionic sympathetic nerve lesions. It might be used to diagnose Horner's syndrome.

Showing 33801 - 33810 of 34955 results