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Restrict the search for
beta carotene
to a specific field?
Status:
First approved in 1953
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Protoveratrine A, the principal alkaloid of Veratrum album, has been used in the treatment of hypertension but has largely been replaced by drugs with fewer adverse effects.
Status:
US Previously Marketed
Source:
VIOCIN SULFATE by PFIZER
(1961)
Source URL:
First approved in 1953
Source:
VIOCIN SULFATE by PFIZER
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Viomycin is a basic peptide antibiotic, which is among the most effective agents against multidrug-resistant tuberculosis. The tuberactinomycins, such as Viomycin, target bacterial ribosomes, binding RNA and disrupting bacterial protein biosynthesis. Specifically, viomycin binds to a site on the ribosome which lies at the interface between helix 44 of the small ribosomal subunit and helix 69 of the large ribosomal subunit. The structures of this complexes suggest that the viomycin inhibits translocation by stabilizing the tRNA in the A site in the pretranslocation state.
Status:
First approved in 1953
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
STANOLONE, also known as dihydrotestosterone, is a potent androgenic metabolite of testosterone and anabolic agent for systemic use. It may be used as a replacement of male sex steroids in men who have androgen deficiency, for example as a result of the loss of both testes, and also the treatment of certain rare forms of aplastic anemia which are or may be responsive to anabolic androgens.
Status:
US Previously Marketed
First approved in 1952
Class (Stereo):
CHEMICAL (ABSOLUTE)
Status:
First approved in 1951
Class (Stereo):
CHEMICAL (ABSOLUTE)
Methandriol is an anabolic steroid. Methandriol is classified as a weak anabolic with weak androgenic properties. Methandriol displays some level of estrogenic activity, making this steroid less useful for dieting. The drug is generally considered too mild and is not widely popular among bodybuilders and athletes. It seems most prominent in Australia now, where it remains included in a number of veterinary anabolic steroid products.
Status:
US Previously Marketed
Source:
TELEPAQUE by GE HEALTHCARE
(1951)
Source URL:
First approved in 1951
Source:
TELEPAQUE by GE HEALTHCARE
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Iopanoic acid is a representative iodinated ionic monomeric contrast medium.
Status:
US Previously Marketed
Source:
Precursone by Wyeth
(1951)
Source URL:
First approved in 1950
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Pregnenolone sulfate is an endogenous neurosteroid with excitatory effects in the brain, acting as a potent negative allosteric modulator of the GABAA receptor, a positive allosteric modulator of the NMDA receptor, and activator of transient receptor potential cation channel TRPM1 and TRPM3. In the model of schizophrenia, treatment with pregnenolone sulfate normalized the hyperlocomotion and stereotypic bouts, and rescued the PPI deficits of dopamine transporter knockout mice. Promnesic properties of pregnenolone sulfate were demonstrated in rat models of spatial memory performance.
Status:
US Previously Marketed
First approved in 1950
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
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
Source:
CHLOROMYCETIN HYDROCORTISONE by PARKEDALE
(1953)
Source URL:
First approved in 1950
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Chloramphenicol is a broad-spectrum antibiotic that was first isolated from
Streptomyces venezuelae in 1947. The drug was subsequently chemically synthesized. It has both a bacteriostatic and bactericidal effect; in the usual therapeutic concentrations it is bacteriostatic. Chloramphenicol is used for the treatment of serious gram-negative, gram-positive, and anaerobic infections. It is especially useful in the treatment of meningitis, typhoid fever, and cystic fibrosis. It should be reserved for infections for which other drugs are ineffective or contraindicated. Chloramphenicol, a small inhibitor of bacterial protein synthesis, is active against a variety of bacteria and readily enters the CSF. It has been used extensively in the last decades for the treatment of bacterial meningitis. In industrialized countries, chloramphenicol is restricted mostly to topical uses because of the risk of induction of aplastic anemia. However, it remains a valuable reserve antibiotic for patients with allergy to β-lactam antibiotics or with CNS infections caused by multiresistant pathogens.
Status:
US Previously Marketed
Source:
CHLOROMYCETIN HYDROCORTISONE by PARKEDALE
(1953)
Source URL:
First approved in 1950
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Chloramphenicol is a broad-spectrum antibiotic that was first isolated from
Streptomyces venezuelae in 1947. The drug was subsequently chemically synthesized. It has both a bacteriostatic and bactericidal effect; in the usual therapeutic concentrations it is bacteriostatic. Chloramphenicol is used for the treatment of serious gram-negative, gram-positive, and anaerobic infections. It is especially useful in the treatment of meningitis, typhoid fever, and cystic fibrosis. It should be reserved for infections for which other drugs are ineffective or contraindicated. Chloramphenicol, a small inhibitor of bacterial protein synthesis, is active against a variety of bacteria and readily enters the CSF. It has been used extensively in the last decades for the treatment of bacterial meningitis. In industrialized countries, chloramphenicol is restricted mostly to topical uses because of the risk of induction of aplastic anemia. However, it remains a valuable reserve antibiotic for patients with allergy to β-lactam antibiotics or with CNS infections caused by multiresistant pathogens.
