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

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Showing 201 - 210 of 212 results

Status:
US Previously Marketed
Source:
Vonedrine hydrochloride by Merrell (MerrellNational)
(1943)
Source URL:
First approved in 1943
Source:
Vonedrine hydrochloride by Merrell (MerrellNational)
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)

Phenpromethamine is an adrenergic agent. Phenpromethamine was used as vasodilator agent. It is a stimulant which is banned in sport. It is available in supplements which are sold as fat burners or pre-workout boosters. Phenpromethamine is a potent CYP2D6 inhibitor.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)


Mitoguazone is a guanylhydrazone derivative with potential antineoplastic activity. Mitoguazone inhibits S-adenosyl-L-methionine decarboxylase (SAMD), an enzyme involved in the synthesis of polyamines, resulting in a decreased proliferation of tumor cells, antimitochondrial effects, and p53-independent apoptosis. In the 1960s the drug was investigated in clinical trials. Despite the responses in acute leukemia, chronic myelogenous leukemia, lymphoma, multiple myeloma, head and neck cancer, esophageal cancer and other types of cancer, the development of the drug was discontinued because of marked myelosuppression and mucositis. Using a weekly schedule of administration, mitoguazone had minimal toxicity and showed limited activity in patients with lymphoma, esophageal cancer, prostate cancer, and other types of tumors.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)


Mitoguazone is a guanylhydrazone derivative with potential antineoplastic activity. Mitoguazone inhibits S-adenosyl-L-methionine decarboxylase (SAMD), an enzyme involved in the synthesis of polyamines, resulting in a decreased proliferation of tumor cells, antimitochondrial effects, and p53-independent apoptosis. In the 1960s the drug was investigated in clinical trials. Despite the responses in acute leukemia, chronic myelogenous leukemia, lymphoma, multiple myeloma, head and neck cancer, esophageal cancer and other types of cancer, the development of the drug was discontinued because of marked myelosuppression and mucositis. Using a weekly schedule of administration, mitoguazone had minimal toxicity and showed limited activity in patients with lymphoma, esophageal cancer, prostate cancer, and other types of tumors.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)


Mitoguazone is a guanylhydrazone derivative with potential antineoplastic activity. Mitoguazone inhibits S-adenosyl-L-methionine decarboxylase (SAMD), an enzyme involved in the synthesis of polyamines, resulting in a decreased proliferation of tumor cells, antimitochondrial effects, and p53-independent apoptosis. In the 1960s the drug was investigated in clinical trials. Despite the responses in acute leukemia, chronic myelogenous leukemia, lymphoma, multiple myeloma, head and neck cancer, esophageal cancer and other types of cancer, the development of the drug was discontinued because of marked myelosuppression and mucositis. Using a weekly schedule of administration, mitoguazone had minimal toxicity and showed limited activity in patients with lymphoma, esophageal cancer, prostate cancer, and other types of tumors.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)


Mitoguazone is a guanylhydrazone derivative with potential antineoplastic activity. Mitoguazone inhibits S-adenosyl-L-methionine decarboxylase (SAMD), an enzyme involved in the synthesis of polyamines, resulting in a decreased proliferation of tumor cells, antimitochondrial effects, and p53-independent apoptosis. In the 1960s the drug was investigated in clinical trials. Despite the responses in acute leukemia, chronic myelogenous leukemia, lymphoma, multiple myeloma, head and neck cancer, esophageal cancer and other types of cancer, the development of the drug was discontinued because of marked myelosuppression and mucositis. Using a weekly schedule of administration, mitoguazone had minimal toxicity and showed limited activity in patients with lymphoma, esophageal cancer, prostate cancer, and other types of tumors.
Gentamicin C1 is a part of gentamicin C complex, containing gentamicin C1, gentamicin C1a, and gentamicin C2 which compose approximately 80% of gentamicin and have been found to have the highest antibacterial activity. Commercial gentamicin C is a mixture of gentamicin C1, C1a, and C2. Gentamicin C1 has a methyl group in the 6' position of the 2-amino-hexose ring and is N methylated at the same position. Gentamicin is a broad spectrum aminoglycoside antibiotic. Aminoglycosides work by binding to the bacterial 30S ribosomal subunit, causing misreading of t-RNA, leaving the bacterium unable to synthesize proteins vital to its growth. Aminoglycosides are useful primarily in infections involving aerobic, Gram-negative bacteria, such as Pseudomonas, Acinetobacter, and Enterobacter. In addition, some mycobacteria, including the bacteria that cause tuberculosis, are susceptible to aminoglycosides. Infections caused by Gram-positive bacteria can also be treated with aminoglycosides, but other types of antibiotics are more potent and less damaging to the host. In the past the aminoglycosides have been used in conjunction with penicillin-related antibiotics in streptococcal infections for their synergistic effects, particularly in endocarditis. Aminoglycosides are mostly ineffective against anaerobic bacteria, fungi and viruses. Aminoglycosides like gentamicin "irreversibly" bind to specific 30S-subunit proteins and 16S rRNA. Specifically gentamicin binds to four nucleotides of 16S rRNA and a single amino acid of protein S12. This interferes with decoding site in the vicinity of nucleotide 1400 in 16S rRNA of 30S subunit. This region interacts with the wobble base in the anticodon of tRNA. This leads to interference with the initiation complex, misreading of mRNA so incorrect amino acids are inserted into the polypeptide leading to nonfunctional or toxic peptides and the breakup of polysomes into nonfunctional monosomes. Gentamicin complex is used for treatment of serious infections caused by susceptible strains of the following microorganisms: P. aeruginosa, Proteus species (indole-positive and indole-negative), E. coli, Klebsiella-Enterobactor-Serratia species, Citrobacter species and Staphylococcus species (coagulase-positive and coagulase-negative).
mixture
Status:
US Previously Marketed
Source:
CAPREOMYCIN SULFATE by MYLAN LABS LTD
(2017)
Source URL:
First approved in 1971

Class:
MIXTURE



Capreomycin is an antibiotic, which is used in combination other antituberculosis drugs fro the treatment of pulmonary infections caused by capreomycin-susceptible strains of M. tuberculosis when the primary agents (isoniazid, rifampin, ethambutol, aminosalicylic acid, and streptomycin) have been ineffective or cannot be used because of toxicity or the presence of resistant tubercle bacilli. Little is known about capreomycin's exact mechanism of action, but it is thought to inhibit protein synthesis by binding to the 70S ribosomal unit. Capreomycin also binds to components in the bacterial cell which result in the production of abnormal proteins.

Showing 201 - 210 of 212 results