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BANEOCIN POWDER

Product Information

Registration Status: Active

SIN00678P

BANEOCIN POWDER is approved to be sold in Singapore with effective from 1988-03-05. It is marketed by NOVARTIS (SINGAPORE) PTE LTD, with the registration number of SIN00678P.

This product contains Bacitracin 250 iu/g, and Neomycin 5000 iu/g in the form of POWDER. It is approved for TOPICAL use.

This product is manufactured by PHARMAZEUTISCHE FABRIK MONTAVIT GMBH in AUSTRIA.

It is a Prescription Only Medicine that can only be obtained from a doctor or a dentist, or a pharmacist with a prescription from a Singapore-registered doctor or dentist.

Product Reference
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Description

Bacitracin is a mixture of related cyclic polypeptides produced by organisms of the licheniformis group of Bacillus subtilis var Tracy. Its unique name derives from the fact that the bacillus producing it was first isolated in 1943 from a knee scrape from a girl named Margaret Tracy. As a toxic and difficult-to-use antibiotic, bacitracin doesn't work well orally. However, it is very effective topically. Bacitracin is synthesised via the so-called nonribosomal peptide synthetases (NRPSs), which means that ribosomes are not involved in its synthesis.

Indication

For the treatment of infants with pneumonia and empyema caused by staphylococci shown to be susceptible to the drug. Also used in ointment form for topical treatment of a variety of localized skin and eye infections, as well as for the prevention of wound infections. Used against gram positive bacteria. Bacitracin is also used as an inhibitor of proteases and other enzymes. However, specific activity of bactracin's inhibition of protein disulfide isomerase has been called into question.

Mechanism of Action

Bacitracin intereferes with the dephosphorylation of the 55-carbon, biphosphate lipid transport molecule C55-isoprenyl pyrophosphate (undecaprenyl pyrophosphate), which carries the building blocks of the peptidoglycan bacterial cell wall outside the inner membrane for construction. Bacitracin binds divalent transition metal ions (Mn(II), Co(II), Ni(II), Cu(II), and Zn(II)) which binds and oxidatively cleave DNA.

Pharmacokinetics

Absorption
Absorption of bacitracin following intramuscular injection is rapid and complete. Absorption from the gastrointestinal tract following oral administration is not appreciable. Absorption following topical application is negligible.
Distribution
Metabolism
Elimination

Toxicity

Oral, mouse: LD50 = >3750 mg/kg.

Active Ingredient/Synonyms

Bacitracin a2a | Bacitracin F, 1-(N-((2-(1-amino-2-methylbutyl)-4,5-dihydro-4-thiazolyl)carbonyl)-L-leucine)- | Bacitracin |


Source of information: Drugbank (External Link). Last updated on: 3rd July 18. *Trade Name used in the content below may not be the same as the HSA-registered product.


Description

A component of neomycin that is produced by Streptomyces fradiae. On hydrolysis it yields neamine and neobiosamine B. (From Merck Index, 11th ed)

Indication

For the treatment of bacterial blepharitis, bacterial bonjunctivitis, corneal injuries, corneal ulcers and meibomianitis. For the prophylaxis of ocular infections following foreign body removal

Mechanism of Action

Framycetin binds to specific 30S-subunit proteins and 16S rRNA, 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.

Active Ingredient/Synonyms

Fradiomycin B | Framicetina | Framycetin | Framycétine | Framycetinum | Neomycin B | Framycetin |


Source of information: Drugbank (External Link). Last updated on: 3rd July 18. *Trade Name used in the content below may not be the same as the HSA-registered product.

References

  1. Health Science Authority of Singapore - Reclassified POM
  2. Drugbank

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