A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Clinical data | |
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Trade names | Altabax, Altargo |
AHFS/Drugs.com | Monograph |
MedlinePlus | a607049 |
License data |
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Routes of administration | Topical (ointment) |
ATC code | |
Legal status | |
Legal status | |
Pharmacokinetic data | |
Bioavailability | Low |
Protein binding | 94% |
Metabolism | Hepatic, CYP3A4-mediated |
Elimination half-life | Undetermined |
Excretion | Undetermined |
Identifiers | |
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CAS Number | |
PubChem CID | |
DrugBank | |
ChemSpider | |
UNII | |
KEGG | |
ChEMBL | |
CompTox Dashboard (EPA) | |
ECHA InfoCard | 100.167.142 |
Chemical and physical data | |
Formula | C30H47NO4S |
Molar mass | 517.77 g·mol−1 |
3D model (JSmol) | |
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Retapamulin is a topical antibiotic developed by GlaxoSmithKline. It is the first drug in the new class of pleuromutilin antibiotics to be approved for human use. It is marketed as an ointment under the brand names Altabax and Altargo.
Retapamulin was approved by the United States Food and Drug Administration in April 2007 for the treatment of bacterial skin infections such as impetigo. In May 2007, retapamulin received approval in the EU from the European Medicines Agency for the same indication.[citation needed]
Clinical trials have demonstrated its efficacy against certain Gram-positive bacteria including MRSA.[1]
Indicationsedit
Retapamulin is indicated for the topical treatment of impetigo due to Staphylococcus aureus (methicillin-susceptible only) or Streptococcus pyogenes.[2]
Pharmacologyedit
Mechanism of actionedit
Retapamulin is an antibacterial agent, specifically a protein synthesis inhibitor. The medication selectively inhibits bacterial protein synthesis by interacting at a site on the 50S subunit of the bacterial ribosome through an interaction that differs from other antibiotics.[2]
Pharmacokineticsedit
Systemic exposure following topical application through intact skin is low.[2]
Contraindicationsedit
None yet reported.[2]
Adverse reactionsedit
The most common reported adverse reaction was irritation at the application site.[2]
Referencesedit
- ^ Jones R, Fritsche T, Sader H, Ross J (2006). "Activity of retapamulin (SB-275833), a novel pleuromutilin, against selected resistant gram-positive cocci". Antimicrob Agents Chemother. 50 (7): 2583–6. doi:10.1128/AAC.01432-05. PMC 1489758. PMID 16801451.
- ^ a b c d e Borrza, S.; Philippi, E., eds. (2007). Physicians' Desk Reference (62nd ed.). pp. 1318–20. ISBN 978-1-56363-660-8.
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