Brilacidin
Based on 1 publication(s) in Google Scholar
Brilacidin (PMX 30063) is an anti-infective antimicrobial with MIC90s of 1 and 8 μg/mL for Gram-positive bacteria Streptococcus pneumonia and Streptococcus viridans, and MIC90 of 8 and 4 μg/mL for Gram-negative bacteria Haemophilus influenza and Pseudomonas aeruginosa. Brilacidin is a defensin mimetic antibiotic compound.
For research use only. We do not sell to patients.
- CAS No.: 1224095-98-0
- Formula: C40H50F6N14O6
- Molecular Weight:936.91
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Biological Activity
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Chemical Information
- Protocol
- Purity & Documentation
- References
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Help & FAQs
Publications Citing Use of MedChemExpress (MCE) Brilacidin
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Biological Activity
Both Staphylococcus aureus (SA) and Staphylococcus epidermidis (SE) have the lowest minimum inhibitory concentrations among the bacterial groups. The MIC90s to Brilacidin for Streptococcus pneumonia (SP), Streptococcus viridians (SV), Moraxella (MS), Haemophilus influenza (HI), Pseudomonas aeruginosa (PA), and Serratia marcescens (SM) are 4, 32, 256, 32, 16, and 128-fold higher, respectively, than SA and SE. Brilacidin has Gram-positive in vitro activity; topical Brilacidin 0.5% is minimally irritating; and Brilacidin 0.5% was equally efficacious as Vancomycin (VAN) in a methicillin-resistant S. aureus (MRSA) keratitis model when the corneal epithelium is removed. Brilacidin acts primarily on the bacterial cell membrane by depolarization. Brilacidin is more potent for Gram-positive bacteria (except SV) than Gram-negative bacteria[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
| NCT Number | Sponsor | Condition | Start Date |
Phase
|
|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 1224095-98-0
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Appearance Solid
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Molecular Weight 936.91
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Formula C40H50F6N14O6
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Color Light yellow to yellow
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SMILES
O=C(C1=NC=NC(C(NC2=CC(C(F)(F)F)=CC(NC(CCCCNC(N)=N)=O)=C2O[C@H]3CNCC3)=O)=C1)NC4=CC(C(F)(F)F)=CC(NC(CCCCNC(N)=N)=O)=C4O[C@H]5CNCC5
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Synonyms
PMX 30063
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Publications (1)
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Journal Impact Factor
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Most Recent
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PLoS One
A novel peptide mimetic, brilacidin, for combating multidrug-resistant Neisseria gonorrhoeae. [Abstract]2025 Jun 5;20(6):e0325722. PMID: 40471977
Protocol
All susceptibility testing is performed by adding 90 μL of bacterial inoculum to 10 μL of 10× serial concentrations of Brilacidin into rows of a 96-well polypropylene plate. Each plate can test 8 bacterial isolates with each row containing a positive growth control and 11 serial dilutions. The diluent of Brilacidin contains 0.01% acetic acid and 0.2% bovine serum albumin. Polypropylene tubes, pipettes, and pipette tips are used to avoid binding of Brilacidin. A 1% stock of Brilacidin is diluted to 1,280 μg/mL and this is serially diluted 2-fold for 10 times to provide testing concentrations. PA and SM are tested starting at 128 μg/mL and ending at 1.25 μg/mL. All other bacteria are tested starting at 64 μg/mL and ending at 0.625 μg/mL. MICs are determined visually by locating the lowest concentration of Brilacidin that inhibits visible bacterial growth (pellet formation). The MICs are tabulated for each bacterial group and reported as MIC50, MIC90, and a range from the lowest to highest MIC[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Rabbits[2]
Ocular toxicity was evaluated with 5 concentrations (1%, 0.5%, 0.25%, 0.1%, and 0.01%) of Brilacidin, formulated in Tris-buffered saline (TBS) using the Draize scoring system in the NZW rabbit ocular irritation model. The Draize Scale grades for toxicity to: cornea (opacity-degree of density, area involved), iris, and conjunctiva (redness, chemosis, and discharge). Two rabbits are tested for each Brilacidin concentration and TBS (vehicle control). Rabbits are treated in both eyes with (37 μL) topical drops every 30 min for 3 h (7 total doses). Rabbits are evaluated in a masked fashion for ocular toxicity. Ocular toxicity is evaluated using the Draize scoring system after treatment on day 0 for acute toxicity and on day 4 post treatment for any delayed toxicity. Maximum mean total scores (MMTS) are calculated and eye irritation is classified.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (272 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
References
[1]. Bruk Mensa , et al. Comparative Mechanistic Studies of Brilacidin, Daptomycin, and the Antimicrobial Peptide LL16. Antimicrob Agents Chemother. 2014 Sep;58(9):5136-45. [Content Brief]
[2]. Regis P Kowalski, et al. An Independent Evaluation of a Novel Peptide Mimetic, Brilacidin (PMX30063), for Ocular Anti-infective. J Ocul Pharmacol Ther. Jan-Feb 2016;32(1):23-7. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Brilacidin Related Classifications
HY-19892 Related Classifications
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