|Ridinilazole (SMT19969) Catalog No.GC32684|
Sample solution is provided at 25 µL, 10mM.
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|Cas No.||308362-25-6||SDF||Download SDF|
|Solubility||DMSO : ≥ 60 mg/mL (154.47 mM)||Storage||Store at -20°C|
|General tips||For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.|
|Shipping Condition||Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
Ridinilazole is a novel antibacterial with MICs range of 0.06-0.25 µg/mL (MIC90=8 µg/mL) against C. difficile.
Ridinilazole is a novel antibacterial that does not appear to act through the classical pathways associated with antibiotics, such as inhibition of cell wall, protein, lipid, RNA or DNA synthesis. Ridinilazole may impair cell division. Ridinilazole is bactericidal against C. difficile and exhibits a prolonged post-antibiotic effect. In susceptibility testing of 82 clinical isolates of C. difficile (including ribotype 027), Ridinilazole displays potent growth inhibition and has lower MICs [MIC range, 0.06-0.25 µg/mL; MIC for 90% of the organisms (MIC90), 0.125 µg/mL] than Metronidazole (MIC range, 0.125-8 µg/mL; MIC90, 8 µg/mL) or Vancomycin (MIC range, 0.5-4 µg/mL; MIC90, 2 µg/mL). Similarly, Ridinilazole is found to be more potent than Metronidazole or Vancomycin at inhibiting the growth of 50 ribotype-defined C. difficile strains. The activity of Ridinilazole against specific C. difficile ribotypes (including ribotypes 001, 002, 005, 014, 027, 054 and 106) is similar, with an MIC range of 0.06-0.5 µg/mL and an MIC90 of 0.125 µg/mL. In addition, Ridinilazole is more active against 11 ribotype 027 strains than either Metronidazole or Vancomycin.
In a hamster model of CDI with a once-daily dosing regimen, Ridinilazole displays greater efficacy than Vancomycin both against non-epidemic and epidemic strains of C. difficile. Similar to the twice-daily dosing study, plasma levels of Ridinilazole are below the level of detection, whereas caecal Ridinilazole concentrations are well above the MIC, thus demonstrating the non-absorbable nature of Ridinilazole and minimal systemic exposure.
. Vickers RJ, et al. Ridinilazole: a novel therapy for Clostridium difficile infection. Int J Antimicrob Agents. 2016 Aug;48(2):137-43.