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Poloxamer 188

Cat. No. M13586
Poloxamer 188 Structure
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Biological Activity

Poloxamer 188 is a nonionic linear copolymer with surfactant properties. Poloxamer 188 exhibits anti-thrombotic, anti-inflammatory, and cytoprotective activities in various tissue injury models.

Chemical Information
CAS Number 691397-13-4
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Jody Zylke. JAMA. Poloxamer 188 for Sickle Cell Disease

[2] James F Casella, et al. JAMA. Effect of Poloxamer 188 vs Placebo on Painful Vaso-Occlusive Episodes in Children and Adults With Sickle Cell Disease: A Randomized Clinical Trial

[3] Michele M Salzman, et al. Pharmacol Res Perspect. Poloxamer 188 Protects Isolated Adult Mouse Cardiomyocytes from Reoxygenation Injury

[4] Gilles Dumortier, et al. Pharm Res. A review of poloxamer 407 pharmaceutical and pharmacological characteristics

[5] Winter J Gibbs, et al. Ann Pharmacother. Purified poloxamer 188 for sickle cell vaso-occlusive crisis

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