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Avasopasem manganese

Cat. No. M30091
Avasopasem manganese Structure
Synonym:

GC-4419; M-40419

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Biological Activity

Avasopasem manganese (GC4419; M-40419) is a potent superoxide dismutase mimetic that rapidly and specifically converts O2*- to hydrogen peroxide (H2O2), arresting the initiation of this cascade. Avasopasem manganese can be used for the research of severe oral mucositis (SOM) and cancer.

Chemical Information
Molecular Weight 483.38
Formula C21H35Cl2MnN5
CAS Number 435327-40-5
Form Solid
Solubility (25°C) DMSO 50 mg/mL (ultrasonic)
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] Stephen T Sonis, et al. Expert Opin Investig Drugs. Avasopasem for the treatment of radiotherapy-induced severe oral mucositis

[2] K A Mapuskar, et al. Redox Biol. Avasopasem manganese (GC4419) protects against cisplatin-induced chronic kidney disease: An exploratory analysis of renal metrics from a randomized phase 2b clinical trial in head and neck cancer patients

[3] Carryn M Anderson, et al. Int J Radiat Oncol Biol Phys. Two-Year Tumor Outcomes of a Phase 2B, Randomized, Double-Blind Trial of Avasopasem Manganese (GC4419) Versus Placebo to Reduce Severe Oral Mucositis Owing to Concurrent Radiation Therapy and Cisplatin for Head and Neck Cancer

[4] Brock J Sishc, et al. Sci Transl Med. Avasopasem manganese synergizes with hypofractionated radiation to ablate tumors through the generation of hydrogen peroxide

[5] Stephen T Sonis. Drug Des Devel Ther. Superoxide Dismutase as an Intervention for Radiation Therapy-Associated Toxicities: Review and Profile of Avasopasem Manganese as a Treatment Option for Radiation-Induced Mucositis

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Keywords: Avasopasem manganese, GC-4419; M-40419 supplier, ROS, inhibitors, activators


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