Ubretid is a potent inhibitor of plasma cholinesterase. Ubretid therefore delays the hydrolysis of suxamethonium and prolongs its action, similar to the effects shown by other anticholinesterase agents, such as pyridostigmine and donepezil. Ubretid has the potential for the research of urinary retention prolongs the effect of suxamethonium. Ubretid is commonly prescribed for the research of myasthenia gravis and for difficulty in emptying the bladder.
| Molecular Weight | 576.32 |
| Formula | C22H32Br2N4O4 |
| CAS Number | 15876-67-2 |
| Form | Solid |
| Solubility (25°C) | DMSO 100 mg/mL (ultrasonic) |
| Storage | 4°C, dry, sealed |
| 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.
[3] No authors listed. Drug Ther Bull. Distigmine (ubretid)
[5] T Inada, et al. Hinyokika Kiyo. [Use of "Ubretid" in the field of urology]
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