Arformoterol ((R,R)-Formoterol), the (R,R)-enantiomer of Formoterol, is a long-acting β2-adrenergic receptor (β2-AR) agonist, with a Kd of 2.9 nM. Arformoterol can be used for the research of chronic obstructive pulmonary disease (COPD).
| Molecular Weight | 344.4 |
| CAS Number | 67346-49-0 |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| 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.
[1] Young-A Heo. Budesonide/Glycopyrronium/Formoterol: A Review in COPD
[2] Paul M O'Byrne, et al. Inhaled Combined Budesonide-Formoterol as Needed in Mild Asthma
[3] Matthew C Miles, et al. Nebulized arformoterol: what is its place in the management of COPD?
[4] Mario Cazzola, et al. Arformoterol tartrate in the treatment of COPD
[5] Paul King. Role of arformoterol in the management of COPD
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