| Clinical data | |
|---|---|
| Trade names | Corwin, Carwin, Corwil, Xamtol |
| Routes of administration | By mouth[1] |
| ATC code | |
| Pharmacokinetic data | |
| Bioavailability | Oral: 5%[1] |
| Eliminationhalf-life | 16–27 hours[1] |
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| Chemical and physical data | |
| Formula | C16H25N3O5 |
| Molar mass | 339.392 g·mol−1 |
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Xamoterol, sold under the brand namesCorwin,Carwin,Corwil, andXamtol among others, is acardiac stimulant which is used in the treatment ofheart failure.[2] It acts as aselectivepartial agonist of theβ1-adrenergic receptor with around 50%intrinsic sympathomimetic activity (ISA) (i.e.,intrinsic activity).[1][3][4][2] The drug has no significantβ2-adrenergic receptor agonistic activity.[5] Xamoterol provides cardiac stimulation at rest but acts as a blocker duringexercise.[6] It is takenby mouth.[1]
Xamoterol is not available in theUnited States.[7][8] It is marketed in theUnited Kingdom,Austria,Belgium, andLuxembourg.[8]
Xamoterol is ahydrophiliccompound with a predictedlog P of -0.31 to -1.11.[9][10][11][12] Due to its hydrophilicity, xamoterol does not cross theblood–brain barrier and has nocentral nervous system effects.[12] Hence, it is aperipherally selective drug.[12]