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 escitalopram (free base) | |
| S-(+)-1--1-(p-fluorophenyl)-5-phthalancarbonitrile oxalate | |
| CAS number 128196-01-0, 219861-08-2 (as oxalate) |
ATC code N06AB10 |
| Chemical formula | C20H22FN2O+ C2HO4- |
| Molecular weight | 324.397 or 414.40 (oxalate) |
| Bioavailability | ? |
| Metabolism | ? |
| Elimination half-life | ? |
| Excretion | ? |
| Pregnancy category | C |
| Legal status | ? |
| Routes of administration | ? |
Escitalopram (also known as Lexapro and Cipralex) is a medication developed by the Danish pharmaceutical company Lundbeck, that acts as a selective serotonin reuptake inhibitor or SSRI. It is typically used as an antidepressant to treat depression associated with mood disorders although also may be used in the treatment of body dysmorphic disorder and anxiety. In the United States, the drug is marketed under the name Lexapro by Forest Laboratories, Inc. In Canada and Europe, the drug is marketed under the name Cipralex by Lundbeck Canada, Inc.
Escitalopram oxalate is derived from the drug citalopram which is made up of two mirror-image isomers, only one of which is thought to be an effective medication. Lundbeck has split the isomers apart, taken the active isomer and has licensed it as the new drug escitalopram. Escitalopram is the pure S-enantiomer (single isomer) of the racemic bicyclic phthalane derivative citalopram.
Escitalopram was released shortly before the patent for citalopram was due to expire. The expiration of a patent means other companies can legally produce cheaper generic versions. Escitalopram is subject to a new patent. The main difference to citalopram is the creation of less side effects.
Externals links
- Lexapro (Forest Laboratories) Official Lexapro Homepage
- Cipralex (Lundbeck) Official Cipralex Homepage
- Lexapro Information FAQ to Lexapro
- Pharmacological information Lexapro
- Lexapro Feedback Depression Blog