Hi Friends
Just read this at Wikipedia about Lunesta
http://en.wikipedia.org/wiki/Zopiclone
Quote:
In 2005, the pharmaceutical company Sepracor began marketing the active stereoisomer eszopiclone under the name Lunesta in the United States. This had the consequence of placing what is a generic drug in most of the world under patent control in the United States.
The eszopiclone/zopiclone difference is in the dosage - the strongest eszopiclone dosage contains 3-mg of the therapeutic stereoisomer, whereas, the highest zopiclone dosage (7.5-mg) contains 3.75-mg of the active stereoisomer. The two agents have not been studied via head-to-head clinical trials to determine if any clinical differences exist (e.g., efficacy, side-effects, etc.).
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Amazing.
M.