Doxepin isomers and isomeric mixtures and methods of using the same to treat sleep disorders

摘要

The invention relates to use of the cis-(Z) isomer or isomeric mixtures containing specified ratios of the cis-(Z) and trans-(E) isomers of doxepin, metabolites of doxepin, pharmaceutically-acceptable salts of doxepin and prodrugs of the same; compositions containing the same, for the treatment of sleep disorders