Methods of treating insomnia using a combination therapy of low-dose doxepin and zolpidem Grant US-11013712-B2 United States of America 25 May 2021
Doxepin trans isomers and isomeric mixtures and methods of using the same to treat sleep… Grant US-10143676-B2 United States of America 04 Dec 2018
Ultra low dose doxepin and methods of using the same to treat sleep disorders Grant US-9907779-B2 United States of America 06 Mar 2018
Low-dose doxepin formulations and methods of making and using the same Grant US-9907780-B2 United States of America 06 Mar 2018