Extended release pharmaceutical compositions of guanfacine hydrochloride
OwnerKumaravel VIVEK, Anuj Kumar Fanda +4inventors
InventorsKumaravel VIVEK, Anuj Kumar Fanda, Sweta Varshney, Romi Barat Singh, Lalit Khurana, Narravula Sreekanth
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Abstract
The present invention relates to an extended release pharmaceutical tablet composition comprising guanfacine comprising: a core containing guanfacine or a pharmaceutically acceptable salt thereof and one or more of pH-independent rate controlling polymer(s) and other pharmaceutically acceptable excipients; optionally a coating over the core as in (a) wherein, the coating comprises one or more of pH-independent rate controlling polymer(s).
Claims10
An extended release pharmaceutical tablet composition of guanfacine comprising:
- a) a core containing guanfacine or a pharmaceutically acceptable salt thereof and one or more of pH-independent rate controlling polymer(s) and other pharmaceutically acceptable excipients;
- and
- b) optionally a coating over the core of (a) wherein, the coating comprises one or more of pH-independent rate controlling polymer(s).
An extended release pharmaceutical tablet composition of guanfacine comprising:
- a) an inert pellet;
- b) a layer surrounding the inert pellet of (a), wherein the layer comprises guanfacine or a pharmaceutically acceptable salt thereof and other pharmaceutically acceptable excipients;
- and
- c) a coating surrounding the layer of (b), wherein the coating comprises one or more of pH-independent rate controlling polymer(s) and other pharmaceutically acceptable excipients.
An extended release pharmaceutical tablet composition of guanfacine comprising guanfacine or a pharmaceutically acceptable salt thereof, one or more of sustained release wax, one or more of pH-independent rate controlling polymer(s) and other pharmaceutically acceptable excipients.
Dependencies are inferred from the claim text.