Patent ID: 9339475
Filing Date: 2016-05-17
CPC Classification: A61K

Claim Text:
1. A method of delivering a pharmaceutically active agent to a subject, the method comprising: a subject imbibing an aqueous fluid using a drinking device, wherein the drinking device comprises a hollow tube having two ends, a plurality of particles, each of the plurality of particles comprising a pharmaceutically active agent, and the device further comprising a plurality of particle containment elements that restrain the particles within the hollow tube while the subject imbibes the aqueous fluid and a dosage comprising an effective amount of the pharmaceutically active agent is orally delivered to the subject as fluid flows over the plurality of particles during said imbibing, wherein the particles are spatially arranged within the device to achieve a specific flow resistance not greater than about 50 Torr/mm such that a dosage comprising an effective amount of the pharmaceutically active agent is orally delivered to the subject as fluid flows over the particles during said imbibing, wherein each of the plurality of particles comprises an inner core comprising an inert material, and an outer layer containing the active agent and surrounding the inner core, the inner cores remaining within the hollow tube after said imbibing, and wherein the inner cores are insoluble when contacted with an aqueous medium.