Abstract:
The present invention relates to timed dual release dosage forms of short acting hypnotics or salts thereof adapted to release the short acting hypnotic over a predetermined time period, according to a profile of dissolution characterized in that it comprises two release pulses, the first being immediate (lasting up to 30 minutes) and the second being delayed by a fixed time (this fixed time being between 50 and 200 minutes).
Abstract:
The invention concerns a novel formulation for prolonged release of an active principle having a pH-dependent solubility. The inventive formulation comprises a matrix support based on hydrophilic polymer containing a specific dose of active principle, and further comprises one or more acidifying agents in the form of an acid salt of an organic acid.
Abstract:
The disclosure concerns a pharmaceutical composition in the form of a gastric resident matrix tablet, comprising an active principle, characterized in that when contacted with an environment representing gastric fluid, it increases after 15 minutes in volume, by a swelling of at least 200%.