The purpose of writing this review on floating drug delivery systems (FDDS) was to compile
the recent literature with special focus on the principal mechanism of floatation to achieve …

The success of controlled oral drug deliveries is associated with some physiological
adversities like short gastric residence time and unpredictable gastric emptying time …

Controlled release (CR) dosage forms have been extensively used to improve therapy with
several important drugs. However, the development processes are faced with several …

In the present era, gastroretentive dosage forms (GRDF) receive great attention because
they can improve the performance of controlled release systems. An optimum GRDF system …

Background Citric acid (CA) is a universal plant and animal-metabolism intermediate. It is a
commodity chemical processed and widely used around the world as an excellent …

Gastroretentive (GR) systems are designed to prolong gastric residence time to allow
sustained absorption and improve the oral bioavailability of drugs with a narrow absorption …

The aim of the current study was to design oral controlled release mucoadhesive
compressed hydrophilic matrices of atenolol and to optimize the drug release profile and …

The purpose of this research was to prepare a floating drug delivery system of diltiazem
hydrochloride (DTZ). Floating matrix tablets of DTZ were developed to prolong gastric …

The development of a controlled release formulation of captopril has been a challenge for
some time. In this work, the in vitro sustained release of captopril from Metolose SH 4000 …

Since their introduction over 50 years ago, polyurethanes have been applied to nearly every
industry. This review describes applications of polyurethanes to the development of modified …