Darunavir is a next-generation protease inhibitor that demonstrates potent in vitro activity against wild type strains of HIV type-1, as well as against numerous strains resistant to available protease inhibitors. Numerous trials conducted in naïve and in the ­treatment-experienced­HIV-infected­individuals­have­significantly­demonstrated­greater­virological­suppression­when­darunavir­was­ added...

This study investigates the impact of relative air humidity and temperature on the stability of imidapril hydrochloride (IMD) tablets. For this purpose the forced degradation test was used and the following environmental conditions were employed: RH = 76.4% and the temperature range of 313 - 333 K. For the determination of IMD content in the analyzed samples a reversed-phase high performance li...

Many antiepileptic drugs (AEDs) are extended-release (ER) tablets, such that an entire day’s dose is taken only once or twice daily. A patient taking four levetiracetam ER 500 mg tablets twice daily was alarmed when, after switching from a generic manufactured by Sun to a generic manufactured by Lupin, ER tablet remnants appeared as intact tablets in his stool, suggesting no drug was absorbed. ...

In this study, the effects of various hydrophilic (HPMC and Carbopol 971) and plastic (Ethylcellulose and Eudragit RL100) polymers on the release profile of diltiazem HCl from matrix tablets were evaluated in-vitro. For this purpose, tablets containing 60 mg of diltiazem HCl along with various amounts of the aforementioned polymers were prepared using the wet granulation technique. Tablets prep...

The recording of numbers appears to pre-date the emergence of writing and excavations of the clay tablets of civilisations in the Middle East have shown that clay tablets were used to keep account of activities undertaken in a systematic fashion. Correspondingly, various forms of abacus have been used types of calculation from the Sumerian abacus dating from about 4 ½ thousand years ago to the ...

This paper reviews the use of texture analysis in studying the performance of hydrophilic matrices of highly soluble drugs and different types of excipients (i.e. water-soluble, water-insoluble and swellable, and water insoluble and non-swellable). Tablets were prepared by direct compression, and their swelling and erosion in presence of these different excipients were assessed with the help of...

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in this study, the effects of various hydrophilic (hpmc and carbopol 971) and plastic (ethylcellulose and eudragit rl100) polymers on the release profile of diltiazem hcl from matrix tablets were evaluated in-vitro. for this purpose, tablets containing 60 mg of diltiazem hcl along with various amounts of the aforementioned polymers were prepared using the wet granulation technique. tablets prep...

The goal of this study was to compare the pharmacokinetics of nicardipine hydrochloride orally disintegrating tablets and β-cyclodextrin inclusion complex with its conventional tablets. Forty-five rats were divided into three groups evaluating the effect of dosage forms on the pharmacokinetics of nicardipine hydrochloride. Blood samples were taken at predefined sampling points 0–24h after medic...

Biocompatibility of layered double hydroxides (LDHs), also known as hydrotalcite-like materials or double metal hydroxides, was investigated by in vivo assays via intramuscular tablets implantation in rat abdominal wall. The tablets were composed by chloride ions intercalated into LDH of magnesium/aluminum (Mg2Al-Cl) and zinc/aluminum (Zn2Al-Cl). The antigenicity and tissue integration capacity...