Navneet Kumar Verma

Advances and development in transdermal drug delivery system-A review

It is one of the best pharmaceutical dosage forms for those patients, they cannot take medicaments orally. Transdermal drug delivery system (TDDS) established itself as an integral part of novel drug delivery systems (NDDS). On the application of Transdermal patches, the delivery of the drug across dermis gives the systemic effect. TDDS is costly alternative to conventional formulation. It is also important due to its unique advantage. Controlled absorption, more uniform plasma levels, improved bioavailability, reduced side effects, painless and simple application and flexibility of terminating drug administration by simply removing the patch from the skin are some of the potential advantages of transdermal drug delivery. Development of controlled release transdermal dosage form is a complex process involving extensive efforts. This review article describes the methods of preparation of different types of transdermal patches. In addition, the various methods of evaluation of transdermal dosage form and Advance Development in TDDS have also been reviewed.

A brief review on bilayer floating tablet

Bilayer tablet is innovative period for the successful improvement of controlled release formulation along with a variety of features to provide a technique of successful drug delivery system. Controlled release dosage forms have been comprehensively used to improve therapy with several important drugs. Inclusion of drug in controlled release gastro-retentive dosage forms which can remain in the gastric region for several hours would considerably extend the gastric residence time of drugs and improve bioavailability, reduce drug waste and enhance the solubility of drugs that are less soluble in high pH environment. Numerous approaches are presently utilized in the prolongation of Gastric Retention Time, including floating drug delivery system, swelling and expanding systems, polymeric bio adhesive systems, high-density systems, modified shape systems and other deferred gastric emptying strategy.

Formulation and evaluation of herbal tablets containing Agaricus bisporus powder

Agaricus bisporus is an edible mushroom known for its nutritional and bio-medicinal properties. The methanolic extract of Agaricus bisporus for phytochemical screening performed and Alkaloids, Carbohydrate, Glycosides, Protein, Flavonoids, Saponins, Phenolic, Steroids. Some of them are responsible for anti-diabetic activities. In the present study oral administrable dosage form of herbal tablet and evaluated. The result of all test were found to be satisfactory.