30. October 2016
Abstract Diclofenac topical formulations are often preferred for drug administration to patients who experience serious GIT problems. Absorption of the drug through the skin, however, can be challenging due to the natural protective feature of the stratum corneum (SC). In this article, fluid gels prepared from gellan gum were explored as a topical drug delivery vehicle. Rheological analysis of the formulations showed that it was possible to produce a topical gel with a viscosity and the...
30. October 2016
Abstract Liposomes are self-assembled bilayer vesicles which have attracted a great deal of interest as potential carriers for a wide range of therapeutic agents. They have significantly decreased toxicity of drugs while improving or at least maintaining their efficacy. However, their further development has been hampered by their considerable instabilities and, in some cases, providing comparable efficacy to conventional products. Decoration of liposomal nanocarriers with chitosan (CS) and its...
27. October 2016
Excipients play a crucial role in the manufacturing of solid-dosage forms and the performance of the finished drug product. Excipients are typically the major components of a solid dosage form. These non-active substances have well-defined roles in the development of tablets and capsules, and are included for a number of reasons such as to aid the manufacturing process or to add functionality to the formulation. Excipients for processing Excipients can be divided into several broad processing...
27. October 2016
Abstract The positively charged amino acids are commonly used excipients in biopharmaceutical formulations for stabilization of therapeutic proteins, yet the mechanisms for their modulation of protein stability are poorly understood. In this study, both lysine and histidine are shown to affect the thermal stability of myoglobin, bovine serum albumin, and lysozyme through a combination of mechanisms governed by their respective functional side chains and glycine, similar to arginine. This study...
27. October 2016
Biological drugs generated via recombinant techniques are uniquely positioned due to their high potency and high selectivity of action. The major drawback of this class of therapeutics, however, is their poor stability upon oral administration and during subsequent circulation. As a result, biological drugs have very low bioavailability and short therapeutic half-lives. Fortunately, tools of chemistry and biotechnology have been developed into an elaborate arsenal, which can be applied to...
27. October 2016
Abstract Multiple unit pellet system(s), MUPS, is one of the most commonly used means for achieving modified drug release through oral administration. MUPS is usually delivered as capsules that contain drug bearing beads coated with a release modulating functional layer. While the routine manufacture of tablets of MUPS by direct compression is highly desired, it is faced with the problem of poor tableting properties or altered drug release behavior due to the rupture of the functional coating...
27. October 2016
Considerable scope exists to vary the physical and chemical properties of nanoparticles, with subsequent impact on biological interactions; however, no accelerated process to access large nanoparticle material space is currently available, hampering the development of new nanomedicines. In particular, no clinically available nanotherapies exist for HIV populations and conventional paediatric HIV medicines are poorly available; one current paediatric formulation utilizes high ethanol...
27. October 2016
Abstract Mucoadhesive in situ gelling systems (soluble gels) have received considerable attention recently as effective stimuli-transforming vectors for a range of drug delivery applications. Considering this fact, the present work involves systematic formulation development, optimization, functional evaluation and ex vivo performance of thermosensitive soluble gels containing dexamethasone 21-phosphate disodium salt (DXN) as the model therapeutic. A series of in situ gel-forming systems...
26. October 2016
Abstract The multiparticulate drug product concept covering micropellets, pellets, and mini-tablets is presented as a highly feasible approach to present convenient and patient friendly medication for the geriatric population. Improved swallowability and optimized administration regimen going along with defined drug dosage are achievable. Extemporaneous preparation of medicines from standard medication can be avoided going along with improved patient safety. With one multiparticulate pellet,...
26. October 2016
Chinese FDA (CFDA) Order 134 "Matters Concerning Bundling Review and Approval of Pharmaceutical Packaging Materials, Pharmaceutical Excipients and Drugs" took effect on August 10, 2016. This order provides for the approval of pharmaceutical packaging materials and excipients in conjunction ("bundled") with drug product applications. Previously in China, packaging materials and excipients could be reviewed independently via the Import Drug License (IDL, Drug Licensing) process. READ MORE