Posted by admin on Oct 1, 2012 in |
Impurity is something that is impure or makes something else impure. An impure substance may be defined as follows: a substance of interest mixed or impregnated with an extraneous or usually inferior substance, from the standpoint of its usage, the drug substance is compromised in terms of purity even if it contains another material with superior pharmacological or toxicological properties. The impurity may be developed either during formulation, or upon aging of both API’s and formulated API’s in medicines. The presence of these unwanted chemicals, even in small amount, may influence the efficacy and safety of the pharmaceutical products. The impurities are not necessarily always inferior. Highly sophisticated instrumentation, such as mass spectra meters attached to a Gas Chromatography or HPLC, are inevitable tools in the identification of minor components (drugs, impurities, degradation products, metabolites) in various matrices. Present article reveals different impurities found in the API’s, methods for identifying them and the possible measures to deal with the interferences caused by them in pharmaceutical...
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Posted by admin on Oct 1, 2012 in |
The occurrence of non-alcoholic fatty liver disease (NAFLD) is around 20-30% in the general population. NAFLD is usually asymptomatic, although a minority of patients may present with evidence of progressive liver injury with complications of cirrhosis, liver failure, and hepatocellular carcinoma. In spite of being common and potentially serious, relatively little is known about the natural history or prognostic significance of NAFLD. The management focuses upon modifying metabolic risk factors. Insulin-sensitizing and hepatoprotective drugs have been subjected to study trials, but up till now, no agent has conclusively been established to prevent disease...
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Posted by admin on Oct 1, 2012 in |
Vaccine development has continuously shifted away from live attenuated or inactivated whole organisms. Although this approach having good efficacy but for improvement on comparison of risk/benefit ratio which needs improvement due to their highly complex compositions which result in safety concerns. As a consequence, a number of indications remained unadressed. The next generation vaccines represented as subunit vaccines, whereby the only pathogens fragments used which are relevant in inducing protective immunity. For the successful subunit vaccination two major key requirements are safe carrier and adjuvant system, since the small, isolated pathogen fragments themselves are generally weak immunogens. Pevion’s virus-like particle (VLP) vaccine technology, called virosomes, and their design is specifically for the development of safe and effective subunit vaccines. Virosomes based vaccination has already been approved in more than 40 countries, including for elderly and infants. It is successful in solid regulatory & safety track record as well as the feasibility of production upscaling. The outstanding profile with combined efficacy and safety of virosomes-based vaccines are known for its...
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Posted by admin on Oct 1, 2012 in |
Cancer is uncontrolled growth of abnormal cells in the body. The cells causing cancer are called malignant cells. There are so many means by which one can treat the cancer such as chemotherapy, radiation treatment, surgery, etc. With all these treatments there are some side effects as loss of hairs, living cells may get killed, for surgery skilled persons are required and chances of reoccurrences are high. As per those side effects there is less popularity of such drugs. To overcome these problems and side effects liposomal treatment is useful. Liposomal drugs have high encapsulation capacity, hence shows a significant anticancer activity with decreased toxicity preferentially cadiotoxicity. These liposomal treatments have great prolonged circulation as in daunorubicin and pegylated liposomal doxorubicin. This liposomal drug delivery also developed for delivery of various drugs. Further generation of drug delivery systems will include true molecular targeting, immunoliposomes and other ligand directed constructs that represent emphasize on biological components capable of tumor recognition with delivery...
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Posted by admin on Oct 1, 2012 in |
In the recent years, the use of herbal products has been increasing in developing countries. Psidium guajava Linn. (Guava) family Myrtaceae is an important dietary plant used traditionally for medicinal purpose around the world. The fruit part of the guava is used because of its food and nutritional value but other part of the guava plant are used in the traditional system due to their medicinal properties. Since each part of the guava tree possess the economic value. The pharmacological and medicinal use have demonstrated the ability of this plant to exhibit antioxidant, hepatoprotective, antiallergic, antimicrobial, anticancer, cardioprotective, antidiabetic, ant cough, antidote properties. This review delineate with intervention of Psidium guajava in the management of various...
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