Journal of Pharmaceutical Technology, Research and Management
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An Update on Some Recent Solubility Enhancers as Pharmaceutical Excipients
Get PDFAt present the pharmaceutical academia and industries are focusing on the use of natural materials and resources for development of pharmaceutical product. Due to advances in drug delivery technology, currently, excipients are included in novel dosage forms to fulfill specific functions. Various natural polymers are widely being studied as a potential carrier material for site specific drug delivery because of its non-toxic and biocompatible in nature. Natural polymers (polysaccharides) have been investigated for drug delivery applications as well as in biomedical fields. Modified polymer or synthetic polymers have found its application as a support material for cell culture, tissue engineering and gene delivery. Recent trends towards use of natural products or plant based products demand the replacement of synthetic additives with natural ones. These natural materials have many advantages over synthetic ones as they are biodegradable, chemically inert, less expensive, nontoxic and widely available. This review provides an overview of the different modified polymer derivatives and their applications with special consideration being put on biomedical engineering and controlled drug delivery
Improvement of Learning and Memory of Mice by Plumbagin
Get PDFRoots of Plumbago zeylanica have been reported to improve learning and memory of mice, but the effect of plumbagin on learning and memory of mice and the possible mechanisms for its effect on memory have not been explored till date. So the present study was designed to evaluate the effect of plumbagin on learning and memory of Swiss young male albino mice. Plumbagin (4, 8, 16 mg/kg, p.o.) and physostigmine (0.1 mg/kg,i.p.) per se were administered for 15 successive days to separate groups of mice. Behavioral parameters of learning and memory were recorded using Morris water maze. Acetylcholinesterase activity was estimated in brain of mice. Effect of plumbagin on scopolamine (0.4 mg/kg, i.p.) and diazepam (1 mg/kg, i.p.)-induced amnesia was also investigated. Locomotor activities of mice were also recorded. Plumbagin (8 and 16 mg/kg) and physostigmine significantly improved learning and memory of mice, as indicated by decrease in escape latency during training and increase in time spent in target quadrant of Morris water maze during retrieval. The drugs did not show any significant effect on locomotor activities of mice. Memory improving activity of plumbagin (16 mg/kg) was equivalent to physostigmine. Plumbagin significantly reversed scopolamine- and diazepam- induced amnesia in mice. Plumbagin and physostigmine also significantly reduced brain acetylcholinesterase activity of mice. In conclusion, plumbagin significantly improved memory of mice possibly through inhibition of brain acetylcholinesterase activity and through involvement of GABA-benzodiazepine pathway. Thus, plumbagin may be explored further for management of cognitive dysfunction
Ellagic Acid Administration Reverses Colchicine- Induced Dementia in Rats
Get PDFThe late-onset sporadic type of Alzheimer’s disease is characterised by chronic oxidative stress, neuroinflammation and cognitive dysfunction. Ellagic acid is a naturally occurring polyphenol known to possess robust antioxidant property. In the present study, memory enhancing potential of ellagic acid has been explored against ICV colchicine induced dementia in rats. Colchicine (15μg/rat) was administered to Wistar rats (200g) through intracerebroventricular (ICV) route by using stereotaxic apparatus. ICV colchicine induces Alzheimer’s disease like changes in the brain such as rampant free radical production, neuroinflammation and selective neurodegeneration in hippocampus and cortex by acting as an antitubulin agent (mitotic poison). Ellagic acid (17.5 and 35 mg/kg, p.o.) was administered to rats for 25 successive days. Morris water maze and elevated plus maze paradigms were utilized to assess the spatial memory of rats. Oxidative stress biomarkers along with TNF-α were also measured in brain of rats. Ellagic acid prevented the ICV colchicine triggered cognitive deficits as evident by a significant (p<0.05) reduction in mean escape latency during acquisition trial and increased (p<0.05) time spent in target quadrant during probe trial in Morris water maze test, and reduction (p<0.05) in transfer latency in elevated plus maze test. Furthermore, both the doses of ellagic acid attenuated ICV colchicine induced rise in brain TBARS as well as TNF-α and simultaneously enhanced the GSH content.Ellagic acid prevented the brain of rodents from dementing effects of colchicine by attenuating the oxidative damage
Mannich Bases of 2-Substituted Benzimidazoles - A Review
Get PDFMannich bases are the end products of mannich reaction and are known as beta amino ketone carrying compounds. Mannich reaction is a carbon carbon bond forming nucleophilic addition reaction which helps in synthesizing N-methyl derivatives and many other drug molecules. Mannich base derivatives of benzimidazoles possess many pharmacological properties such as anti-oxidant, anti-inflammatory, anticancer, antiviral, anthelmintic and play an important role in medical field. As these drugs are clinically useful in treatment of microbial infections and exhibit other therapeutic activities also, so this encouraged the development of more potent, novel and clinically significant compounds. In this review synthesis and various biological activities of new mannich bases of benzimidazole derivatives reported is discussed
Clinical Symptoms and Therapies for Multiple Sclerosis
Get PDFMultiple Sclerosis (MS) is a chronic form, progressive and immune mediated central nervous system disorder that affects both adults and children. MS is characterized by the development of multiple lesions with the nerve fibers in the spinal cord, optic nerves and brain. Multiple sclerosis affects the approximately 2.5 million people worldwide. A triad of symptoms characterize the disease: fatigue, changes in sensation, ataxia, muscle weakness, dysarthria, dysphagia, visual problems, chronic or acute pain, difficulties of bladder and bowel. The diagnosis of Multiple Sclerosis is made on the foundation of the signs and symptoms, with magnetic resonance imaging and additional laboratory tests playing a helpful role. Every tests are non precise and simply supply supportive indication for diagnosis. A few people have a inadequate number of “relapses” or “attacks” and remain fairly healthy for decades, others may worsen rapidly from the time of analysis, through shortened lifespan and poor excellence of the life. The prognosis is problematical to forecast; it depends on the initial symptom, subtype of the illness, the individual patient’s disorder characteristics. The substantial variability in multiple sclerosis manifestations leads to elevated figure of misdiagnoses each year, but advances in knowledge and pharmaceuticals are leading to more exact identification and successful management. Early diagnosis and management is essential in reducing the severity of disease
A Review on Medication Errors
Get PDFRole of clinical pharmacist is to provide optimal pharmaceutical care for individual patients and optimal pharmaceutical care is attained when the right drug in the correct dosage and quality reaches the right patients at the right point in time with the right information. Any preventable event that may cause or lead to inappropriate medication use or patient harm during medication to user is called medicational error and is in the control of the health care professional, patient and consumer. In this review on medication errors, prescr-ibing errors (67 %), administration errors (25%), dispensing errors (08%) were found on the basis of review of literature.Prescribing errors are the prime cause of MEs that further leads to subsequent dispensing and administration errors. Medication errors are common cause of adverse drug events or subtherapeutic outcomes of pharmaceutical care
In-Vitro Anti-oxidant And Antimicrobial Study of Ficus Hispida
Get PDFFicus hispida L. belongs to the Moraceae family and is used by the maaiba trible (indigenous medicine - man of Manipur, India) as an indigenous traditional medicine. Present study deals with the successive extraction of the aerial parts of Ficus hispida and in-vitro screening of anti-oxidant and anti-microbial activity. The phytochemical screening of the methanol extract of Ficus hispida shows the presence of secondary metabolite groups like alkaloid, phenolic compounds, flavonoid, glycosides, protein etc. Phenolic compounds are commonly found in both edible and nonedible plants and are responsible for various medicinal activities of plants, so our study is based on determining antioxidant activity and anti-microbial activity. Beside these, we also measured the total flavonoid and total phenolic content of the respective sample to understand the effect of polyphenolic compound on different pathophysiological state associated with high free radical production. The in-vitro investigation proves the efficiency of this plant in various diseases states
Cosmetics: Regulatory Scenario in USA, EU and India
Get PDFThe efficacy, safety, regulatory framework, and marketing of cosmetic products are the most important factors for the growth of the cosmetic industry. The safety of cosmetic goods is regulated by diverse regulatory bodies around the globe who all have their own rules and regulations. The regulations of cosmetics like, nomenclature, labeling, and safety of colorants(s) alter in different countries. Much stringent legislation exists in the European Union (EU) and The United States of America (USA) has very much stringent legislation in order to regulate the use of cosmetic products. The safety assessments of cosmetic products are affected by the different regulations of different regulatory bodies. Nevertheless, there is a need for harmonized regulations throughout the world. An attempt has been made in the present manuscript to compare the current regulatory scenario of cosmetics in the USA, EU, and India.
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Pharmaceutical Analysis of Eptifibatide via Simple, Rapid, Economical UV-Spectrophotometric Methods
Get PDFEptifibatide is an antiplatelet drug of the glycoprotein IIb/IIIa inhibitor class. Pharmaceutically it is applied to reduce the risk of acute cardiac ischemic events. The present work reveals two simple, rapid and economical UuV-Spectrophotometric methods for pharmaceutical analysis of Eeptifibatide bulk and in parenteral formulation. The ‘Method I’ is based on the Zero Order Spectrophotometric determination of drug at its wavelength maximum 218.20 nm and ‘Method II’ employed First Order Derivative - Aarea Uunder Curve (AUauC) technique in which the area has been integrated between two wavelengths 220.20 to 237.20 nm. The drug obeyed linearity in the concentration range of 3 - 18 μg/mLl with coefficient of correlation; greater than 0.999 in both methods. The amounts of drug determined by both methods are in conformity with label claim. These methods are validated for accuracy, precision and ruggedness with % RSD value less than 2.0
Neuropharmacological Activities of Abies pindrow Aerial Parts in Mice
Get PDFThe methanol extract (200 or 400 mg/kg, p.o.) and ethyl acetate fraction (25 or 50 mg/kg, p.o.) of A. pindrow aerial parts were screened for anticonvulsant, antidepressant, locomotor, hypnotic and antistress activities. The methanol extract (ME) and ethyl acetate fraction (EAF) could not reduce duration of MES-induced tonic extensor phase with respect to the standard drug, phenytoin (20 mg/kg, i.p.). Both ME and EAF showed significant reduction of time spent in immobile state in forced swim test and did not stimulate locomotion in an open field model, thereby confirming their specific antidepressant activity. In cold swim test, ME and EAF showed antistress activity comparable to diazepam (1 mg/kg, i.p.). None of the test doses of ME and EAF could significantly increase duration of sleep in mice as compared to the control group. Phytochemical screening of ME and EAF showed presence of flavonoids as major class of phytoconstituents