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Journal of Pharmaceutics

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https://www.readbyqxmd.com/read/30105115/-in-vitro-and-in-vivo-quality-evaluation-of-glibenclamide-tablets-marketed-in-addis-ababa-ethiopia
#1
Haile Kassahun, Kaleab Asres, Ayenew Ashenef
Good quality drugs fulfilling the regulatory parameters and produced per the current good manufacturing (CGMP) standards are very critical for best therapeutic outcome in patient therapy. Hence, this study assesses quality as well as physicochemical bioequivalence of five brands of glibenclamide tablets marketed in Addis Ababa using in vitro and in vivo methods. Friability, disintegration, dissolution, and assay for the content of active ingredients were evaluated using the methods described in the British Pharmacopeia (2009) and United States Pharmacopeia (2007)...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/30057848/association-of-plga-microspheres-to-carrier-pellets-by-fluid-bed-coating-a-novel-approach-towards-improving-the-flowability-of-microparticles
#2
André O'Reilly Beringhs, Aline Benedita Dos Santos Fonseca, Angela Machado De Campos, Diva Sonaglio
Micro- and nanoparticles have been vastly studied due to their biopharmaceutical advantages. However, these particles generally display very weak packing and poor mechanical properties. Hereby, a new methodology is proposed to associate poorly flowing particles to macrostructures targeting the improvement of flowability and redispersibility of the particles. Cecropia glaziovii -loaded PLGA microspheres (4.59 ± 0.04 μ m) were associated with carrier pellets by film coating in a top-spray fluid bed equipment...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/30002943/antidiarrheal-and-antioxidant-activities-of-methanol-extract-of-bryophyllum-pinnatum-leaf-harvested-from-south-eastern-nigeria-in-mice
#3
Samuel O Onoja, Ginika Q Ihejirika, Oluchi N Nwankudu, Yusuf N Omeh, Maxwell I Ezeja
Bryophyllum pinnatum belongs to the family Crassulaceae and it is commonly used in the ethnomedical practices. This study investigated the antidiarrheal and antioxidant properties of methanol extract of Bryophyllum pinnatum leaf harvested from South-Eastern Nigeria in mice. Cold maceration method in 80% methanol was adopted in the extract preparation. The 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays were used to evaluate the antioxidant property while castor oil-induced diarrhea, small intestinal transit, and enteropooling models were used for the antidiarrheal investigation...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29974005/effect-of-skin-model-on-in-vitro-performance-of-an-adhesive-dermally-applied-microarray-coated-with-zolmitriptan
#4
Mahmoud Ameri, Hayley Lewis, Paul Lehman
Franz cell studies, utilizing different human skin and an artificial membrane, evaluating the influence of skin model on permeation of zolmitriptan coated on an array of titanium microprojections, were evaluated. Full thickness and dermatomed ex vivo human skin, as well as a synthetic hydrophobic membrane (Strat-M®), were assessed. It was found that the choice of model demonstrated different absorption kinetics for the permeation of zolmitriptan. For the synthetic membrane only 11% of the zolmitriptan coated dose permeated into the receptor media, whilst for the dermatomed skin 85% permeated into the receptor...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29955438/cocoa-pod-husk-pectin-intended-as-a-pharmaceutical-excipient-has-no-adverse-effects-on-haematological-parameters-in-sprague-dawley-rats
#5
Ofosua Adi-Dako, Kwabena Ofori-Kwakye, Kennedy Kwami Edem Kukuia, Jerry Asiedu-Larbi, Alexander Kwadwo Nyarko, Doris Kumadoh, Grace Frimpong
Natural polymer research has recently become the focus of intensive research in the quest for new enabling excipients for novel drugs in pharmaceutical formulation for optimal treatment outcomes. Evaluations of some excipients have shown deleterious haematological effects of varying extents on the safety profile of these excipients. A 90-day subchronic toxicity study was conducted to evaluate the influence of cocoa pod husk (CPH) pectin on indicators for haematotoxicity. Male and female Sprague Dawley rats (SDRs) were fed with CPH pectin in doses up to 71...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29862118/protein-based-nanostructures-for-drug-delivery
#6
REVIEW
Deepali Verma, Neha Gulati, Shreya Kaul, Siddhartha Mukherjee, Upendra Nagaich
The key role of protein based nanostructures has recently revolutionized the nanomedicine era. Protein nanoparticles have turned out to be the major grounds for the transformation of different properties of many conventional materials by virtue of their size and greater surface area which instigates them to be more reactive to some other molecules. Protein nanoparticles have better biocompatibilities and biodegradability and also have the possibilities for surface modifications. These nanostructures can be synthesized by using protein like albumin, gelatin, whey protein, gliadin, legumin, elastin, zein, soy protein, and milk protein...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29854557/characterization-of-%C3%AE-glucosidase-inhibitor-cyclodextrin-complex-prepared-by-freeze-drying
#7
Yutaka Inoue, Sachie Narumi, Akiho Mitsumori, Isamu Murata, Ikuo Kanamoto
Miglitol (MT) is an α -glucosidase inhibitor with a postmeal blood glucose level lowering effect that is used to treat type 2 diabetes. In addition, α -cyclodextrin ( α CD) has been reported to inhibit increases in postmeal blood glucose. The aim of this study was to prepare a freeze-dried product (FD) composed of MT and α CD or γ CD (molar ratio of MT/ α CD = 1/1, MT/ γ CD = 1/1) and to evaluate the physicochemical properties and biological activity of the FD. The PXRD profile of FD exhibited a halo pattern, and characteristic peaks derived from MT, α CD, and γ CD were not observed...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29785318/role-of-nanotechnology-in-cosmeceuticals-a-review-of-recent-advances
#8
REVIEW
Shreya Kaul, Neha Gulati, Deepali Verma, Siddhartha Mukherjee, Upendra Nagaich
Nanotechnology manifests the progression in the arena of research and development, by increasing the efficacy of the product through delivery of innovative solutions. To overcome certain drawbacks associated with the traditional products, application of nanotechnology is escalating in the area of cosmeceuticals. Cosmeceuticals are regarded as the fastest growing segment of the personal care industry and the use has risen drastically over the years. Nanocosmeceuticals used for skin, hair, nail, and lip care, for conditions like wrinkles, photoaging, hyperpigmentation, dandruff, and hair damage, have come into widespread use...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29675282/self-medication-practice-in-limmu-genet-jimma-zone-southwest-ethiopia-does-community-based-health-insurance-scheme-have-an-influence
#9
Bayu Begashaw Bekele, Shibiru Tesema Berkesa, Enyew Tefera, Abera Kumalo
Background: Self-medication, which is a form of self-care, is an important initial response to illness, and many illnesses can be successfully treated at this stage. It is practiced by a considerable proportion of the population and is affected by sociodemographic and economic factors. This study was conducted to assess the practice of self-medication and associated factors in Limmu Genet's town households, Jimma Zone, Southwest Ethiopia. Methods and Materials: A community based cross-sectional study was done...
2018: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29130019/patients-knowledge-and-attitude-toward-the-disposal-of-medications
#10
Aeshah AlAzmi, Hani AlHamdan, Rayf Abualezz, Faiz Bahadig, Noha Abonofal, Mohamed Osman
Background: Safe disposal of medications is of high concern as malpractice may lead to harmful consequences such as undesirable effects, prescription drug abuse, overstocking, self-medication, accidental overdose, and even death. There is a lack of uniform and nationwide guidance on how patients should safely dispose their leftover medications. This study aims to assess patients' knowledge and attitude regarding the disposal of medications. Method: This research is a cross-sectional study...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28781909/evaluation-of-the-disintegrant-properties-of-native-starches-of-five-new-cassava-varieties-in-paracetamol-tablet-formulations
#11
Frank Kumah Adjei, Yaa Asantewaa Osei, Noble Kuntworbe, Kwabena Ofori-Kwakye
The disintegrant potential of native starches of five new cassava (Manihot esculenta Crantz.) varieties developed by the Crops Research Institute of Ghana (CRIG) was studied in paracetamol tablet formulations. The yield of the starches ranged from 8.0 to 26.7%. The starches were basic (pH: 8.1-9.9), with satisfactory moisture content (≤15%), swelling capacity (≥20%), ash values (<1%), flow properties, and negligible toxic metal ion content, and compatible with the drug. The tensile strength (Ts ), crushing strength (Cs ), and friability (Ft ) of tablets containing 5-10% w/w of the cassava starches were similar (p > 0...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28660092/novel-hplc-analysis-of-hydrocortisone-in-conventional-and-controlled-release-pharmaceutical-preparations
#12
Ofosua Adi-Dako, Samuel Oppong Bekoe, Kwabena Ofori-Kwakye, Enoch Appiah, Paul Peprah
An isocratic sensitive and precise reverse phase high-performance liquid chromatography (RP-HPLC) method was developed and validated for the determination and quantification of hydrocortisone in controlled-release and conventional (tablets and injections) pharmaceutical preparations. Chromatographic separation was achieved on an ODS (C18), 5 μm, 4.6 × 150 mm, with an isocratic elution using a freshly prepared mobile phase of composition methanol : water : acetic acid (60 : 30 : 10, v/v/v) at a flow rate of 1...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28660091/can-a-biodegradable-implanted-bilayered-drug-delivery-system-loaded-with-bmp-2-bmp-12-take-an-effective-role-in-the-biological-repair-process-of-bone-tendon-injuries-a-preliminary-report
#13
Baran Komur, Yener Akyuva, Numan Karaslan, Mehmet Isyar, Seyit Ali Gumustas, Ibrahim Yilmaz, Semih Akkaya, Duygu Yasar Sirin, Cagri Ata Mutlu, Ahmet Guray Batmaz, Olcay Guler, Mahir Mahirogullari
BACKGROUND: Use of biodegradable and biocompatible materials in the orthopedic surgery is gaining popularity. In this research, the rate of controlled release of a bilayered prototype biomaterial designed to promote osteoblastic and tenoblastic activity was calculated using pharmacochemical methods. METHODS: The first part of the design, composed of a sodium tetraborate, polyvinyl alcohol, and starch based hydrogel, was loaded with bone morphogenic protein-2. The second part which was composed of a sodium tetraborate, polyvinyl alcohol, and chitosan based hydrogel was loaded with bone morphogenic protein-12...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28321359/high-throughput-screening-of-potential-skin-penetration-enhancers-using-stratum-corneum-lipid-liposomes-preliminary-evaluation-for-different-concentrations-of-ethanol
#14
Pajaree Sakdiset, Yuki Kitao, Hiroaki Todo, Kenji Sugibayashi
In this study, we developed a technique for high-throughput screening (HTS) of skin penetration-enhancers using stratum corneum lipid liposomes (SCLLs). A fluorescent marker, sodium fluorescein (FL), entrapped in SCLLs was prepared to provide a preliminary evaluation of the effect of different concentrations of ethanol on the disruption effect of SCLLs, which is an alternative for skin penetration-enhancing effects. In addition, SCLLs containing a fluorescent probe (DPH, TMA-DPH, or ANS) were also prepared and utilized to investigate SCLL fluidity...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28261517/formulation-and-evaluation-of-new-glimepiride-sublingual-tablets
#15
Wafa Al-Madhagi, Ahmed Abdulbari Albarakani, Abobakr Khaled Alhag, Zakaria Ahmed Saeed, Nahlah Mansour Noman, Khaldon Mohamed
Oral mucosal delivery of drugs promotes rapid absorption and high bioavailability, with a subsequent immediate onset of pharmacological effect. However, many oral mucosal deliveries are compromised by the possibility of the patient swallowing the active substance before it has been released and absorbed locally into the systemic circulation. The aim of this research was to introduce a new glimepiride formula for sublingual administration and rapid drug absorption that can be used in an emergency. The new sublingual formulation was prepared after five trials to prepare the suitable formulation...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28239502/immunooncology-can-the-right-chimeric-antigen-receptors-t-cell-design-be-made-to-cure-all-types-of-cancers-and-will-it-be-covered
#16
REVIEW
Regina Au
Immunooncology (IO) is the buzz word today and it has everyone doing IO research. If we look back at the history of cancer treatment, the survival rate was measured in months which, according to oncologists, was a lot back then because the mortality rate in most cancers was 100%. However, most traditional chemotherapies were not well tolerated because they would kill both cancerous and healthy cells, which lead to major side effects such as loss of hair, nausea and vomiting, and risk of infection. Survival was better but not much better depending on the type of cancer and the patient's own genetic and physiological make-up...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28191360/self-medication-pattern-among-social-science-university-students-in-northwest-ethiopia
#17
Dessalegn Asmelashe Gelayee
Background. Inappropriate self-medication causes wastage of resources among others. Method. This survey study was conducted to determine self-medication pattern of 404 social science university students in Northwest Ethiopia, who were selected through stratified random sampling technique. Data were collected using self-administered questionnaire and analyzed with SPSS version 20 statistical software. Binary Logistic Regression analysis was employed with P value < 0.05 considered statistically significant...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28182107/methanolic-extract-of-dill-leaves-inhibits-ages-formation-and-shows-potential-hepatoprotective-effects-in-ccl4-induced-liver-toxicity-in-rat
#18
Ebrahim Abbasi Oshaghi, Iraj Khodadadi, Fatemeh Mirzaei, Mozafar Khazaei, Heidar Tavilani, Mohammad Taghi Goodarzi
The research was aimed at evaluating the antiglycation, antioxidant, and hepatoprotective properties of methanolic extract of Anethum graveolens (dill). The antioxidant properties, photochemical characteristics, and antiglycation effects of dill extract were measured. Carbon tetrachloride-induced hepatotoxic rats were used to show the hepatoprotective activity of dill leaves. Different concentration of dill extract (0.032, 0.065, 0.125, 0.25, 0.5, and 1 mg/mL) showed potential antioxidant ability. The extract of dill leaves significantly reduced AGEs formation and also fructosamine and protein carbonyl levels in rats' liver...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28154771/combined-effect-of-synthetic-and-natural-polymers-in-preparation-of-cetirizine-hydrochloride-oral-disintegrating-tablets-optimization-by-central-composite-design
#19
Chandra Sekhar Patro, Prafulla Kumar Sahu
Our aim was to employ experimental design to formulate and optimize cetirizine hydrochloride oral disintegrating tablets (ODTs) by direct compression technique, using the mutual effect of synthetic croscarmellose sodium (CCS) and natural Hibiscus rosa-sinensis mucilage (HRM) as disintegrants in the formulation. Central composite design (CCD) was applied to optimize the influence of three levels each of CCS (X1) and HRM (X2) concentrations (independent variables) for investigated responses: disintegration time (DT) (Y1), % friability (F) (Y2), and % cumulative drug release (DR) (Y3) (dependent variables)...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28116221/structural-alteration-in-dermal-vessels-and-collagen-bundles-following-exposure-of-skin-wound-to-zeolite-bentonite-compound
#20
Shahram Paydar, Ali Noorafshan, Behnam Dalfardi, Shahram Jahanabadi, Seyed Mohammad Javad Mortazavi, Seyedeh-Saeedeh Yahyavi, Hadi Khoshmohabat
Background. This study examines the impact of one-time direct application of haemostatic agent zeolite-bentonite powder to wounded skin on the healing process in rats. Materials and Methods. 24 male Sprague-Dawley rats were randomly allocated into two groups (n = 12): (1) the rats whose wounds were washed only with sterile normal saline (NS-treated) and (2) those treated with zeolite-bentonite compound (ZEO-treated). The wound was circular, full-thickness, and 2 cm in diameter. At the end of the 12th day, six animals from each group were randomly selected and terminated...
2016: Journal of Pharmaceutics
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