Isolation technology for research and development applications: from concept to production.

abstract：:The effect of some processing and formulation variables on the stability of tablets containing a crystalline salt of a triazine derivative was studied. The salt has a relatively low melting point and a low microenvironmental pH due to the weakly basic nature of the parent compound (pKa = 4.0). This compound decomposes...

journal_title：Pharmaceutical development and technology

authors： Badawy S,Vickery R,Shah K,Hussain M

更新日期：2004-08-01 00:00:00

abstract：:Submicron colloidal suspensions of poly(epsilon-caprolactone) (PCL) were prepared by the solvent displacement method, using either the conventional form or a new recirculation device. In the latter case, a process that allows the recirculation of the aqueous phase into a device, providing a continuous flow, is propose...

journal_title：Pharmaceutical development and technology

authors： Piñón-Segundo E,Ganem-Quintanar A,Rafael Garibay-Bermúdez J,Juan Escobar-Chávez J,López-Cervantes M,Quintanar-Guerrero D

更新日期：2006-01-01 00:00:00

abstract：:Ranitidine tablets USP showed variable intra- and inter-lab dissolution results. In order to ascertain the reason for this behavior, ranitidine tablets USP produced by (BIPI) Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, and Zantac Tablets (brand of ranitidine USP), Glaxo Inc., Research Triangle, NC, were...

journal_title：Pharmaceutical development and technology

authors： Cappola ML

更新日期：2001-01-01 00:00:00

abstract：:Co-solvent solubilization approach has been used to enhance the solubility of seven antidiabetic drugs: gliclazide, glyburide, glipizide, glimepiride, repaglinide, pioglitazone, and roziglitazone. Solubility in water, phosphate buffer (pH 7.4), six co-solvent solutions prepared in water as well as phosphate buffer (pH...

journal_title：Pharmaceutical development and technology

authors： Seedher N,Kanojia M

更新日期：2009-01-01 00:00:00

abstract：:The purpose of this research was to design and develop a novel controlled-release bead formulation for oral administration with buffer crystals as a carrier for loading of fenoldopam mesylate, an intravenous antihypertensive agent, which provides an in vitro release rate of 30-50 mg/hr for 6-8 hr. Buffer crystals were...

journal_title：Pharmaceutical development and technology

authors： Venkatesh GM

更新日期：1998-11-01 00:00:00

abstract：:Pulmonary delivery of peptides remains an important, noninvasive route of administration that is attractive because it offers high bioavailability and patient compliance. Optimization of particle characteristics for deposition in the deep regions of the lung after inhalation and retention of peptide stability are key ...

journal_title：Pharmaceutical development and technology

authors： Poursina N,Vatanara A,Rouini MR,Gilani K,Rouholamini Najafabadi A

更新日期：2017-09-01 00:00:00

abstract：:Multivesicular liposomes (MVLs) have been widely studied for encapsulation of hydrophilic drugs due to their structural properties and large aqueous inner cavities. In this study, to investigate MVLs and their potential application for incorporation of hydrophobic drugs, new drug delivery system for fluocinolone aceto...

journal_title：Pharmaceutical development and technology

authors： Vafaei SY,Dinarvand R,Esmaeili M,Mahjub R,Toliyat T

更新日期：2015-11-01 00:00:00

abstract：:Tablet hardness, a measure of the breaking force of a tablet, is based on numerous factors. These include the shape of the tablet and the mode of the application of force. For instance, when a pentagonal-shaped tablet was tested with a traditional hardness tester with flat platens, there was a large variation in hardn...

journal_title：Pharmaceutical development and technology

authors： Malladi J,Sidik K,Wu S,McCann R,Dougherty J,Parab P,Carragher T

更新日期：2017-03-01 00:00:00

abstract：:Substituting spacer by another in noninvasive ventilation (NIV) involves many variables, e.g. total emitted dose (TED), mass median aerodynamic diameter (MMAD), type of spacer, total lung deposition and total systemic absorption, which must be adjusted to ensure patient optimum therapy. Data mining based on artificial...

journal_title：Pharmaceutical development and technology

authors： Hussein RRS,M A Ali A,Salem HF,Abdelrahman MM,Said ASA,Abdelrahim MEA

更新日期：2017-11-01 00:00:00

abstract：:The present study was carried out in order to mask the bitter taste of the Etoricoxib by complexation with cation-exchange resin, Indion 204. The drug resin complexes (DRC) were prepared by batch process and efficient drug loading was obtained by using inactivated form of resin in the drug-resin ratio 1:3.3 with 30 mi...

journal_title：Pharmaceutical development and technology

authors： Patra S,Samantaray R,Pattnaik S,Barik BB

更新日期：2010-09-01 00:00:00

abstract：:The purpose of this study was a comparative evaluation of miniaturized vs. University of Minnesota's (i.e., U of Minn. = Hiestand's) procedures for determining the tensile strength, indentation hardness, and bonding index (BI), one out of three Indices of Tableting Performance (ITP). Tableting properties of six direct...

journal_title：Pharmaceutical development and technology

authors： Lamey K,Schwartz J,Muller F

更新日期：2003-08-01 00:00:00

abstract：:The compendial method of evaluation of orodispersible tablets (ODT) is the same disintegration test as for conventional tablets. Since it does not reflect the disintegration process in the oral cavity, alternative methods are proposed that are more related to in vivo conditions, e.g. modified dissolution paddle appara...

journal_title：Pharmaceutical development and technology

authors： Brniak W,Jachowicz R,Krupa A,Skorka T,Niwinski K

更新日期：2013-03-01 00:00:00

abstract：CONTEXT:Bioadhesiviness of polyacrylic acid polymers make them promising hydrogels to design topical drug delivery systems, allowing a close contact with biological substrate as well as an enhanced local concentration gradient, both factors that may improve the biological performance of the drugs. AIM:Texture and bioa...

journal_title：Pharmaceutical development and technology

authors： Calixto G,Yoshii AC,Rocha e Silva H,Stringhetti Ferreira Cury B,Chorilli M

更新日期：2015-06-01 00:00:00

abstract：:The effect of chemical enhancers (e.g., fatty acids, limonene, depilatory lotions) and iontophoresis was investigated on the in vitro permeability of leuprolide acetate through porcine epidermis. Franz diffusion cells and Scepter iontophoretic power source were used for the percutaneous absorption studies. Anodal iont...

journal_title：Pharmaceutical development and technology

authors： Rastogi SK,Singh J

更新日期：2004-11-01 00:00:00

abstract：:The aim of this study was to prepare various types of solid dispersions (SDs) by the hot-melt extrusion technique. Next, process analytical technology (PAT) such as Fourier transform-infrared (FT-IR) and Raman and near infrared (NIR) spectroscopy were applied to determine the solubilization effect. The SDs and its tab...

journal_title：Pharmaceutical development and technology

authors： Hwang I,Renuka V,Lee JH,Weon KY,Kang CY,Lee BJ,Park JB

更新日期：2020-06-01 00:00:00

abstract：PURPOSE:Aerodynamically stable, nebulized aerosols are desirable to achieve optimum asthma therapy. Stabilizing droplet size using gel-forming polymers may assist in achieving this goal. Semisolid particles may be generated through aerosolization of a polymer solution. Gelatin was employed as a model polymer in a proce...

journal_title：Pharmaceutical development and technology

authors： Deaton AT,Jones LD,Dunbar CA,Hickey AJ,Williams DM

更新日期：2002-05-01 00:00:00

abstract：:The physicochemical properties and enzymatic stability of esters of phenylephrone, synthesized on the basis of the chemical delivery system (CDS) concept, were studied as a new class of mydriatic agents. Potentiometrically determined ionization constants (pKa) of the novel compounds were in the range 7.19-7.21. The th...

journal_title：Pharmaceutical development and technology

authors： Goskonda VR,Khan MA,Bodor NS,Reddy IK

更新日期：1999-05-01 00:00:00

abstract：:Orally dissolving tablets (ODTs) represent one of the recent advances in drug delivery. The foremost objective of this study was to optimize the utilization of lubricant sodium stearyl fumarate in the preparation of dextromethorphan hydrobromide ODTs with enhanced taste-masking properties. The simple blending of sodiu...

journal_title：Pharmaceutical development and technology

authors： Mahrous GM,Ibrahim MA,Mostafa HF,Elzayat EM

更新日期：2019-07-01 00:00:00

abstract：:The objective of the present investigation was to enhance skin permeation of diclofenac using water-in-oil microemulsion and to elucidate its skin permeation mechanism. The w/o microemulsion formulations were selected based on constructed pseudoternary phase diagrams depending on water solubilization capacity and ther...

journal_title：Pharmaceutical development and technology

authors： Thakkar PJ,Madan P,Lin S

更新日期：2014-05-01 00:00:00

abstract：:Pharmaceutical aerosols have the potential to prevent pulmonary infectious diseases. Liposomal amphotericin B (LAMB, Ambisome, Astellas Pharma US, Deerfield, IL, USA) is approved as an intravenous infusion for empiric treatment of presumed fungal infections in neutropenic, febrile patients, as well as patients infecte...

journal_title：Pharmaceutical development and technology

authors： Alexander BD,Winkler TP,Shi S,Dodds Ashley ES,Hickey AJ

更新日期：2011-11-01 00:00:00

abstract：:Microgels were prepared by cinnamic acid-gelatin (type B) conjugate (CA-GelB) and cinnamic acid-Pluronic F127 conjugate (CA-Plur). (1)H NMR confirmed that CA was conjugated to gelatin and the gelatin to CA residue molar ratio was estimated to be 1:4.7 by a colorimetric method. CA-Plur of which the CA residue to Plur m...

journal_title：Pharmaceutical development and technology

authors： Zhang H,Kim JC

更新日期：2016-01-01 00:00:00

abstract：:The purpose of this study was to improve the sensitivity and accuracy of quantitative analysis of polymorphic mixtures. Various techniques such as hand grinding and mixing (in mortar and pestle), air jet milling and ball milling for micronization of particle and mixing were used to prepare binary mixtures. Using these...

journal_title：Pharmaceutical development and technology

authors： Alam S,Patel S,Bansal AK

更新日期：2010-09-01 00:00:00

abstract：:The physical stability of amorphous solid dispersions (SDs) is influenced by their storage conditions. The goal of this work was to investigate the factors affecting the recrystallization of drugs in SDs after storage under conditions of high temperature and high humidity. SDs of three drugs (dipyridamole, nifedipine ...

journal_title：Pharmaceutical development and technology

authors： Shibata Y,Fujii M,Suzuki A,Koizumi N,Kanada K,Yamada M,Watanabe Y

更新日期：2014-06-01 00:00:00

abstract：:This paper assesses the cause of particulate formation in vials of the experimental antitumor agent bisnafide and investigates pharmaceutical techniques to reduce the number of particulates in the product. Solution preparation and particulate isolation were performed under Class 100 laminar air flow. Reversed-phase HP...

journal_title：Pharmaceutical development and technology

authors： Rubino JT,Chan LL,Walker JT,Segretario J,Everlof JG,Hussain MA

更新日期：1999-08-01 00:00:00

abstract：:The effect of six factors: spray gun, formulation, inlet temperature, atomizing air pressure, fan air pressure, and gun-bed distance, on the final adhesion of the film coat to the tablet core were assessed. The method used was based on an experimental design, Resolution IV, that allowed the main effects to be free fro...

journal_title：Pharmaceutical development and technology

authors： Khan H,Fell JT,Macleod GS

更新日期：2005-01-01 00:00:00

abstract：:This work aimed to incorporate Dexibuprofen (DXI), the pharmacologically active and more potent form of ibuprofen, into polymeric micelles based tablets with enhanced oral bioavailability. Thin film hydration technique was employed to prepare DXI polymeric micelles using Pluronic® F127 and/or P123 solutions in differe...

journal_title：Pharmaceutical development and technology

authors： Abdelbary G,Makhlouf A

更新日期：2014-09-01 00:00:00

abstract：:Seven potential impurities, including by-products, starting materials and intermediates were identified in pharmaceutical substance quetiapine fumarate and characterized by spectroscopic methods (MS, IR, NMR). Based on these methods the structures of the impurities were assigned or confirmed as: impurity I: 2-(phenylt...

journal_title：Pharmaceutical development and technology

authors： Stolarczyk EU,Kaczmarek L,Eksanow K,Kubiszewski M,Glice M,Kutner A

更新日期：2009-01-01 00:00:00

abstract：:The objectives of this research were to evaluate the stability of lercanidipine in solution state and solid state and explore the compatibility of drug with oils, surfactants and cosurfactants as excipients. The effect of pH on the degradation in solution state was studied through pH-rate profile of lercanidipine in c...

journal_title：Pharmaceutical development and technology

authors： Parmar N,Amin S,Singla N,Kohli K

更新日期：2012-11-01 00:00:00

abstract：:The objective of this study was to develop a floating, pulsatile, multiparticulate drug delivery system intended for chronopharmacotherapy of arthritis. The floating pulsatile drug delivery has the advantage that a drug can be released in the upper gastrointestinal tract after a definite time period of no drug release...

journal_title：Pharmaceutical development and technology

authors： Gaikwad M,Belgamwar VS,Tekade A,Gattani S,Surana S

更新日期：2010-03-01 00:00:00

abstract：:The purpose of this work was to prepare and characterize Angiopep-2 functionalized ginsenoside-Rg3 loaded nanoparticles (ANG-Rg3-NP) and evaluate the therapeutic effect on C6 glioma cells. Nanoparticles were prepared by the emulsion solvent evaporation method. Angiopep-2 was functionalized to nanoparticles via a malei...

journal_title：Pharmaceutical development and technology

authors： Su X,Zhang D,Zhang H,Zhao K,Hou W

更新日期：2020-03-01 00:00:00