Drug-polymer mixed coating: a new approach for controlling drug release rates in pellets.

abstract：PURPOSE:To evaluate four novel metrics that compare dissolution profiles and assess their performance characteristics by comparing dissolution profiles of FAST and SLOW immediate release metoprolol tartrate tablets. METHODS:The four novel metrics (rho, rho m, delta a, and delta s), along with f2, were applied to disso...

journal_title：Pharmaceutical development and technology

authors： Seo PR,Shah VP,Polli JE

更新日期：2002-05-01 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：PURPOSE:To investigate the influence of the pH of the dissolution medium on immediate release 850 mg metformin hydrochloride tablets. METHODS:A traditional wet granulation method was used to manufacture metformin hydrochloride tablets with or without a disintegrant. Tablet dissolution was conducted using the USP appar...

journal_title：Pharmaceutical development and technology

authors： Desai D,Wong B,Huang Y,Tang D,Hemenway J,Paruchuri S,Guo H,Hsieh D,Timmins P

更新日期：2015-01-01 00:00:00

abstract：:In pediatrics, it is crucial to ameliorate the unpleasant taste of oral pharmaceutical formulations in order to facilitate patient compliance. Scientists' attempt to develop modern products for children is included among the new trends in pharmaceutical technology. Designing the preparation procedures and selecting th...

journal_title：Pharmaceutical development and technology

authors： Karaiskou SG,Kouskoura MG,Markopoulou CK

更新日期：2020-01-01 00:00:00

abstract：:The aim of this study was to prepare electrospun polyvinylpyrrolidone (PVP)/2-hydroxypropyl-β-cyclodextrin (HPβCD) nanofiber mats and to incorporate plai oil (Zingiber Cassumunar Roxb.). The plai oil with 10, 20 and 30% wt to polymer were incorporated in the PVP/HPβCD solution and electrospun to obtain nanofibers. The...

journal_title：Pharmaceutical development and technology

authors： Tonglairoum P,Chuchote T,Ngawhirunpat T,Rojanarata T,Opanasopit P

更新日期：2014-06-01 00:00:00

abstract：:Several processing and shipping stresses were investigated for their effect on the physical stability of recombinant human growth hormone (rhGH). These included exposure to air/water interfaces, adsorption to hydrophobic surfaces, freeze-thaw cycles, and temperature. The interfacially and thermally denatured hormone w...

journal_title：Pharmaceutical development and technology

authors： Katakam M,Banga AK

更新日期：1997-05-01 00:00:00

abstract：:The objective of the present investigation was to formulate and evaluate orodispersible tablets (ODTs) of ondansetron HCl possessing sufficient mechanical strength by wet granulation or direct compression method. A combination of glycine and chitosan was employed for providing a sweet tasting disintegrating system. Th...

journal_title：Pharmaceutical development and technology

authors： Goel H,Vora N,Tiwary AK,Rana V

更新日期：2009-01-01 00:00:00

abstract：:The aim of this study was to investigate the effects of solid carriers and processing routes on the properties of amorphous solid dispersions of itraconazole. Three solid carriers with a range of surface properties were studied, (1) a mesoporous silicate, magnesium aluminum silicate (Neusilin US2), (2) a nonporous sil...

journal_title：Pharmaceutical development and technology

authors： Grobelny P,Kazakevich I,Zhang D,Bogner R

更新日期：2015-01-01 00:00:00

abstract：:This study investigates the physicochemical properties of glycyl-histidyl-lysine-copper (GHK-Cu) to support the development of a formulation for effective topical delivery. The solubility and distribution coefficients (log D) were investigated using conventional methods and GHK concentrations were quantified with a va...

journal_title：Pharmaceutical development and technology

authors： Badenhorst T,Svirskis D,Wu Z

更新日期：2016-03-01 00:00:00

abstract：:This paper proposes the development of a drug product Manufacturing Classification System (MCS) based on processing route. It summarizes conclusions from a dedicated APS conference and subsequent discussion within APS focus groups and the MCS working party. The MCS is intended as a tool for pharmaceutical scientists t...

journal_title：Pharmaceutical development and technology

authors： Leane M,Pitt K,Reynolds G,Manufacturing Classification System (MCS) Working Group.

更新日期：2015-01-01 00:00:00

abstract：:The purpose of this paper is to reject or to confirm the hypothesis that the influence of the water addition rate on the size and size distribution of pellets is caused by insufficient spreading of the added water at higher water addition rates. To overcome insufficient spreading of the added water, the agitation in t...

journal_title：Pharmaceutical development and technology

authors： Vertommen J,Jaucot B,Rombaut P,Kinget R

更新日期：1996-12-01 00:00:00

abstract：:The oral administration route is considered to be the most widely used route because of its convenience of administration and manufacturing. Dosage forms, like orally disintegrating tablets (ODTs), mini tablets, and orally disintegrating mini tablets (ODMTs), are recognized as promising for use in pediatric patients. ...

journal_title：Pharmaceutical development and technology

authors： Comoglu T,Dilek Ozyilmaz E

更新日期：2019-09-01 00:00:00

abstract：:The dry coating process was evaluated in terms of storage stability investigating drug release and agglomeration tendency of the different coated oral dosage forms; hydroxypropyl methylcellulose acetate succinate (HPMCAS) was used with triethylcitrate (TEC) as plasticizer and acetylated monoglyceride (Myvacet) as wett...

journal_title：Pharmaceutical development and technology

authors： Kablitz CD,Urbanetz NA

更新日期：2009-01-01 00:00:00

abstract：:The object of this study was to enhance the solubility, dissolution rate, and oral bioavailability of rutin by complexation with 2-hydroxypropyl-beta-cyclodextrin (HP-beta-CyD). The interaction of rutin with cyclodextrins (CyDs) was evaluated by the solubility, and ultraviolet (UV) and circular dichroism (CD) spectrop...

journal_title：Pharmaceutical development and technology

authors： Miyake K,Arima H,Hirayama F,Yamamoto M,Horikawa T,Sumiyoshi H,Noda S,Uekama K

更新日期：2000-01-01 00:00:00

abstract：:Objective: A polymer-based nanoparticle was constructed to target sorafenib delivery to colorectal carcinoma cells and decrease the side effects of the drug.Methods: Sorafenib-loaded nanoparticles (S-NPs) based on PEG-PLGA were prepared using a double emulsion solvent evaporation method. The properties of S-NPs were e...

journal_title：Pharmaceutical development and technology

authors： Li N,Chen Y,Sun H,Huang T,Chen T,Jiang Y,Yang Q,Yan X,Wu M

更新日期：2020-06-01 00:00:00

abstract：:The use of rice bran (RB), soybean (SB) or sunflower seed (SF) oils to prepare lipid-core nanocapsules (LNCs) as controlled drug delivery systems was investigated. LNCs were prepared by interfacial deposition using the preformed polymer method. All formulations showed negative zeta potential and adequate nanotechnolog...

journal_title：Pharmaceutical development and technology

authors： Rigo LA,Frescura V,Fiel L,Coradini K,Ourique AF,Emanuelli T,Quatrin A,Tedesco S,Silva CB,Guterres SS,Pohlmann AR,Beck RC

更新日期：2014-11-01 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：:The biopharmaceutical assessment of new drug candidates based on their chemical structure is important in drug discovery and development. The scope of this study is to focus on lipophilic drugs and to clarify the role of their chemical predictors on oral bioavailability in humans. First their chemical properties were ...

journal_title：Pharmaceutical development and technology

authors： Kuentz MT,Arnold Y

更新日期：2009-01-01 00:00:00

abstract：:An osmotic-controlled pulsatile delivery technology was developed for targeted drug delivery. This novel system consists of a tablet core surrounded by an osmotic coating that has been mechanically compromised in strategic locations to facilitate reliable drug release at a given time point after administration. The ta...

journal_title：Pharmaceutical development and technology

authors： Rahemba TR,Bell S,Connolly EK,Waterman KC

更新日期：2009-01-01 00:00:00

abstract：:The binding mechanism of tablets prepared by single-step granulation/tabletting (SSGT), a novel technique for the production of tablets, was evaluated. SSGT yielded hard tablets having a short disintegration time due to their porous, spongelike internal structure. Calculation of the interaction factor and electrical c...

journal_title：Pharmaceutical development and technology

authors： Vermeire A,Keleb EI,Kiekens F,Van Driessche I,Hoste S,Remon JP,Vervaet C

更新日期：2005-01-01 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：:Quality by design (QbD) is an essential part of the modern approach to pharmaceutical quality. This study was conducted in the framework of a QbD project involving ramipril tablets. Preliminary work included identification of the critical quality attributes (CQAs) and critical process parameters (CPPs) based on the qu...

journal_title：Pharmaceutical development and technology

authors： Aksu B,Paradkar A,de Matas M,Özer Ö,Güneri T,York P

更新日期：2013-02-01 00:00:00

abstract：PURPOSE:The purpose of this study is to investigate the mechanisms and thermodynamics of the interaction between hydroxypropyl beta-cyclodextrin (HPdetaCD) and [D-Trp6, des-Gly10] LHRH ethylamide (deslorelin), a peptide drug. METHODS:We used UV and fluorescence spectroscopy to study the interaction of HPbetaCD and des...

journal_title：Pharmaceutical development and technology

authors： Koushik KN,Bandi N,Kompella UB

更新日期：2001-11-01 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：:We have proposed a theory indicating the correlation between the dissolution rate and the heat of solution of drug substances. The initial dissolution rates of the drug substances containing amorphous were predicted accurately from their heats of solution. In this report, the possibility for the theory to estimate the...

journal_title：Pharmaceutical development and technology

authors： Yoshihashi Y,Yonemochi E,Terada K

更新日期：2002-01-01 00:00:00

abstract：:Aluminum hydroxide adjuvant was pretreated with six concentrations of potassium dihydrogen phosphate to produce a series of adjuvants with various degrees of phosphate substitution for surface hydroxyl. The adsorption of three phosphorylated proteins (alpha casein, dephosphorylated alpha casein, and ovalbumin) by the ...

journal_title：Pharmaceutical development and technology

authors： Iyer S,HogenEsch H,Hem SL

更新日期：2003-01-01 00:00:00

abstract：:Fixed dose combination (FDC) products are common in the treatment of hypertension, diabetes, human immunodeficiency virus, and tuberculosis. They make it possible to combine two or more drug molecules with different modes of pharmacological actions in a single dosing unit and optimize the treatment. From a patient per...

journal_title：Pharmaceutical development and technology

authors： Desai D,Wang J,Wen H,Li X,Timmins P

更新日期：2013-11-01 00:00:00

abstract：:Nucleic acids therapeutic efficiency is generally limited by their low stability and intracellular bioavailability, and by the toxicity of the carriers used to deliver them to the target sites. Aminated poly(glycerol methacrylate) polymers are biodegradable and pH-sensitive polymers that have been used previously to d...

journal_title：Pharmaceutical development and technology

authors： Morsi NG,Ali SM,Elsonbaty SS,Afifi AA,Hamad MA,Gao H,Elsabahy M

更新日期：2018-04-01 00:00:00

abstract：:The formulation of betamethasone-17-valerate (BV) into topical medicines presents a significant challenge for the formulation chemist. The substance is susceptible to acid and base catalyzed isomerization in aqueous environments, which results in valerate transesterification from carbon 17 to carbon 21 of the steroid ...

journal_title：Pharmaceutical development and technology

authors： Byrne J,Wyraz A,Velasco-Torrijos T,Reinhardt R

更新日期：2017-06-01 00:00:00