Development and evaluation of mathematical model to predict disintegration time of fast disintegrating tablets using powder characteristics.

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：: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：:In recent years, drug delivery systems such as liposomes and microparticles have been used in clinic for the treatment of different diseases and from a regulatory point of view, a parenterally applied drug and drug delivery systems must be sterile and pyrogen free. Radiation sterilization is a method recognized by pha...

journal_title：Pharmaceutical development and technology

authors： Sakar F,Özer AY,Erdogan S,Ekizoglu M,Kart D,Özalp M,Colak S,Zencir Y

更新日期：2017-09-01 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：:The purpose of this research was to prepare various injectable, protein (cytochrome c)-loaded biodegradable poly(lactide-co-glycolide) (PLGA) devices by a novel microencapsulation method and to compare their characteristics. Syringeable mixtures of polymer and protein solidified upon injection when coming in contact w...

journal_title：Pharmaceutical development and technology

authors： Jain RA,Rhodes CT,Railkar AM,Malick AW,Shah NH

更新日期：2000-01-01 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

abstract：:The purpose of this study was to investigate the effect of the composition of a binary powder mixture on the bonding index, the brittle fracture index, and the strain index, as defined by Hiestand. The studies involved tensile strength and dynamic indentation hardness determinations of square compacts, the solid fract...

journal_title：Pharmaceutical development and technology

authors： Majuru S,Wurster DE

更新日期：1997-11-01 00:00:00

abstract：:The hygroscopicity of Brequinar sodium, an organ transplant immunosuppressant, at 75% relative humidity highly depends on the crystal form or crystallinity of the drug substance. Hygroscopicity and ease of water uptake of three lots of Brequinar sodium were investigated. Those lots contained different impurities at le...

journal_title：Pharmaceutical development and technology

authors： Wu LS,Pang J,Hussain MA

更新日期：1996-04-01 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：CONTEXT AND OBJECTIVE:The objective of the study was to develop a stable capsule formulation of ziprasidone hydrochloride which can be administered without regards to food intake. MATERIALS AND METHODS:The unstable anhydrous form of ziprasidone hydrochloride was stabilized employing hot-melt extrusion and further opti...

journal_title：Pharmaceutical development and technology

authors： Banerjee S,Shankar KR,Prasad Y R

更新日期：2016-11-01 00:00:00

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：:In this study, the degradation of Octastatin, a cyclic octapeptide analog of somatostatin, was examined as a function of pH, temperature, buffer, and ionic strength by reversed-phase gradient high-performance liquid chromatography. Degradation of Octastatin followed a first-order kinetics. Various buffer species such ...

journal_title：Pharmaceutical development and technology

authors： Jang SW,Woo BH,Lee JT,Moon SC,Lee KC,DeLuca PP

更新日期：1997-11-01 00:00:00

abstract：:In the current study, the influence of chitosan on the dissolution rate and bioavailability of acyclovir has been illustrated through the preparation of co-crystals by simple solvent change method. Chitosan was precipitated on acyclovir crystals using sodium citrate as the salting out agent. The pure drug and the prep...

journal_title：Pharmaceutical development and technology

authors： Allam AN,Naggar VF,El Gamal SS

更新日期：2013-07-01 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：:An anomalous peak was observed in the HPLC/UV analysis of a developmental drug product. High resolution LC/MS revealed that the mass of this degradant was 12 Da greater than the drug substance, corresponding to a net gain of a single carbon atom. The degradant was reproduced by incubating the drug substance with forma...

journal_title：Pharmaceutical development and technology

authors： Zhong Q,Stowers S,Segraves NL,Ngim KK,Zhang K,Bostick T,Deese A,Chetwyn NP

更新日期：2013-07-01 00:00:00

abstract：:In this study, we designed a polymersome system for the controlled release of methotrexate (MTX) as an anticancer drug with the objective of improving the loading efficiency of the drug in polymersomes as well as achievement of an efficient control on the release rate of drug from nanocarriers. We synthesized mono met...

journal_title：Pharmaceutical development and technology

authors： Nosrati H,Adinehvand R,Manjili HK,Rostamizadeh K,Danafar H

更新日期：2019-01-01 00:00:00

abstract：:Mucosa has now been recognized as a potential site for both local and systemic delivery of therapeutics. Mucoadhesive drug delivery systems with customizable release profiles have recently gained considerable interest among formulation scientists to improve clinical outcomes of drugs. This review summarizes the curren...

journal_title：Pharmaceutical development and technology

authors： Kumar A,Naik PK,Pradhan D,Ghosh G,Rath G

更新日期：2020-09-01 00:00:00

abstract：:The instability of protein and antigen(s) during encapsulation in biodegradable polymers by water-in-oil-in-water (w/o/w) encapsulation is well established. The aim of present study is to screen various additives to prevent the inactivation and loss of immunogenicity of HBsAg upon its exposure to the water/CH(2)Cl(2) ...

journal_title：Pharmaceutical development and technology

authors： Tomar P,Giri N,Karwasara VS,Pandey RS,Dixit VK

更新日期：2012-07-01 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：:The purpose of this study was to develop a benchtop apparatus to simulate the scale-up of the moist-heat sterilization process of sodium carboxymethylcellulose (CMC) gel and identify critical process parameters that affect the sterilized gel viscosity. A 600-ml benchtop Parr reactor was modified and used to achieve go...

journal_title：Pharmaceutical development and technology

authors： Chu PI,Doyle D

更新日期：1999-01-01 00:00:00

abstract：:The main purpose of this work was to study the albendazole-cyclodextrins complexation equilibrium and to propose a suitable excipient to improve the solubility behavior and dissolution rate of albendazole. The complexation of albendazole with four cyclodextrins, alpha-CD, beta-CD, gamma-CD, and hydroxypropylated (HP)-...

journal_title：Pharmaceutical development and technology

authors： Díaz D,Bernad Bernad MJ,Gracia Mora J,Escobar Llanos CM

更新日期：1998-08-01 00:00:00

abstract：:The aim of this study was to prepare a highly porous multiparticulate dosage form containing cilostazol for gastroretentive drug delivery. The floating pellets were prepared with glyceryl behenate as a matrix former and camphor as a sublimating agent by extrusion/spheronization and sublimation under vacuum. Granules p...

journal_title：Pharmaceutical development and technology

authors： Hwang KM,Byun W,Cho CH,Park ES

更新日期：2018-06-01 00:00:00

abstract：:ABSTRCT Felodipine has been widely used as a poorly water-soluble model drug for various studies to improve its oral bioavailability and in vivo efficacy. In this study, we developed amorphous solid dispersions (ASDs) via spray drying to enhance the bioavailability of felodipine through using natural zein protein as a...

journal_title：Pharmaceutical development and technology

authors： Zhang H,Liu X,Ma X

更新日期：2020-12-01 00:00:00

abstract：:Dual drug nanocrystals loaded nano embedded microparticles (DNEMs) were prepared for fixed dose combination of simvastatin (SIM) and ezetimibe (EZE) using NanoCrySP technology. The purpose was to generate nanonized SIM and EZE dispersed in matrix of single crystallization inducing excipient and investigate their in vi...

journal_title：Pharmaceutical development and technology

authors： Nandi S,Kaur A,Bansal AK

更新日期：2020-01-01 00:00:00

abstract：:Two polymorphs and three solvates of fluconazole were isolated and characterized by x-ray powder diffractometry, IR spectroscopy, differential scanning calorimetry (DSC), thermogravimetry, and their dissolution rates. The different forms were prepared by crystallization of the original powder in different solvents at ...

journal_title：Pharmaceutical development and technology

authors： Alkhamis KA,Obaidat AA,Nuseirat AF

更新日期：2002-11-01 00:00:00

abstract：:A colchicine release system utilizing biodegradable poly(phosphazenes) was investigated in vitro for intra-articular administration. Polymer degradation and drug release studies were performed on colchicine-loaded poly(phosphazenes) containing either imidazolyl (I-PPHOS) or ethyl glycinato (EG-PPHOS) side chain substi...

journal_title：Pharmaceutical development and technology

authors： Ibim SM,el-Amin SF,Goad ME,Ambrosio AM,Allcock HR,Laurencin CT

更新日期：1998-02-01 00:00:00

abstract：:The purpose of this work was to investigate the effect that changes in design and process variables had on the movement of particles around a fluidized bed coating apparatus. To measure the mean and variance of the particle cycle time distribution (CTD), the number of passages taken by a magnetic tracer particle throu...

journal_title：Pharmaceutical development and technology

authors： Cheng XX,Turton R

更新日期：2000-01-01 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：:Transdermal drug administration has a number of advantages that cannot be leveraged for therapeutic benefits because of the robust barrier provided by the stratum corneum. One of the promising techniques for circumventing the stratum corneum is sonophoresis - the use of ultrasound for facilitating transdermal drug del...

journal_title：Pharmaceutical development and technology

authors： Ita K

更新日期：2017-06-01 00:00:00

abstract：:Novel buccal adhesive system (NBAS) containing Nimodipine (N) was prepared and evaluated by different parameters such as weight uniformity, thickness, hardness, surface pH, swelling index, mucoadhesive strength (MS), in vitro drug release and ex vivo drug permeation. Different formulations containing 5-20% Carbopol 93...

journal_title：Pharmaceutical development and technology

authors： Hassan N,Ali M,Ali J

更新日期：2010-03-01 00:00:00