Design and evaluation of ocular drug delivery system for controlled delivery of gatifloxacin sesquehydrate: In vitro and in vivo evaluation.

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：: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 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：:Ternary complexes of meloxicam (ML), a poorly water-soluble anti-inflammatory drug, with β-cyclodextrin (βCD) and polyethylene glycol (PEG) 6000 were prepared from an equimolar (ML-βCD) and 10% of PEG. Characterization of the ternary complex was carried out by differential scanning calorimetry and X-ray diffractometry...

journal_title：Pharmaceutical development and technology

authors： Radia O,Rogalska E,Moulay-Hassane G

更新日期：2012-09-01 00:00:00

abstract：:Preterm labor is the main cause of death and serious illness of both infants and pregnant women in Africa and worldwide. Parenteral and oral salbutamol sulfate as a B2 antagonist has been used for the treatment of preterm labor. The study aims are to formulate salbutamol sulfate non-invasive vaginal bioadhesive tablet...

journal_title：Pharmaceutical development and technology

authors： El-Enin ASMA,Elbakry AM,Hosary RE,Lotfy MAF

更新日期：2020-10-01 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：:Effects of various factors, such as light intensity, polarizability of n-alcohol solvents, addition of colorants, and viscosity of solutions on the kinetics of the photoisomerization of therapeutically effective E-isomer of sorivudine to its less effective Z-isomer were studied. Solutions of known concentrations of E-...

journal_title：Pharmaceutical development and technology

authors： Desai D,Li D,Janjikhel R,Lang B,Jain N

更新日期：2001-01-01 00:00:00

abstract：:Microporous polymeric matrices prepared from poly(ɛ-caprolactone) [PCL] were evaluated for controlled vaginal delivery of the antiprotozoal agent (tinidazole) in the treatment of the sexually transmitted infection, trichomoniasis. The matrices were produced by rapidly cooling co-solutions of PCL and tinidazole in acet...

journal_title：Pharmaceutical development and technology

authors： Fernando HV,Chan LL,Dang N,Santhanes D,Banneheke H,Nalliah S,Coombes AGA

更新日期：2019-03-01 00:00:00

abstract：:In this study, we developed a one-step method to prepare ibuprofen fast- and sustained-release complex preparation. It was based on a double jets electrospinning process. Ibuprofen, a poorly water-soluble drug, was electrospun into fibers with polyvinyl pyrrolidone and hydroxypropyl methyl cellulose by two jets, respe...

journal_title：Pharmaceutical development and technology

authors： Che X,Xue J,Zhang J,Yang X,Wang L

更新日期：2020-07-01 00:00:00

abstract：:Due to their light consistency and good spreadability, aqueous foams are considered as convenient and highly accepted drug carrier systems that are of great importance in the field of topical drug delivery. The production of a stable, easy to dose, preferably environmentally harmless foam formulation is challenging. T...

journal_title：Pharmaceutical development and technology

authors： Farkas D,Kállai-Szabó N,Sárádi-Kesztyűs Á,Lengyel M,Magramane S,Kiss É,Antal I

更新日期：2020-12-27 00:00:00

abstract：:The contact time of a vehicle on the cornea is of utmost importance for ophthalmic drug delivery. The poor bioavailability and therefore poor therapeutic response exhibited by the conventional ophthalmic solutions due to pre-corneal elimination of a drug may be overcome by the use of the in situ gel forming systems, w...

journal_title：Pharmaceutical development and technology

authors： Gupta S,Samanta MK

更新日期：2010-07-01 00:00:00

abstract：:The main objective of this study was to design positively charged Levofloxacin Hemihydrate (Levo-h)-loaded nanoparticles with improved entrapment efficiency and antibacterial activity. PLGA alone or in combinations with Eudragit® RLPO or RS30D with or without positively charged inducing agent; 1,2-dioleoyl-3-trimethyl...

journal_title：Pharmaceutical development and technology

authors： Hasan AA,Sabry SA,Abdallah MH,El-Damasy DA

更新日期：2016-09-01 00:00:00

abstract：:A carbopol 934P-based drug delivery system (AmDDS) was developed to achieve the dual-controlled delivery of Nonoxynol-9 (N-9), a spermicidal agent, and EDTA, a potentiator of spermicidal activity. This gel-type system made intimate contact with vaginal mucosa and maintained an effective drug concentration within the v...

journal_title：Pharmaceutical development and technology

authors： Lee CH,Chien YW

更新日期：1996-07-01 00:00:00

abstract：:Owing to its limited aqueous solubility, Phytomenadione (vitamin K) undergoes a low bioavailability (50%) with a large inter-individual variability after oral administration. Therefore, the aim of this work was to incorporate vitamin K into nanostructure lipid carrier systems to improve its aqueous solubility and bioa...

journal_title：Pharmaceutical development and technology

authors： Aljaeid BM,Hosny KM

更新日期：2018-04-01 00:00:00

abstract：:There is as yet no commercialized preparation for oral administration of flecainide acetate (FA) to children. In such cases, manipulation of commercial tablets is the usual practice in pharmacy services of hospitals and compounding pharmacies, to provide a suitable dosage form for this vulnerable pediatric population ...

journal_title：Pharmaceutical development and technology

authors： Santoveña A,Charola I,Suárez-González J,Teigell-Pérez N,García-van Nood S,Soriano M,Fariña JB

更新日期：2018-12-01 00:00:00

abstract：:Bupivacaine lipid microparticles were prepared and evaluated as a parenteral sustained-release dosage form for postoperative pain management. Bupivacaine free base was incorporated into a molten tristearin matrix and lipid micro-particles were subsequently formed from this molten mixture by a spray-congealing process....

journal_title：Pharmaceutical development and technology

authors： Li LC,Zhu L,Song JF,Deng JS,Bandopadhyay R,Wurster DE

更新日期：2005-01-01 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：:Background: Lymphatic formations that effectively eradicate the virus in the lymphatic system will be therapeutically advantagous in hepatitis B virus (HBV) infection. Lipid-based formulation is often used to deliver drug via the lymphatic system. Baicalin nanoemulsion may be a promising drug delivery system for impro...

journal_title：Pharmaceutical development and technology

authors： Xu Q,Zhou A,Wu H,Bi Y

更新日期：2019-11-01 00:00:00

abstract：:A novel analytical procedure has been developed for quantitative determination of levodopa and carbidopa in aqueous binary solutions acidified by HCl and without any other sample pretreatment. The method is based partially on least squares treatment of data obtained by attenuated total reflectance Fourier transform in...

journal_title：Pharmaceutical development and technology

authors： Khanmohammadi M,Mobedi E,Garmarudi AB,Mobedi H,Kargosha K

更新日期：2007-01-01 00:00:00

abstract：:In the current study, we demonstrate a structured approach to downstream process development for spray dried amorphous solid dispersions. Direct compression is generally not suitable due to typically poor flow of spray dried powders in tablets. Roller compaction (RC) is therefore the method of choice to enable spray d...

journal_title：Pharmaceutical development and technology

authors： Henriques J,Moreira J,Doktorovová S

更新日期：2021-01-04 00:00:00

abstract：:Drug release from hydroxypropyl methylcellulose (HPMC) hydrophilic matrix tablets is controlled by drug diffusion through the gel layer of the matrix-forming polymer upon hydration, matrix erosion or combination of diffusion and erosion mechanisms. In this study, the relationship between viscoelastic properties of the...

journal_title：Pharmaceutical development and technology

authors： Hamed R,Al Baraghthi T,Sunoqrot S

更新日期：2018-11-01 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：: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 first-line therapy for moderate to severe benign prostatic hyperplasia is the oral therapy by alfuzosin hydrochloride. Unfortunately, the oral therapy of alfuzosin is associated with several route-specific systemic side-effects. The current study was aimed to develop a prototype transdermal patch system for alfuzo...

journal_title：Pharmaceutical development and technology

authors： Nair AB,Vaka SR,Gupta S,Repka MA,Murthy SN

更新日期：2012-03-01 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：: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：:The objective of the present work is to investigate the presence or absence of a critical concentration of maize starch according to the percolation theory for a truly ternary system with respect to a minimum disintegration time. The results of this study show that the application of percolation theory is not limited ...

journal_title：Pharmaceutical development and technology

authors： Kimura G,Puchkov M,Betz G,Leuenberger H

更新日期：2007-01-01 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 purpose of this study was to develop a method to prepare Metoprolol Succinate (MS) sustained release pellets and compress them into pellet-containing tablets without losing sustained release property. The drug layered pellets were coated with Eudragit NE 30D to obtain a sustained release (SR) property. The mechani...

journal_title：Pharmaceutical development and technology

authors： Yang Z,Yu J,Yang T,Xing H,Zhang J,Xian L,Ding P,Wang D

更新日期：2016-12-01 00:00:00

abstract：:The objective of the present study was to coprocess 2 active pharmaceutical ingredients (APIs), nevirapine (NVP) and stavudine (STV), by spray drying technique to overcome the respective problems of poor solubility and poor content uniformity. The coprocessed product (NVP-STV CP) and untreated APIs were characterized ...

journal_title：Pharmaceutical development and technology

authors： Mohammed GA,Puri V,Bansal AK

更新日期：2008-01-01 00:00:00