In vitro permeability enhancement in intestinal epithelial cells (Caco-2) monolayer of water soluble quaternary ammonium chitosan derivatives.

abstract：:Colorectal cancer is a global concern, and its treatment is fraught with non-selective effects including adverse side effects requiring hospital visits and palliative care. A relatively safe drug formulated in a bioavailability enhancing and targeting delivery platform will be of significance. Metformin-loaded solid l...

journal_title：AAPS PharmSciTech

authors： Ngwuluka NC,Kotak DJ,Devarajan PV

更新日期：2017-02-01 00:00:00

abstract：:Vemurafenib is a poorly soluble, low permeability drug that has a demonstrated need for a solubility-enhanced formulation. However, conventional approaches for amorphous solid dispersion production are challenging due to the physiochemical properties of the compound. A suitable and novel method for creating an amorpho...

journal_title：AAPS PharmSciTech

authors： Ellenberger DJ,Miller DA,Kucera SU,Williams RO 3rd

更新日期：2018-07-01 00:00:00

abstract：:This paper reports for the first time the possible formation of a novel room temperature therapeutic deep eutectic solvent (THEDES) of risperidone (RIS) with some fatty acids, namely capric acid (C10; CA), lauric acid (C12; LA), and myristic acid (C14; MA). All mixtures of RIS and MA yielded a solid or pasty-like soli...

journal_title：AAPS PharmSciTech

authors： Al-Akayleh F,Adwan S,Khanfar M,Idkaidek N,Al-Remawi M

更新日期：2020-11-22 00:00:00

abstract：:An extract of Zingiber cassumunar Roxb. (ZC) was encapsulated in niosomes of which a topical gel was formed. (E)-4-(3',4'-dimethoxyphenyl)but-3-en-1-ol or compound D detected by a gradient HPLC was employed as the marker and its degradation determined to follow zero-order kinetics. Niosomes significantly retarded ther...

journal_title：AAPS PharmSciTech

authors： Priprem A,Janpim K,Nualkaew S,Mahakunakorn P

更新日期：2016-06-01 00:00:00

abstract：:The aim of this work was to assess the effect of formulation parameters of a mucoadhesive vaginal gel based on chitosan and lactic acid, and to highlight its release mechanisms. Two molecular weight chitosans were used to prepare gels with 2 lactic acid concentrations. Both chitosan molecular weight and lactic acid co...

journal_title：AAPS PharmSciTech

authors： Bonferoni MC,Giunchedi P,Scalia S,Rossi S,Sandri G,Caramella C

更新日期：2006-01-01 00:00:00

abstract：:The addition of polysorbate 20 (T20) is required to achieve "sink" conditions during a dissolution test for tablets with candesartan cilexetil (CC). Polysorbate 20 (0.35%-0.7% w/w) added to 0.05 mol/L of phosphate buffer pH 6.5 dramatically increased the apparent solubility of the drug from 0.8 μg/ml even to 353 μg/ml...

journal_title：AAPS PharmSciTech

authors： Hoppe K,Sznitowska M

更新日期：2014-10-01 00:00:00

abstract：:The objective of the study was to investigate in vitro transdermal delivery of venlafaxine hydrochloride across the pigskin by passive diffusion and iontophoresis. For passive diffusion, experiments were carried out in Franz diffusion cell whereas for iontophoretic permeation, the diffusion cell was modified to contai...

journal_title：AAPS PharmSciTech

authors： Singh G,Ghosh B,Kaushalkumar D,Somsekhar V

更新日期：2008-01-01 00:00:00

abstract：:Risedronate sodium (RS) is a potent inhibitor of bone resorption, having an extreme poor permeability and limited oral bioavailability (0.62%). RS should be orally administered under fasting conditions while keeping in an upright posture for at least 30 min to diminish common gastroesophageal injuries. To surmount suc...

journal_title：AAPS PharmSciTech

authors： Elkady OA,Tadros MI,El-Laithy HM

更新日期：2019-12-05 00:00:00

abstract：:Ferulic acid is contained in some Chinese herbal medicines such as Ligusticum chuanxiong or Angelica sinensis. Studies have focused on the treatment of inflammatory diseases and pain using ferulic acid. However, little is known about its pharmacokinetics after transdermal administration. The present research investiga...

journal_title：AAPS PharmSciTech

authors： Yan N,Tang Z,Xu Y,Li X,Wang Q

更新日期：2020-06-08 00:00:00

abstract：:A transmission near infrared (NIR) spectroscopic method has been developed for the nondestructive determination of drug content in tablets with less than 1% weight of active ingredient per weight of formulation (m/m) drug content. Tablets were manufactured with drug concentrations of approximately 0.5%, 0.7%, and 1.0%...

journal_title：AAPS PharmSciTech

authors： Meza CP,Santos MA,Romañach RJ

更新日期：2006-03-24 00:00:00

abstract：:The second author's name was incorrectly published as "Niha F. Younes". The correct name is "Nihal Farid Younes" as shown above in the list of authors. ...

journal_title：AAPS PharmSciTech

authors： El Assasy AEI,Younes NF,Makhlouf AIA

更新日期：2019-02-25 00:00:00

abstract：:The purpose of this research was to use our previously validated dynamic injection apparatus as a rapid method for screening pH-adjusted formulations of a new vancomycin analog, Van-An, for their potential to precipitate upon dilution. In 1 vial, Van-An was reconstituted according to the manufacturer's instructions. I...

journal_title：AAPS PharmSciTech

authors： Johnson JL,Yalkowsky SH

更新日期：2006-03-01 00:00:00

abstract：:Tomographic measurement techniques offer the opportunity to quantify the degree of homogeneity of particulate suspensions and other multiphase mixtures. Electrical resistance tomography is a relatively simple and inexpensive technique for measuring the distribution of electrical conductivity within multiphase systems....

journal_title：AAPS PharmSciTech

authors： Bolton GT,Primrose KM

更新日期：2005-09-30 00:00:00

abstract：:Palatability and patient acceptability are critical attributes of dispersible tablet formulation. Co-processed excipients could provide improved organoleptic profile due to rational choice of excipients and manufacturing techniques. The aim of this study was to identify the most suitable co-processed excipient to use ...

journal_title：AAPS PharmSciTech

authors： Dziemidowicz K,Lopez FL,Bowles BJ,Edwards AJ,Ernest TB,Orlu M,Tuleu C

更新日期：2018-08-01 00:00:00

abstract：:Droplet velocity is an important parameter that can be used to characterize nasal spray products. In this study, a phase-Doppler anemometry (PDA) system was used to measure the droplet velocities of nasal sprays. A survey of seven commercial nasal spray products showed a range of droplet velocities from 6.7 to 19.2 m/...

journal_title：AAPS PharmSciTech

authors： Liu X,Doub WH,Guo C

更新日期：2011-03-01 00:00:00

abstract：:The purpose of this article is to report final results of the evaluation of a chi-square ratio test proposed by the US Food and Drug Administration (FDA) for demonstrating equivalence of aerodynamic particle size distribution (APSD) profiles of nasal and orally inhaled drug products. A working group of the Product Qua...

journal_title：AAPS PharmSciTech

authors： Christopher D,Adams W,Amann A,Bertha C,Byron PR,Doub W,Dunbar C,Hauck W,Lyapustina S,Mitchell J,Morgan B,Nichols S,Pan Z,Singh GJ,Tougas T,Tsong Y,Wolff R,Wyka B

更新日期：2007-11-02 00:00:00

abstract：:Pluronic F127 (PF-127) shows thermoreversible property, which is of the utmost interest in optimizing drug formulation and delivery. However, its hitherto unresolved drawback of a low phase transition temperature (T (tr)) has limited its application in injectable drug delivery systems. We have ...

journal_title：AAPS PharmSciTech

authors： Ma Y,Zhang C,Chen X,Jiang H,Pan S,Easteal AJ,Sun X

更新日期：2012-06-01 00:00:00

abstract：:In this study, we investigated the in vitro characteristics of mefenamic acid (MA) microparticles as well as their effects on DNA damage. MA-loaded chitosan and alginate beads were prepared by the ionotropic gelation process. Microsponges containing MA and Eudragit RS 100 were prepared by quasi-emulsion solvent diffus...

journal_title：AAPS PharmSciTech

authors： Sevgi F,Yurdasiper A,Kaynarsoy B,Turunç E,Güneri T,Yalçin A

更新日期：2009-01-01 00:00:00

abstract：:This study investigated the effects of some essential oils on Limantria dispar (Lepidoptera: Lymantridae, gypsy moth) larvae, one of the most serious pests of cork oak forests. The essential oils were first formulated as oil in water (o/w) emulsions and used in laboratory bioassays to assess their lethal concentration...

journal_title：AAPS PharmSciTech

authors： Moretti MD,Sanna-Passino G,Demontis S,Bazzoni E

更新日期：2002-01-01 00:00:00

abstract：:A near-infrared (NIR) spectroscopic method to determine content uniformity of a large, thick tablet using an approach that could facilitate future validations has been developed. A CT ibuprofen 800-mg tablet weighs about 1150 mg and is about 18.6 mm wide and 7.6 mm thick. The FT NIR spectrometer was optimized for tran...

journal_title：AAPS PharmSciTech

authors： Ramirez JL,Bellamy MK,Romañac RJ

更新日期：2001-07-12 00:00:00

abstract：:Chitosan microspheres as drug delivery system have attained importance and attracted the attention of researchers in last few years. This study was aimed toward the elucidation of the effect of viscosity of external oil phase on the properties of microspheres prepared by emulsification method. Chitosan microspheres we...

journal_title：AAPS PharmSciTech

authors： Khare P,Jain SK

更新日期：2009-01-01 00:00:00

abstract：:Successful pellet production has been reported in literature with cross-linked poly(vinylpyrrolidone), Polyplasdone® XL-10 and INF-10. In the present study, a quality by experimental design approach was used to assess several formulation and process parameter effects on the characteristics of Polyplasdone® XL-10 pelle...

journal_title：AAPS PharmSciTech

authors： Saripella KK,Loka NC,Mallipeddi R,Rane AM,Neau SH

更新日期：2016-04-01 00:00:00

abstract：:The reliable in-line monitoring of pharmaceutical processes has been regarded as a key tool toward the full implementation of process analytical technology. In this study, near-infrared (NIR) spectroscopy was examined for use as an in-line monitoring method of the paracetamol cooling crystallization process. The drug ...

journal_title：AAPS PharmSciTech

authors： Wang IC,Lee MJ,Seo DY,Lee HE,Choi Y,Kim WS,Kim CS,Jeong MY,Choi GJ

更新日期：2011-06-01 00:00:00

abstract：:Pharmaceutical aerosols have been targeted to the lungs for the treatment of asthma and pulmonary infectious diseases successfully. Micafungin (Astellas Pharma US, Deerfield, IL, USA) has been shown to be an effective antifungal agent when administrated intravenously. Pulmonary delivery of micafungin has not previousl...

journal_title：AAPS PharmSciTech

authors： Shi S,Ashley ES,Alexander BD,Hickey AJ

更新日期：2009-01-01 00:00:00

abstract：:Two different types of derivatives of theophylline (Th-H) incorporating ethyleneoxy groups into the promoiety have been synthesized. One is a soft alkyl type where N-methyl-N-methoxyethyleneoxycarbonylaminomethyl chlorides have been used to alkylate Th-H in the 7 position. The other is in an acyl type where methoxyeth...

journal_title：AAPS PharmSciTech

authors： Majumdar S,Mueller-Spaeth M,Sloan KB

更新日期：2012-09-01 00:00:00

abstract：:Lipid-based drug carriers are likely to have influence on bioavailability through enhanced solubilization of the drug in the gastrointestinal tract. The study was designed to investigate the lipid formulation digestibility in the simulated gastro intestinal media. Fenofibrate was formulated in representative Type II, ...

journal_title：AAPS PharmSciTech

authors： Mohsin K

更新日期：2012-06-01 00:00:00

abstract：:Establishing bioequivalence (BE) of drugs indicated to treat cancer poses special challenges. For ethical reasons, often, the studies need to be conducted in cancer patients rather than in healthy volunteers, especially when the drug is cytotoxic. The Biopharmaceutics Classification System (BCS) introduced by Amidon (...

journal_title：AAPS PharmSciTech

authors： Tampal N,Mandula H,Zhang H,Li BV,Nguyen H,Conner DP

更新日期：2015-02-01 00:00:00

abstract：:The aim of the study is to examine thermal behavior of water within reticulated structure of bacterial cellulose (BC) films by sub-ambient differential scanning calorimetry (DSC). BC films with different carbon source, either manitol (BC (a)) or glycerol (BC (b)), were produced by Acetobacter xylinum using Hestrin and...

journal_title：AAPS PharmSciTech

authors： Kaewnopparat S,Sansernluk K,Faroongsarng D

更新日期：2008-01-01 00:00:00

abstract：:The current investigation aimed at formulating self-microemulsifying drug delivery system (SMEDDS) to ameliorate oral bioavailability of a hydrophobic functional ingredient, limonene. Solubility test, compatibility test, and pseudo-ternary phase diagrams (PTPD) were adopted to screen the optimal compositions of limone...

journal_title：AAPS PharmSciTech

authors： Zhu Y,Xu W,Zhang J,Liao Y,Firempong CK,Adu-Frimpong M,Deng W,Zhang H,Yu J,Xu X

更新日期：2019-03-26 00:00:00

abstract：:Griseofulvin, an antifungal agent, is a BCS class II drug slowly, erratically, and incompletely absorbed from the gastrointestinal tract in humans. The clinical failure of the conventional oral therapy of griseofulvin is most likely attributed to its poor solubility and appreciable inter- and intra-subject variation i...

journal_title：AAPS PharmSciTech

authors： Aggarwal N,Goindi S,Mehta SD

更新日期：2012-03-01 00:00:00