Sustained ocular drug delivery from a temperature and pH triggered novel in situ gel system.

abstract：:Sustained release (SR) matrix tablets of dextromethorphan hydrobromide were prepared by wet granulation using hydroxypropyl methyl cellulose (HPMC-K-100 CR) as the hydrophilic rate controlling polymer. The effect of the concentration of the polymer and different fillers on the in vitro drug release rate was studied. T...

journal_title：Drug delivery

authors： Meyyanathan SN,Rajan S,Muralidaharan S,Siddaiah MK,Krishnaraj K,Suresh B

更新日期：2008-09-01 00:00:00

abstract：CONTEXT:Humic acid (HA), a natural organic matter is recently being investigated for pharmaceutical purposes. Andrographolide (AGP), a potent hepatoprotective, possesses low aqueous solubility which results in a low bioavailability after oral administration, inappropriate tissue localization and consequently poor thera...

journal_title：Drug delivery

authors： Thingale AD,Shaikh KS,Channekar PR,Galgatte UC,Chaudhari PD,Bothiraja C

更新日期：2015-01-01 00:00:00

abstract：OBJECTIVE:In the present study, Curcumin (CU)-loaded nanocarrier (NC) such as nanoemulsion (NE) was developed with the objective of increasing its cytotoxicity and bioavailability through lymphatic transport by enhancing its solubility and intestinal permeability. MATERIALS AND METHODS:Based on the area obtained in ps...

journal_title：Drug delivery

authors： Kumar A,Ahuja A,Ali J,Baboota S

更新日期：2016-01-01 00:00:00

abstract：:At present, the chemotherapy of advanced inoperable liver cancer is limited with serious side effects. Curcumin possesses multiple cancer preventive activities and low safety concerns. However, its poor solubility and instability in water pose significant pharmacological barriers to its clinical application. In this s...

journal_title：Drug delivery

authors： Chang M,Wu M,Li H

更新日期：2018-11-01 00:00:00

abstract：:Hydroxy genkwanin (HGK), a flavonoid compound from natural resources, showed good inhibition against the growth of breast tumor cells. However, the poor solubility restricted the further study and the in vivo drug delivery of HGK. We prepared HGK nanosuspensions by antisolvent precipitation method and investigated the...

journal_title：Drug delivery

authors： Ao H,Li Y,Li H,Wang Y,Han M,Guo Y,Shi R,Yue F,Wang X

更新日期：2020-12-01 00:00:00

abstract：:The ophthalmic drug delivery is a challenge in the clinical treatment of ocular diseases. The traditional drug administration usually shows apparent limitations, such as the low bioavailability from the reason of low penetration of the cornea and the short survival time of drug in the eyes. To overcome these shortcomi...

journal_title：Drug delivery

authors： Li C,Chen R,Xu M,Qiao J,Yan L,Guo XD

更新日期：2018-11-01 00:00:00

abstract：:The aim of this study was to evaluate the effects of therapeutic pulsed ultrasound with gold nanoparticles on oxidative stress parameters after traumatic muscle injury in Wistar rats. The animals were randomly divided into nine groups (n = 6 each): sham (uninjured muscle); muscle injury without treatment; muscle injur...

journal_title：Drug delivery

authors： Silveira PC,Victor EG,Notoya Fde S,Scheffer Dda L,Silva Ld,Cantú RB,Martínez VH,de Pinho RA,Paula MM

更新日期：2016-01-01 00:00:00

abstract：:Over the years, research has focused on strategies to increase benefit/risk ratio of corticoids. However, vehicles intended for topical glucocorticoids delivery with an improved benefit/risk ratio are still on demand. The aim of this work was the in vitro and in vivo characterization of cold processed oil-in-water (o/...

journal_title：Drug delivery

authors： Raposo S,Tavares R,Gonçalves L,Simões S,Urbano M,Ribeiro HM

更新日期：2015-01-01 00:00:00

abstract：:DNA vaccination is a promising approach for inducing both humoral and cellular immune responses. The mode of plasmid DNA delivery is critical to make progress in DNA vaccination. Using human papillomavirus type 16 E7 as a model antigen, this study evaluated the effect of peptide-polymer hybrid including PEI600-Tat con...

journal_title：Drug delivery

authors： Bolhassani A,Ghasemi N,Servis C,Taghikhani M,Rafati S

更新日期：2009-05-01 00:00:00

abstract：:The combined chemotherapy and photodynamic therapy have significant advantages for cancer treatments, which have higher therapeutic effects compared with other medicines. Herein, we focused on the synthesis of carbon quantum dot (CQD) based nanocarrier system. CQD and 5-aminolevulinic acid (5-ALA) were conjugated with...

journal_title：Drug delivery

authors： Li X,Vinothini K,Ramesh T,Rajan M,Ramu A

更新日期：2020-12-01 00:00:00

abstract：:Atorvastatin (AT) is a widely used lipid-regulating drug to reduce cholesterol and triglycerides. Its poor aqueous solubility and hepatic metabolism require development of drug delivery systems able to improve its solubility and bypass hepatic effect. For this purpose, atorvastatin nanostructured lipid carriers (AT-NL...

journal_title：Drug delivery

authors： Elmowafy M,Ibrahim HM,Ahmed MA,Shalaby K,Salama A,Hefesha H

更新日期：2017-11-01 00:00:00

abstract：CONTEXT:Artemether and lumefantrine combination therapy is well-accepted for uncomplicated malaria treatment. However, the current available formulation has several pharmacokinetic mismatches such as drug degradation in gastrointestinal tract, erratic absorption, etc. Hence, need of the hour is the injectable formulati...

journal_title：Drug delivery

authors： Parashar D,Aditya NP,Murthy RS

更新日期：2016-01-01 00:00:00

abstract：:Raloxifene (RLX) is a second-generation selective estrogen receptor modulator used to treat osteoporosis in postmenopausal women. RLX fails to be developed into injectable dosage forms due to poor solubility. Although oral formulations are clinically available, the lower bioavailability (<2%) embarrasses the pharmaceu...

journal_title：Drug delivery

authors： Du X,Gao N,Song X

更新日期：2021-12-01 00:00:00

abstract：:Three formulations including methylene blue solution (MB-S), MB water-in-oil microemulsion (MB-ME), and MB multiple microemulsion (MB-MME) were prepared with the aim to evaluate whether the three formulations can carry MB target to regional lymph nodes and show lymphatic tropism after subcutaneous administration. The ...

journal_title：Drug delivery

authors： Wang S,Yang R,Yao H,Zhou G,Zhang Y,Yang B,Ng L,Yan M

更新日期：2009-10-01 00:00:00

abstract：:In present study, two types of micelles based on sodium cholate (NaC) were prepared through non-covalent bonding interaction and the potential of micelles as oral drug delivery systems for paclitaxel (PTX) was evaluated. Pluronic-chitosan (F127-CS) and Pluronic-poly (acrylic acid) (F127-PAA) copolymers were synthesize...

journal_title：Drug delivery

authors： Ge Y,Zhao Y,Li L

更新日期：2016-09-01 00:00:00

abstract：:Although convection-enhanced delivery (CED) can successfully facilitate a bypass of the blood brain barrier, its treatment efficacy remains highly limited in clinic. This can be partially attributed to the brain anisotropic characteristics that lead to the difficulties in controlling the drug spatial distribution. Her...

journal_title：Drug delivery

authors： Zhan W,Rodriguez Y Baena F,Dini D

更新日期：2019-12-01 00:00:00

abstract：:The distinct hormone molecules and receptors, such as follicle-stimulating hormone receptor (FSHR) in ovarian cancer, provide opportunities for more precisely targeted therapy. We previously developed FSHR-mediated nanoparticles and found that FSH peptides on the surface of nanoparticles improved the delivery of short...

journal_title：Drug delivery

authors： Hong SS,Zhang MX,Zhang M,Yu Y,Chen J,Zhang XY,Xu CJ

更新日期：2018-11-01 00:00:00

abstract：:The main purpose of this work was to develop and evaluate a self-emulsifying drug delivery system (SEDDS) of piperine to enhance its solubility and bioavailability. The formulation was optimized by solubility test and ternary phase diagrams. Then physiochemical properties and in vitro release of SEDDS were characteriz...

journal_title：Drug delivery

authors： Shao B,Cui C,Ji H,Tang J,Wang Z,Liu H,Qin M,Li X,Wu L

更新日期：2015-01-01 00:00:00

abstract：:Subcutaneous liraglutide-loaded multivesicular liposomes (Lrg-MVLs) were developed as a sustained drug-delivery system for treating diabetes and their properties were characterized. The Lrg-MVLs prepared using a two-step water-in-oil-in-water double emulsification process had a spherical appearance with a mean diamete...

journal_title：Drug delivery

authors： Zhang L,Ding L,Tang C,Li Y,Yang L

更新日期：2016-11-01 00:00:00

abstract：:To prolong the circulation time of drug, PEGylation has been widely used via the enhanced permeability and retention (EPR) effect, thereby providing new hope for better treatment. However, PEGylation also brings the "PEG dilemma", which is difficult for the cellular absorption of drugs and subsequent endosomal escape....

journal_title：Drug delivery

authors： Fang Y,Xue J,Gao S,Lu A,Yang D,Jiang H,He Y,Shi K

更新日期：2017-12-01 00:00:00

abstract：:The main aim of this work was to develop rectal suppositories for better delivery of metoprolol tartrate (MT). The various bases used were fatty, water soluble and emulsion bases. The physical properties of the prepared suppositories were characterized such as weight variation, hardness, disintegration time, melting r...

journal_title：Drug delivery

authors： Abou el Ela Ael S,Allam AA,Ibrahim EH

更新日期：2016-01-01 00:00:00

abstract：:In this paper, orally nanocrystal capsules were produced using nanocrystal formulations in order to optimize dissolution properties of poorly soluble drug glimepiride and improve its bioavailability. The important preparation variables, such as stabilizers, the power input and the time length of ultrasonication on the...

journal_title：Drug delivery

authors： Du B,Shen G,Wang D,Pang L,Chen Z,Liu Z

更新日期：2013-01-01 00:00:00

abstract：:This study focused on preparation and evaluation of a thermosensitive and mucoadhesive in situ gelling ophthalmic system of azithromycin (ATM). Poloxamer 407 (P407) and poloxamer 188 (P188) were used as gelling agents. Addition of Carbopol 974P (CP 974P) to the gelling systems could increase the solubility of ATM by s...

journal_title：Drug delivery

authors： Cao F,Zhang X,Ping Q

更新日期：2010-09-01 00:00:00

abstract：:Glaucocalyxin A (GLA) is a phytochemical component with multiple pharmacological activities; however, glaucocalyxin A's wider use has been restricted by its poor solubility. In this study, GLA nanosuspensions were prepared with precipitation-combined ultrasonication and were characterized by dynamic light scattering (...

journal_title：Drug delivery

authors： Han M,Li Z,Guo Y,Zhang J,Wang X

更新日期：2016-09-01 00:00:00

abstract：:Carboplatin is a potent anticancer agent that has shown efficacy in clinical trials against malignant glioma, one of the most deadly cancers in humans. However, a high systemic dose is required to achieve an effective concentration in the brain because of the presence of the blood-brain barrier (BBB). Such a high dose...

journal_title：Drug delivery

authors： Chen W,He J,Olson JJ,Lu DR

更新日期：1997-01-01 00:00:00

abstract：:Amphiphilic diblock copolymers composed of methoxy poly ethylene glycol (MePEG) and poly epsilon caprolactone (PCL) were synthesized for the formation of micelles by ring opening mechanism using stannous octoate as a catalyst. The effects of the molecular weight of MePEG and the copolymer ratio on the properties of mi...

journal_title：Drug delivery

authors： Mohanty AK,Dilnawaz F,Mohanty C,Sahoo SK

更新日期：2010-07-01 00:00:00

abstract：:Hydrogels based on poly(ethylene glycol)-diacrylate (PEG-DA) and 2-hydroxyethyl methacrylate (HEMA) were polymerized with cross-linking agent ethylene glycol diacrylate (EGDMA) under mild photoinitiating conditions. PEG-DA and HEMA concentrations of disks with 1 +/- 0.3 mm thickness were 30% and 50% w/w and 40% and 60...

journal_title：Drug delivery

authors： Ayhan F,Ozkan S

更新日期：2007-10-01 00:00:00

abstract：:To develop statistically optimized brain targeted Tween 80 coated chitosan nanoparticulate formulation for oral delivery of doxycycline hydrochloride for the treatment of psychosis and to evaluate its protective effect on ketamine induced behavioral, biochemical, neurochemical and histological alterations in mice. 32 ...

journal_title：Drug delivery

authors： Yadav M,Parle M,Sharma N,Dhingra S,Raina N,Jindal DK

更新日期：2017-11-01 00:00:00

abstract：:Bioadhesive sodium alginate microspheres of Metoprolol tartrate (MT) for intranasal systemic delivery were prepared to avoid the first-pass effect, as an alternative therapy to injection, and to obtain improved therapeutic efficacy in the treatment of hypertension and angina pectoris. The microspheres (Ms) were prepar...

journal_title：Drug delivery

authors： Rajinikanth PS,Sankar C,Mishra B

更新日期：2003-01-01 00:00:00

abstract：:Hydrogels are water swollen networks of polymers and especially hydrogels consisting of poly vinylpyrrolidone/poly ethyleneglycol-dimethacrylate (PVP/PEG-DMA) blends show promising wound care properties. Enhanced functionality of the hydrogels can be achieved by incorporating drugs and other substances that may assist...

journal_title：Drug delivery

authors： Nielsen AL,Madsen F,Larsen KL

更新日期：2009-02-01 00:00:00