Hybrid lipid core chitosan-TPGS shell nanocomposites as a promising integrated nanoplatform for enhanced oral delivery of sulpiride in depressive disorder therapy.

Sulpiride (SUL), a benzamide derivative, acts as a multitarget drug with extensive biological properties. However, being a P-glycoprotein efflux substrate with a limited oral bioavailability imposes a challenge to its clinical efficacy. The current research explores the impact of tailored hybrid lipid-polysaccharide nanocomposites in augmenting the biological performance of SUL.

Potential Privilege of Maltodextrin-α-Tocopherol Nano-Micelles in Seizing Tacrolimus Renal Toxicity, Managing Rheumatoid Arthritis and Accelerating Bone Regeneration.

Background: Tacrolimus (TAC) is a powerful immunosuppressive agent whose therapeutic applicability is confined owing to its systemic side effects.

Objective: Herein, we harnessed a natural polymer based bioconjugate composed of maltodextrin and α-tocopherol (MD-α-TOC) to encapsulate TAC as an attempt to overcome its biological limitations while enhancing its therapeutic anti-rheumatic efficacy.

Methods: The designed TAC loaded maltodextrin-α-tocopherol nano-micelles (TAC@MD-α-TOC) were assessed for their physical properties, safety, toxicological behavior, their ability to combat arthritis and assist bone/cartilage formation.

Precisely Fabricated Sulpiride-Loaded Nanolipospheres with Ameliorated Oral Bioavailability and Antidepressant Activity.

Background: Sulpiride (SUL), is a selective antidopaminergic drug that had extensive biological activities. However, its sparingly aqueous solubility and limited gastrointestinal permeability lead to scanty oral bioavailability which hinders its clinical efficacy.

Objective: SUL-loaded lipospheres (SUL-LPS) were designed to serve as an oral biocompatible nanovector for improving SUL permeability as well as conquering its low oral absorption and then in turn enhancing its antidepressant action.

Graphene oxide crosslinked-zein nanofibrous scaffolds for prominent Cu-adsorption as tissue regeneration promoters in diabetic rats: Nanofibers optimization and in vivo assessment.

Diabetic ulcers are prone to bacterial contamination and can severely affect patient's quality of life. This study is first report to explore copper-grafted graphene oxide-crosslinked zein scaffolds (Cu-GZS) for promoting cutaneous excision wounds healing as a promising therapeutic modality in diabetic male-rats. Cu-GZS scaffolds were fabricated using electrospinning technique, where GO was employed as an echo-friendly crosslinker to meliorate mechanical stability and swellability of scaffolds.

Selenium: A sole treatment for erosive oral lichen planus (Randomized controlled clinical trial).

Oral lichen planus (OLP) is a chronic disease with immune-mediated pathogenesis. Selenium (Se), an antioxidant, plays a role in modulating immunity. The aim of this clinical trial was to evaluate two Se forms (novel topical hydrogel and oral capsules), solely, in treating erosive OLP based on clinical evaluation and salivary oxidative stress markers.

α-Bisabolol-Loaded Cross-Linked Zein Nanofibrous 3D-Scaffolds For Accelerating Wound Healing And Tissue Regeneration In Rats.

Objectives: Novel α-bisabolol (BIS)-loaded citric acid cross-linked zein nanofibrous scaffolds (C-ZNFs) were proposed to serve as safe platforms for promoting wound repair in rats.

Methods: ZNFs were synthesized using electrospinning technique, then NFs, with adequate water resistance, were produced using citric acid as a safe cross-linker.

Results: Compared to the uncross-linked ZNFs, cross-linking with 7% w/w citric acid decreased swelling index by 3 folds, while the tensile strength and the contact angle were enhanced to 2.

The usefulness of Veno-Arterial Extracorporeal Membranous Oxygenation in Patients with Cardiogenic Shock.

Background: Venoarterial extracorporeal membranous oxygenation is a form of temporary mechanical circulatory support that gets as a salvage technique in patients with cardiogenic shock, we intended to evaluate the effect of (VA ECMO) support on hemodynamics and lactate levels in patients with cardiogenic shock.

Aim: The aim of our study is to detect the ability to introduce veno-arterial extracorporeal membranous oxygenation (VA ECMO) as a temporary extracorporeal life support system (ECLS) in our unit, demonstrate the role of ECMO in cardiogenic shock patients regarding improving hemodynamics and microcirculation, and demonstrate the complications and drawbacks in our first center experience regarding VA ECMO.

Material And Methods: This was a single-centre observational study that included 10 patients admitted with cardiogenic shock for which VA ECMO was used as mechanical circulatory support.

The anti-inflammatory effect of locally delivered nano-doxycycline gel in therapy of chronic periodontitis.

Background And Objective: To date, various drugs as host modulating agents had been suggested as adjunctive treatment modality in the therapy of chronic periodontal disease. In this study, the anti-inflammatory effect of subgingivally delivered nanostructured doxycycline gel (nDOX) was evaluated and compared to conventional doxycycline gel (DOX) used as adjunct to scaling and root planning (SRP) in the treatment of moderate chronic periodontitis to reduce probing pocket depth.

Material And Methods: Nanostructured doxycycline gel (nDOX) was prepared using spray-drying technique with chitosan (CH) as a matrix polymer, followed by dispersion in polyvinyl alcohol (PVA).

Hybrid polymeric matrices for oral modified release of Desvenlafaxine succinate tablets.

Desvenlafaxine succinate (DSV) is a water soluble anti-depressant drug, which is rapidly absorbed after oral administration exaggerating its side effects. The current work aimed to prepare controllable release DSV matrix to reduce DSV side effects related to its initial burst. Fifteen DSV matrix formulations were prepared using different polymers, polymer/drug ratios and matrix excipients and characterized using Differential Scanning Calorimetry (DSC), infrared (IR) spectroscopy, water uptake and DSV release.

Left ventricular scar impact on left ventricular synchronization parameters and outcomes of cardiac resynchronization therapy.

Background: Left ventricular scar, including global scar and lateral wall, plays an important role in predicting response to cardiac resynchronization therapy (CRT).

Materials And Methods: Thirty patients underwent CRT implantation. Assessment of left ventricular (LV) dyssynchrony was done through Gated SPECT LV phase analysis.

A Multi-layered Particulate System for Desvenlafaxine Succinate Oral Customized Release.

Background: With its reported side effects Desvenlafaxine succinate (DSV) is a good candidate to prepare prolonged release system. Such prolonged release could decrease the rapid DSV absorption after oral administration and reduce its exaggerated side effects.

Methods: A prolonged release Desvenlafaxine succinate (DSV) multilayered system was prepared by ionotropic gelation using sodium alginate (SA) and calcium chloride as a cross-linker.

Enhanced Periodontal Regeneration by Novel Single Application Sustained Release Nano-Structured Doxycycline Films.

The use of different drug classes as host modulating agents has been postulated to have significance as an adjunctive remedy curing chronic periodontitis. In this study nano-structured films containing doxycyclin (DOX) were evaluated for such purpose. Nano DOX/chitosan particulate system was prepared using spray drying technique and was then incorporated in PVA-based films.

Swellable floating tablet based on spray-dried casein nanoparticles: Near-infrared spectral characterization and floating matrix evaluation.

In this study, spray-dried alfuzosin hydrochloride (ALF)-loaded casein (CAS) nanoparticles were successfully used for the preparation of a swellable floating matrix via direct compression. The developed NIR calibration model was able to assess ALF and CAS levels in five different batches of drug-loaded nanoparticles. The calibration and prediction plots exhibited good linearity with correlation coefficients of more than 0.

Novel microstructured sildenafil dosage forms as wound healing promoters.

Purpose: Study the possible benefit of combining biodegradable polymers with sildenafil citrate (SC) in wound healing.

Method: Biodegradable micronized powdered formulations of SC were prepared by spray drying using chitosan (P₁) or chitosan/gum Arabic (P₂). Powders were characterized by differential scanning calorimetry, Scanning electron microscope, particle size analysis, flow and swelling behavior.

Ionically-crosslinked milk protein nanoparticles as flutamide carriers for effective anticancer activity in prostate cancer-bearing rats.

In this study, casein (CAS) nanoparticles were used to encapsulate the hydrophobic anticancer drug, flutamide (FLT), aiming at controlling its release, enhancing its anti-tumor activity, and reducing its hepatotoxicity. The nanoparticles were prepared by emulsification of CAS, at pH below its isoelectric point, and stabilized via ionic-crosslinking with sodium tripolyphosphate (TPP). The nanoparticles were spherical and positively charged with a size below 100 nm and exhibited a sustained drug release up to 4 days.

Micellar delivery of flutamide via milk protein nanovehicles enhances its anti-tumor efficacy in androgen-dependent prostate cancer rat model.

Purpose: This article describes the preparation, physicochemical characterization and in vivo assessment of parenteral colloidal formulation of flutamide (FLT) based on biocompatible casein (CAS) self-assembled micelles in order to control drug release, enhance its antitumor efficacy and reduce its hepatotoxicity.

Methods: Spray-drying technique was successfully utilized to obtain solidified redispersible drug-loaded micelles.

Results: Spherical core-shell micelles were obtained with a particle size below 100 nm and a negative zeta potential above -30 mV exhibiting a sustained drug release up to 5 days.

Novel ionically crosslinked casein nanoparticles for flutamide delivery: formulation, characterization, and in vivo pharmacokinetics.

A novel particulate delivery matrix based on ionically crosslinked casein (CAS) nanoparticles was developed for controlled release of the poorly soluble anticancer drug flutamide (FLT). Nanoparticles were fabricated via oil-in-water emulsification then stabilized by ionic crosslinking of the positively charged CAS molecules below their isoelectric point, with the polyanionic crosslinker sodium tripolyphosphate. With the optimal preparation conditions, the drug loading and incorporation efficiency achieved were 8.

Spray-dried casein-based micelles as a vehicle for solubilization and controlled delivery of flutamide: formulation, characterization, and in vivo pharmacokinetics.

Novel casein (CAS)-based micelles loaded with the poorly soluble anti-cancer drug, flutamide (FLT), were successfully developed in a powdered form via spray-drying technique. Genipin (GNP) was used to crosslink CAS micelles as demonstrated by color variation of the micelles. Drug solubilization was enhanced by incorporation within the hydrophobic micellar core which was confirmed by solubility study and UV spectra.

Novel spray-dried genipin-crosslinked casein nanoparticles for prolonged release of alfuzosin hydrochloride.

Purpose: To propose a simple method for the development of genipin-crosslinked casein micelles as a new delivery platform for prolonged release of alfuzosin hydrochloride.

Methods: Crosslinked casein micelles entrapping alfuzosin were transformed into solid redispersible nanoparticles via spray-drying technique with no need for drying adjuvants based on the stabilizing effect of casein.

Results: The nanoparticles displayed high production yields (86.

Protein-based nanocarriers as promising drug and gene delivery systems.

Among the available potential colloidal drug carrier systems, protein-based nanocarriers are particularly interesting. Meeting requirements such as low cytotoxicity, abundant renewable sources, high drug binding capacity and significant uptake into the targeted cells, protein-based nanocarriers represent promising candidates for efficient drug and gene delivery. Moreover, the unique protein structure offers the possibility of site-specific drug conjugation and targeting using various ligands modifying the surface of protein nanocarriers.

Biopolymeric nifedipine powder for acceleration of wound healing.

Nine biodegradable polymeric powders of chitosan; with or without gelatin; containing nifedipine (NF), were prepared via spray drying for acceleration of wound healing. The angle of repose of powders ranged from 30° to 40° for F(3) and chitosan/gelatin (C(2)), respectively. Upon spray drying, the mean particle size (PS) of chitosan was greatly reduced from 294 to 3.

Albumin-based nanoparticles as potential controlled release drug delivery systems.

Albumin, a versatile protein carrier for drug delivery, has been shown to be nontoxic, non-immunogenic, biocompatible and biodegradable. Therefore, it is ideal material to fabricate nanoparticles for drug delivery. Albumin nanoparticles have gained considerable attention owing to their high binding capacity of various drugs and being well tolerated without any serious side-effects.

Evaluation of the mechanical properties and drug release of cross-linked Eudragit films containing metronidazole.

The mechanical properties of casted Eudragit E-100 films were tested for the combined effect of two cohesion promoters (succinic or citric acid) and triacetin as a plasticizer. The prepared films were elastic, self-adhesive, transparent and pale yellow in colour. Films containing either of the tested cohesion promoters showed a significant reduction in both tensile strength and Young's modulus on increasing triacetin and/or cohesion promoter concentration.