Background: The human body is a complex and interconnected system where trillions of microorganisms, collectively known as the gut microbiota, coexist with these cells. Besides maintaining digestive health, this relationship also impacts well-being, including immune function, metabolism, and mental health. As frontline healthcare providers, pharmacists are pivotal in promoting the benefits of probiotics for immune support.
View Article and Find Full Text PDFBackground: Candesartan cilexetil (CC) is a selective angiotensin II receptor antagonist widely used to treat hypertension. CC is a substrate of P-glycoprotein (P-gp), causing its efflux to the intestinal lumen. It is also practically insoluble in water and has low oral bioavailability (14%).
View Article and Find Full Text PDFAim: Formulation of Pomegranate Extracts (PE)-loaded sphingosomes as an antitumor therapy for the intravenous and passive targeted delivery to various tumor types, especially that of the breast, colon, and uterus; to increase the therapeutic activity and decrease the adverse effects profile.
Methods: The pericarp and seeds' juice of Punica granatum were each extracted using D.W.
Clindamycin phosphate (CLP) is a broad-spectrum antibiotic that is used widely for different types of infections. It has a short half-life and hence it should be taken every six hours to ensure adequate antibiotic blood concentration. On the other hand, microsponges are extremely porous polymeric microspheres, offering the prolonged controlled release of the drug.
View Article and Find Full Text PDFMicroparticulate drug delivery system (MDDS) has attained much consideration in the modern era due to its effectiveness in overcoming traditional treatment problems. Microparticles (MPs) are spherical particles of a diameter ranging from 10 μm to 1000 μm. MPs can encapsulate both water-soluble and insoluble compounds.
View Article and Find Full Text PDFBackground: Transfersomes can be used to enhance transdermal drug delivery due to their flexibility and ability to incorporate various molecules. For example, hydrocortisone (HC), a corticosteroid, is taken by different routes and serves as immunosuppressive, anticancer, and antiallergenic; however, it is poorly absorbed by the skin.
Objective: Therefore, the current study suggested HC-loaded transfersomes as an alternative route of administration for reaching deeper skin layers or systemic circulation, to reduce the side effects of HC and improve its bioavailability.
Background: Gastroretentive drug delivery systems (GRDDSs) are designed to release the drug in the stomach over a prolonged time; thus, they can reduce drug dosing frequency and dose size and improve patient compliance. GRDDSs are also highly effective in enhancing the bioavailability of the drug that exhibits window absorption in specific segments of the gastrointestinal (GI) tract. Famotidine (FMT), an H2 receptor antagonist, is an example of these drugs.
View Article and Find Full Text PDFCelecoxib (CXB) is a COX-2-selective nonsteroidal anti-inflammatory drug used to control pain and various inflammatory conditions. CXB has limited oral bioavailability and a slow dissociation rate due to its poor water solubility. In order to enhance the oral bioavailability of CXB and reduce the frequency of administration, the present study was aimed at enhancing the aqueous solubility of CXB by a cosolvency technique and then at formulating and evaluating a CXB floating gelling system for sustained oral delivery.
View Article and Find Full Text PDFAAPS PharmSciTech
November 2017
The objective of this study is to develop an oral formulation of famotidine niosomes coated with a mucoadhesive polymer, chitosan. Famotidine (FMT) has low oral bioavailability of 40-45% and short half-life between 2.5 to 4 h.
View Article and Find Full Text PDFPentoxifylline (PTX) is a xanthine derivative indicated in treatment of intermittent claudication and chronic occlusive arterial diseases. It has low oral bioavailability and short half-life; thus, it was considered as a good candidate drug for the transdermal transfersomes formulation. In the present study, an attempt has been made for development, in-vitro and in-vivo evaluation of transdermal transfersomes using sodium cholate (SC) and non-ionic surfactants as edge activators.
View Article and Find Full Text PDFObjectives: This study aimed to develop and evaluate chitosan (CTS) solid dispersion particulate matrix (SDPM) for sustained oral delivery of ketorolac tromethamine (KT).
Methods: SDPM formulations were prepared by freeze drying method and characterized for their effectiveness and biological activities via in vitro and in vivo assessment.
Key Findings: Powder's flowability and bioadhesion of SDPM increased compared to KT-CTS physical mixtures and the raw materials.
The purpose of this study was to investigate the effect of combined Ca(2+) cross-linking and freeze-thawing cycle method on metronidazole (model drug) drug release and prepare a wound film dressing with improved swelling property. The hydrogel films were prepared with sodium alginate (SA) using the freeze-thawing method alone or in combination with ionotropic gelation with CaCl2. The gel properties such as morphology, swelling, film thickness, and content uniformity and in vitro dissolution profiles using Franz diffusion cell were investigated.
View Article and Find Full Text PDFThe aim of the present study was to develop and characterize coated chitosan-alginate beads containing cefaclor as a controlled release delivery system. Coated cefaclor beads were prepared by solvent evaporation techniques. Beads were found to be intact and spherical in shape.
View Article and Find Full Text PDFFungal keratitis is a serious corneal disease that may result in loss of vision. There are limited treatment options available in Iraqi eye hospitals which might be the main reason behind the poor prognosis of many cases. The purpose of this study was to prepare and pharmaceutically evaluate clotrimazole-β-cyclodextrin (CTZ-β-CD) eyedrops then clinically assess its therapeutic efficacy on fungal keratitis compared with extemporaneous amphotericin B eyedrops (0.
View Article and Find Full Text PDFThe objective of the study was to develop a suitable trans-dermal delivery system for propranolol hydrochloride (PPL) via employing chitosan as a film former. Drug concentration uniformity, thickness, moisture uptake capacity and skin bioadhesion of the films were characterized. The effects of chitosan and PPL concentration and different penetration enhancers on the release and permeation profiles from the films were investigated.
View Article and Find Full Text PDFIt has now been known for over a decade that low frequency ultrasound can be used to effectively enhance transdermal drug penetration - an approach termed sonophoresis. Mechanistically, acoustic cavitation results in the creation of defects in the stratum corneum that allow accelerated absorption of topically applied molecules. The aim of this study was to develop an optimised sonophoresis protocol for studying transdermal drug delivery in vitro.
View Article and Find Full Text PDFThe aim of the study was to develop a Meloxicam (ME) transdermal gel formulations based on complexation with β-cyclodextrin. ME β-Cyclodextrin gel formulations were prepared using four different gel bases with different concentrations and different permeation enhancers. The developed formulations were examined for their in vitro characteristics and their diffusion through a mouse skin.
View Article and Find Full Text PDFUnlabelled: Inappropriate prescribing reduces the quality of medical care and leads to a waste of resources. No study has been reported concerning rational drug use in United Arab Emirates, UAE, recently.
Objectives: assessing patterns of use and defining problems regarding the rational drug use.