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Excipients in drug delivery systems: A comprehensive review of approved inactive ingredients for human ophthalmic formulations.
Eur J Pharm Biopharm
January 2025
Inserm UMRS_1138, Team 1, Physiopathology of ocular diseases: Therapeutic Innovations at Centre de Recherche des Cordeliers, Paris, France, 75006; Ophthalmopole at Hôpital Cochin, Paris, France; Sorbonne Paris Cité, UMRS_1138, France. Electronic address:
Pharmaceutical excipients, commonly known as inactive ingredients, encompass any substance aside from the active ingredient that fulfills a distinct and vital role in a formulation. Their purpose is to enhance specific characteristics, whether associated with the performance of the formulation or aspects related to patient comfort, safety, and acceptability. Because of the limited toxicity studies provided, and the several allergic and toxic side effects that have been reported throughout the years, it is not trivial for the regulatory agencies to approve inactive ingredients for human use.
View Article and Find Full Text PDFEnhancing black mulberry storage with sodium caseinate and gum tragacanth edible films.
Sci Rep
January 2025
Department of Chemistry, Faculty of Science, Gonbad Kavous University, Gonbad Kavous, Iran.
A bright future lies ahead for the application of natural biocomposites in the food industry. In this research, edible biocomposite films were created using sodium caseinate (SC)-gum tragacanth (GT) and incorporating carum carvi seed essential oil (EO) as a nanoemulsion. Different ratios of oil were used as variables.
View Article and Find Full Text PDFPhase-separating Pt(IV)-graft-glycopeptides sequentially sensing pH and redox for deep tumor penetration and targeting chemotherapy.
J Control Release
January 2025
State Key Laboratory of Natural Medicines, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, China; NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China; Department of Pharmaceutics, School of Pharmacy, 639 Longmian Avenue, Nanjing 211198, China. Electronic address:
Active-targeting nanomedicines have been widely employed in cancer treatment for increasing therapeutic index. However, the limited permeability caused by the binding site barrier (BSB) and size hindrances compromises their clinical antitumor efficacy in patients. Herein, learning from the liquid-liquid phase separation (LLPS) of bio-macromolecules, we report phase-separating glycopeptides (HEP) from polyhistidine (PHis) grafted hyaluronic acid (HA), which can sense the tumor extracellular pH and concomitantly overcome size and BSB dilemmas for enhanced tumor penetration.
View Article and Find Full Text PDFMicroneedle-mediated intradermal delivery of Bacille Calmette-Guérin (BCG) vaccines for single-dose tuberculosis vaccination.
Tuberculosis (Edinb)
January 2025
Clinical Research Center, Masan National Tuberculosis Hospital, Changwon, 51755, Republic of Korea. Electronic address:
Tuberculosis (TB) remains a highly lethal infectious disease. The primary preventive measure is Bacille Calmette-Guérin (BCG), a live attenuated vaccine. However, the current intradermal vaccination method with 10-dose vials faces challenges such as inadequate infant injection, inaccurate dispensing, and unstable storage.
View Article and Find Full Text PDFDynamic Light Scattering Analysis of Lipid Nanoparticles: Effect of Salts on the Diffusion Interaction Parameter and Hydrodynamic Radius at Infinite Dilution.
Anal Chem
January 2025
School of Chemical Engineering, The University of Adelaide, North Terrace, Adelaide 5005, Australia.
The rise in the popularity of lipid nanoparticle (LNP)-based formulations necessitates the need for screening tools to quickly predict their colloidal stability in the presence of common excipients. Protein chemists have employed the diffusion interaction parameter () determined using dynamic light scattering as an indicator of formulation stability, yet this approach has not been applied to particulate systems. Herein, measurements of LNPs revealed behavior dissimilar to that of proteins.
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