A61K9/5161

STABLE NON-AQUEOUS COMPOSITIONS OF FUNCTIONAL INGREDIENTS AND METHODS OF MAKING THE SAME
20230079480 · 2023-03-16 ·

Provided is a non-aqueous suspension, comprising: a first plurality of active ingredients, wherein: the first plurality of active ingredients are soluble in the non-aqueous suspension; and one or more nanoparticles, wherein: the one or more nanoparticles encapsulate a second plurality of active ingredients; the second plurality of active ingredients are insoluble in the non-aqueous suspension; the one or more nanoparticles solubilize the second plurality of active ingredients in the non-aqueous suspension; the one or more nanoparticles have a Z-average diameter between 50 to 950 nanometers; the Z-average diameter of the one or more nanoparticles changes less than 20% when the non-aqueous suspension is incubated at 40° C. for four weeks; and the Z-average diameter of the one or more nanoparticles changes less than 20% when the non-aqueous suspension is incubated at 90° C. for 30 minutes.

MODIFIED ALGINATES FOR CELL ENCAPSULATION AND CELL THERAPY

Covalently modified alginate polymers, possessing enhanced biocompatibility and tailored physiochemical properties, as well as methods of making and use thereof, are disclosed herein. The covalently modified alginates are useful as a matrix for the encapsulation and transplantation of cells. Also disclosed are high throughput methods for the characterizing the biocompatibility and physiochemical properties of modified alginate polymers.

Stealth, targeted nanoparticles (STN) for oral drug delivery
11471422 · 2022-10-18 ·

The present invention relates to a technology for oral delivery of Poorly Bio-Available Therapeutic Agents and the formulations derived using this technology. Poorly Bio-Available Therapeutic Agents may belong to BCS class III/IV drugs or nutraceutical or any other agent which is required to be orally delivered having challenge of bio-availability in body. Therefore, invention further relates to a targeted delivery technology for enhanced bio-availability and controlled release without being degraded. The present invention further relates to the processes for the preparation of said compositions and formulations made thereof. The formulations of the present invention are useful to treat related conditions.

Chitosan-pluronic complex and nano-carrier comprising same

The present invention relates to a transdermal nano-carrier and, more specifically, to a nano-carrier having a chitosan-based nano-sponge structure. According to the present invention, as a nano-carrier having enhanced transdermal delivery on the basis of a complex containing chitosan is provided, it is possible to effectively deliver drugs, cosmetic materials, etc. into the skin.

Nanostructured formulations for the delivery of silibinin and other active ingredients for treating ocular diseases

Formulations are described, containing silibinin or other active ingredients incorporated in lipid nanoparticle systems of the SLN and NLC type, and based on calixarenes, possibly mucoadhesive, or in micellar and nanoparticle systems based on amphiphilic inulin copolymers for use in the treatment of neurodegenerative ocular diseases. The versatility of the calixarene compound is also described, capable of charging and releasing active ingredients characterized by low water solubility, easy chemical and enzymatic degradation, low bioavailability, either of natural origin or not, to be used in the treatment of ocular diseases.

Particles for delivery of proteins and peptides

The present application provides a method of making a particle comprising (i) obtaining a first solution comprising a negatively charged polysaccharide; (ii) obtaining a second solution comprising a positively charged polysaccharide; and (iii) mixing the first solution and the second solution to obtain a suspension comprising the particle. The present application also provides a method of making a therapeutic particle, comprising: (i) obtaining a solution comprising a therapeutic protein; (ii) obtaining a first suspension comprising the particle comprising a negatively charged polysaccharide and a positively charged polysaccharide, and (iii) mixing the solution of the therapeutic protein and the first suspension to obtain a second suspension comprising the therapeutic particle. The present application also provides particles (e.g., therapeutic particles) prepared by any one of the disclosed methods, as well as the compositions comprising such particles, and methods of treating a disease or condition using such particles and compositions.

Cleavable esters for nanocarrier-based cancer therapy

A co-drug according to Formula (I) or Formula (II) is provided,
R—X—NH—CO—CO—OR.sup.1  (I)
R—X—CO—O—CH.sub.2—CO—OR.sup.1  (II)
wherein R is a tocol moiety, a tocol analog moiety, or a capsaicinoid moiety; X is a direct bond or a linking group; and OR.sup.1 is the residue of an anticancer or antirestenotic agent bearing at least one hydroxyl group by which the CO—OR.sup.1 ester linkage is formed. Nanoparticles that include the abovementioned co-drug are also provided, as well as a method of treating a cancer patient that includes administering an effective amount of the co-drug or nanoparticles.

Chlorogenic acid-containing composition for nasal administration

An anti-tumor composition for nasal administration has chlorogenic acid as an active ingredient, with the addition of pharmaceutically acceptable excipients or auxiliary ingredients. The chlorogenic acid preparation can improve the bioavailability of chlorogenic acid for nasal administration, penetrate the blood-brain barrier, have a significant inhibitory effect on brain tumors and nasopharyngeal carcinoma, and possess a clinical application value.

Biocompatible material

Provided is a biocompatible material capable of forming a gel having excellent retention and scratch resistance. The biocompatible material according to the embodiment of the present invention includes an alginate having a weight-average molecular weight of 1 million or more, an aluminum compound, a carboxyvinyl polymer, and an oil-based base material. However, the biocompatible material is substantially free of water.

AMPHIPHILIC ALGINATE-OLEIC ACID MACROMOLECULES AND PROCESS FOR PREPARATION THEREOF
20230122200 · 2023-04-20 · ·

The present invention provides a new type of hydrophobically -modified sodium alginate, which is synthesized by alginate and oleic acid linked with a spacer. The AGO macromolecule as obtained therefrom is amphiphilic and has clinically-accessible molecular size, and anti- cancer activity. The AGO nanoparticle formed therefrom shows excellent structural stability, colloidal stability, and biocompatibility in-vitro and in-vivo, and is expected to be useful in biomedical area, for example, used as a drug delivery system.