A61K47/59

Methods and systems for polymer precipitation and generation of particles
11464871 · 2022-10-11 · ·

Processes for precipitating polymers from a polymer-containing solution are disclosed.

TEMPERATURE-RESPONSIVE DRUG/POLYMER COMPOUND AND APPLICATION OF COMPOUND TO DRUG DELIVERY

A drug-polymer conjugate having thermoresponsiveness includes at least one drug conjugated to at least one end portion of at least one thermoresponsive polymer segment having a lower critical solution temperature. The drug-polymer conjugate is capable of forming a micellular aggregate in an aqueous medium at temperatures equal to or above the lower critical solution temperature. The drug-polymer conjugate or the micellular aggregate thereof may be administered to and absorbed in the lungs.

POLYETHYLENE GLYCOL CONJUGATE DRUG, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

The disclosure relates to the technical field of medicine, specifically to a polyethylene glycol conjugated drug, a preparation method therefor and use thereof, and relates in particular to a polyethylene glycol conjugated drug represented by formula (I) or a pharmaceutically acceptable salt thereof. The disclosure further relates to a method for preparation of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof, and use of the polyethylene glycol conjugated drug or a pharmaceutically acceptable salt thereof in preparation of a medicament.

##STR00001##

POLY(BETA-AMINO ESTER)-CO-POLYETHYLENE GLYCOL (PEG-PBAE-PEG) POLYMERS FOR GENE AND DRUG DELIVERY
20230107757 · 2023-04-06 ·

Polyethylene glycol (PEG)-b-poly(β-amino ester) (PBAE) co-polymers (PEG-PBAE) and blends of PEG-PBAEs and PBAEs and their use for delivering drugs, genes, and other pharmaceutical or therapeutic agents safely and effectively to different sites in the body and to different cells, such as cancer cells, are disclosed.

POLY(BETA-AMINO ESTER)-CO-POLYETHYLENE GLYCOL (PEG-PBAE-PEG) POLYMERS FOR GENE AND DRUG DELIVERY
20230107757 · 2023-04-06 ·

Polyethylene glycol (PEG)-b-poly(β-amino ester) (PBAE) co-polymers (PEG-PBAE) and blends of PEG-PBAEs and PBAEs and their use for delivering drugs, genes, and other pharmaceutical or therapeutic agents safely and effectively to different sites in the body and to different cells, such as cancer cells, are disclosed.

EDIBLE PLANT-DERIVED MICROVESICLE COMPOSITIONS FOR DELIVERY OF miRNA AND METHODS FOR TREATMENT OF CANCER

Microvesicle compositions and methods of use thereof are provided. The microvesicle composition includes a miRNA encapsulated by a microvesicle, wherein the microvesicle is derived from an edible plant. The method of use thereof includes treating a cancer in a subject by administering to the subject an effective amount of a microvesicle composition.

EDIBLE PLANT-DERIVED MICROVESICLE COMPOSITIONS FOR DELIVERY OF miRNA AND METHODS FOR TREATMENT OF CANCER

Microvesicle compositions and methods of use thereof are provided. The microvesicle composition includes a miRNA encapsulated by a microvesicle, wherein the microvesicle is derived from an edible plant. The method of use thereof includes treating a cancer in a subject by administering to the subject an effective amount of a microvesicle composition.

COMPOSITIONS FOR INTRATUMORAL ADMINISTRATION AND RELATED METHODS

The present invention relates to cancer treatment strategies comprising specific combinations of compounds or compositions that are administered intratumorally and can exert both local and distant anti-tumor effects. Preferred compounds and compositions to be combined for the intratumoral administration include a STING agonist and a TLR3 agonist. The disclosed combinations and related pharmaceutical compositions are additionally useful for inclusion in other cancer therapies such as radiotherapy or antibody-based immunotherapies.

COMPOSITIONS FOR INTRATUMORAL ADMINISTRATION AND RELATED METHODS

The present invention relates to cancer treatment strategies comprising specific combinations of compounds or compositions that are administered intratumorally and can exert both local and distant anti-tumor effects. Preferred compounds and compositions to be combined for the intratumoral administration include a STING agonist and a TLR3 agonist. The disclosed combinations and related pharmaceutical compositions are additionally useful for inclusion in other cancer therapies such as radiotherapy or antibody-based immunotherapies.

CARRIERS FOR EFFICIENT NUCLEIC ACID DELIVERY

Nanoparticle compositions for delivery of nucleic acids to subjects including carriers comprising polyester (PE) dendrimers or dendrons, and therapeutic or immunogenic nucleic acid agents enclosed within the PE are described. Methods for treating or preventing diseases or conditions in a subject by administering the nanoparticle compositions that provide immune responses and synergistic therapeutic or preventive effects are provided.