A61K47/6933

POLYMER NANOPARTICLE AND DNA NANOSTRUCTURE COMPOSITIONS AND METHODS FOR NON-VIRAL DELIVERY

The invention relates to polymer nanoparticle and DNA nanostructure delivery compositions for non-viral delivery, and methods therefor. More particularly, the invention relates to polymer nanoparticle delivery compositions, such as reversible addition-fragmentation chain transfer (RAFT) polymer compositions, and DNA nanostructure delivery compositions, such as DNA origami compositions, for the delivery of more than one payload, or for the delivery of a nucleic acid construct payload of 3 kB or more, and methods therefor.

METHODS OF PREPARING STABLE NUCLEIC ACID LIQUID FORMULATIONS

Stable nucleic acid liquid formulations and methods of making and using the same are provided. According to some aspects, a method for preparing stable nucleic acid liquid formulations are provided that are resistant to nucleic acid degradation caused by enzyme-independent or enzymatic hydrolysis. In some instances, stable nucleic acid liquid compositions and methods or making the same incorporate the use of at least one of a polymer and/or a salt to form a macroscopic RNA-rich condensate. In other aspects, a method for preparing stable nucleic acid encapsulated lipid nanoparticle (LNP) liquid formulations is provided that are resistant to degradation caused by nucleic acid hydrolysis, LNP leakage, and LNP aggregation. In some instances, stable nucleic acid liquid compositions and methods or making the same incorporate the use of a pair of thermodynamically matching LNP synthesis buffer and LNP product formulation buffer with close-to-equal osmotic pressure and chemical potentials of solution components.

MODIFIED RELEASE FORMULATIONS CONTAINING DRUG-ION EXCHANGE RESIN COMPLEXES
20190151460 · 2019-05-23 ·

A particulate, modified release barrier coated drug-cation exchange resin complex comprising a core composed of a drug complexed with a pharmaceutically acceptable ion-exchange resin is provided. Methods of making and products containing this coated complex are described.

MODIFIED RELEASE FORMULATIONS CONTAINING DRUG-ION EXCHANGE RESIN COMPLEXES
20190142952 · 2019-05-16 ·

An aqueous liquid suspension containing a coated drug-ion exchange resin complex comprising a core composed of an amphetamine complexed with a pharmaceutically acceptable ion-exchange resin and an uncoated amphetamine-ion exchange resin complex is provided. The coated amphetamine-ion exchange resin complex is in admixture with a polymer to form a matrix. Methods of making the coated complex and the liquid suspension are described.

Synthetic somatostatin receptor ligands

Disclosed are Somatostatin receptor ligands comprising a peptide moiety, pharmaceutical compositions and uses thereof. Disclosed are also synthetic Somatostatin receptor ligands comprising a cyclic peptide moiety and an active agent moiety covalently bonded to the cyclic peptide moiety through a nitrogen atom of a side chain functional group of an internal residue of the cyclic peptide moiety, pharmaceutical compositions and uses thereof. Disclosed are also synthetic Somatostatin receptor ligands comprising a cyclic peptide moiety and a nanoparticle active agent moiety covalently bonded to the cyclic peptide moiety, pharmaceutical compositions and uses thereof.

POLYMERIC NANOPARTICLES AND A PROCESS OF PREPARATION THEREOF
20190091280 · 2019-03-28 ·

The present invention relates to the field of nanotechnology, in particular, to the production of biodegradable polymeric nanoparticles. The present invention provides a biodegradable polymeric nanoparticle made up of a block copolymer and a process for producing the same. The nanoparticles are produced without the use of any emulsifiers and have a size ranging from 30-120 nm. The methods of controlling the drug loading capacity are disclosed along with the process of producing entity-loaded nanoparticles. Compositions comprising the nanoparticles and their use in therapeutics, diagnostics and theranostics are also disclosed.

HYDROGEL MICROPARTICLE SCAFFOLD WITH GRADIENTS OF DEGRADABILITY AND METHODS THEREOF
20190083389 · 2019-03-21 · ·

Disclosed herein is a device and method for regenerating tissue using a modular scaffold having a gradient of enzymatic degradability. The disclosure further relates to scaffolds made of microparticles comprising a cross-linked water-soluble polymer or cross-linked water-soluble polymers and a process for forming thereof.

FIBRIN-SPECIFIC MATERIALS AND METHODS OF USING THEREOF
20240226322 · 2024-07-11 ·

Disclosed are fibrin-specific nanogels. The fibrin-specific nanogels can comprise a fibrin binding moiety conjugated to a polymeric matrix (e.g., a crosslinked polyacrylamide matrix). By varying the morphology of fibrin-specific nanogels (e.g., by varying the crosslinker density and/or the three-dimensional structure of the fibrin-specific nanogels), fibrin-specific materials which mimic the biophysical characteristics of platelets can be formed. The resulting materials can be used in a variety of biomedical applications (e.g., for drug delivery, to promote wound healing, to treat thrombotic events, and to treat coagulative disorders).

Modified release formulations containing drug-ion exchange resin complexes
10172958 · 2019-01-08 · ·

An aqueous liquid suspension containing a coated drug-ion exchange resin complex comprising a core composed of an amphetamine complexed with a pharmaceutically acceptable ion-exchange resin and an uncoated amphetamine-ion exchange resin complex is provided. The coated amphetamine-ion exchange resin complex is in admixture with a polymer to form a matrix. Methods of making the coated complex and the liquid suspension are described.

BLOOD-BRAIN BARRIER PERMEABLE PEPTIDE COMPOSITIONS
20190002544 · 2019-01-03 ·

Blood-brain barrier permeable peptide compositions that contain variable antigen binding domains from camelid and/or shark heavy-chain only single-domain antibodies are described. The variable antigen binding domains of the peptide compositions bind to therapeutic and diagnostic biomarkers in the central nervous system, such as the amyloid-beta peptide biomarker for Alzheimer's disease. The peptide compositions contain constant domains from human IgG, camelid IgG, and/or shark IgNAR. The peptide compositions include heavy-chain only single-domain antibodies and compositions with one or more variable antigen binding domain bound to one or more constant domains.