Abstract: Provided herein are polymers comprising Metformin residues (“PolyMet”) as useful therapeutic agents, delivery vehicles and transfection agents for nucleotides. Also provided herein are methods for the treatment of a disease or an unwanted condition in a subject, wherein the methods comprise administering PolyMet as a therapeutic agent to combat the disease or condition. Also provided herein are methods for the treatment of a disease or an unwanted condition in a subject, wherein the methods comprise administering a therapeutic agent in a delivery vehicle that comprises PolyMet. Further provided herein are methods for making PolyMet.

Abstract: A composition and method for activating immune cells ex-vivo, or inducing an immune response in a subject including a composition comprising at least one chiral cationic lipid. The chiral cationic lipid in one embodiment comprises a nonsteroidal cationic lipid having a structure represented by formula (I); wherein in R1 is a quaternary ammonium group, Y1 is a spacer chosen from a hydrocarbon chain, an ester, a ketone, and a peptide, C* is a chiral carbon, R2 and R3 are independently chosen from a saturated fatty acid, an unsaturated fatty acid, an ester-linked hydrocarbon, phosphor-diesters, and combinations thereof.

Abstract: A medical nanoparticle includes a core, an outer lipid layer, an inner lipid layer, a photosensitizer, and a nucleic acid. The core includes a bio-degradable ionic precipitate (BIP). The inner lipid layer is between the core and the outer lipid layer. The photosensitizer is between the inner lipid layer and the outer lipid layer, and the nucleic acid is at the surface of the core.

Abstract: Compositions and methods for treating immune cells and activating immune responses are disclosed. The compositions comprise one or more optically active chiral cationic lipids.

Abstract: The present invention provides pharmaceutical compositions and methods for the instillation of lipid vehicles comprised of liposomes containing sphingomyelin or sphingomyelin metabolites to prevent, manage, ameliorate and/or treat disorders involving neuropathic pain and aberrant muscle contractions, such as what occurs in bladder hyperactivity disorders such as interstitial cystitis (IC) in animals or humans in need thereof. Also provided is a liposome-based delivery of drugs, e.g., antibiotics, pain treatments and anticancer agents, to the bladder, genitourinary tract, gastrointestinal system, pulmonary system and other organs or body systems. In particular, liposome-based delivery of vanilloid compounds, such as resiniferatoxin, capsaicin, or tinyatoxin and toxins, such as botulinum toxin is provided for the treatment of bladder conditions, including pain, inflammation, incontinence and voiding dysfunction.

Abstract: Disclosed herein are polymer nanoparticles comprising i. a nano-precipitated bioactive compound, wherein the nano-precipitate is encapsulated by a lipid, and ii. a hydrophobic bioactive compound. Also provided herein are methods for preparing the nanoparticles and compositions comprising the nanoparticles and methods for the treatment of a disease or an unwanted condition in a subject comprising administering the polymer nanoparticles.

Abstract: Provided herein are compositions that include delivery system complexes comprising a nano-precipitated bioactive compound, wherein the nano-precipitate is encapsulated by a liposome or has at least a portion of its surface coated with a liposome. Because the liposomes contain nano-precipitates of bioactive compounds, the liposomes are capable of utilization in formulating essentially insoluble forms of bioactive agents. Also provided herein are methods for the treatment of a disease or an unwanted condition in a subject, wherein the methods comprise administering the delivery system complexes.

Abstract: The present invention provides compositions and methods for stimulating an immune response using cationic lipids alone or in combination with antigens.

Abstract: The present invention provides compositions and methods for stimulating an immune response using cationic lipids alone or in combination with antigens.

Abstract: Novel stable, concentrated, biologically active and ready-to-use lipid-comprising drug delivery complexes and methods for their production are described. The biological activity of the complexes produced are comparable to the formulations prepared according to the prior art admixture method and upon purification, the complexes produced by the method of this invention are 50 to 500 fold more concentrated than the complexes formed by admixture. The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications.

Abstract: Novel stable, concentrated, biologically active and ready-to-use lipid-comprising drug delivery complexes and methods for their production are described. The biological activity of the complexes produced are comparable to the formulations prepared according to the prior art admixture method and upon purification, the complexes produced by the method of this invention are 50 to 500 fold more concentrated than the complexes formed by admixture. The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications.

Abstract: Provided herein are novel cationic lipids, compositions comprising the cationic lipids, and methods of using the cationic lipids. In some claims, the cationic lipids have cytotoxic activity and can be used alone or in combination with a cytotoxic bioactive compound to kill a cell. In some of these claims, the cationic lipid enhances the cytotoxic activity of the cytotoxic bioactive compound. Methods for treating a subject afflicted with a disease or unwanted condition are provided, wherein the method comprises administering a delivery system comprising a novel cationic lipid to the subject. The invention further provides methods for making delivery systems comprising the novel cationic lipids of the invention.

Abstract: Provided herein are methods and compositions for the delivery of bioactive compounds to a cell, tissue, or physiological site. The compositions comprise delivery system complexes comprising liposomes encapsulating a biodegradable ionic precipitate having incorporated therein a bioactive compound and delivery system complexes comprising a biodegradable ionic precipitate ionically bound to a surrounding lipid bilayer, wherein the biodegradable ionic precipitate comprises a bioactive compound. Also provided herein are methods for the treatment of a disease or an unwanted condition in a subject, wherein the methods comprise administering the delivery system complexes comprising bioactive compounds that have therapeutic activity against the disease or unwanted condition to the subject.

Abstract: Novel stable, concentrated, biologically active and ready-to-use lipid-comprising drug delivery complexes and methods for their production are described. The biological activity of the complexes produced are comparable to the formulations prepared according to the prior art admixture method and upon purification, the complexes produced by the method of this invention are 50 to 500 fold more concentrated than the complexes formed by admixture. The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications.

Abstract: The present invention provides pharmaceutical compositions and methods for the instillation of lipid vehicles comprised of liposomes containing sphingomyelin or sphingomyelin metabolites to prevent, manage, ameliorate and/or treat disorders involving neuropathic pain and aberrant muscle contractions, such as what occurs in bladder hyperactivity disorders such as interstitial cystitis (IC) in animals or humans in need thereof. Also provided is a liposome-based delivery of drugs, e.g., antibiotics, pain treatments and anticancer agents, to the bladder, genitourinary tract, gastrointestinal system, pulmonary system and other organs or body systems. In particular, liposome-based delivery of vanilloid compounds, such as resiniferatoxin, capsaicin, or tinyatoxin and toxins, such as botulinum toxin is provided for the treatment of bladder conditions, including pain, inflammation, incontinence and voiding dysfunction.

Abstract: The present invention provides pharmaceutical compositions and methods for the instillation of lipid vehicles comprised of liposomes containing sphingomyelin or sphingomyelin metabolites to prevent, manage, ameliorate and/or treat disorders involving neuropathic pain and aberrant muscle contractions, such as what occurs in bladder hyperactivity disorders such as interstitial cystitis (IC) in animals or humans in need thereof. Also provided is a liposome-based delivery of drugs, e.g., antibiotics, pain treatments and anticancer agents, to the bladder, genitourinary tract, gastrointestinal system, pulmonary system and other organs or body systems. In particular, liposome-based delivery of vanilloid compounds, such as resiniferatoxin, capsaicin, or tinyatoxin and toxins, such as botulinum toxin is provided for the treatment of bladder conditions, including pain, inflammation, incontinence and voiding dysfunction.

Abstract: Novel stable, concentrated, biologically active and ready-to-use lipid-comprising drug delivery complexes and methods for their production are described. The biological activity of the complexes produced are comparable to the formulations prepared according to the prior art admixture method and upon purification, the complexes produced by the method of this invention are 50 to 500 fold more concentrated than the complexes formed by admixture. The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications.

Abstract: The present invention provides compositions comprising delivery systems comprising a lipid vehicle, a bioactive compound, and a polyanionic carrier macromolecule that is not a carrier polynucleotide, wherein the lipid vehicle encapsulates the polynucleotide of interest and the polyanionic carrier macromolecule, and wherein the delivery system is essentially free of carrier polynucleotides. Compositions also include delivery systems comprising a lipid vehicle and a bioactive agent, wherein the lipid vehicle encapsulates the bioactive agent, and wherein the lipid vehicle comprises a covalent bilayer or a core supported bilayer comprising polycationic lipids. Other compositions provided herein comprise a delivery system comprising a polypeptide of interest and a means for delivering the polypeptide into a cell.

Abstract: Provided herein are novel cationic lipids, compositions comprising the cationic lipids, and methods of using the cationic lipids. In some claims, the cationic lipids have cytotoxic activity and can be used alone or in combination with a cytotoxic bioactive compound to kill a cell. In some of these claims, the cationic lipid enhances the cytotoxic activity of the cytotoxic bioactive compound. Methods for treating a subject afflicted with a disease or unwanted condition are provided, wherein the method comprises administering a delivery system comprising a novel cationic lipid to the subject. The invention further provides methods for making delivery systems comprising the novel cationic lipids of the invention.

Abstract: Compositions and methods for treating immune cells and activating immune responses are disclosed. The compositions comprise one or more optically active chiral cationic lipids.