A61K2039/6018

METHODS OF USING LOW DOSE VOLUME B-CELL EPITOPE COMPOSITIONS FOR INDUCING AN ANTIBODY IMMUNE RESPONSE IN HUMAN SUBJECTS

The present disclosure provides methods, uses and compositions and kits for use in inducing an antibody immune response in a human subject. The methods and uses involve administering parenterally a low dose volume of a composition comprising an antigen comprising a B-cell epitope, an amphipathic compound, and a hydrophobic carrier, wherein the low dose volume of the composition is less than 100 μl and induces an antibody immune response to the B-cell epitope in the human subject.

LIPOPEPTIDE BUILDING BLOCKS AND SYNTHETIC VIRUS-LIKE PARTICLES
20220054619 · 2022-02-24 ·

The present invention relates to a lipopeptide building block consisting of (i) a peptide moiety comprising a coiled coil peptide chain segment, wherein said coiled coil peptide chain segment comprises 3 to 8 repeat units, and wherein said repeat unit consists of the sequence IEKKIE-XO (SEQ ID NO:58), wherein X0 represents an amino acid, and wherein preferably said repeat unit consists of the sequence selected from IEKKIEG (SEQ ID NO:59), IEKKIEA (SEQ ID NO:12) or IEKKIES (SEQ ID NO:13), and wherein further preferably said repeat unit consists of the sequence IEKKIES (SEQ ID NO:13); (ii) a lipid moiety comprising, preferably consisting of, the formula LM-I wherein R.sup.1 and R.sup.2 are independently C.sub.11-15alkyl, wherein preferably R.sup.1 and R.sup.2 are independently —C.sub.11H.sub.23, —C.sub.13H.sub.27 or —C.sub.15H.sub.31, and wherein further preferably R.sup.1 and R.sup.2 are —C.sub.15H.sub.31; and wherein R.sup.3 is hydrogen or —C(O)C.sub.11-15alkyl, and wherein preferably R.sup.3 is H or —C(O)C.sub.15H.sub.31; and wherein said lipid moiety is linked to said peptide moiety, wherein the wavy line in formula LM-I indicates the linkage site to said peptide moiety, and wherein preferably said lipid moiety is linked to the N-terminus of said peptide moiety, as well as conjugates comprising said lipopeptide building blocks to which antigens are coupled, bundles of such conjugates, synthetic virus-like particles (SVLPs) comprising at least one bundle of conjugates and pharmaceutical compositions comprising the same. The present invention further relates to said conjugates, bundles of conjugates, said SVLPs and said pharmaceutical compositions for use as a medicament, as vaccines and for use in methods of preventing or treating a disease, preferably selected from infectious diseases, allergies and cancer, and generally to efficiently induce antigen specific immune responses.

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COMPOSITIONS COMPRISING CH505 ENVELOPES, AND TRIMERS

In certain aspects the invention provides a selection of HIV-1 envelopes suitable for use as immunogens, and methods of using these immunogens to induce neutralizing antibodies. In certain embodiments, the immunogens are designed to trimerize. In other embodiments, the immunogens comprise an immune modulating component.

LIPID MEMBRANE STRUCTURE FOR siRNA INTRACELLULAR DELIVERY

A lipid membrane structure encapsulating an siRNA inside thereof and containing a lipid compound of the formula (I) as a lipid component (R.sup.1 and R.sup.2 represent CH.sub.3—(CH.sub.2).sub.n—CH═CH—CH.sub.2—CH═CH—(CH.sub.2).sub.m—, n represents an integer of 3 to 5, m represents an integer of 6 to 10, p represents an integer of 2 to 7, and R.sup.3 and R.sup.4 represent a C.sub.1-4 alkyl group or a C.sub.2-4 alkenyl group.

Pharmaceutical composition comprising a solid nanoparticle and at least an antigen for the treatment against an intracellular pathogenic agent

A pharmaceutical composition for its use in the prophylactic treatment of a patient against an intracellular pathogen, said composition comprising a solid nanoparticle comprising a porous cationic-polysaccharide solid core, loaded with at least an anionic phospholipid, without said cationic-polysaccharide core being surrounded by any phospholipidic layer, and at least an antigen obtained from said pathogen.

ANALYTICAL METHOD AND IMMUNOLOGICAL TREATMENT FOR BLADDER CANCER

The invention provides an analytical method for detecting bladder cancer by analysing a urine sample for presence of a glycan tumour antigen, the presence of which has been identified to indicate bladder cancer. The analytical method has the advantage that the tumour antigen can be analysed in a urine sample and has a high accuracy for indicating presence of cancer in the urinary tract, especially bladder cancer, e.g. the method has a low rate of false positive results.

SYNERGISTIC TUMOR TREATMENT WITH IL-2, A THERAPEUTIC ANTIBODY, AND AN IMMUNE CHECKPOINT BLOCKER

The present invention provides a method of treating cancer with a combination of IL-2 (e.g., extended-PK IL-2), a therapeutic antibody or fragment thereof, and an immune checkpoint blocker. The methods of the invention can be used to treat a broad range of cancer types.

Hepatitis C virus liposome vaccine

The invention provides a method for the prophylaxis or treatment of hepatitis C in a mammal with a peptide-bound liposome wherein the peptide contains a partial amino acid sequence having a length of not less than 9 amino acids in the amino acid sequence of hepatitis C virus NS3 protein, has a length of 9 to 11 amino acids, and is capable of inducing cytotoxic T lymphocytes; the liposome contains a phospholipid containing an acyl group having 14 to 24 carbon atoms and one unsaturated bond or a hydrocarbon group having 14 to 24 carbon atoms and one unsaturated bond, and a liposome stabilizer; and the peptide is bound to the surface of the liposome. The invention also provides a cytotoxic T lymphocyte activator containing the peptide-bound liposome, as well as a hepatitis C virus vaccine.

Haemophilus influenzae saccharide-carrier conjugate compositions and uses thereof
11246918 · 2022-02-15 · ·

Provided herein are Haemophilus influenzae saccharide-carrier conjugates and compositions thereof. Also provided are methods of making and using the conjugates and compositions thereof, and kits containing the conjugates. Haemophilus influenzae saccharide-lipid conjugates, Haemophilus influenzae saccharide-glycosphingolipid conjugates, compositions containing these, methods of making and using the conjugates and compositions, and kits containing these, are also disclosed. Saccharide-lipid conjugates, and saccharide-glycosphingolipid conjugates comprising saccharides from Haemophilus influenzae serotype a, as well as compositions containing these, methods of making and using the conjugates and compositions, and kits containing these, are also disclosed.

METHOD FOR REGRESSING PANCREATIC TUMOR BY A LIPOSOMAL FORMULATION ALONG WITH DNA VACCINES

The present invention discloses a Plectin-1 receptor targeting novel cationic KTLLPTPK-lipopeptide. The present invention further discloses a liposomal formulation comprising the cationic KTLLPTPK-lipopeptide, at least two co-lipids, therapeutic agents and a pharmaceutically acceptable carrier. The present invention also provides a method for regressing established pancreatic tumors comprising administering therapeutically effective amount of the liposomal formulation with the therapeutic agents in combination with targeted genetic immunization (DNA vaccination) i.e. by immunizing mice with electrostatic complexes (direct in-vivo DC-targeting cationic liposomes) of DNA vaccines encoding mesothelin (p-CMV-MSLN).