A combination of drugs having a higher antitumor effect is provided. There is provided an adjuvant composition containing a pH sensitive carrier and a natural immunity-activating substance, the adjuvant composition being used to be administered in combination with an immune checkpoint inhibitor.

The invention relates to improved strategies, compositions, and methods for producing neoplasia vaccines and for their use in methods of treating cancer in a patient. In aspects, a method of treating cancer comprises: (a) administering an effective amount of one or more of the instantly-disclosed peptides or polypeptides comprising one or more identified shared neo-epitopes (including peptides or polypeptide comprising one or more peptides or polypeptides from Table A, B, and/or C and/or fragments and variants thereof); and subsequently (b) administering an effective amount of one or more of the instantly-disclosed subject-specific peptides or polypeptides comprising one or more identified subject-specific neo-epitopes. The peptides or polypeptides administered in step (a) and in step (b) are designed to exclude neo-epitopes that are known or determined (e.g. predicted) to engage regulatory T cells and/or other detrimental T cells (including T cells with potential host cross-reactivity and/or anergic T cells).

The present invention discloses a composite-type nano-vaccine particle, which comprises an active ingredient selected from spike RBD protein of COVID-19, two adjuvants as aluminium salt nanoparticle and synthetic oligonucleotides, and an amphiphilic alginate-based nanocarrier encapsulating the active ingredient and the two adjuvants. The composite-type nano-vaccine particle has a particle size ranging from 300 nm to 1400 nm in diameter.

The present disclosure describes combination therapies and uses thereof for the treatment of cancer. The combinations therapies include at least a first therapeutic agent and a second therapeutic agent.

Mucus penetrating nanoparticles for inducing, increasing, or enhancing an immune response typically include core of a blend of a biodegradable hydrophobic polymer and a hydrophilic polymer, wherein ≥50% of the biodegradable polymer is conjugated to the hydrophilic polymer, and the hydrophilic polymers forms a coating on the particle. The particles encapsulate a cargo, typically an antigen, adjuvant or other immunomodulator, or a nucleic acid encoding the antigen, or combination thereof. Pharmaceutical compositions including an effective amount of particles to induce an immune response in a subject in need thereof are also provided. Methods of inducing an immune response are also provided, and typically include administering to a subject, preferably via the respiratory tract, the pharmaceutical composition. In some embodiments, the subject has cancer or an infection of the lung.

This document provides methods and materials related to selected severe acute respiratory distress coronavirus 2 (SARS-CoV-2) polypeptides. For example, this document provides vaccine compositions that contain one or more selected SARS-CoV-2 polypeptides provided herein and that have the ability to induce or increase immune responses against coronaviruses such as SARS-CoV-2 within a mammal (e.g., a human).

The present invention includes an immunogenic protein, constructs, vectors, and methods of making, comprising at least 90% amino acid identity to at least one antigenic peptide selected from: a coronavirus Receptor Binding Domain (RBD), coronavirus a Receptor Binding Motif (RBM) of a coronavirus spike protein, a coronavirus spike protein N-terminus, a nucleocapsid protein, one or more T cell epitopes from a coronavirus spike protein, or one or more T cell epitopes from a coronavirus nucleocapsid protein, or combination thereof. In one example, the at least one antigenic peptide is positioned at, at least one of, the N-terminus, the C-terminus, or in a loop region of the carrier protein or peptide tag.

Disclosed are novel means, protocols, and compositions of matter for creating targeted immune responses and/or induction of immunological memory towards the tumor vasculature. In one embodiment pluripotent stem cells are transfected with one or more genes capable of eliciting immunity, induced to differentiate into endothelial-like cells which resemble the tumor endothelial cells, and utilized as a vaccine. In some embodiment's genes are engineered under control of specific promoters to allow for various specificities of activity. In one specific embodiment pluripotent stem cells engineered to endow properties capable of inducing expression of the α-Gal epitope (Galα1,3Galα1,4GlcNAc-R). Addition of adjuvants to enhance antigen presentation of the vaccine composition, as well as means of stimulating systemic enhancement of circulating endothelial specific T cells are also disclosed.

The present invention includes compositions and methods of making and using an immunogenic protein for mucosal delivery comprising at least 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or 100% amino acid identity to a multigenic coronavirus vaccine on a modified vaccinia ankara (MVA) vector that expresses a viral nucleoprotein (N) protein and a spike (S) protein.

A vaccine including a vector and a transgene is provided. The transgene encodes a plurality of peptides and is packaged in the vector, in which the peptides in order include a secretion signal peptide, at least one tumor antigen, at least one co-inhibitory peptide and a toll-like receptor 9 (TLR9) antagonist.