Targeting endosomal trafficking-mediated antigen escape to resensitize myeloma to CAR-T therapy

Background
Antigen escape is one of the leading causes of relapse following chimeric antigen receptor (CAR)-T therapy, particularly in multiple myeloma. A critical gap persists in understanding the tumor-intrinsic pathways that trigger antigen loss, i…

Fluorination augments tumor engagement and antitumor immunity of a D-peptide-based radiotheranostic agent for combinatorial immune checkpoint blockade therapy

Background
Programmed death-ligand 1 (PD-L1)-targeted radiopharmaceutical therapy (RPT) combined with immune checkpoint blockade (ICB) represents a promising combinatorial treatment because of the “magic” bystander and abscopal effects of RPT. However…

First-in-human phase 1 study of RO7119929, an oral TLR7 agonist prodrug, in patients with advanced primary or metastatic liver cancers

Background
The orally available toll-like receptor 7 (TLR7) agonist prodrug RO7119929 is converted to active drug predominantly in the liver, where it is hypothesized to reprogram the local immune microenvironment. We aimed to explore the safety, phar…

Hyaluronic acid-CD44 signaling defines therapeutic resistance and immunosuppressive microenvironment in peritoneal metastasis of gastric cancer

Background
Peritoneal metastasis (PM) is one of the most challenging clinical problems in gastric cancer (GC), largely due to its high recurrence rate and poor response to current therapies. Increasing evidence indicates that remodeling of the extrace…

Integrating interferon gamma receptor pathways, antigenicity, and immune contexture as predictors of immunotherapeutic strategies for mucosal melanomas

Background
Mucosal melanomas (MM) arise from mucosal melanocytes at various anatomical sites. These tumors are rare, highly aggressive, and often associated with poor outcomes. Current treatments, including immune checkpoint inhibitors, show limited e…

Antibiotic-associated dysbiosis and bispecific antibody outcomes in multiple myeloma

Background
The gut microbiota plays a critical role in regulating immune homeostasis and modulating responses to cancer immunotherapies. However, the impact of antibiotic-induced dysbiosis in patients with multiple myeloma (MM) treated with bispecific…

Prospective study of patients with immune checkpoint inhibitor-induced hepatitis; characterization of liver injury, outcome of therapy, and management of steroid-unresponsive and steroid-dependent hepatitis

Background
Immune-related hepatitis (ir-hepatitis) ranks among the most frequent adverse events of immune checkpoint inhibitors (ICIs). Limited knowledge exists regarding the incidence, characteristics, and treatment of patients having an inadequate r…

Resistance to anti-PD-1 immunotherapy for stage III and IV melanoma: a global chart review study

Background
Anti-programmed cell death protein 1 (PD-1) immunotherapy has revolutionized the treatment of stage III and IV melanoma. Real-world data on its resistance is needed to facilitate the development of combinatorial approaches to overcome anti-…

Oncolytic virotherapy potentiates chemo-PD-1 immunotherapy by engaging chemo-resistant bystander CD8+ T cells

Background
The efficacy of combined chemotherapy and programmed cell death protein-1 (PD-1) immune checkpoint blockade (ICB) is constrained by the collateral cytotoxicity of chemotherapy toward proliferating tumor-specific CD8+ T (TTST) cells, a popul…

Antibody therapeutics with high affinity for Fc{gamma}Rs exacerbate anaphylaxis via Fc{gamma}R-mediated capture by tumor-associated myeloid cells

Background
Antibody therapeutics have revolutionized cancer treatment, but their use is increasingly associated with adverse events. Among these, anaphylaxis is particularly concerning due to its severity and unpredictability. Our previous studies dem…

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