The therapy of pancreatic cancer is fundamentally based on surgical removal and chemotherapy. The available evidence and results of publications concerning the application of radiotherapy are controversial. Accordingly, the international guidelines formulated by radiation oncology organizations have paramount interest in this particular pathology. Answers are eagerly awaited in several unclear questions from ongoing, or recently closed, yet unpublished trials. Modern radiotherapy techniques, like stereotactic radiotherapy, or actually less available modalities, like particle therapy or magnetic resonance imaging guided radiotherapy show promising results, as well as combination of radiation with immunotherapy.
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Cells
January 2025
Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama 700-8530, Japan.
Boron (B) neutron capture therapy (BNCT) is a novel non-invasive targeted cancer therapy based on the nuclear capture reaction B (n, alpha) Li that enables the death of cancer cells without damaging neighboring normal cells. However, the development of clinically approved boron drugs remains challenging. We have previously reported on self-forming nanoparticles for drug delivery consisting of a biodegradable polymer, namely, "AB-type" Lactosome nanoparticles (AB-Lac particles)- highly loaded with hydrophobic B compounds, namely -Carborane (Carb) or 1,2-dihexyl--Carborane (diC6-Carb), and the latter (diC6-Carb) especially showed the "molecular glue" effect.
View Article and Find Full Text PDFGut
January 2025
Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
Background: The immune suppression mechanisms in pancreatic ductal adenocarcinoma (PDAC) remain unknown, but preclinical studies have implicated macrophage-mediated immune tolerance. Hence, pathways that regulate macrophage phenotype are of strategic interest, with reprogramming strategies focusing on inhibitors of phosphoinositide 3-kinase-gamma (PI3Kγ) due to restricted immune cell expression. Inhibition of PI3Kγ alone is ineffective in PDAC, despite increased infiltration of CD8+ T cells.
View Article and Find Full Text PDFCancer Med
January 2025
Department of Hepatobiliary and Pancreatic Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian, China.
Objective: Several observational studies have identified an association between plasma proteins and hepatocellular carcinoma (HCC). This study aimed to explore the potential causal relationship between the circulating protein-to-protein ratio and the morbidity risk of HCC.
Methods: Genetic association data for circulating plasma proteins and 2821 protein-to-protein ratios were sourced from the UKB PPP and Suhre's study.
Ann Surg Oncol
January 2025
Hepato-Pancreato-Biliary Surgery and Liver Transplantation, Pôle des Pathologies Digestives et Hépatiques, Hôpital de Hautepierre-Hôpitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.
Background: The use of multiagent FOLFIRINOX chemotherapy for pancreatic adenocarcinoma in a neoadjuvant setting has been associated with an increased rate of complete pathological response (CPR) after surgery. This study investigated the long-term outcomes of patients with CPR in a multicenter setting to identify prognostic factors for overall survival (OS) and recurrence-free survival (RFS).
Methods: This retrospective cohort study examined biopsy-proven pancreatic adenocarcinomas with CPR after neoadjuvant chemotherapy or chemoradiotherapy and surgery, between January 2006 and December 2023 across 22 French and 2 Belgian centers.
J Immunother Cancer
January 2025
Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri, USA
Background: Treatment with immunotherapy can elicit varying responses across cancer types, and the mechanistic underpinnings that contribute to response vrsus progression remain poorly understood. However, to date there are few preclinical models that accurately represent these disparate disease scenarios.
Methods: Using combinatorial radio-immunotherapy consisting of PD-1 blockade, IL2Rβγ biased signaling, and OX40 agonism we were able to generate preclinical tumor models with conflicting responses, where head and neck squamous cell carcinoma (HNSCC) models respond and pancreatic ductal adenocarcinoma (PDAC) progresses.
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