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Impact of circulating lymphocyte kinetics following radiotherapy on patient survival: A model-based meta-analysis.
Comput Biol Med
January 2025
Université de Caen Normandie, CNRS, Normandie Université, ISTCT UMR6030, GIP CYCERON, F-14000, Caen, France. Electronic address:
Introduction: Radiation-induced lymphopenia (RIL) has been shown to adversely affect the prognosis of cancer patients undergoing radiotherapy (RT). This model-based meta-analysis investigated the prognostic significance of lymphocyte counts both early and late after RT and examined the dose‒response relationship between post-RT lymphocyte levels and patient survival.
Methods: A literature search of published articles on the effect of RIL on cancer prognosis was conducted using the PubMed and Cochrane databases.
Physiopathological effects of entrance versus distal spread-out Bragg peak on mouse spinal cord neurons.
Sci Rep
January 2025
Department of Biomedical and Biotechnological Sciences, University of Catania, 95123, Catania, Italy.
Recent investigations into radiation-induced side effects have focused on understanding the physiopathological consequences of irradiation on late-responding tissues like the spinal cord, which can lead to chronic progressive myelopathy. Proton therapy, an advanced radiation treatment, aims to minimize damage to healthy tissues through precise dose deposition. However, challenges remain, particularly regarding the variation in dose distribution, characterized by maximum deposition at the end of the proton range, known as the distal fall-off of a spread-out Bragg peak.
View Article and Find Full Text PDFRelationship Between Radiation Therapy and Fecal Incontinence in Patients Treated for Localized Prostate Cancer: Results of the French ICONES Study.
Prostate
January 2025
AP-HP. Department of Urology, Henri Mondor University Hospital, Creteil, France.
Background: Radiation-induced late fecal incontinence (LFI) is one of the most quality-of-life impairing symptoms in prostate cancer. We aimed to assess the impact of radiotherapy (RT) technique and dose-volume effects on LFI using a robust score.
Methods: We identified 409 patients who underwent curative intent using standard fractionated radiation therapy, 190 of them were finally included and analyzed.
TRAIL agonists rescue mice from radiation-induced lung, skin or esophageal injury.
J Clin Invest
January 2025
Laboratory of Translational Oncology and Translational Cancer Therapeutics, Warren Alpert Medical School of Brown University, Providence, United States of America.
Radiotherapy can be limited by pneumonitis which is impacted by innate immunity, including pathways regulated by TRAIL death receptor DR5. We investigated whether DR5 agonists could rescue mice from toxic effects of radiation and found two different agonists, parenteral PEGylated trimeric-TRAIL (TLY012) and oral TRAIL-Inducing Compound (TIC10/ONC201) could reduce pneumonitis, alveolar-wall thickness, and oxygen desaturation. Lung protection extended to late effects of radiation including less fibrosis at 22-weeks in TLY012-rescued survivors versus un-rescued surviving irradiated-mice.
View Article and Find Full Text PDFRecurrence of chronic encapsulated hematoma following cyst formation after stereotactic radiosurgery for brain arteriovenous malformations: a case report.
Chin Neurosurg J
January 2025
Department of Neurosurgery, University Hospital Cruces, Bilbao, Basque Country, Spain.
Background: Delayed radiation-induced complications after stereotactic radiosurgery (SRS) for arteriovenous malformations (AVM) have scarcely been described in the literature, and their incidence, pathophysiology, and treatment remain unclear. Additionally, the literature regarding these complications is confusing. The authors present a well-documented case report describing these late complications, adding evidence to the possible common pathophysiological mechanism underlying them, and illustrating an effective treatment modality when they occur.
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