Search Results - "Diffenderfer, Eric S"
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Predicting radiation pneumonitis in locally advanced stage II–III non-small cell lung cancer using machine learning
Published in Radiotherapy and oncology (01-04-2019)“…•Among an extensive set of 32 clinical and dosimetric features, Lung V20, mean lung dose, lung V10 and lung V5 are the best individual predictors of radiation…”
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Patient-derived organoids as a platform for modeling a patient’s response to chemoradiotherapy in esophageal cancer
Published in Scientific reports (29-10-2021)“…3D patient-derived organoids (PDOs) have been utilized to evaluate potential therapies for patients with different cancers. However, the use of PDOs created…”
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Linear Energy Transfer Painting With Proton Therapy: A Means of Reducing Radiation Doses With Equivalent Clinical Effectiveness
Published in International journal of radiation oncology, biology, physics (01-04-2015)“…Purpose The purpose of this study was to propose a proton treatment planning method that trades physical dose (D) for dose-averaged linear energy transfer…”
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A phenomenological model of proton FLASH oxygen depletion effects depending on tissue vasculature and oxygen supply
Published in Frontiers in oncology (28-11-2022)“…Radiation-induced oxygen depletion in tissue is assumed as a contributor to the FLASH sparing effects. In this study, we simulated the heterogeneous oxygen…”
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Effect of solar particle event radiation and hindlimb suspension on gastrointestinal tract bacterial translocation and immune activation
Published in PloS one (19-09-2012)“…The environmental conditions that could lead to an increased risk for the development of an infection during prolonged space flight include: microgravity,…”
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Leukocyte activity is altered in a ground based murine model of microgravity and proton radiation exposure
Published in PloS one (14-08-2013)“…Immune system adaptation during spaceflight is a concern in space medicine. Decreased circulating leukocytes observed during and after space flight infer…”
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Broad-spectrum antibiotic or G-CSF as potential countermeasures for impaired control of bacterial infection associated with an SPE exposure during spaceflight
Published in PloS one (20-03-2015)“…A major risk for astronauts during prolonged space flight is infection as a result of the combined effects of microgravity, situational and confinement stress,…”
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Ionizing radiation selectively reduces skin regulatory T cells and alters immune function
Published in PloS one (24-06-2014)“…The skin serves multiple functions that are critical for life. The protection from pathogens is achieved by a complicated interaction between aggressive…”
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The current status of preclinical proton FLASH radiation and future directions
Published in Medical physics (Lancaster) (01-03-2022)“…We review the current status of proton FLASH experimental systems, including preclinical physical and biological results. Technological limitations on…”
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Design, Implementation, and in Vivo Validation of a Novel Proton FLASH Radiation Therapy System
Published in International journal of radiation oncology, biology, physics (01-02-2020)“…Recent studies suggest that ultrahigh-dose-rate, “FLASH,” electron radiation therapy (RT) decreases normal tissue damage while maintaining tumor response…”
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Machine learning highlights the deficiency of conventional dosimetric constraints for prevention of high-grade radiation esophagitis in non-small cell lung cancer treated with chemoradiation
Published in Clinical and translational radiation oncology (01-05-2020)“…•A large cohort to predict radiation esophagitis in lung cancer patients was used.•Modern machine learning models were implemented to predict radiation…”
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Building more accurate decision trees with the additive tree
Published in Proceedings of the National Academy of Sciences - PNAS (01-10-2019)“…The expansion of machine learning to high-stakes application domains such as medicine, finance, and criminal justice, where making informed decisions requires…”
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Relative biological effectiveness of simulated solar particle event proton radiation to induce acute hematological change in the porcine model
Published in Journal of radiation research (01-03-2014)“…The present study was undertaken to determine relative biological effectiveness (RBE) values for simulated solar particle event (SPE) radiation on peripheral…”
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FLASH Radiotherapy: What Can FLASH's Ultra High Dose Rate Offer to the Treatment of Patients With Sarcoma?
Published in Seminars in radiation oncology (01-04-2024)“…FLASH is an emerging treatment paradigm in radiotherapy (RT) that utilizes ultra-high dose rates (UHDR; >40 Gy)/s) of radiation delivery. Developing advances…”
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Monte Carlo modeling in CT-based geometries: dosimetry for biological modeling experiments with particle beam radiation
Published in Journal of radiation research (01-03-2014)“…The space radiation environment imposes increased dangers of exposure to ionizing radiation, particularly during a solar particle event (SPE). These events…”
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Current delivery limitations of proton PBS for FLASH
Published in Radiotherapy and oncology (01-02-2021)“…•FLASH proton PBS has strong potential to be implemented for patient treatment.•Clinical proton PBS delivery parameters were extrapolated to high cyclotron…”
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FLASH Proton Radiation Therapy Mitigates Inflammatory and Fibrotic Pathways and Preserves Cardiac Function in a Preclinical Mouse Model of Radiation-Induced Heart Disease
Published in International journal of radiation oncology, biology, physics (15-07-2024)“…Studies during the past 9 years suggest that delivering radiation at dose rates exceeding 40 Gy/s, known as “FLASH” radiation therapy, enhances the therapeutic…”
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Proton radiation boosts the efficacy of mesothelin-targeting chimeric antigen receptor T cell therapy in pancreatic cancer
Published in Proceedings of the National Academy of Sciences - PNAS (30-07-2024)“…Pancreatic ductal adenocarcinoma (PDAC) represents a challenge in oncology, with limited treatment options for advanced-stage patients. Chimeric antigen…”
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Design and commissioning of an image-guided small animal radiation platform and quality assurance protocol for integrated proton and x-ray radiobiology research
Published in Physics in medicine & biology (04-07-2019)“…Small animal x-ray irradiation platforms are expanding the capabilities and future pathways for radiobiology research. Meanwhile, proton radiotherapy is…”
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Framework for Quality Assurance of Ultrahigh Dose Rate Clinical Trials Investigating FLASH Effects and Current Technology Gaps
Published in International journal of radiation oncology, biology, physics (01-08-2023)“…FLASH radiation therapy (FLASH-RT), delivered with ultrahigh dose rate (UHDR), may allow patients to be treated with less normal tissue toxicity for a given…”
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