Researchers studied the correlation between radiation therapy dosage to the hypothalamus and pituitary gland and development of endocrine dysfunction in pediatric and young adult patients. The study found a strong association between radiation dose and age on the development of hormone deficiencies, supporting the benefits of advanced ...
A phase 3 trial found that radiation therapy and cetuximab was associated with worse overall and progression-free survival compared to the current standard treatment with radiation and cisplatin. The study recommended releasing the data after an interim analysis showed that cetuximab with radiation was inferior to cisplatin and radiation.
A small clinical benefit was observed in reduced risk of dying from breast cancer in women with ductal carcinoma in situ (DCIS) treated with radiation plus lumpectomy. The absolute risk reduction was 0.27 percent, indicating that 370 women would need to be treated to save one life.
Researchers have engineered yeast microbreweries within disposable badges to detect low doses of radiation, potentially reducing cancer risk. The technology uses yeast's response to radiation to measure electrical conductivity, providing an instant reading of radiation exposure.
A new study found that an experimental drug called AZ32 selectively sensitizes brain tumors to radiation, extending the survival of mouse models with human glioblastoma multiforme. The combination therapy forced GBM cells to undergo mitotic catastrophe, leading to cell death.
Researchers have developed a synthetic SensoGlow™ material that can detect the quantity and quality of UV radiation from the Sun. The material is durable and can be used multiple times due to electron storage, making it a promising tool for everyday UV radiation monitoring.
Researchers discovered a new strategy against anaplastic thyroid cancer using stereotactic body radiation therapy (SBRT), which showed better results than conventional radiotherapy. The study was made possible by a patient's donation of $10,000 to fund research.
A novel drug has been identified as a potential treatment for brain damage caused by exposure to cosmic rays, protecting memory function in mice. The study's findings suggest that rebooting the brain's immune system may help prevent cognitive impairments in astronauts during deep space travel.
Researchers found that d-limonene, a compound in citrus oils, protected cells producing saliva in mice exposed to radiation therapy. The study shows promising results for alleviating dry mouth in head and neck cancer patients.
Researchers aim to identify genetic markers that can predict tumor response to radiation therapy, leading to more personalized treatment approaches. The goal is to improve treatment responses, reduce toxicity, and enhance quality of life for cancer survivors.
A recent study found that stereotactic radiosurgery (SRS) can improve overall survival and reduce cognitive side-effects in patients with brain metastases from small-cell lung cancer. The study compared outcomes of 5,752 patients who received whole-brain radiation therapy (WBRT) to those of 200 patients who received SRS.
The American Society for Radiation Oncology updates its clinical guideline to recommend concurrent chemotherapy for certain patients with incurable stage III non-small cell lung cancer, improving quality of life and alleviating symptoms. The new guideline also provides recommendations for delivery and dosing of radiation therapy.
Researchers found that ionizing radiation softens extracellular matrix stiffness, reducing cancer growth and migration. This could lead to improved fractionated radiation therapy and targeted drug delivery.
A recent study found that medical students receive little formal instruction in radiation oncology, a crucial aspect of cancer treatment. The study highlights the need for radiation oncologists to take ownership over educating medical students about their specialty's value in patient care. Despite this gap, some departments reported en...
A new study published in JAMA Oncology found that higher doses of radiation therapy did not improve survival rates for patients with intermediate-risk prostate cancer. However, the study did show lower rates of recurrence and tumor growth in the group receiving the higher dose, which could lead to better quality of life.
Recent research from the University of New Hampshire's Space Science Center shows that space radiation is getting far more intense, posing significant risks to astronauts and satellite technology
A UAE research team discovered significantly lower background radiation levels in agricultural topsoil compared to the global average. The study, published in Current Nutrition & Food Science, used gamma-ray spectrometry to measure radiation levels in 145 farm locations across the country.
The new guideline recommends hypofractionated whole breast irradiation (WBI) for most breast cancer patients, regardless of age or tumor stage. This accelerated treatment offers a more convenient and lower-cost option without compromising cancer control or side effects.
A study found that breast cancer patients' initial negative impressions of radiation therapy were often unfounded. The majority of patients reported that short-term side effects were less than or as expected, and long-term side effects were manageable.
Researchers created an organ-on-a-chip model of the human gut to mimic radiation damage and tested a potential radioprotective drug, DMOG. The study found that DMOG significantly reduced cell damage, apoptosis, and intestinal permeability in both epithelial and endothelial cells.
A phase II trial demonstrates the safety and efficacy of de-escalating radiation therapy by 30-35% for patients with HPV-positive disease who respond well to chemotherapy given prior to radiation. Patients experienced excellent survival rates and improved functional outcomes with fewer side effects.
A clinical trial found that nivolumab can be administered safely with radiation therapy and chemotherapy for patients with newly diagnosed local-regionally advanced head and neck cancers. Most patients completed curative-intent radiation therapy and were able to tolerate continuing immunotherapy for up to a year.
Researchers found that standard practices for comparing cervical cancer radiation therapy treatments may be misleading. A new mathematical formula could improve outcomes by providing more accurate predictions and personalization of treatment plans.
Researchers are testing new palliative radiation techniques to spare esophageal effects and improve swallowing function in lung cancer patients. The PROACTIVE trial aims to reduce negative symptoms like heartburn and difficulty swallowing.
A University of Colorado Cancer Center study found low post-treatment mortality rates for both surgery and targeted radiation in early-stage lung cancer patients. Patients over 80 years old showed significantly higher mortality rates with surgery compared to targeted radiation.
Researchers at North Carolina State University have developed a mathematical model for computing radiation therapy treatments that could substantially reduce patient side effects while delivering the same results as conventional radiation therapy. The new approach, known as spatiotemporal fractionation, delivers different doses to part...
Researchers found combining blueberry extract with radiation increases treatment effectiveness for late-stage cervical cancer, reducing healthy cell damage by up to 70%. The study's lead author suggests blueberries as a potential radiosensitizer, a non-toxic chemical that enhances cancer cells' responsiveness to radiation therapy.
A five-year, nearly $12 million study will compare the effectiveness of two radiation treatments for prostate cancer, proton therapy and intensity-modulated radiation therapy (IMRT). The study aims to determine if proton therapy has fewer side effects compared to IMRT.
Researchers at WashU Medicine used noninvasive radiation therapy to treat five patients with ventricular tachycardia, a life-threatening heart rhythm. The treatment resulted in a significant reduction in arrhythmia events, with some patients experiencing no episodes over the course of a year.
A new alternative to sedation for children undergoing radiation therapy has been developed using behavior analysis training, allowing them to stay mostly motionless during treatment. The 'PROMISE' project is testing this method on healthy children under age 10 in a child-friendly laboratory.
A new Northwestern Medicine study shows proton therapy outperforms intensity-modulated radiation therapy (IMRT) in five-year overall survival rates, with a 93.25% rate for proton patients compared to 88.43% for IMRT patients. Proton therapy also reduces complications and secondary malignancies, particularly for younger patients.
A study found that proton beam therapy in combination with chemotherapy prior to surgery reduces postoperative heart and lung problems and mortality rates in elderly patients. Researchers followed 571 patients treated with traditional radiation therapy and chemotherapy followed by surgery at Mayo Clinic Cancer Center.
A study published in Pediatric Blood and Cancer found proton therapy to be as effective as photon radiation while improving quality of life for pediatric head and neck cancer patients. The treatment resulted in similar rates of tumor control and lower rates of toxicity, with no severe side effects reported.
The study found a near doubling of median overall survival (27.8 months) and no grade 3 or higher toxicities for patients receiving higher radiation doses with adaptive MR guided radiation therapy, compared to those receiving lower doses via non-adaptive treatments.
A new study found that Medicaid expansion significantly reduced uninsured rates for cancer patients receiving radiation therapy, with the greatest benefits seen among vulnerable individuals living in high-poverty areas. The uninsured rate dropped by half in fully expanded states and only 5 percent in non-expansion states.
A survey of breast cancer clinic patients found that short- and long-term side effects were often better than anticipated, with 83% and 84% of respondents reporting similar expectations. Women reported lower fears and more positive experiences after treatment, highlighting the need to address misconceptions about radiation therapy.
Mayo Clinic researchers found that reducing radiation therapy intensity by 50% resulted in fewer side effects without compromising survival or cure rates. The study followed 80 patients with HPV-related throat cancer and reported a 95% tumor control rate at two years, with only one regional recurrence.
A phase III trial has confirmed the effectiveness of pelvic radiation as a standard treatment for high-risk stage I-II endometrial cancer. The study found that adjuvant pelvic radiation provided better pelvic control and fewer severe side effects compared to a brachytherapy-chemotherapy combination.
A phase II trial found that patients with HPV-related oropharyngeal cancer who received half the standard radiation dose achieved equally high cure rates at two years, with 95% tumor control and 89% disease-free survival. The reduced treatment also resulted in lower side effects compared to standard therapy.
A phase II trial found that radiation therapy and immunotherapy can halt tumor growth in patients with stage IV cancer, with at least 30% experiencing favorable response. The treatment combination was safe and well-tolerated, with stable disease achieved for half of the patients.
A phase III trial demonstrates a 32 percent overall survival rate at five years, setting a new benchmark for patients with inoperable stage III NSCLC. The trial also confirms that using a higher radiation dose is not beneficial and can lead to detrimental outcomes.
A randomized phase II clinical trial found that adding consolidative stereotactic radiation therapy to chemotherapy significantly increased progression-free survival expectancy nearly tripling it for patients with limited metastatic disease. Treatment-related side effects were similar between the two treatment approaches.
Researchers have discovered that the taxane drug Paclitaxel stimulates a unique form of cell division called tripolar mitosis, which makes tumor cells more sensitive to radiation therapy. This discovery could lead to the development of personalized treatment strategies by identifying patients with high levels of specific biomarkers.
ASTRO has recognized 43 researchers and clinical teams for their top-rated research abstracts, showcasing innovative science in radiation oncology. The Resident Clinical/Basic Science Research Abstract Award and Annual Meeting Travel Award also support early-career scientists, with a total of $45,000 in honorariums awarded.
Researchers discovered that prolonged exposure to ionizing radiation can delay cell cycle and increase DNA repair efficiency, with potential implications for cancer risk reduction. The study found that human stem cells can activate alternative DNA repair mechanisms, such as homologous recombination, in response to prolonged irradiation.
Researchers have identified a genetic rearrangement involving the NF2 gene that causes meningiomas in long-term childhood cancer survivors. The study suggests that cranial-spinal radiation increases the risk of developing aggressive and recurring brain tumors.
A study by MD Anderson Cancer Center found improved survival rates for patients with stage 3 lung cancer treated with concurrent chemotherapy and proton therapy. The treatment reduced toxic effects compared to standard care, with a median overall survival of 26.5 months.
Researchers found that neoadjuvant radiation therapy significantly lowers the risk of developing a second primary tumor in early-stage breast cancer patients. The study also suggests that delaying surgery due to neoadjuvant radiation therapy is not detrimental to survival.
A new study reveals that tadpoles living in low-temperature environments are more susceptible to DNA damage from UV radiation. This increased risk can lead to mutations and cell death, contributing to the global amphibian extinction crisis.
The new clinical guideline provides evidence-based recommendations on the use of stereotactic body radiation therapy (SBRT) for early-stage non-small cell lung cancer. For medically inoperable patients with high-risk clinical scenarios, SBRT is recommended as an alternative to surgery or salvage therapy.
Physicists have developed a way to control high-energy particle emissions in an undulator device, which could potentially be used as a source of radiation for cancer treatment or nuclear waste processing. The new device produces a much higher level of radiation than traditional ones.
Researchers at Moffitt Cancer Center have developed a test called the radiosensitivity index to determine how sensitive a patient's tumor is to radiation therapy. This allows them to select the optimum radiotherapy dose for each patient based on their individual tumor biology.
The study found that low-intensity gamma radiation is only destructive and has a linear correlation in dose-effect coordinates. The duration of exposure is more significant than the absorbed dose in terms of toxic effect on organisms.
Advances in radiation therapy have improved precision by understanding physics and biology. Researchers use supercomputers to simulate radiation dose calculations and develop new technologies like MR-linacs.
A new position paper provides consensus recommendations for ionizing radiation dose optimization in pediatric patients with congenital and acquired heart disease. The guidelines focus on strategies to minimize radiation exposure while maintaining effective imaging procedures.
Researchers at UT Southwestern Medical Center developed a new technique for delivering stereotactic partial breast radiation, which was found to be as safe as traditional radiation while significantly reducing treatment time from six weeks to just five treatments delivered every other day. The study showed outstanding tumor control and...
A team of researchers at the University of Strathclyde has successfully created man-made space radiation in a laboratory setting using laser-plasma-based accelerators. This breakthrough could enable safer and more reliable space exploration by testing devices and equipment in controlled conditions on Earth.
The new ASTRO clinical practice guideline provides recommendations for the management of oropharyngeal cancer, including optimal radiation dose and fractionation schedules, chemotherapy integration, and post-operative treatment. The guideline aims to improve treatment outcomes while minimizing long-term side effects.
A new study at the University of California found that assessing and comparing radiation doses across hospitals can lead to significantly lower doses for common CT scans. The project resulted in substantially lower radiation doses for chest and abdominal scans, as well as more consistent radiation doses for head scans.
A study on reduced radiotherapy in young children with brain tumors found that deviations from the treatment protocol led to poorer outcomes. Children who received radiation therapy according to protocol had improved overall survival rates.