A two-drug combination therapy, involving a fluoroquinolone antibiotic and rBPI21, has shown promising results in mice with radiation exposure. The treatment was effective even when administered a day after the exposure, offering hope for rapid response to public health threats.
Researchers found that taking a probiotic before radiation therapy can protect the intestine from damage in mice, and may help prevent similar problems in human patients. The probiotic Lactobacillus rhamnosus GG protected the lining of the small intestine in mice exposed to radiation.
Researchers have developed a new hybrid detector that can monitor alpha, beta, and gamma radiation simultaneously. The device uses three scintillators to distinguish between the different types of radiation, allowing it to provide accurate counts for all three simultaneously.
Men with locally advanced or high-risk prostate cancer who receive combined radiation and hormone therapy live longer and are less likely to die from their disease. The treatment improved overall survival by 23% and disease-specific survival by 43% compared to hormone therapy alone.
Early-stage laryngeal cancer patients receiving primary surgery have a higher four-year survival rate compared to those treated with radiation. Meanwhile, chemotherapy combined with radiation therapy has seen increased use in advanced-stage patients, improving their survival rates.
A study by Fox Chase researchers found that a portion of the prostate bed is outside IMRT treatment margins in post-prostatectomy patients, suggesting too little treatment in the target area and too much in surrounding structures. The Calypso system helps ensure precise delivery within narrow treatment margins.
A randomized phase III trial found that higher doses of radiation therapy do not improve overall survival for stage III non-small cell lung cancer patients. The standard dose of radiation therapy (60 Gy) was shown to be sufficient and effective in treating the disease.
Researchers at Fox Chase Cancer Center have developed a new technique for delivering radiation therapy using a multileaf collimator, significantly reducing treatment time and minimizing radiation exposure to surrounding tissues. The new method achieves better target coverage and dose sharpness than traditional CyberKnife technology.
G-Zero Therapeutics, a UNC spin-off, has received a $3 million Small Business Innovation Research Grant to commercialize technology protecting patients from cellular damage caused by radiation or cancer chemotherapy. The grant will fund the development of treatments for bone marrow toxicity resulting from radiation and chemotherapy.
A study found that men treated with IMRT had 26% fewer late bowel and rectal side effects than those receiving 3D-CRT. The treatment also showed a statistically significant decrease in acute toxicity.
A new 'CAP50' regimen combining chemotherapy and radiation before surgery shows promise in reducing rectal cancer recurrence risk by 88% three years after treatment. The study found that the increase in radiation dose did not extend treatment duration, while avoiding side effects.
A randomized trial found that a shorter radiation course for prostate cancer with hypofractionation is as effective as conventional radiation therapy at five years after treatment. The study used intensity modulated radiotherapy (IMRT) to limit dose to normal tissues, reducing side effects.
A team of researchers evaluated the effect of low-power Terahertz radiation on mouse stem cells, finding temperature increases were minimal and heat shock protein expression was unaffected. However, certain genes showed clear effects from THz irradiation, suggesting further investigations are needed to generalize findings.
Experts offer practical strategies for reducing radiation dose in chest CT scans, including stratifying protocols based on clinical indications and limiting scan length. Pediatric CT scans require lower doses compared to adult patients, and using appropriate scan parameters can further reduce radiation exposure.
Researchers at Fox Chase Cancer Center found that IMRT improved treatment outcomes for patients with extranodal lymphoma of the head and neck, with minimal side effects. The study showed high response rates and no severe dry mouth, relapses, or tissue abnormalities.
A community hospital implemented a comprehensive CT radiation dose reduction program, reducing effective doses by up to 64% in certain protocols. The program's key strategies included ensuring proper scanner functionality, trained staff, monitoring, and education.
Researchers found two genetic variations linked to increased risk of second cancers in childhood Hodgkin's lymphoma patients treated with radiation. These markers appear to decrease activation of the PRDM1 gene, which can protect against cancer when exposed to radiation.
The American Society for Radiation Oncology (ASTRO) has awarded five physicians with research grants to support their career development and research in radiation oncology. This year's winners include Abhijit Patel, MD, PhD, and David Kozono, MD, PhD, who will receive a $100,000 award over two years.
The American Society for Radiation Oncology has published a white paper to improve the safe use of IMRT, which requires more time and resources from cancer clinics. The report provides practical guidance to strengthen IMRT programs, reducing errors and improving treatment outcomes.
A new study published in the New England Journal of Medicine found that combining short-term hormone therapy (ADT) with radiation therapy significantly improves overall survival rates for men with intermediate-risk prostate cancer. The treatment also resulted in a 10% reduction in disease-specific deaths among high-risk patients.
A University of Michigan study found that breast cancer patients may be underreported for radiation treatment after breast-conserving surgery, with discrepancies in the SEER database affecting up to 1 in 5 cases. The study highlights the need for improved data accuracy to inform clinical decision-making and policy.
The US Department of Homeland Security has developed a miniaturized radiation dosimeter that can be stored on a credit-card-sized plastic card. This device, dubbed the Citizen's Dosimeter, can measure radiation exposure in real-time and provide life-saving early detection in nuclear accidents or dirty bomb incidents.
A new study by Thomas Jefferson University researchers finds that receiving radiation therapy immediately after a radical prostatectomy is a cost-effective treatment for prostate cancer patients. Urologists were less likely than radiation oncologists to recommend adjuvant radiation therapy or believe it improves overall survival.
Researchers found that women with estrogen receptor negative cancers who did not receive radiation were 91% more likely to die from breast cancer. There is a corresponding increase in the use of radioactive implants for these patients.
A multicenter clinical trial found stereotactic body radiation therapy (SBRT) to be an effective treatment option for patients with localized prostate cancer, delivering results in just five 30-minute sessions. The study's findings suggest that higher doses of radiation are safe and can lead to improved outcomes.
Researchers discover natural compound acetyl resveratrol protects mice from radiation damage, potentially overcoming existing drug's limitations. The substance can be easily produced in large quantities and administered orally.
A new study finds that breast shields can significantly reduce skin entrance radiation dose to the breast by up to 38% without increasing overall radiation dose. This technique is considered the best method for protecting women from radiation exposure during chest CT examinations.
A study found that a pelvic MRI scan can identify local recurrence in prostate cancer patients with rising or persistently elevated PSA levels. About one-third of these patients have a low PSA level of less than 1, making it possible to treat them with higher doses and potentially increasing cure rates.
Pediatric cancer patients receive more accurate treatment delivery with proton radiography, reducing radiation exposure compared to standard diagnostic X-rays and cone beam CT. Proton imaging also enables real-time tumor tracking during treatment, benefiting children's sensitive growing bodies.
Researchers found that tissue spacers significantly reduced the rectal dose administered to patients receiving radiation therapy for prostate cancer. This led to minimal damage to the rectum, enabling radiation oncologists to increase treatment doses without concern.
A study found that Medicare reimbursement policy significantly affects the use of costly breast cancer therapy, including intensity-modulated radiation therapy (IMRT). The analysis showed a sharp increase in IMRT usage and costs between 2001 and 2005, with billing rates varying by region and treatment setting.
The American Society for Radiation Oncology (ASTRO) has developed a guideline for palliative thoracic radiation therapy to treat advanced lung cancer. The guideline recommends various regimens of thoracic external beam radiation therapy as effective for symptom palliation, but not endobronchial brachytherapy or concurrent chemotherapy.
The Society of Interventional Radiology prioritizes patient safety through education and research on radiation dosage reduction. New articles explore techniques to optimize radiation use without compromising quality care.
Thomas Jefferson University researchers show intensity-modulated radiotherapy (IMRT) delivers higher doses to the prostate bed while sparing surrounding tissue, leading to improved PSA levels and reduced side effects. The study fills a gap in documentation of this technique's benefits for post-operative patients.
A cancer specialist at Children's Hospital Los Angeles has been awarded $1.7 million by the NCI to develop a new strategy to overcome resistance of cancer cells to radiation therapy. The goal is to create personalized radiation therapy regimens with fewer side effects.
A study found that cosmic radiation accelerates atherosclerosis development in mice, worsening existing lesions. This discovery could inform treatment and prevention strategies for long-duration space missions.
A Wayne State University study found that soy isoflavones can sensitize cancer cells to radiation while protecting normal tissue. The study demonstrated that soy isoflavones can block DNA repair mechanisms in cancer cells, leading to increased killing of lung cancer cells by radiation
Researchers discovered that ionizing radiation drives overexpression and activity of MET through the ATM and NF-κB signaling pathways, making some tumor cells resistant to radiation. Inhibiting MET counteracted this increased invasiveness, promoting apoptosis in tumor cells and enhancing the effect of radiation.
A recent study published in the Journal of Thoracic Oncology found that soy isoflavones can sensitize cancer cells to radiation, increasing killing efficiency while protecting normal lung tissue from damage. Researchers used a soy mixture consisting of genistein, daidzein and glycitein to demonstrate this effect.
A study found that dialysis patients receive high doses of radiation, increasing their cancer risk. The researchers recommend tracking radiation exposure to develop alternative strategies and justify CT scans.
A culture of safety is crucial for reducing the chances of medical errors in radiation therapy, according to an article in Practical Radiation Oncology. By implementing principles such as automation, standardization, and checklists, teams can minimize risks and improve patient safety.
The American Society for Radiation Oncology's new journal, Practical Radiation Oncology (PRO), has published its inaugural issue. PRO will provide a forum for radiation oncologists to share information on current practices and advancements in the field. The journal aims to improve the quality of radiation oncology practice through disc...
A study comparing photon-based and proton-beam radiation therapies found that photon-based therapy resulted in better long-term survival rates, particularly among younger patients and those with ependymomas. The research suggests a potential shift in treatment guidelines for spinal cord glioma patients.
Researchers compared treatment outcomes of elderly patients with early-stage lung cancer treated with either surgery or stereotactic radiation therapy. The study found that both treatments had similar long-term survival rates, but surgery had a higher risk of mortality in the first 30 days.
A recent study suggests that radiation exposure from CT scans is lower than previously estimated, with cancer incidences related to ionizing radiation found to be 0.02% and 0.04% in two groups.
A new study found that patients with head and neck cancer who have never smoked have significantly better survival rates and fewer treatment complications than smokers. The researchers suspect that human papillomavirus may play a role in this difference.
A study of 282 individuals found that radiation therapy for head and neck cancer can cause significant hearing loss, with severe cases affecting daily life. The research highlights the need to consider hearing loss as a potential health issue in cancer patients undergoing treatment.
A study in JAMA found that multiple cardiac imaging tests are common and associated with a high cumulative estimated radiation dose for patients. The study revealed that myocardial perfusion imaging (MPI) accounts for the highest radiation burden, with many patients receiving doses over 100mSv.
A new protocol significantly reduced radiation exposure in children undergoing electrophysiology procedures, with a 22% reduction in X-ray machine time and 52% reduction in dose entering the skin. The protocol also showed a 51% reduction in median effective dose, correlating to decreased lifetime cancer risk.
Scientists have successfully created an optical analogue of Hawking radiation using a laser beam and glass target. This experiment confirms the theoretical predictions of Hawking radiation, which is emitted by black holes but difficult to detect.
A new study combining stereotactic body radiotherapy (SBRT) with chemotherapy Cetuximab effectively controls and treats recurrent head and neck cancers. The regimen reduces treatment time while minimizing debilitating side effects.
Researchers found that levels of a prostate-specific protein up to 18 months after salvage radiation therapy predict mortality and disease progression. Patients with rising PSA levels are at higher risk of spread and death, while those with stable levels may not require immediate hormonal therapy.
A new method for extracting and archiving CT radiation dose information enables providers to track estimated radiation doses, make informed health care decisions, and improve patient safety. The automated extraction pipeline can process both retrospective and prospective studies.
Researchers at Henry Ford Hospital found stereotactic body radiotherapy (SBRT) to be an effective treatment option for inoperable pancreatic cancer patients, slowing disease progression by almost six months. SBRT provides a highly targeted cancer radiation therapy with minimal side effects.
Researchers at Fox Chase Cancer Center found that hypofractionated radiation therapy does not increase urinary or gastrointestinal problems. This new treatment approach delivers a higher total dose of radiation in fewer sessions, without compromising quality of life.
Researchers at Fox Chase Cancer Center found that precisely targeted radiation therapy is a safe and effective treatment for paranasal sinus cancer, controlling the disease with fewer serious side effects. The study used intensity-modulated radiation therapy (IMRT) to minimize damage to surrounding healthy tissues.
Physicist Lei Ren received the Basic Science Abstract Award for his research on reducing radiation therapy imaging dose by optimizing cone beam computed tomography (CT) usage. The new technique aims to lower imaging doses by eightfold, improving treatment outcomes for lung cancer patients affected by breathing motion during treatment.
A new study from the University of Pennsylvania School of Medicine found that intensity modulated radiation therapy (IMRT) minimizes gastrointestinal complications in prostate cancer patients. The study compared IMRT to three-dimensional conformal radiotherapy and found that men treated with IMRT had fewer serious bowel complications.
Stereotactic radiation is a proven alternative to surgery or anti-epileptic drugs for treating trigeminal neuralgia in MS patients. The study shows that radiosurgery using Gamma Knife is highly effective in reducing pain and improving quality of life for those affected.
A large randomized study found that preoperative radiation therapy significantly reduces the risk of local recurrence after 10 years for patients with rectal cancer. The treatment, combined with total mesorectal excision surgery, keeps colorectal cancer from returning in 50% of cases.