Current Radiation Oncology News and Events | Page 24

Current Radiation Oncology News and Events, Radiation Oncology News Articles.
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Higher doses of radiation don't improve survival in prostate cancer
A new study shows that higher doses of radiation do not improve survival for many patients with prostate cancer, compared with the standard radiation treatment. The analysis, which included 104 radiation therapy oncology groups across North America, was led by researchers at Washington University School of Medicine in St. Louis. (2018-03-15)

Improved capture of cancer cells could aid in disease tracking
In the journal Clinical Cancer Research, researchers reported that by forcing cancer cells to slow down and developing stronger molecular traps for them, they could identify large numbers of the cells in cancer patients undergoing radiation therapy. (2018-03-15)

Area surrounding a tumor impacts how breast cancer cells grow
A research team from Oregon Health & Science University, led by Joe Gray, Ph.D. and Jim Korkola, Ph.D. discover a tumor's 'microenvironment' plays a critical role in how HER2 positive breast cancer responds to treatment. (2018-03-14)

Obesity may promote resistance to antiangiogenic therapy for breast cancer
A research team led by Massachusetts General Hospital investigators has found, for the first time, that obesity and obesity-related molecular factors appear to induce resistance to antiangiogenic therapy in breast cancer patients and in mouse models of the disease. (2018-03-14)

Background radiation in UAE's agricultural topsoil found to be lower than global average
The first civilian nuclear power plant in the Eastern Region of Arabian Desert, and specifically in the United Arab Emirates (UAE), will be operating four reactors between (2018- 2020). Before the construction of any regulated nuclear facility, it is essential to investigate the environmental background radiation level in the country. This study determines the primordial radionuclides concentrations obtained from 145 soil samples collected from multiple agriculture farms in the UAE. (2018-03-13)

Precision oncology in advanced cancer patients improves overall survival
Resource use intensity for patients in the targeted group was lower in both higher-cost, acute settings such as inpatient and ER as well in the lower acuity outpatient setting, compared to control patients. (2018-03-12)

How brightly colored spiders evolved on Hawaii again and again...and again
Stick spiders with similar traits -- yellow and red coloring, for example -- live on different Hawaiian islands but aren't each other's closest relatives; they are a rare instance where a physical form has evolved separately on each island, according to a new study by scientists at the University of California, Berkeley. (2018-03-08)

Survivors of childhood cancer are at great risk of heart problems in adulthood
A study of nearly 1,000 survivors of childhood cancer has found that they are at increased risk of suffering prematurely from cardiovascular disease in adulthood. Childhood cancer survivors had a nearly two-fold increased risk of cardiovascular diseases such as congestive heart failure and venous thromboembolism, and were at increased risk of having high blood pressure and dyslipidaemia. The study is published in the European Heart Journal. (2018-03-08)

New prostate cancer risk model could better guide treatment
A new model developed by Michigan Medicine researchers could change treatment guidelines for nearly two-thirds of men with localized prostate cancer. (2018-03-07)

Treating hypothyroidism to stop a stubborn surgical complication
For the first time, researchers have linked radiation-damaged thyroid glands to poor surgical outcomes. The solution may be as simple as a common hormone supplement. (2018-03-07)

'Fighting my cancer as much as possible': Why many patients join phase 1 clinical trials
'Fighting my cancer as much as possible' is why many patients participate in early stage clinical trials, according to research presented at the TAT (Targeted Anticancer Therapies) International Congress 2018 in Paris, France. (2018-03-05)

Astronomers detect earliest evidence yet of hydrogen in the universe
MIT and ASU astronomers have detected the earliest signs of hydrogen in the universe, suggesting first stars appeared around 180 million years after the Big Bang. (2018-02-28)

Most breast cancer patients' experiences with radiation therapy are better than expected
A new study reveals that many patients with breast cancer have misconceptions and fears about radiation therapy, but their actual experiences with modern breast radiation therapy are better than they expected. (2018-02-26)

Precision cancer therapy effective in both children and adults
Three quarters of patients, both adults and children, with a variety of advanced cancers occurring in different sites of the body responded to larotrectinib, a novel therapy that targets a specific genetic mutation. Results of a phase 1/2 trial have been published in the New England Journal of Medicine. Unlike most cancer therapies, this oral treatment is based on the genetic traits of the tumor and not the organ where the cancer originated. (2018-02-21)

Hospital charges for outpatient cancer care highly variable, Medicare billing records show
An analysis of recent Medicare billing records for more than 3,000 hospitals across the United States shows that charges for outpatient oncology services such as chemo infusion or radiation treatment vary widely and exceed what Medicare will pay by twofold to sixfold. (2018-02-20)

No relation between a supermassive black hole and its host galaxy!?
Using ALMA to observe an active galaxy with a strong ionized gas outflow from the galactic center, a team led by Dr. Toba of ASIAA (Taiwan) has obtained a result making astronomers even more puzzled -- the team clearly detected CO gas associated with the galactic disk, yet they have also found that the CO gas which settles in the galaxy is not affected by the strong ionized gas outflow launched from the galactic center. (2018-02-20)

Pulsating Aurora mysteries uncovered with help from NASA's THEMIS mission
The precise mechanism driving pulsating auroras, long unknown, has now been identified with help from NASA's THEMIS mission. (2018-02-20)

New research highlights how cancer cells repair themselves following proton beam therapy
Collaborative research conducted in Liverpool and Oxford, published in The Red Journal, identifies the specific cellular process that helps cancer cells damaged as a result of proton beam therapy, repair themselves. (2018-02-15)

Australian fire beetle avoids the heat
The Australian jewel beetle Merimna atrata has several heat sensors. Originally it was thought that it uses them to detect forest fires as the insect lays its eggs in the wood of burned eucalyptus trees. Researchers at the University of Bonn were finally able to refute this hypothesis. Instead, the beetle appears to need its heat sensors for a different purpose: to not burn its feet on landing. The study has now been published in the journal PLOS ONE. (2018-02-15)

Cutting off cervical cancer's fuel supply stymies tumors
Researchers at Washington University School of Medicine in St. Louis have shown that cervical tumors that don't respond to radiation may be vulnerable to therapies that also attack the cancer's fuel supply. (2018-02-14)

Patients lack information about imaging exams
Patients and their caregivers desire information about upcoming imaging examinations, but many are not getting it, according to a new study. The researchers found that half of all patients and caregivers end up seeking information on their own. (2018-02-13)

Nivolumab immunotherapy safe, feasible during chemoradiation for adv. head and neck cancer
Analysis of a clinical trial, RTOG Foundation 3504, finds that nivolumab immunotherapy can be administered safely in conjunction with radiation therapy and chemotherapy for patients with newly diagnosed local-regionally advanced head and neck cancers. (2018-02-13)

Cabozantinib shows significant first-line activity for differentiated thyroid cancer
Results of a new phase II clinical trial indicate that cabozantinib offers an active therapy option for patients with differentiated thyroid cancer (DTC) that has progressed following surgery and treatment with radioactive iodine (RAI). Thirty-four of 35 patients in the trial experienced a reduction in tumor size following treatment with the targeted kinase inhibitor, and more than half experienced reductions in excess of 30 percent. (2018-02-13)

Phase II trial shows activity of durvalumab in recurrent/metastatic head and neck cancer
Analysis of the phase II CONDOR trial indicates that the immune checkpoint inhibitor durvalumab is tolerable among heavily pre-treated patients with recurrent or metastatic head and neck cancer and has the potential to slow growth in tumors with low or negative expression of the PD-L1 protein. (2018-02-13)

Lower-dose radiation effective, safe for HPV+ head & neck cancer after induction chemo
Results of the phase II OPTIMA clinical trial indicate that patients with head and neck cancers associated with the human papillomavirus (HPV), including those with advanced nodal disease, can receive substantially lower radiation doses safely and effectively if they respond to induction chemotherapy initially. (2018-02-13)

Smart bomb virus shows promise as brain tumor immunotherapy
A common cold virus engineered to attack the most common and deadly of brain tumors allowed 20 percent of patients with recurrent glioblastoma to live for three years or longer, researchers from The University of Texas MD Anderson Cancer Center report on a phase I clinical trial in the Journal of Clinical Oncology. (2018-02-12)

Black patients more likely to be excluded from prostate cancer trials
Study finds nearly half of all prostate cancer randomized clinical trials use lab results that are more likely to exclude black patients due to racial variations in laboratory values. (2018-02-08)

Intense laser experiments provide first evidence that light can stop electrons
By hitting electrons with an ultra-intense laser, researchers have revealed dynamics that go beyond 'classical' physics and hint at quantum effects. (2018-02-07)

Clocking electrons racing faster than light in glass
Living life in the fast lane can be tremendously exciting, giving us the 'time of our lives' but how long does it really last? Experiments at the Tata Institute of Fundamental Research (TIFR), Mumbai have answered this question for a bunch of electrons traveling faster than light (fasten your seatbelts!) through a piece of glass. This study has appeared in the Physical Review Letters on 5 February 2018. (2018-02-06)

Advances open new frequency range for wireless communications
The 'internet of things,' which make everything from your toaster to your front door accessible online, has driven an explosion in data traffic and taken up huge amounts of bandwidth. However, a new range of frequencies in the terahertz region of the spectrum may soon be available for use. A paper in this week's APL Photonics demonstrates the feasibility of using THz carrier waves for data transmission in diverse situations and environments. (2018-02-06)

The future of wireless communications is terahertz
Electrical and optical engineers in Australia have designed a novel platform that could tailor telecommunication and optical transmissions. They experimentally demonstrated their system using a new transmission wavelength with a higher bandwidth capacity than those currently used in wireless communication. Reported this week in APL Photonics, these experiments open up new horizons in communication and photonics technology. (2018-02-06)

A new radiation detector made from graphene
Graphene is a remarkable material: light, strong, transparent and electrically conductive. It can also convert heat to electricity, and researchers have recently exploited this thermoelectric property to create a new kind of radiation detector. Classified as a bolometer, the new device has a fast response time and works over a wide range of temperatures. With a simple design and relatively low cost, this device could be scaled up, enabling a wide range of commercial applications. (2018-02-06)

VCU scientists seek to perfect calculations for comparing cervical cancer radiation doses
Research from VCU Massey Cancer Center has found that one of the standard practices for comparing cervical cancer radiation therapy treatments may be misleading, and the use of an alternative mathematical formula could be used to more effectively predict and potentially improve outcomes for patients. (2018-02-06)

New algorithm decodes spine oncology treatment
Experts explain their approach to treating patients who are living longer with cancer that has spread to the spine, as the options for metastatic spine tumors increase. (2018-02-06)

Scientists explain the impacts of aerosol radiative forcing
Aerosol optical properties and direct radiative effects on surface irradiance were examined using seven years (2006-2012) of Cimel sunphotometer data collected at Panyu--the main atmospheric composition monitoring station in the Pearl River Delta (PRD) region of China. Optical properties and radiative impacts of the absorbing particles can be used to improve the accuracy of inversion algorithms for satellite-based aerosol retrievals in the PRD region and to better constrain the climate effect of aerosols in climate models. (2018-02-05)

Adding crizotinib to radiation therapy may help preserve hearing in patients with NF2
A Massachusetts General Hospital research team reports that the use of crizotinib to block a specific molecular pathway both enhanced the radiosensitivity of tumors in mouse models of NF2, allowing a reduction in radiation dosage, and inhibited the growth of cultured tumor cells from NF2 patients. (2018-02-05)

New focus on where heart disease and breast cancer treatment meet
The American Heart Association has released the first scientific statement about heart disease and breast cancer, calling for more research and collaboration between the fields of oncology and cardiology to treat and prevent both diseases. (2018-02-01)

Cancer patients: Web-based help improves quality of life
A diagnosis of cancer causes huge psychological stress, but many patients do not receive any psychological support. An online stress management program can significantly improve their quality of life, as shown by a study conducted by researchers from the University of Basel and University Hospital Basel, and published in the Journal of Clinical Oncology. (2018-01-31)

Early benefit assessments: 220th dossier assessment completed by the turn of the year
A host of dossiers assessed by IQWiG to date have addressed oncology drugs. Despite their significance, other diseases, e.g. Alzheimer dementia, are underrepresented. (2018-01-31)

MD Anderson study evaluates need for biopsies during follow-up care in women with early breast cancer
In an analysis of more than 120,000 women diagnosed with and treated for early-stage breast cancer, researchers from The University of Texas MD Anderson Cancer Center determined the rate of additional breast biopsies needed for these patients during their follow-up care. The findings, reported in JAMA Surgery, are the first comprehensive nationwide population-based study regarding the need for breast biopsies performed during follow up after treatment for invasive breast cancer. (2018-01-31)

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