A new analysis shows the drug finasteride will save lives if given to men to prevent prostate cancer. Published in the April 1, 2005 issue of CANCER, a peer-reviewed journal of the American Cancer Society, the new analysis of data from the Prostate Cancer Prevention Trial (PCPT), says that any possible increase in the incidence of higher-grade tumors would be more than offset by an overall reduction in the number of prostate cancer cases in the general population.
The recent results from the PCPT represent a milestone in cancer research, showing that prostate cancer could be prevented through chemoprevention. The study found the commonly used drug finasteride reduced the incidence of prostate cancer by 24.8 percent compared to a placebo. However, a possible increase in the number of high-grade tumors in the trial prompted many to question whether any benefits of the drug would be offset by an increase in mortality related to the higher-grade tumors. No difference in mortality was seen during the 7 years of PCPT.
To explore the problem, Joseph M. Unger, M.S. and a team of researchers from the Southwest Oncology Group Statistical Center at the Fred Hutchinson Cancer Research Center in Seattle, WA analyzed Surveillance, Epidemiology, and End Results (SEER) registry data and applied the results from the PCPT.
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02.12.2016 | Fraunhofer-Institut für Angewandte Informationstechnik FIT
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18.11.2016 | University of Vermont
Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
Topological insulators are currently the hot topic in physics according to the newspaper Neue Zürcher Zeitung. Only a few weeks ago, their importance was...
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
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