6 research outputs found
Radical Cystectomy vs. Radiotherapy in Urothelial Bladder Cancer in Elderly and Very Elderly Patients
Introduction: Controversy regarding cancer-specific mortality (CSM) of elderly and very elderly patients with muscle-invasive, non-metastatic, urothelial carcinoma of the urinary bladder (UCUB) undergoing radical cystectomy (RC) vs radiotherapy (RT) still exists. Materials and Methods: In the 2004-2016 Surveillance, Epidemiology and End Results (SEER) database, we identified 2663 UCUB patients aged 75-79 (1808 RC vs 855 RT) and 3569 UCUB patients aged 80-89 (1551 RC vs 2018 RT). After stratification for concomitant chemotherapy, propensity score matching (PSM) between RC and RT was applied and competing-risks regression models addressed CSM and OCM. Results: In the cohort aged 75-79, five-year CSM rates were 22.0 vs 49.0% for RC only vs RT only and yielded a HR of 0.41 (95% confidence interval (CI) 0.30-0.57, p<0.001) favoring RC only. Five-year CSM rates were 28.3 vs 44.3% for RC with chemotherapy vs trimodal therapy (TMT) and yielded a HR of 0.48 (95% CI 0.35-0.65, p<0.001) favoring RC with chemotherapy. In the cohort aged 80-89, five-year CSM rates were 24.2 vs 48.9% for RC only vs RT only and yielded a HR of 0.42 (95% CI 0.33-0.52, p<0.001) favoring RC only. Five-year CSM rates were 19.6 vs 43.2% for RC with chemotherapy vs TMT and yielded a HR of 0.43 (95% CI 0.28-0.67, p<0.001) favoring RC with chemotherapy. Conclusions: In elderly and very elderly patients, radical cystectomy is associated with virtually half the CSM rate than radiotherapy, regardless of concomitant chemotherapy administration
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Mu2e Conceptual Design Report
Mu2e at Fermilab will search for charged lepton flavor violation via the
coherent conversion process mu- N --> e- N with a sensitivity approximately
four orders of magnitude better than the current world's best limits for this
process. The experiment's sensitivity offers discovery potential over a wide
array of new physics models and probes mass scales well beyond the reach of the
LHC. We describe herein the conceptual design of the proposed Mu2e experiment.
This document was created in partial fulfillment of the requirements necessary
to obtain DOE CD-1 approval, which was granted July 11, 2012