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Complete records from 1037 CLL patients were retrospectively collected to estimate OS and time to treatment (TTT). Cox models were used to test the independence of age, ��-2-microglobulin, absolute lymphocyte count (ALC), sex, Rai stage and number of involved lymph node regions (LNR). Accuracy of prognostic models was tested with the concordance index (c-index). Median follow-up was 5.5 years, with 151 deaths and 475 treated http://www.selleckchem.com/products/ABT-263.html patients. Median OS was not reached (65% survival rate at 13.9 years), median TTT was 6 years. We confirmed the ability of the prognostic score to predict OS and TTT in three risk groups, with results comparable with those reported in the original report. However, ALC and Rai stage were not independent predictors, whereas the Binet staging system, which incorporates LNR variable, showed independent predictive power; furthermore, both 5- and 10-year OS estimates from nomogram were lower compared to real data. When separately analysed, the impact of therapy on OS was not selected as independent predictor of OS in our series. According to these results, we proposed a simpler four-variable model (age, sex, Binet staging, ��-2-microglobulin) and a new nomogram. This model had a c-index of 0.78 versus 0.76 of the six-variable model (p?=?0.043), showing better predictive accuracy. External validation and refinement are needed on independent http://www.selleckchem.com/products/MK-2206.html data sets, possibly from cancer registry patients' series. Copyright ? 2010 John Wiley & Sons, Ltd. ""The purpose of this study was to evaluate the effect of oral zinc sulfate in the prevention of chemotherapy-induced mucositis in patients undergoing hematopoietic stem-cell transplantation (HSCT). This study was a double-blind, randomized, placebo-controlled design, with 60 patients undergoing HSCT, divided proportionally in experimental group who received zinc sulfate, and in placebo group. They all had received high-dose chemotherapy conditioning regimen for allogenic transplantation. Oral mucositis assessed was based on World Health Organization (WHO) oral mucositis scale. There were no significant differences in the development of mucositis between the two groups. Severity of mucositis was not significantly different between the two groups either. The same result was obtained regarding the duration of mucositis. Zinc sulfate did http://www.selleck.cn/products/Erlotinib-Hydrochloride.html not show any significant adverse effects in experimental group. In conclusion, Zinc sulfate did not have any clinical benefits in prevention or reduction of severity, and duration of high-dose chemotherapy-induced mucositis in patients undergoing HSCT. Copyright ? 2011 John Wiley & Sons, Ltd. ""Patients with aplastic anemia (AA) or myelodysplastic syndrome (MDS) often have persistent severe neutropenia and are susceptible to infectious complications. We retrospectively reviewed the clinical course of patients with AA or MDS who had neutropenia (neutrophil count?