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List A.F.,H. Lee Moffitt Cancer Center and Research Institute | Bennett J.M.,James lmot Cancer Center | Sekeres M.A.,Cleveland Clinic | Skikne B.,Celgene | And 5 more authors.
Leukemia | Year: 2014

Lenalidomide is the approved treatment for patients with red blood cell (RBC) transfusion-dependent lower-risk myelodysplastic syndromes (MDS) and chromosome 5q deletion (del(5q)). We report the long-term outcomes (median follow-up 3.2 years) in patients treated with lenalidomide in the MDS-003 trial. RBC transfusion independence (TI) ≥8 weeks was achieved in 97 of 148 treated patients (65.5%), with a median response duration of 2.2 years. Partial or complete cytogenetic response was achieved by 63 of 88 evaluable patients (71.6%). Median overall survival (OS) was longer in patients achieving RBC-TI ≥8 weeks (4.3 vs 2.0 years in non-responders; P<0.0001) or cytogenetic response (4.9 vs 3.1 years in non-responders; P=0.010). Time to acute myeloid leukemia (AML) progression was longer in patients achieving RBC-TI ≥8 weeks or any cytogenetic response versus non-responders (P=0.001 and P=0.0002, respectively). In a landmark multivariate analysis, RBC-TI ≥8 weeks was associated with prolonged OS (P<0.001) and a trend toward reduced relative risk of AML progression (P=0.080). Among these lower-risk MDS patients with del(5q), lenalidomide was associated with prolonged RBC-TI and cytogenetic responses, which were linked to improved OS and reduced risk of AML progression. © 2014 Macmillan Publishers Limited. All rights reserved. Source


Call T.G.,Mayo Medical School | Norman A.D.,Mayo Medical School | Hanson C.A.,Mayo Medical School | Achenbach S.J.,Mayo Medical School | And 10 more authors.
Cancer | Year: 2014

BACKGROUND The 1996 National Cancer Institute Working Group (NCI-WG 96) guidelines classified disease in individuals who had a B-cell clone with chronic lymphocytic leukemia (CLL) immunophenotype as CLL if their absolute lymphocyte count was ≥5×109/L. The 2008 International Workshop on CLL guidelines (IWCLL 2008) classified disease as CLL if the absolute B-cell count was ≥5×109/L or as monoclonal B-cell lymphocytosis (MBL) if the absolute B-cell count was <5×109/L. The objective of the current study of Olmsted County, Minnesota, was to assess the effects of these changes on incidence rates and presentation from 2000 to 2010. METHODS Using diagnostic indices available through the Rochester Epidemiology Project and the Mayo CLL database, the authors identified all patients with newly diagnosed CLL and high-count MBL from 2000 to 2010. Age-specific and sex-specific incidence rates were determined. RESULTS According to NCI-WG 96 criteria, there were 115 patients with CLL and 8 patients with MBL during the period studied. Using the IWCLL 2008 classification, there were 79 patients with CLL and 40 patients with MBL. Rai stage distribution (low risk, intermediate risk, and high risk) using NCI-WG 96 criteria was 60.9%, 33.9%, and 5.2%, respectively, compared with 43%, 49.4%, and 7.6%, respectively, using IWCLL 2008 criteria. The age-adjusted and sex-adjusted incidence rates (per 100,000) for CLL and MBL were 10.0 and 0.66, respectively, using NCI-WG 96 criteria versus 6.8 and 3.5, respectively, using IWCLL 2008 criteria. The median time to treatment according to NCI-WG 96 criteria was 9.2 years versus 6.5 years with IWCLL 2008 criteria. CONCLUSIONS Use of the IWCLL 2008 guidelines reduced the incidence of CLL, altered the distribution of initial Rai stage at diagnosis, and shortened the median time to treatment. Cancer 2014;120:2000-2005. © 2014 American Cancer Society. Source


Komrokji R.S.,H. Lee Moffitt Cancer Center and Research Institute | Zhang L.,H. Lee Moffitt Cancer Center and Research Institute | Bennett J.M.,James lmot Cancer Center
Hematology/Oncology Clinics of North America | Year: 2010

Myelodysplastic syndromes (MDS) are spectrum of bone marrow failure disorders that share a common pathologic feature: cytologic dysplasia. The classification of MDS reflects the understanding of the disease. It is hoped that in the future classification and risk stratification will be based on underlying pathobiology of different disease subsets and molecular signatures where the pathologic classification represents their phenotype. This article reviews MDS classification and risk stratification highlighting differences between the various systems. © 2010 Elsevier Inc. Source


Kumar A.,Dana-Farber Cancer Institute | Vanderplas A.,City of Hope National Medical Center | Lacasce A.S.,Dana-Farber Cancer Institute | Rodriguez M.A.,University of Houston | And 10 more authors.
Cancer | Year: 2012

BACKGROUND: Little is known about the utility of central nervous system (CNS) prophylaxis for diffuse large B-cell lymphoma (DLBCL) in the rituximab era. The objective of this study was to characterize patterns of CNS prophylaxis for patients who received combined rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) chemotherapy using the National Comprehensive Cancer Network Non-Hodgkin Lymphoma Outcomes Database, a prospective cohort study that collects clinical and outcomes data for patients at 7 participating centers. METHODS: Patients who were eligible for this analysis presented with newly diagnosed DLBCL between January 2001 and July 2008, had no evidence of baseline CNS disease, and had received R-CHOP within 180 days of diagnosis. The authors assessed incidence and covariates of prophylaxis, prophylaxis modality, and, using propensity score analysis, outcomes such as overall survival. RESULTS: Of 989 eligible patients, 117 received CNS prophylaxis (11.8%), most intrathecally (71.8%). Involvement of bone marrow, other high-risk site, >1 extranodal site, higher International Prognostic Index score, and higher stage were associated individually with the receipt of prophylaxis (all P <.0001). At a median follow-up of 2.5 years, there were 20 CNS recurrences (2% [95% confidence interval, 1.1%-2.9%]) among all patients, and overall survival was not affected by prophylaxis. CONCLUSIONS: Given the overall low rate of CNS recurrence and lack of prophylaxis-associated survival benefit, the current data called into question the practice of CNS prophylaxis in the rituximab era. Copyright © 2011 American Cancer Society. Source


Abel G.A.,Brigham and Womens Hospital | Abel G.A.,Dana-Farber Cancer Institute | Vanderplas A.,City of Hope National Medical Center | Rodriguez M.A.,University of Texas M. D. Anderson Cancer Center | And 9 more authors.
Leukemia and Lymphoma | Year: 2012

We aimed to characterize surveillance imaging and circumstances of relapse for patients with diffuse large B-cell lymphoma (DLBCL) in the National Comprehensive Cancer Network Non-Hodgkin's Lymphoma Outcomes Database, a prospective cohort study collecting clinical and outcome data at seven comprehensive cancer centers. Patients presenting with newly diagnosed DLBCL in remission ≥3 months after initial therapy and who had accrued 2 years of follow-up were eligible for analysis (n 625). The median number of imaging studies was 2.5/year (institutional range 0.53.5, p < 0.0001); 48.4% received only dedicated computed tomography (CT) scans, 14.6% received only positron emission tomography (PET)-inclusive modalities, 32.8% received a combination and 4.2% received no imaging. Among all eligible patients, 50 (8.0%) experienced relapse, and approximately one-quarter of subclinical relapses were detected through routine imaging. Our results suggest that despite limited data regarding its effect on outcomes, surveillance imaging is prevalent in DLBCL, and a majority of patients receive PET scans at some point during follow-up. © 2012 Informa UK, Ltd. Source

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