PURPOSE Acute myelogenous leukemia (AML) and myelodysplastic syndrome (MDS) primarily afflict older individuals. Hematopoietic cell transplantation (HCT) is generally not offered because of concerns of excess morbidity and mortality. Reduced-intensity conditioning (RIC) regimens allow increased use of allogeneic HCT for older patients. To define prognostic factors impacting long-term outcomes of RIC regimens in patients older than age 40 years with AML in first complete remission or MDS and to determine the impact of age, we analyzed data from the Center for International Blood and Marrow Transplant Research (CIBMTR). PATIENTS AND METHODS We reviewed data reported to the CIBMTR (1995 to 2005) on 1,080 patients undergoing RIC HCT. Outcomes analyzed included neutrophil recovery, incidence of acute or chronic graft-versus-host disease (GVHD), nonrelapse mortality (NRM), relapse, disease-free survival (DFS), and overall survival (OS). RESULTS Univariate analyses demonstrated no age group differences in NRM, grade 2 to 4 acute GVHD, chronic GVHD, or relapse. Patients age 40 to 54, 55 to 59, 60 to 64, and > or = 65 years had 2-year survival rates as follows: 44% (95% CI, 37% to 52%), 50% (95% CI, 41% to 59%), 34% (95% CI, 25% to 43%), and 36% (95% CI, 24% to 49%), respectively, for patients with AML (P = .06); and 42% (95% CI, 35% to 49%), 35% (95% CI, 27% to 43%), 45% (95% CI, 36% to 54%), and 38% (95% CI, 25% to 51%), respectively, for patients with MDS (P = .37). Multivariate analysis revealed no significant impact of age on NRM, relapse, DFS, or OS (all P > .3). Greater HLA disparity adversely affected 2-year NRM, DFS, and OS. Unfavorable cytogenetics adversely impacted relapse, DFS, and OS. Better pre-HCT performance status predicted improved 2-year OS. CONCLUSION With these similar outcomes observed in older patients, we conclude that older age alone should not be considered a contraindication to HCT.

Effect of Age on Outcome of Reduced-Intensity Hematopoietic Cell Transplantation for Older Patients With Acute Myeloid Leukemia in First Complete Remission or With Myelodysplastic Syndrome

Treatment of B-cell non-Hodgkin's lymphoma has become more successful, largely owing to the availability of therapeutic monoclonal antibodies, which may avoid the toxic effects of chemotherapy, improve the outcomes when combined with chemotherapy, and provide options for patients with refractory disease. This article reviews the current uses of monoclonal antibodies in B-cell non-Hodgkin's lymphoma.

Monoclonal antibody therapy for B-cell non-Hodgkin's lymphoma.

Methods of treating neoplastic, autoimmune and inflammatory diseases

Despite more effective front-line regimens, a substantial portion of patients with diffuse large B-cell lymphoma relapse and require further therapy. Several trials have established the efficacy of autologous stem cell transplantation for relapsed diffuse large B-cell lymphomas, but the benefit has been largely restricted to patients with chemosensitive disease and low-risk features at the time of relapse. In an effort to improve outcomes following an autologous transplant, researchers are exploring several avenues, including improvement of salvage regimens, addition of radioimmunotherapy to preparative regimens, and application of posttransplant treatments to eliminate minimal residual disease. Allogeneic stem cell transplantation also appears promising, but there is much to learn about optimal patient selection and timing. This review outlines the current approach to the management of relapsed diffuse large B-cell lymphoma, with an emphasis on newer peritransplant therapies.

Management of relapsed diffuse large B-cell lymphoma.

The explosion in knowledge about the molecular and cellular biology of cancer has led to the identification of many molecules or physiological processes that can be therapeutically exploited to treat cancer using so called ‘targeted therapies’. While the concept of targeted therapy is not a new one, it is only in the last decade that these agents have become established in standard clinical practice. An overview of progress in the development of targeted agents to date and challenges faced in the future application of targeted therapy to cancer treatment is provided in this article and is the subject of this issue of Cancer Forum.

Progress in targeted therapies for cancer: overview

Complete Remissions Observed in Acute Myeloid Leukemia Following Prolonged Exposure to SGN-33 (lintuzumab), a Humanized Monoclonal Antibody Targeting CD33.

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Complete Remissions Observed in Acute Myeloid Leukemia Following Prolonged Exposure to SGN-33 (lintuzumab), a Humanized Monoclonal Antibody Targeting CD33.