Active clinical trials for "Leukemia"

The rationale for combining lenalidomide with rituximab derives from preclinical observations suggesting that lenalidomide may enhance the ADCC (antigen-dependent cellular cytotoxicity) triggered by monoclonal antibodies such as rituximab. Lenalidomide augments NK cytotoxicity by increasing CD56dimCD3 subset, in addition to inducing IL-2 in T cells. These results provide the cellular and molecular basis for the use of lenalidomide as an adjuvant in immunotherapeutic strategies of monoclonal antibodies (mAb)-based therapies. The combination lenalidomide-rituximab was tested in lymphoma cell lines but not specifically on CLL cell lines. However the observed synergism was attributed to NK cells expansion, thus lending support to the notion that this synergism may operate in other B-cell lymphoproliferative malignancies. The objective was to develop a non-cytotoxic and effective treatment for CLL that would fulfill an unmet medical need, as a significant proportion of CLL patients are elderly and frail. These patients experience an excess in chemotherapy induced toxicity, often preventing the completion of the planned treatment.

This study will investigate if nilotinib provides an improved safety and efficacy profile over that seen in patients receiving Imatinib.

Clofarabine (injection) is approved by the Food and Drug Administration (FDA) for the treatment of pediatric patients 1 to 21 years old with relapsed or refractory acute lymphoblastic leukemia (ALL) who have had at least 2 prior treatment regimens. This use is based on the induction of complete responses. Randomized trials demonstrating increased survival or other clinical benefit have not been conducted. The purpose of the phase 1 portion of this study was to determine if clofarabine added to a combination of etoposide and cyclophosphamide is safe in children with relapsed or refractory acute lymphoblastic leukemia (ALL) or acute myelogenous leukemia (AML). The purpose of the phase 2 portion of the study was to measure the effectiveness of the combination therapy in children with ALL.

A phase I trial in patients with relapsed or refractory leukemia of a human monoclonal antibody that kills B cell acute lymphoblastic leukemia. Trial will study safety, pharmacokinetics, and anti tumor activity of the antibody given as a single agent and with vincristine.

This phase I trial is studying the side effects and best dose of dasatinib in treating young patients with recurrent or refractory solid tumors or Philadelphia chromosome-positive acute lymphoblastic leukemia or chronic myelogenous leukemia that did not respond to imatinib mesylate. Dasatinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth

The purpose of this clinical research study is to provide dasatinib treatment to patients with advanced chronic myelogenous leukemia (CML) or Philadelphia chromosome positive acute lymphoblastic leukemia (Ph+ ALL) who no longer can tolerate treatment with imatinib. The safety of the treatment will also be studied.

Vorinostat may stop the growth of cancer cells by blocking some of the enzymes needed for their growth. Giving the drug in different ways may kill more cancer cells. This randomized phase II trial is studying two different schedules of vorinostat to see how well they work in treating patients with acute myeloid leukemia.

RATIONALE: Giving low doses of chemotherapy, such as fludarabine and busulfan, before a donor bone marrow or peripheral blood stem cell transplant helps stop the growth of cancer cells. It also stops the patient's immune system from rejecting the donor's stem cells. The donated stem cells may replace the patient's immune system and help destroy any remaining cancer cells (graft-versus-tumor effect). Giving an infusion of the donor's T cells (donor lymphocyte infusion) after the transplant may help increase this effect. Sometimes the transplanted cells from a donor can also make an immune response against the body's normal cells. Giving antithymocyte globulin before transplant and methotrexate and tacrolimus after the transplant may stop this from happening. PURPOSE: This phase I trial is studying the side effects of donor stem cell transplant in treating older or frail patients with hematologic cancer.

Background: AZD2171 is an experimental drug that may slow the growth of cancers by blocking angiogenesis (formation of new blood vessels). Cancer growth is dependent on angiogenesis for nutrition. Inhibiting angiogenesis is a new approach to cancer therapy. Objectives: To determine the side effects of AZD2171 in children and adolescents with cancer. To determine the highest dose of AZD2171 that can safely be given to children and adolescents with cancer. To study how the body handles AZD2171. To determine the effects of AZD2171 on various factors related to angiogenesis. To determine if AZD2171 can inhibit cancer growth in children and adolescents. Eligibility: -Children and adolescents 2-18 years of age with treatment-resistant solid tumor cancers or acute myelogenous leukemia. Design: About 40 patients may be included in the study. AZD2171 is given by mouth in treatment cycles of once a day for 28 days. Treatment may continue unless the cancer worsens or unacceptable side effects develop. Patients have periodic physical examinations, blood and urine tests and imaging tests (CT, X-rays, MRI) to evaluate disease throughout the course of treatment. Additional blood tests are done to study how the body handles AZD2171, to look for proteins that stimulate angiogenesis, to determine if certain blood vessel cells are affected by AZD2171, and for other research purposes. Biopsy tissue (when available) is examined for the receptor for new blood vessel formation.

This phase II trial is studying how well AZD2171 works in treating patients with relapsed or refractory B-cell chronic lymphocytic leukemia. AZD2171 may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth and by blocking blood flow to the cancer cells