Treatment Trials

111 Clinical Trials for Various Conditions

Focus your search

COMPLETED
Risk-Group Classification of Patients With Newly Diagnosed Acute Lymphoblastic Leukemia
Description

This clinical trial is studying risk-group classification of patients with newly diagnosed acute lymphoblastic leukemia. Developing a risk-group classification guide may help doctors assign patients with newly diagnosed acute lymphoblastic leukemia to treatment clinical trials.

COMPLETED
Carfilzomib and Hyper-CVAD in Treating Patients With Newly Diagnosed Acute Lymphoblastic Leukemia or Lymphoma
Description

This phase I trial studies the side effects and best dose of carfilzomib when given together with the hyperfractionated (hyper)-cyclophosphamide, vincristine sulfate, doxorubicin hydrochloride, and dexamethasone (CVAD) chemotherapy regimen in treating patients with newly diagnosed acute lymphoblastic leukemia or lymphoma. Carfilzomib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as cyclophosphamide, vincristine sulfate, doxorubicin hydrochloride, and dexamethasone, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving carfilzomib with combination chemotherapy may kill more cancer cells.

COMPLETED
Organ-Sparing Marrow-Targeted Irradiation Before Stem Cell Transplant in Treating Patients With High-Risk Hematologic Malignancies
Description

This pilot clinical trial aims to assess feasibility and tolerability of using an LINAC based "organ-sparing marrow-targeted irradiation" to condition patients with high-risk hematological malignancies who are otherwise ineligible to undergo myeloablative Total body irradiation (TBI)-based conditioning prior to allogeneic stem cell transplant. The target patient populations are those with ALL, AML, MDS who are either elderly (\>50 years of age) but healthy, or younger patients with worse medical comorbidities (HCT-Specific Comorbidity Index Score (HCT-CI) \> 4). The goal is to have the patients benefit from potentially more efficacious myeloablative radiation based conditioning approach without the side effects associated with TBI.

COMPLETED
Bioelectrical Impedance Measurement for Predicting Treatment Outcome in Patients With Newly Diagnosed Acute Leukemia
Description

This clinical trial studies bioelectrical impedance measurement for predicting treatment outcome in patients with newly diagnosed acute leukemia. Diagnostic procedures, such as bioelectrical impedance measurement, may help predict a patient's response to treatment for acute leukemia.

WITHDRAWN
Nilotinib and Combination Chemotherapy in Treating Patients With Newly Diagnosed Philadelphia Chromosome-Positive Acute Lymphoblastic Leukemia or Blastic Phase Chronic Myelogenous Leukemia
Description

In this study researchers want to find out more about the side effects of a new drug for Philadelphia chromosome-positive (Ph+) acute lymphoblastic leukemia (ALL) and chronic myelogenous leukemia (CML) blastic phase (BP) and if this disease will respond better to nilotinib combined with standard hyper-CVAD therapy rather than hyper-CVAD alone. Hyper-CVAD is a combination of cyclophosphamide, mesna, vincristine (vincristine sulfate), doxorubicin (doxorubicin hydrochloride), dexamethasone, methotrexate, cytarabine, and rituximab (only for patients with cluster of differentiation \[CD\]20 positive disease). Researchers don't know all the ways that this drug may affect people

TERMINATED
Rasburicase and Allopurinol in Treating Patients With Hematologic Malignancies
Description

This randomized phase II trial studies how well giving rasburicase together with allopurinol works in treating patients with hematologic malignancies. Rasburicase may reduce the level of uric acid in the blood. Allopurinol may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. It is not yet known which dose of rasburicase is more effective in treating hematologic malignancies when given together with or without allopurinol.

ACTIVE_NOT_RECRUITING
Combination Chemotherapy and Ponatinib Hydrochloride in Treating Patients With Acute Lymphoblastic Leukemia
Description

This phase II trial studies the side effects and how well combination chemotherapy and ponatinib hydrochloride work in treating patients with acute lymphoblastic leukemia. Drugs used in chemotherapy, such as cyclophosphamide, vincristine sulfate, doxorubicin hydrochloride, and dexamethasone, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Ponatinib hydrochloride may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Giving combination chemotherapy and ponatinib hydrochloride may be an effective treatment for acute lymphoblastic leukemia.

COMPLETED
Entinostat and Clofarabine in Treating Patients With Newly Diagnosed, Relapsed, or Refractory Poor-Risk Acute Lymphoblastic Leukemia or Bilineage/Biphenotypic Leukemia
Description

This phase I trial studies the side effects and best dose of entinostat when given together with clofarabine in treating patients with newly diagnosed, relapsed, or refractory poor-risk acute lymphoblastic leukemia or bilineage/biphenotypic leukemia. Entinostat may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as clofarabine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Giving entinostat with clofarabine may kill more cancer cells.

COMPLETED
Treosulfan, Fludarabine Phosphate, and Total-Body Irradiation Before Donor Stem Cell Transplant in Treating Patients With High-Risk Acute Myeloid Leukemia, Myelodysplastic Syndrome, Acute Lymphoblastic Leukemia
Description

This phase II trial is studying how well giving treosulfan together with fludarabine phosphate and total-body irradiation followed by donor stem cell transplant works in treating patients with high-risk acute myeloid leukemia, myelodysplastic syndrome, acute lymphoblastic leukemia. Giving chemotherapy, such as treosulfan and fludarabine phosphate, and total-body irradiation before a donor bone marrow or peripheral blood stem cell transplant helps stop the growth of cancer cells. It may also stop the patient's immune system from rejecting the donor's stem cells. The donated stem cells may replace the patient's immune cells and help destroy any remaining cancer cells (graft-versus-tumor effect). Sometimes the transplanted cells from a donor can also make an immune response against the body's normal cells. Giving tacrolimus and methotrexate before and after transplant may stop this from happening

COMPLETED
Nilotinib and Imatinib Mesylate After Donor Stem Cell Transplant in Treating Patients With ALL or CML
Description

This phase I/II trial is studying the side effects and best way to give nilotinib when given alone or sequentially after imatinib mesylate after donor stem cell transplant in treating patients with acute lymphoblastic leukemia or chronic myelogenous leukemia. Nilotinib and imatinib mesylate may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.

COMPLETED
MS-275 and GM-CSF in Treating Patients With Myelodysplastic Syndrome and/or Relapsed or Refractory Acute Myeloid Leukemia or Acute Lymphocytic Leukemia
Description

This phase II trial is studying how well giving MS-275 together with GM-CSF works in treating patients with myelodysplastic syndrome and/or relapsed or refractory acute myeloid leukemia. MS-275 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. Colony-stimulating factors, such as GM-CSF, may increase the number of immune cells found in bone marrow or peripheral blood. Giving MS-275 together with GM-CSF may be an effective treatment for myelodysplastic syndrome and acute myeloid leukemia

COMPLETED
GTI-2040 in Treating Patients With Relapsed, Refractory, or High-Risk Acute Leukemia, High-Grade Myelodysplastic Syndromes, or Refractory or Blastic Phase Chronic Myelogenous Leukemia
Description

This phase I trial is studying the side effects and best dose of GTI-2040 in treating patients with relapsed, refractory, or high-risk acute leukemia, high-grade myelodysplastic syndromes, or refractory or blastic phase chronic myelogenous leukemia. Drugs used in chemotherapy, such as GTI-2040, work in different ways to stop the growth of cancer or abnormal cells, either by killing the cells or by stopping them from dividing.

TERMINATED
Sunitinib in Treating Patients With Idiopathic Myelofibrosis
Description

This phase II trial is studying how well sunitinib works in treating patients with idiopathic myelofibrosis. Sunitinib may stop the growth of abnormal cells by blocking some of the enzymes needed for cell growth and by blocking blood flow to the abnormal cells.

COMPLETED
7-Hydroxystaurosporine and Perifosine in Treating Patients With Relapsed or Refractory Acute Leukemia, Chronic Myelogenous Leukemia or High Risk Myelodysplastic Syndromes
Description

This phase I trial is studying the side effects and best dose of 7-hydroxystaurosporine when given together with perifosine in treating patients with relapsed or refractory acute leukemia, chronic myelogenous leukemia, or myelodysplastic syndromes. 7-Hydroxystaurosporine may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as perifosine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Giving 7-hydroxystaurosporine together with perifosine may kill more cancer cells.

COMPLETED
Flavopiridol and Vorinostat in Treating Patients With Relapsed or Refractory Acute Leukemia or Chronic Myelogenous Leukemia or Refractory Anemia
Description

This phase I trial is studying the side effects and best dose of flavopiridol when given together with vorinostat in treating patients with relapsed or refractory acute leukemia or chronic myelogenous leukemia or refractory anemia. Flavopiridol and vorinostat may cause leukemia cells to look more like normal cells, and to grow and spread more slowly. Vorinostat may also stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Giving flavopiridol together with vorinostat may be an effective treatment for leukemia or refractory anemia.

COMPLETED
Alemtuzumab and Combination Chemotherapy in Treating Patients With Untreated Acute Lymphoblastic Leukemia
Description

This phase I/II trial studies the side effects and best dose of alemtuzumab when given together with combination chemotherapy and to see how well it works in treating patients with untreated acute lymphoblastic leukemia. Monoclonal antibodies, such as alemtuzumab, can block cancer growth in different ways. Some block the ability of cancer cells to grow and spread. Others find cancer cells and help kill them or carry cancer-killing substances to them. Drugs used in chemotherapy also work in different ways to kill cancer cells or stop them from growing. Giving alemtuzumab together with combination chemotherapy may be a better way to block cancer growth.

COMPLETED
Total-Body Irradiation and Fludarabine Phosphate Followed by Donor Peripheral Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies or Kidney Cancer
Description

This phase I/II trial studies whether a new kind of blood stem cell (bone marrow) transplant, that may be less toxic, is able to treat underlying blood cancer. Stem cells are "seed cells" necessary to make blood cells. Researchers want to see if using less radiation and less chemotherapy with new immune suppressing drugs will enable a stem cell transplant to work. Researchers are hoping to see a mixture of recipient and donor stem cells after transplant. This mixture of donor and recipient stem cells is called "mixed-chimerism". Researchers hope to see these donor cells eliminate tumor cells. This is called a "graft-versus-leukemia" response.

COMPLETED
Imatinib Mesylate in Treating Patients With Advanced Cancer and Liver Dysfunction
Description

Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Phase I trial to study the effectiveness of imatinib mesylate in treating patients who have advanced cancer and liver dysfunction

Conditions
Accelerated Phase Chronic Myelogenous LeukemiaAcute Undifferentiated LeukemiaAIDS-related Peripheral/Systemic LymphomaAIDS-related Primary CNS LymphomaAnaplastic Large Cell LymphomaAngioimmunoblastic T-cell LymphomaAtypical Chronic Myeloid Leukemia, BCR-ABL1 NegativeBlastic Phase Chronic Myelogenous LeukemiaChildhood Myelodysplastic SyndromesChronic Eosinophilic LeukemiaChronic Myelogenous Leukemia, BCR-ABL1 PositiveChronic Myelomonocytic LeukemiaChronic Neutrophilic LeukemiaChronic Phase Chronic Myelogenous Leukemiade Novo Myelodysplastic SyndromesEssential ThrombocythemiaExtramedullary PlasmacytomaExtranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid TissueGastrointestinal Stromal TumorIntraocular LymphomaIsolated Plasmacytoma of BoneMeningeal Chronic Myelogenous LeukemiaMonoclonal Gammopathy of Undetermined SignificanceMyelodysplastic/Myeloproliferative Neoplasm, UnclassifiableNodal Marginal Zone B-cell LymphomaPolycythemia VeraPreviously Treated Myelodysplastic SyndromesPrimary Central Nervous System Non-Hodgkin LymphomaPrimary MyelofibrosisPrimary Systemic AmyloidosisProgressive Hairy Cell Leukemia, Initial TreatmentProlymphocytic LeukemiaRecurrent Adult Acute Lymphoblastic LeukemiaRecurrent Adult Acute Myeloid LeukemiaRecurrent Adult Burkitt LymphomaRecurrent Adult Diffuse Large Cell LymphomaRecurrent Adult Diffuse Mixed Cell LymphomaRecurrent Adult Diffuse Small Cleaved Cell LymphomaRecurrent Adult Hodgkin LymphomaRecurrent Adult Immunoblastic Large Cell LymphomaRecurrent Adult Lymphoblastic LymphomaRecurrent Adult T-cell Leukemia/LymphomaRecurrent Cutaneous T-cell Non-Hodgkin LymphomaRecurrent Grade 1 Follicular LymphomaRecurrent Grade 2 Follicular LymphomaRecurrent Grade 3 Follicular LymphomaRecurrent Mantle Cell LymphomaRecurrent Marginal Zone LymphomaRecurrent Mycosis Fungoides/Sezary SyndromeRecurrent Small Lymphocytic LymphomaRefractory Chronic Lymphocytic LeukemiaRefractory Hairy Cell LeukemiaRefractory Multiple MyelomaRelapsing Chronic Myelogenous LeukemiaSecondary Acute Myeloid LeukemiaSecondary Myelodysplastic SyndromesSmall Intestine LymphomaSplenic Marginal Zone LymphomaStage IV Adult Burkitt LymphomaStage IV Adult Diffuse Large Cell LymphomaStage IV Adult Diffuse Mixed Cell LymphomaStage IV Adult Diffuse Small Cleaved Cell LymphomaStage IV Adult Hodgkin LymphomaStage IV Adult Immunoblastic Large Cell LymphomaStage IV Adult Lymphoblastic LymphomaStage IV Adult T-cell Leukemia/LymphomaStage IV Chronic Lymphocytic LeukemiaStage IV Cutaneous T-cell Non-Hodgkin LymphomaStage IV Grade 1 Follicular LymphomaStage IV Grade 2 Follicular LymphomaStage IV Grade 3 Follicular LymphomaStage IV Mantle Cell LymphomaStage IV Marginal Zone LymphomaStage IV Mycosis Fungoides/Sezary SyndromeStage IV Small Lymphocytic LymphomaT-cell Large Granular Lymphocyte LeukemiaUnspecified Adult Solid Tumor, Protocol SpecificUntreated Adult Acute Lymphoblastic LeukemiaUntreated Adult Acute Myeloid LeukemiaUntreated Hairy Cell LeukemiaWaldenström Macroglobulinemia
COMPLETED
Flavopiridol, Cytarabine, and Mitoxantrone in Treating Patients With Acute Leukemia
Description

Phase II trial to study the effectiveness of combining flavopiridol and cytarabine with mitoxantrone in treating patients who have acute leukemia. Drugs used in chemotherapy work in different ways to stop cancer cells from dividing so they stop growing or die. Combining more than one drug may kill more cancer cells.

COMPLETED
Fludarabine Phosphate and Total-Body Radiation Followed by Donor Peripheral Blood Stem Cell Transplant and Immunosuppression in Treating Patients With Hematologic Malignancies
Description

This clinical trial studies fludarabine phosphate and total-body radiation followed by donor peripheral blood stem cell transplant and immunosuppression in treating patients with hematologic malignancies. Giving chemotherapy and total-body irradiation before a donor peripheral blood stem cell transplant helps stop the growth of cancer cells. It may also stop the patient's immune system from rejecting the donor's stem cells. When the healthy stem cells from a donor are infused into the patient they may help the patient's bone marrow make stem cells, red blood cells, white blood cells, and platelets. Sometimes the transplanted cells from a donor can make an immune response against the body's normal cells. Giving total-body irradiation together with fludarabine phosphate, cyclosporine, and mycophenolate mofetil before transplant may stop this from happening.

Conditions
Acute Myeloid Leukemia/Transient Myeloproliferative DisorderAcute Undifferentiated LeukemiaAdult Acute Lymphoblastic Leukemia in RemissionAdult Acute Myeloid Leukemia in RemissionAdult Acute Myeloid Leukemia With 11q23 (MLL) AbnormalitiesAdult Acute Myeloid Leukemia With Del(5q)Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)Adult Nasal Type Extranodal NK/T-cell LymphomaAnaplastic Large Cell LymphomaAngioimmunoblastic T-cell LymphomaBlastic Plasmacytoid Dendritic Cell NeoplasmChildhood Acute Lymphoblastic Leukemia in RemissionChildhood Acute Myeloid Leukemia in RemissionChildhood Burkitt LymphomaChildhood Diffuse Large Cell LymphomaChildhood Immunoblastic Large Cell LymphomaChildhood Myelodysplastic SyndromesChildhood Nasal Type Extranodal NK/T-cell LymphomaChronic Myelomonocytic LeukemiaCutaneous B-cell Non-Hodgkin Lymphomade Novo Myelodysplastic SyndromesExtranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid TissueHepatosplenic T-cell LymphomaIntraocular LymphomaJuvenile Myelomonocytic LeukemiaMast Cell LeukemiaMyelodysplastic/Myeloproliferative Neoplasm, UnclassifiableNodal Marginal Zone B-cell LymphomaNoncutaneous Extranodal LymphomaPeripheral T-cell LymphomaPost-transplant Lymphoproliferative DisorderPreviously Treated Myelodysplastic SyndromesPrimary Systemic AmyloidosisRecurrent Adult Acute Lymphoblastic LeukemiaRecurrent Adult Acute Myeloid LeukemiaRecurrent Adult Burkitt LymphomaRecurrent Adult Diffuse Large Cell LymphomaRecurrent Adult Diffuse Mixed Cell LymphomaRecurrent Adult Diffuse Small Cleaved Cell LymphomaRecurrent Adult Grade III Lymphomatoid GranulomatosisRecurrent Adult Hodgkin LymphomaRecurrent Adult Immunoblastic Large Cell LymphomaRecurrent Adult Lymphoblastic LymphomaRecurrent Adult T-cell Leukemia/LymphomaRecurrent Childhood Acute Lymphoblastic LeukemiaRecurrent Childhood Acute Myeloid LeukemiaRecurrent Childhood Anaplastic Large Cell LymphomaRecurrent Childhood Grade III Lymphomatoid GranulomatosisRecurrent Childhood Large Cell LymphomaRecurrent Childhood Lymphoblastic LymphomaRecurrent Childhood Small Noncleaved Cell LymphomaRecurrent Cutaneous T-cell Non-Hodgkin LymphomaRecurrent Grade 1 Follicular LymphomaRecurrent Grade 2 Follicular LymphomaRecurrent Grade 3 Follicular LymphomaRecurrent Mantle Cell LymphomaRecurrent Marginal Zone LymphomaRecurrent Mycosis Fungoides/Sezary SyndromeRecurrent Small Lymphocytic LymphomaRecurrent/Refractory Childhood Hodgkin LymphomaRefractory Chronic Lymphocytic LeukemiaRefractory Hairy Cell LeukemiaRefractory Multiple MyelomaSmall Intestine LymphomaSplenic Marginal Zone LymphomaStage II Multiple MyelomaStage III Multiple MyelomaT-cell Large Granular Lymphocyte LeukemiaTesticular LymphomaUntreated Adult Acute Lymphoblastic LeukemiaUntreated Adult Acute Myeloid LeukemiaUntreated Childhood Acute Lymphoblastic LeukemiaUntreated Childhood Acute Myeloid Leukemia and Other Myeloid MalignanciesWaldenström Macroglobulinemia
RECRUITING
Registry of Older Patients With Cancer
Description

RATIONALE: Gathering information about older patients with cancer may help the study of cancer in the future. PURPOSE: This research study is gathering information from older patients with cancer into a registry.

RECRUITING
Tissue, Blood, and Body Fluid Sample Collection From Patients With Hematologic Cancer
Description

RATIONALE: Collecting and storing samples of tissue, blood, and body fluid from patients with cancer to study in the laboratory may help the study of cancer in the future. PURPOSE: This research study is collecting and storing blood and tissue samples from patients being evaluated for hematologic cancer.

TERMINATED
Sirolimus, Tacrolimus, Thymoglobulin and Rituximab as Graft-versus-Host-Disease Prophylaxis in Patients Undergoing Haploidentical and HLA Partially Matched Donor Hematopoietic Cell Transplantation
Description

This Phase II clinical trial was designed for patients with hematologic malignancies in need of donor peripheral blood stem cell transplant, and have no HLA matched donor. Therefore It will test the efficacy of combining sirolimus, tacrolimus, antithymocyte globulin, and rituximab in preventing graft versus host disease in transplants from HLA Haploidentical and partially mismatched donors.

COMPLETED
Study of Bone Marrow and Blood Samples in Patients With Untreated Acute Myeloid Leukemia or Acute Lymphoblastic Leukemia Enrolled on Clinical Trial CALGB-9621 or CALGB-9720
Description

This research study is looking at bone marrow and blood samples in patients with untreated acute myeloid leukemia or acute lymphoblastic leukemia enrolled on clinical trial CALGB-9621, CALGB-9720, CALGB 19808, and CALGB 10201. Studying samples of bone marrow and blood from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. It may also help doctors predict how patients will respond to treatment.

Conditions
COMPLETED
S9007, Study of Bone Marrow and Blood Samples From Patients With Leukemia or Other Hematopoietic Cancers
Description

RATIONALE: Studying samples of bone marrow and blood from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. It may also help doctors predict how patients will respond to treatment. PURPOSE: This research study is looking at bone marrow and blood samples from patients with leukemia or other hematopoietic cancers.

WITHDRAWN
Intensive Glycemic Control on Infectious Morbidity In Patients With Acute Leukemia
Description

RATIONALE: Controlling blood sugar levels may be effective in preventing infections in patients receiving chemotherapy for acute myeloid leukemia or acute lymphoblastic leukemia. PURPOSE: This randomized phase I trial is studying how well controlling blood sugar levels works in preventing infection in patients with acute myeloid leukemia or acute lymphoblastic leukemia.

RECRUITING
3'-Deoxy-3'-[18F] Fluorothymidine PET Imaging in Patients With Cancer
Description

RATIONALE: Diagnostic procedures, such as 3'-deoxy-3'-\[18F\] fluorothymidine (FLT) PET imaging, may help find and diagnose cancer. It may also help doctors predict a patient's response to treatment and help plan the best treatment. PURPOSE: This phase I trial is studying FLT PET imaging in patients with cancer.

COMPLETED
S9910, Collecting and Storing Blood and Bone Marrow Samples From Patients With Hematologic Cancer
Description

RATIONALE: Collecting and storing samples of blood and bone marrow from patients with cancer to study in the laboratory may help doctors learn more about diagnosing cancer and how well patients will respond to treatment. PURPOSE: The purpose of this study is to collect and store blood and bone marrow samples from patients with hematologic cancer to be tested in the laboratory.

COMPLETED
Collecting Tissue Samples From Patients With Leukemia or Other Blood Disorders Planning to Enroll in an ECOG Leukemia Treatment Clinical Trial
Description

RATIONALE: Collecting and storing samples of blood and bone marrow from patients with cancer to study in the laboratory may help doctors learn more about diagnosing cancer and determine a patient's eligibility for a treatment clinical trial. It may also help the study of cancer in the future. PURPOSE: This laboratory study is collecting tissue samples from patients with leukemia or other blood disorders who are planning to enroll in an ECOG leukemia treatment clinical trial.