Spots Global Cancer Trial Database for Clofarabine and Gemtuzumab in Treating Patients With Relapsed or Refractory Acute Myeloid Leukemia

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Trial Identification

Brief Title: Clofarabine and Gemtuzumab in Treating Patients With Relapsed or Refractory Acute Myeloid Leukemia

Official Title: A Nonrandomized Dose-escalation Study of Clofarabine in Combination With Gemtuzumab Ozogamicin for Relapsed/Refractory Acute Myeloid Leukemia (AML) for Patients Less Than 60 Years-old

Study ID: NCT00577694

Conditions

Leukemia

Interventions

clofarabine

gemtuzumab ozogamicin

Study Description

Brief Summary: RATIONALE: 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. Monoclonal antibodies, such as gemtuzumab, 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. Giving clofarabine together with gemtuzumab may kill more cancer cells. PURPOSE: This phase I trial is studying the side effects and best dose of clofarabine when given together with gemtuzumab in treating patients with relapsed or refractory acute myeloid leukemia.

Detailed Description: OBJECTIVES: Primary * Identify the maximum tolerated dose and dose-limiting toxicities of clofarabine when administered with gemtuzumab ozogamicin in patients with refractory acute myeloid leukemia (AML) or with AML that has relapsed within 1 year after cytarabine-containing therapy. Secondary * Estimate the rates of complete response and/or partial complete response with incomplete platelet recovery in patients treated with this regimen. * Estimate the duration of remission in patients treated with this regimen and not proceeding to high-dose therapy and allogeneic stem cell transplantation. * Estimate the frequency with which patients enrolled on this study proceed to allogeneic or autologous blood or bone marrow stem cell transplantation. OUTLINE: This is a dose-escalation study of clofarabine. Patients receive induction therapy comprising clofarabine IV on days 1-5 and gemtuzumab ozogamicin IV over 2 hours on days 1, 4, and 7 during course 1 only. Beginning in course 2, after blood counts recover, patients receive consolidation therapy comprising clofarabine IV on days 1-5. Consolidation treatment repeats upon blood count recovery for up to 2 courses in the absence of disease progression or unacceptable toxicity. After completion of study therapy, patients in remission after consolidation therapy are followed monthly for the first 6 months, and then every 3-4 months for 2 years.