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506U78 in Treating Patients With Refractory Hematologic Cancer

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ClinicalTrials.gov Identifier: NCT00002970
Recruitment Status : Completed
First Posted : August 11, 2003
Last Update Posted : July 2, 2013
Sponsor:
Collaborator:
Children's Cancer Group
Information provided by (Responsible Party):
National Cancer Institute (NCI)

Study Description
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Brief Summary:
Phase II trial to study the effectiveness of 506U78 in treating patients with recurrent or refractory hematologic cancer. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die.

Condition or disease Intervention/treatment Phase
Recurrent Childhood Acute Lymphoblastic Leukemia Recurrent Childhood Lymphoblastic Lymphoma T-cell Childhood Acute Lymphoblastic Leukemia Drug: nelarabine Drug: methotrexate Drug: cytarabine Drug: therapeutic hydrocortisone Phase 2

Detailed Description:

OBJECTIVES:

I. Determine the response rate to compound 506U78 (2-amino-9-b-D-arabinofuranosyl-6-methoxy-9H-purine) administered as a 1 hour infusion daily for 5 days in patients with recurrent T-cell malignancies.

II. Determine the toxicities of compound 506U78 in this group of patients. III. Correlate the biochemical pharmacology of compound 506U78 (e.g., ara-G nucleotides in leukemic blasts and CSF concentrations) with clinical response.

IV. Determine the impact of compound 506U78 therapy on survival and duration of response of patients with recurrent T-cell malignancies.

OUTLINE: Patients are stratified according to disease characteristics: Group 1: T-cell ALL or NHL in first relapse (greater than 25% bone marrow blasts, with or without concomitant extramedullary relapse other than CNS); Group 2: T-cell ALL or NHL in second or later relapse (greater than 25% bone marrow blasts, with or without concomitant extramedullary relapse other than CNS); Group 3: T-cell ALL or NHL with positive bone marrow and CSF (greater than 5% bone marrow blasts and CNS 2 or 3 involvement); Group 4: Extramedullary relapse and less than 25% blasts in the bone marrow (excluding isolated CNS relapse)

GROUP 1: Patients receive a 1 hour infusion of compound 506U78 daily for 5 days in the absence of neurologic toxicity. The course repeats every 21 days. If a first relapse T-cell ALL study of higher priority is not open, then the patient may continue to receive the drug every 21 days for a maximum of 2 years provided that the patient has achieved a second complete response.

GROUPS 2 and 4: Patients receive compound 506U78 every 21 days for a maximum of 2 years, in the absence of disease progression. After 3 courses a patient may be given CNS prophylaxis with triple intrathecal therapy (TIT), consisting of methotrexate, cytarabine and hydrocortisone after consultation with study coordinator. TIT should be given every 12 weeks.

GROUP 3: Patients receive compound 506U78 every 21 days for a maximum of 2 years, in the absence of disease progression. TIT will be given on day 1 of weeks 1-4, 6, 9 and every 6 weeks for 12 weeks, and then every 9 weeks thereafter. This stratum is open.

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 148 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase II Study of Compound 506U78 in Patients With Refractory T-Cell Malignancies-POG/CCG Intergroup Study
Study Start Date : June 1997
Actual Primary Completion Date : January 2005

Resource links provided by the National Library of Medicine

Drug Information available for: Nelarabine

Arms and Interventions
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Arm Intervention/treatment
Experimental: Arm I

GROUP 1: Patients receive a 1 hour infusion of compound 506U78 daily for 5 days in the absence of neurologic toxicity. The course repeats every 21 days. If a first relapse T-cell ALL study of higher priority is not open, then the patient may continue to receive the drug every 21 days for a maximum of 2 years provided that the patient has achieved a second complete response.

GROUPS 2 and 4: Patients receive compound 506U78 every 21 days for a maximum of 2 years, in the absence of disease progression. After 3 courses a patient may be given CNS prophylaxis with triple intrathecal therapy (TIT), consisting of methotrexate, cytarabine and hydrocortisone after consultation with study coordinator. TIT should be given every 12 weeks.

GROUP 3: Patients receive compound 506U78 every 21 days for a maximum of 2 years, in the absence of disease progression. TIT will be given on day 1 of weeks 1-4, 6, 9 and every 6 weeks for 12 weeks, and then every 9 weeks thereafter. This stratum is open.

 Drug: nelarabine
Given IV
Other Names:
  • 506U78
  • Arranon
  • GW506U78

Drug: methotrexate
Given IT
Other Names:
  • amethopterin
  • Folex
  • methylaminopterin
  • Mexate
  • MTX

Drug: cytarabine
Given IT
Other Names:
  • ARA-C
  • arabinofuranosylcytosine
  • arabinosylcytosine
  • Cytosar-U
  • cytosine arabinoside

Drug: therapeutic hydrocortisone
Given IT
Other Names:
  • Aeroseb-HC
  • Barseb HC
  • Cetacort
  • Cort-Dome
  • Cortef


Outcome Measures
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Primary Outcome Measures :
  1. Early marrow CR plus PR rate at day 21 [ Time Frame: Day 21 ]
    CR is defined by an M1 marrow which requires blast counts below 5%. PR is defined by an M2 marrow which requires blast counts below 25%.


Secondary Outcome Measures :
  1. Remission duration [ Time Frame: Up to 2 years ]
  2. 6 month cumulative event-free survival [ Time Frame: 6 months ]

Eligibility Criteria
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Ages Eligible for Study:   up to 21 Years   (Child, Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Refractory or recurrent acute lymphocytic leukemia (ALL) or non-Hodgkin's lymphoma (NHL) with bone marrow involvement (T-cell disease only)
  • Isolated CNS relapse not eligible
  • Performance status - Karnofsky 50-100%
  • At least 8 weeks
  • Bilirubin no greater than 1.5 mg/dL
  • SGPT less than 5 times normal
  • Creatinine normal for age
  • Creatinine clearance or GFR at least 60 mL/min/1.73m2
  • No severe uncontrolled infection
  • No concurrent biologic therapy
  • Recovered from toxic effects
  • At least 6 weeks from administration of nitrosoureas
  • No concurrent endocrine therapy
  • At least 6 weeks from administration of craniospinal or hemi pelvic radiotherapy
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00002970


Locations
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United States, California
Children's Oncology Group
Arcadia, California, United States, 91006-3776
Sponsors and Collaborators
National Cancer Institute (NCI)
Children's Cancer Group
Investigators
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Principal Investigator: Stacey Berg Children's Oncology Group
More Information
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Responsible Party: National Cancer Institute (NCI)
ClinicalTrials.gov Identifier: NCT00002970    
Other Study ID Numbers: NCI-2012-01836
P9673
CCG-P9673
POG-9673
CDR0000065478
U10CA098543 ( U.S. NIH Grant/Contract )
First Posted: August 11, 2003    Key Record Dates
Last Update Posted: July 2, 2013
Last Verified: July 2013
Additional relevant MeSH terms:
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Leukemia
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Leukemia, Lymphoid
Neoplasms by Histologic Type
Neoplasms
Lymphoproliferative Disorders
Lymphatic Diseases
Immunoproliferative Disorders
Immune System Diseases
Cytarabine
Hydrocortisone
Hydrocortisone 17-butyrate 21-propionate
Hydrocortisone acetate
Hydrocortisone hemisuccinate
Methotrexate
 Abortifacient Agents, Nonsteroidal
Abortifacient Agents
Reproductive Control Agents
Physiological Effects of Drugs
Antimetabolites, Antineoplastic
Antimetabolites
Molecular Mechanisms of Pharmacological Action
Antineoplastic Agents
Dermatologic Agents
Enzyme Inhibitors
Folic Acid Antagonists
Immunosuppressive Agents
Immunologic Factors
Antirheumatic Agents
Nucleic Acid Synthesis Inhibitors