Status:

COMPLETED

Studying Tissue Samples to Learn More About Drug Resistance in Patients With Acute Myeloid Leukemia

Lead Sponsor:

ECOG-ACRIN Cancer Research Group

Collaborating Sponsors:

National Cancer Institute (NCI)

Conditions:

Leukemia

Eligibility:

All Genders

18-120 years

Brief Summary

RATIONALE: Studying samples of tissue from patients with cancer in the laboratory may help doctors learn more about cancer and the development of drug resistance in patients. PURPOSE: This laboratory...

Detailed Description

OBJECTIVES: * Ascertain whether assessments of P-glycoprotein (P-gp) status using the accumulation assay find greater than 10% positive specimens among 30 specimens (collected from patients with acut...

Eligibility Criteria

Inclusion

  • DISEASE CHARACTERISTICS:
  • Cryopreserved bone marrow specimens collected from patients with acute myeloid leukemia enrolled on clinical trial ECOG-E3999 meeting the following criteria:
  • Appreciable levels of either CD34+ OR CD117+ blasts
  • Appreciable staining with anti-P-gp antibodies
  • 30 specimens must exhibit low to moderate dye loading for the Rh123 efflux assay
  • 10 specimens must exhibit positive Rh123 efflux activities
  • PATIENT CHARACTERISTICS:
  • Not specified
  • PRIOR CONCURRENT THERAPY:
  • Not specified

Exclusion

    Key Trial Info

    Start Date :

    March 28 2006

    Trial Type :

    OBSERVATIONAL

    Allocation :

    ACTUAL

    End Date :

    December 30 2013

    Estimated Enrollment :

    40 Patients enrolled

    Trial Details

    Trial ID

    NCT00900380

    Start Date

    March 28 2006

    End Date

    December 30 2013

    Last Update

    May 19 2017

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