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LeukemiaNCT00899366

DNA Analysis of Tissue From Patients With T-Cell Acute Lymphoblastic Leukemia

An observational study of Leukemia, run by ECOG-ACRIN Cancer Research Group.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

RATIONALE: Studying samples of tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. PURPOSE: This laboratory study is looking at tissue samples from patients with T-cell acute lymphoblastic leukemia. Read more about this study

Who is it for?
Ages 18 to 120 years
Conditions the study is for
Leukemia
What is being tested?
microarray analysis, mutation analysis and immunologic technique
How many people
49 participants
Where
No sites listed yet
Study dates
28 Dec 2006to 30 Jul 2009
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 120 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Samples submitted for research from patients participating in E2993

Who may be able to join

None listed.

Who cannot join

  • Not applicable

About this study

Official title: Molecular Mechanisms of NOTCH Induced Transformation in T-ALL

RATIONALE: Studying samples of tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer.

PURPOSE: This laboratory study is looking at tissue samples from patients with T-cell acute lymphoblastic leukemia.

Read the detailed description

OBJECTIVES:

  • Identify the transcriptional signatures associated with the presence of NOTCH1 mutations in primary T-cell acute lymphoblastic leukemia (T-ALL) cells using oligonucleotide microarrays.
  • Characterize the global changes on gene expression resulting from the inactivation of NOTCH signaling in human T-ALL lymphoblasts.

OUTLINE: This is a multicenter study.

Frozen lymphoblast samples from patients with T-cell acute lymphoblastic leukemia (NOTCH1-mutated and wild type) are assessed for genetic expression profiles and mutations by microarray analysis and activated NOTCH1 protein by western blot analysis.

PROJECTED ACCRUAL: A total of 48 samples from patients will be accrued for this study.

Conditions
Leukemia
Being tested
microarray analysis, mutation analysis, immunologic technique
Keywords
T-cell adult acute lymphoblastic leukemia, T-cell childhood acute lymphoblastic leukemia, untreated adult acute lymphoblastic leukemia, untreated childhood acute lymphoblastic leukemia, recurrent adult acute lymphoblastic leukemia, recurrent childhood acute lymphoblastic leukemia, adult acute lymphoblastic leukemia in remission, childhood acute lymphoblastic leukemia in remission
Medical subject headings
Leukemia, Precursor Cell Lymphoblastic Leukemia-Lymphoma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • microarray analysisGenetic

  • mutation analysisGenetic

  • immunologic techniqueOther

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Transcriptional signatures associated with NOTCH1 mutations in T-cell acute lymphoblastic leukemia (T-ALL) cells

    Mutational analysis

    Measured: 1 month

  2. Global changes on gene expression resulting from inactivation of NOTCH signaling in T-ALL cells

    Gene expression

    Measured: 1 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 May 2009 (estimated)
  2. Study start28 Dec 2006
  3. Primary completion30 Jul 2009
  4. Study completion30 Jul 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Other
Time perspective
Retrospective
Enrolment
49 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00899366
Sponsor's protocol ID
CDR0000529758
Other IDs
ECOG-E2993T2, R01CA129382
Status last verified
May 2017
First submitted
9 May 2009
Last updated
5 Feb 2020
Results posted
No

Questions about this trial

What is this clinical trial studying?

An observational study of Leukemia, run by ECOG-ACRIN Cancer Research Group.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 0 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 5 Feb 2020. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Transcriptional signatures associated with NOTCH1 mutations in T-cell acute lymphoblastic leukemia (T-ALL) cells (time frame: 1 month). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 5 Feb 2020; AzTrials last refreshed its copy on 7 Nov 2026.

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