Study of Tumor Samples From Patients With Ependymoma Treated on the Children's Oncology Group ACNS0121 Trial

May 16, 2016 updated by: Children's Oncology Group

Examination of the Multiple Genetic and Molecular Targets as Therapeutic Options for Patients With Ependymoma Treated by the Phase II Children's Oncology Group Study ACNS0121

This research trial studies tumor samples from patients with ependymoma treated on the Children Oncology Group ACNS0121 trial. Studying samples of tumor 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. It may also help doctors find better ways to treat cancer.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

PRIMARY OBJECTIVES:

I. To examine the prognostic role of histopathological variables, in particular cellular density, mitotic count, and tumor cell invasion in intracranial pediatric ependymomas.

II. To study whether hTERT expression and telomere dysfunction correlate with progression-free survival (PFS) and overall survival (OS) in pediatric intracranial ependymoma.

III. To perform a genome-wide copy number screen and validation of copy number abnormalities (CNAs) on formalin-fixed paraffin-embedded (FFPE) ependymomas using Affymetrix Molecular Inversion Probe (MIP) arrays and interphase fluorescence in situ hybridization (iFISH). IV. To evaluate associations between infiltration of immune markers and PFS as well as OS in pediatric ependymoma.

V. To examine the role of 1q gain and 9p deletion in pediatric ependymomas by exploring their association with PFS and OS in a multivariable model.

VI. To establish the frequency and clinicopathological associations of mutations in genes involved in Notch pathway signaling.

OUTLINE:

Archived tumor tissue samples are analyzed for cellular density, mitotic count, tumor cell invasion, hTERT expression, telomere dysfunction, 1q gain, 9p deletion, and genetic mutations by IHC, Affymetrix Molecular Inversion Probe (MIP) arrays, and fluorescence in situ hybridization (FISH). Results are then correlated with patient-outcome variables and known risk factors, namely gender, age at diagnosis, tumor location infratentorial vs. supratentorial), tumor grade (differentiated vs anaplastic), and extent of surgery as well as pathologic variables.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
80

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Monrovia, California, United States, 91006-3776
        • Children's Oncology Group

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

1 year to 21 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients with ependymoma treated on the Children Oncology Group ACNS0121 trial

Description

Inclusion Criteria:

  • Diagnosed with ependymoma and treated on COG-ACNS0121
  • Previously collected tumor samples banked at the Children Oncology Group BioPathology

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Correlative studies
Archived tumor tissue samples are analyzed by laboratory biomarker analysis for cellular density, mitotic count, tumor cell invasion, hTERT expression, telomere dysfunction, 1q gain, 9p deletion, and genetic mutations by IHC, Affymetrix MIP arrays, and FISH. Results are then correlated with patient-outcome variables and known risk factors, namely gender, age at diagnosis, tumor location infratentorial vs. supratentorial), tumor grade (differentiated vs anaplastic), and extent of surgery as well as pathologic variables.
Other: laboratory biomarker analysis
Correlative studies

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
PFS
Time Frame: From the time of study enrollment to disease progression, disease relapse or death from any cause
The multivariable Cox model and cumulative incidence regression models will be used. Associations between the biology markers and outcome variables will be studied in a single-variable setting as well as via multivariable Cox models.
From the time of study enrollment to disease progression, disease relapse or death from any cause
OS
Time Frame: From the time of study enrollment to death from any cause
The multivariable Cox model and cumulative incidence regression models will be used. Associations between the biology markers and outcome variables will be studied in a single-variable setting as well as via multivariable Cox models.
From the time of study enrollment to death from any cause

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Children's Oncology Group

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
National Cancer Institute (NCI)

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Uri Tabori, MD, Children's Oncology Group

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
March 1, 2012

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
April 1, 2013

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
April 1, 2013

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
July 30, 2011

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 30, 2011

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 2, 2011

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 18, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 16, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2016

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • ACNS11B1
  • U10CA098543 (U.S. NIH Grant/Contract)
  • NCI-2011-03801 (Registry Identifier: CTRP (Clinical Trial Reporting Program))

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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