CClinicalTrials.gg
CompletedNCT00028509Updated Feb 13, 2014

Brain Function in Children Previously Treated on Clinical Trials POG-9605 and POG-9201

An observational study in Long-term Effects Secondary to Cancer Therapy in Children and Neurotoxicity, sponsored by Children's Oncology Group. Completed at 26 sites in 2 countries. Open to participants aged 1 Year to 9 Years. Per ClinicalTrials.gov, last updated 2014-02-13.

Sponsored by Children's Oncology Group · Observational

Study type
Observational
Model
Cohort
Time perspective
Retrospective
Enrollment
66
Ages
1 Year to 9 Years
Sex
All
01

Study summary

RATIONALE: Assessing the effects of methotrexate on brain function in children may improve the ability to plan treatment and decrease side effects.

PURPOSE: Clinical trial to compare brain function of children who have been previously treated with methotrexate.

Read the detailed description

OBJECTIVES:

  • Compare the incidence of neuropsychological abnormalities and leukoencephalopathy in children previously treated with methotrexate on protocols POG-9605 versus POG-9201.

OUTLINE: This is a multicenter study.

More than 3 years after completion of therapy, patients undergo 9 different tests to assess intelligence, memory, learning, attention, concentration, processing of information, functioning, and visual-motor integration. Patients also undergo MRI of the head.

PROJECTED ACCRUAL: A total of 30-54 patients previously treated on protocol POG-9201 will be accrued for this study. A total of 60-108 patients previously treated on protocol POG-9605 will be accrued for this study.

02

Conditions studied

  • Long-term Effects Secondary to Cancer Therapy in Children
  • Neurotoxicity

Keywords

  • neurotoxicity
  • long-term effects secondary to cancer therapy in children
03

In context

Neurotoxicity Syndromes

137 studies on the registry are indexed under Neurotoxicity Syndromes; 16 are open to participants now.

This study's enrollment of 66 is below the median of 86 across 38 observational studies indexed under Neurotoxicity Syndromes.

Browse Neurotoxicity Syndromes studies →

Lead sponsor

Children's Oncology Group is the lead sponsor of 436 studies on the registry; 34 are open to participants now.

Of its 12 completed or terminated interventional studies of FDA-regulated products, 11 (92%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
1 Year to 9 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Previously enrolled on POG-9201 or POG-9605

Eligibility criteria

DISEASE CHARACTERISTICS:

  • Previously enrolled on POG-9201 or POG-9605

    • Good prognosis by NCI risk (9201 and 9605 stratum 1)
  • Eligible for the therapeutic study
  • Completed therapy by 12/31/2000
  • No CNS3 at diagnosis
  • No relapsed disease

PATIENT CHARACTERISTICS:

Age:

  • 1 to 9 at diagnosis

Performance status:

  • Not specified

Life expectancy:

  • Not specified

Hematopoietic:

  • Not specified

Hepatic:

  • Not specified

Renal:

  • Not specified

Other:

  • No Down syndrome

PRIOR CONCURRENT THERAPY:

Biologic therapy

  • Not specified

Chemotherapy

  • Not specified

Endocrine therapy

  • Not specified

Radiotherapy

  • Not specified

Surgery

  • Not specified

Other

  • See Disease Characteristics
05

Study design

Observational model
Cohort
Time perspective
Retrospective
Enrollment
66 participants (actual)
Patient registry
No

Interventions

  • Proceduremanagement of therapy complications
06

What researchers measure

Primary outcomes

  1. Percentage of patients with severe intelligence deficit as evidenced by either a verbal or performance IQ below 85

    Time frame: Length of study

Secondary outcomes

  1. Compare the groups for descriptive purposes

    Quantitative scales: IQ (WISC III or WPPSI-R, depending on the age of the child), Wide Range Assessment of Memory and Learning (4 subscales), Conner's Continuous Performance Test (Attention/Concentration), Woodcock Johnson Revised Processing Speed Cluster, NEPSP Tower Tests (Executive Functioning), and VSI (Visual-Motor Integration).

    Time frame: Length of study

07

Study locations

26 sites
  • Arkansas Cancer Research Center at University of Arkansas for Medical Sciences
    Little Rock, Arkansas 72205, United States
  • Stanford Comprehensive Cancer Center - Stanford
    Stanford, California 94305, United States
  • University of Miami Sylvester Comprehensive Cancer Center - Miami
    Miami, Florida 33136, United States
  • Miami Children's Hospital
    Miami, Florida 33155, United States
  • St. Joseph's Cancer Institute at St. Joseph's Hospital
    Tampa, Florida 33607, United States
  • Kaplan Cancer Center at St. Mary's Medical Center
    West Palm Beach, Florida 33407, United States
  • Cancer Research Center of Hawaii
    Honolulu, Hawaii 95813, United States
  • Rush University Medical Center
    Chicago, Illinois 60612, United States
  • CancerCare of Maine at Eastern Maine Medial Center
    Bangor, Maine 04401, United States
  • Floating Hospital for Children at Tufts - New England Medical Center
    Boston, Massachusetts 02111, United States
  • Barbara Ann Karmanos Cancer Institute
    Detroit, Michigan 48201-1379, United States
  • Hurley Medical Center
    Flint, Michigan 48503, United States
  • Van Elslander Cancer Center at St. John Hospital and Medical Center
    Grosse Pointe Woods, Michigan 48236, United States
  • University of Mississippi Cancer Clinic
    Jackson, Mississippi 39216-4505, United States
  • Siteman Cancer Center at Barnes-Jewish Hospital
    St. Louis, Missouri 63110, United States
  • Hackensack University Medical Center Cancer Center
    Hackensack, New Jersey 07601, United States
  • University of New Mexico Cancer Research and Treatment Center
    Albuquerque, New Mexico 87131-5636, United States
  • Roswell Park Cancer Institute
    Buffalo, New York 14263-0001, United States
  • Blumenthal Cancer Center at Carolinas Medical Center
    Charlotte, North Carolina 28232-2861, United States
  • Wake Forest University Comprehensive Cancer Center
    Winston-Salem, North Carolina 27157-1096, United States
  • Oklahoma University Cancer Institute
    Oklahoma City, Oklahoma 73104, United States
  • Hollings Cancer Center at Medical University of South Carolina
    Charleston, South Carolina 29425, United States
  • Baylor University Medical Center - Houston
    Houston, Texas 77030-2399, United States
  • University of Texas Health Science Center at San Antonio
    San Antonio, Texas 78207, United States
  • Midwest Children's Cancer Center
    Milwaukee, Wisconsin 53226, United States
  • Montreal Children's Hospital at McGill University Health Center
    Montreal, Quebec H3H 1P3, Canada
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 13, 2014, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00028509
Lead sponsor
Children's Oncology Group
Collaborators
National Cancer Institute (NCI)
Responsible party
Sponsor
First posted
Jan 27, 2003
Start date
Jul 2002
Primary completion
Jul 2011
Last update
Feb 13, 2014

Study contacts

Patricia K. Duffner, MD
study chair · Women & Children's Hospital of Buffalo

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Feb 2014. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion