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NCT01096368 · OUTCOME

EFS of Children With Incompletely Resected Ependymoma Who Are Unable to Achieve a Complete Response (CR) by Post-operative Induction Chemotherapy or by Second Surgery and Who Are Non-randomly Assigned to Receive Maintenance Chemotherapy

Maintenance Chemotherapy or Observation Following Induction Chemotherapy and Radiation Therapy in Treating Patients With Newly Diagnosed Ependymoma · Source last updated 2026-04-30

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure
NUMBER
Unit
percentage of participants
Interval / dispersion
95% Confidence Interval
Time frame
Up to 10 years after enrollment. 5-year estimates of EFS are presented.

What was measured

The Kaplan-Meier estimate of EFS is calculated from enrollment date to first occurrence of disease progression, disease recurrence, second malignant neoplasm, or death from any cause.

Analysis population: Eligible participants in Arm IV (intent-to-treat)

Groups in this outcome

Arm IV: Nonrandomly Assigned to Arm II Treatment

Patients with subtotal resection after induction chemotherapy (see Arm I) and second surgery are non-randomly assigned to Arm II treatment.

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

GroupSource count
Arm IV: Nonrandomly Assigned to Arm II Treatment63

Reported measurements

Source class 1
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Arm IV: Nonrandomly Assigned to Arm II Treatment33.6Not reported22.145.5Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        22.1
        upper Limit
        45.5
        value
        33.6
denoms
  1. counts
    1. group Id
      OG000
      value
      63
    units
    Participants
description
The Kaplan-Meier estimate of EFS is calculated from enrollment date to first occurrence of disease progression, disease recurrence, second malignant neoplasm, or death from any cause.
dispersion Type
95% Confidence Interval
groups
  1. description
    Patients with subtotal resection after induction chemotherapy (see Arm I) and second surgery are non-randomly assigned to Arm II treatment.
    id
    OG000
    title
    Arm IV: Nonrandomly Assigned to Arm II Treatment
param Type
NUMBER
population Description
Eligible participants in Arm IV (intent-to-treat)
reporting Status
POSTED
time Frame
Up to 10 years after enrollment. 5-year estimates of EFS are presented.
title
EFS of Children With Incompletely Resected Ependymoma Who Are Unable to Achieve a Complete Response (CR) by Post-operative Induction Chemotherapy or by Second Surgery and Who Are Non-randomly Assigned to Receive Maintenance Chemotherapy
type
OTHER_PRE_SPECIFIED
unit Of Measure
percentage of participants

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Not medical advice