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NCT02393859 · OUTCOME

Kaplan-Meier Estimate of 100-Day Mortality After Allogeneic Hematopoietic Stem Cell Transplantation (alloHSCT)

Phase 3 Trial of Blinatumomab vs Standard Chemotherapy in Pediatric Subjects With HIgh-Risk (HR) First Relapse B-precursor Acute Lymphoblastic Leukemia (ALL) · Source last updated 2026-06-26

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
From the date of alloHSCT until death/censor date; median follow up time was 1742.0 days for blinatumomab and 1619.0 days for HC3.

What was measured

The analysis of 100-day mortality after alloHSCT was assessed for participants who received an alloHSCT while in remission and did not receive any additional anti-leukemic treatment. 100-day mortality after alloHSCT was calculated relative to the date of alloHSCT. The 100-day mortality rate after alloHSCT was defined as the percentage of participants having died up to 100 days after alloHSCT, estimated using the estimated time to death in percent calculated by Kaplan-Meier methods. Participants still alive were censored at the date they were last known to be alive.

Analysis population: HSCT Analysis Set: participants who underwent an HSCT while in remission without any other anti-leukemic therapy.

Groups in this outcome

HC3 Chemotherapy

One week of treatment with HC3 followed by 3 weeks of no treatment. The standard intensive consolidation chemotherapy course HC3 includes dexamethasone (10 mg/m\^2/day IV on Days 1-6), vincrisitne (1.5 mg/m\^2/day IV on Days 1 and 6), daunorubicin (30 mg/m\^2 IV over 24 hours on Day 5), methotrexate (1 g/m\^2 IV over 36 hours on Day 1), ifosfamide (800 mg/m\^2 IV for 1 hour on Days 2-4), and pegylated \[PEG\]-asparaginase (1000 U/m\^2 IV for 2 hours or IM on Day 6) or, if allergic, erwinia-asparaginase (20,000 units/m\^2 IV or IM every 48 hours for a total of 6 doses).

Blinatumomab

One 4-week cycle of blinatumomab 15 μg/m\^2/day as a continuous intravenous infusion (CIVI).

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

Analysis denominator · Participants

GroupSource count
HC3 Chemotherapy39
Blinatumomab51

Reported measurements

Source class 1
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
HC3 Chemotherapy5.1Not reported1.319.0Not reported
Blinatumomab3.9Not reported1.014.8Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        1.3
        upper Limit
        19.0
        value
        5.1
      2. group Id
        OG001
        lower Limit
        1.0
        upper Limit
        14.8
        value
        3.9
denoms
  1. counts
    1. group Id
      OG000
      value
      39
    2. group Id
      OG001
      value
      51
    units
    Participants
description
The analysis of 100-day mortality after alloHSCT was assessed for participants who received an alloHSCT while in remission and did not receive any additional anti-leukemic treatment. 100-day mortality after alloHSCT was calculated relative to the date of alloHSCT. The 100-day mortality rate after alloHSCT was defined as the percentage of participants having died up to 100 days after alloHSCT, estimated using the estimated time to death in percent calculated by Kaplan-Meier methods. Participants still alive were censored at the date they were last known to be alive.
dispersion Type
95% Confidence Interval
groups
  1. description
    One week of treatment with HC3 followed by 3 weeks of no treatment. The standard intensive consolidation chemotherapy course HC3 includes dexamethasone (10 mg/m\^2/day IV on Days 1-6), vincrisitne (1.5 mg/m\^2/day IV on Days 1 and 6), daunorubicin (30 mg/m\^2 IV over 24 hours on Day 5), methotrexate (1 g/m\^2 IV over 36 hours on Day 1), ifosfamide (800 mg/m\^2 IV for 1 hour on Days 2-4), and pegylated \[PEG\]-asparaginase (1000 U/m\^2 IV for 2 hours or IM on Day 6) or, if allergic, erwinia-asparaginase (20,000 units/m\^2 IV or IM every 48 hours for a total of 6 doses).
    id
    OG000
    title
    HC3 Chemotherapy
  2. description
    One 4-week cycle of blinatumomab 15 μg/m\^2/day as a continuous intravenous infusion (CIVI).
    id
    OG001
    title
    Blinatumomab
param Type
NUMBER
population Description
HSCT Analysis Set: participants who underwent an HSCT while in remission without any other anti-leukemic therapy.
reporting Status
POSTED
time Frame
From the date of alloHSCT until death/censor date; median follow up time was 1742.0 days for blinatumomab and 1619.0 days for HC3.
title
Kaplan-Meier Estimate of 100-Day Mortality After Allogeneic Hematopoietic Stem Cell Transplantation (alloHSCT)
type
SECONDARY
unit Of Measure
percentage of participants

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Preserved source evidence · Not medical advice