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NCT03384654 · OUTCOME

Cohort 1: Percentage of Participants With Complete Response (CR) for B-cell Acute Lymphoblastic Leukemia (ALL)

A Study to Evaluate the Efficacy and Safety of Daratumumab in Pediatric and Young Adult Participants Greater Than or Equal to (>=)1 and Less Than or Equal to (<=) 30 Years of Age With Relapsed/Refractory Precursor B-cell or T-cell Acute Lymphoblastic Leukemia or Lymphoblastic Lymphoma · Source last updated 2025-05-25

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
90% Confidence Interval
Time frame
Up to 2 cycles, that is, up to 56 days (each cycle of 28-days)

What was measured

Complete response based on the modified National Comprehensive Cancer Network (NCCN) criteria was defined as: less than 5 percent (%) blasts in the bone marrow; no evidence of circulating blasts or extramedullary disease; full recovery of peripheral blood counts: platelets greater than (\>)100\*10\^9 cells/liter (L) and absolute neutrophil count (ANC) \>1.0\*10\^9 cells/L. This outcome measure was planned to be analyzed for specified arm only.

Analysis population: The all treated analysis set included all enrolled participants who received at least 1 dose of daratumumab.

Groups in this outcome

Cohort 1: B-cell ALL (1-17 Years)

Participants with relapsed/refractory B-cell ALL received intrathecal methotrexate (MTX) 8 milligrams (mg): 1 to less than (\<) 2 years, 10 mg: 2 to \<3 years, 12 mg: 3 to \<9 years and 15 mg: greater than or equal to (\>=) 9 years on Cycle 1 Day 1 (for all participants) and Cycle 2 and later Day 1 each Cycle (for CNS negative participants); for CNS positive participants: along with MTX, hydrocortisone (HC)/cytarabine (ARA-C) was administered per local standard practice; daratumumab 16 milligrams per kilogram (mg/kg) as intravenous (IV) infusion weekly on Days 1, 8, 15 and 22 of Cycles 1 and 2 then every 2 weeks on Days 1, 15 of Cycle 3 to 6 and every 4 weeks on Day 1 of Cycle 7 and onward; vincristine 1.5 milligrams per meter square (mg/m\^2) IV injection/infusion once weekly on Days 1, 8, 15 and 22 of Cycle 1, then every 2 weeks on Days 1 and 15 of Cycle 2 and every 4 weeks on Day 1 of Cycle 3 and onward; prednisone 40 mg/m\^2 orally daily on Day 1 to 28 of Cycle 1 and on Day 1 to 5 of Cycle 2 onward. Participants received treatment until disease progression, unacceptable toxicity, or proceeding hematopoietic stem cell transplant after complete response (CR), whichever came first (maximum duration: 2.3 months).

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

Analysis denominator · Participants

GroupSource count
Cohort 1: B-cell ALL (1-17 Years)7

Reported measurements

Source class 1
Values in Percentage of participants · Interval/dispersion: 90% Confidence Interval
GroupValueSpreadLowerUpperComment
Cohort 1: B-cell ALL (1-17 Years)0Not reportedNANAHere, "NA" indicates that lower and upper limit of 90% confidential interval (CI) was not estimable because no participants had the event.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        Here, "NA" indicates that lower and upper limit of 90% confidential interval (CI) was not estimable because no participants had the event.
        group Id
        OG000
        lower Limit
        NA
        upper Limit
        NA
        value
        0
denoms
  1. counts
    1. group Id
      OG000
      value
      7
    units
    Participants
description
Complete response based on the modified National Comprehensive Cancer Network (NCCN) criteria was defined as: less than 5 percent (%) blasts in the bone marrow; no evidence of circulating blasts or extramedullary disease; full recovery of peripheral blood counts: platelets greater than (\>)100\*10\^9 cells/liter (L) and absolute neutrophil count (ANC) \>1.0\*10\^9 cells/L. This outcome measure was planned to be analyzed for specified arm only.
dispersion Type
90% Confidence Interval
groups
  1. description
    Participants with relapsed/refractory B-cell ALL received intrathecal methotrexate (MTX) 8 milligrams (mg): 1 to less than (\<) 2 years, 10 mg: 2 to \<3 years, 12 mg: 3 to \<9 years and 15 mg: greater than or equal to (\>=) 9 years on Cycle 1 Day 1 (for all participants) and Cycle 2 and later Day 1 each Cycle (for CNS negative participants); for CNS positive participants: along with MTX, hydrocortisone (HC)/cytarabine (ARA-C) was administered per local standard practice; daratumumab 16 milligrams per kilogram (mg/kg) as intravenous (IV) infusion weekly on Days 1, 8, 15 and 22 of Cycles 1 and 2 then every 2 weeks on Days 1, 15 of Cycle 3 to 6 and every 4 weeks on Day 1 of Cycle 7 and onward; vincristine 1.5 milligrams per meter square (mg/m\^2) IV injection/infusion once weekly on Days 1, 8, 15 and 22 of Cycle 1, then every 2 weeks on Days 1 and 15 of Cycle 2 and every 4 weeks on Day 1 of Cycle 3 and onward; prednisone 40 mg/m\^2 orally daily on Day 1 to 28 of Cycle 1 and on Day 1 to 5 of Cycle 2 onward. Participants received treatment until disease progression, unacceptable toxicity, or proceeding hematopoietic stem cell transplant after complete response (CR), whichever came first (maximum duration: 2.3 months).
    id
    OG000
    title
    Cohort 1: B-cell ALL (1-17 Years)
param Type
NUMBER
population Description
The all treated analysis set included all enrolled participants who received at least 1 dose of daratumumab.
reporting Status
POSTED
time Frame
Up to 2 cycles, that is, up to 56 days (each cycle of 28-days)
title
Cohort 1: Percentage of Participants With Complete Response (CR) for B-cell Acute Lymphoblastic Leukemia (ALL)
type
PRIMARY
unit Of Measure
Percentage of participants

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Preserved source evidence · Not medical advice