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NCT02703272 · OUTCOME

Part 2: Time to Response

A Safety and Efficacy Study of Ibrutinib in Pediatric and Young Adult Participants With Relapsed or Refractory Mature B-cell Non-Hodgkin Lymphoma · Source last updated 2022-12-02

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

Measure
MEDIAN
Unit
Months
Interval / dispersion
90% Confidence Interval
Time frame
Up to 4 Years and 4 months

What was measured

Time to response was defined as the time interval from the first dose of ibrutinib to the first documented response for those participants who responded. Time to response was summarized for participants who achieved either CR (including CRb and CRu) or PR. CR=disappearance of all disease; CRb=residual mass has no morphologic evidence of disease from limited or core biopsy, with no new lesions by imaging examination; BM and CSF morphologically free of disease; no new or PD elsewhere, CRu=Residual mass is negative by FDG-PET; no new lesions by imaging examination; BM and CSF morphologically free of disease; no new or PD elsewhere, PR=50% decrease in SPD on CT or MRI; FDG-PET may be positive (deauville score or 4 or 5 with reduced lesional uptake compared with baseline); no new or PD; morphologic evidence of disease may be present in BM or CSF if present at diagnosis; however, there should be 50% reduction in percentage of lymphoma cells.

Analysis population: Here 'N' (number of participants analyzed) signifies number of participants who were evaluable for this outcome measure. Time to response was summarized for participants who achieved either CR (including CRb and CRu) or PR.

Groups in this outcome

Part 2: Ibrutinib+CIT (RICE or RVICI)

Participants received ibrutinib based on age group and BSA in combination with CIT (investigator choice of RICE or RVICI) until 3 treatment cycles, transplantation if indicated, or until progressive disease (PD) or unacceptable toxicity. For both regimens, triple intrathecal therapy consisting of methotrexate, corticosteroid, and cytarabine will be administered for central nervous system (CNS) prophylaxis in age-appropriate dosing. Participants of age groups 1-5 years and 6-11 years received ibrutinib 440 mg/m\^2, and age group 12-17 years received Ibrutinib 329 mg/m\^2 (dose selected from Part 1).

Part 2: Chemoimmunotherapy

Participants received CIT (investigator choice of RICE or RVICI) alone based on age group and BSA until 3 treatment cycles, transplantation if indicated, or until PD or unacceptable toxicity. For both regimens, triple intrathecal therapy consisting of methotrexate, corticosteroid, and cytarabine will be administered for CNS prophylaxis in age-appropriate dosing. The RICE regimen was composed of rituximab 750 mg/m\^2, ifosfamide 9 g/m2, carboplatin 635 mg/m\^2, etoposide 300 mg/m\^2, and dexamethasone 100 mg/m\^2. The RVICI regimen was composed of rituximab 750 mg/m\^2, vincristine 1.6 mg/m\^2, idarubicin 20 mg/m\^2, carboplatin 800 mg/m\^2, ifosfamide 10 g/m\^2, and dexamethasone 100 mg/m\^2 (all doses represented as cumulative administered in 1 cycle).

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

Analysis denominator · Participants

GroupSource count
Part 2: Ibrutinib+CIT (RICE or RVICI)24
Part 2: Chemoimmunotherapy13

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 90% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 2: Ibrutinib+CIT (RICE or RVICI)0.89Not reported0.491.87Not reported
Part 2: Chemoimmunotherapy0.82Not reported0.461.94Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.49
        upper Limit
        1.87
        value
        0.89
      2. group Id
        OG001
        lower Limit
        0.46
        upper Limit
        1.94
        value
        0.82
denoms
  1. counts
    1. group Id
      OG000
      value
      24
    2. group Id
      OG001
      value
      13
    units
    Participants
description
Time to response was defined as the time interval from the first dose of ibrutinib to the first documented response for those participants who responded. Time to response was summarized for participants who achieved either CR (including CRb and CRu) or PR. CR=disappearance of all disease; CRb=residual mass has no morphologic evidence of disease from limited or core biopsy, with no new lesions by imaging examination; BM and CSF morphologically free of disease; no new or PD elsewhere, CRu=Residual mass is negative by FDG-PET; no new lesions by imaging examination; BM and CSF morphologically free of disease; no new or PD elsewhere, PR=50% decrease in SPD on CT or MRI; FDG-PET may be positive (deauville score or 4 or 5 with reduced lesional uptake compared with baseline); no new or PD; morphologic evidence of disease may be present in BM or CSF if present at diagnosis; however, there should be 50% reduction in percentage of lymphoma cells.
dispersion Type
90% Confidence Interval
groups
  1. description
    Participants received ibrutinib based on age group and BSA in combination with CIT (investigator choice of RICE or RVICI) until 3 treatment cycles, transplantation if indicated, or until progressive disease (PD) or unacceptable toxicity. For both regimens, triple intrathecal therapy consisting of methotrexate, corticosteroid, and cytarabine will be administered for central nervous system (CNS) prophylaxis in age-appropriate dosing. Participants of age groups 1-5 years and 6-11 years received ibrutinib 440 mg/m\^2, and age group 12-17 years received Ibrutinib 329 mg/m\^2 (dose selected from Part 1).
    id
    OG000
    title
    Part 2: Ibrutinib+CIT (RICE or RVICI)
  2. description
    Participants received CIT (investigator choice of RICE or RVICI) alone based on age group and BSA until 3 treatment cycles, transplantation if indicated, or until PD or unacceptable toxicity. For both regimens, triple intrathecal therapy consisting of methotrexate, corticosteroid, and cytarabine will be administered for CNS prophylaxis in age-appropriate dosing. The RICE regimen was composed of rituximab 750 mg/m\^2, ifosfamide 9 g/m2, carboplatin 635 mg/m\^2, etoposide 300 mg/m\^2, and dexamethasone 100 mg/m\^2. The RVICI regimen was composed of rituximab 750 mg/m\^2, vincristine 1.6 mg/m\^2, idarubicin 20 mg/m\^2, carboplatin 800 mg/m\^2, ifosfamide 10 g/m\^2, and dexamethasone 100 mg/m\^2 (all doses represented as cumulative administered in 1 cycle).
    id
    OG001
    title
    Part 2: Chemoimmunotherapy
param Type
MEDIAN
population Description
Here 'N' (number of participants analyzed) signifies number of participants who were evaluable for this outcome measure. Time to response was summarized for participants who achieved either CR (including CRb and CRu) or PR.
reporting Status
POSTED
time Frame
Up to 4 Years and 4 months
title
Part 2: Time to Response
type
SECONDARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice