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NCT02421939 · OUTCOME

Change From Baseline in Brief Fatigue Inventory (BFI)

A Study of ASP2215 Versus Salvage Chemotherapy in Patients With Relapsed or Refractory Acute Myeloid Leukemia (AML) With FMS-like Tyrosine Kinase (FLT3) Mutation · Source last updated 2025-12-04

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

Measure
MEAN
Unit
Units on a scale
Interval / dispersion
Standard Deviation
Time frame
Baseline, Cycle 1 Day 8 and Cycle 2 Day 1

What was measured

The Brief Fatigue Inventory (BFI) was a screening tool designed to assess the severity and impact of fatigue on daily functioning of participants with cancer during the 24 hours. There are 9 items on the scale. The first three questions asked participants to rate their fatigues on a scale from 0 (no fatigue) - 10 (as bad as you can imagine), with higher scores indicating worse outcome. The remaining six questions asked participants to rate how much fatigue has interfered with their daily activities on a scale from 0 (Does not interfere) to 10 (Completely interferes). A global fatigue score can be obtained by averaging all the items on the BFI. The total score range is 0-10 with a higher BFI fatigue score indicates worse outcome. The global BFI score was calculated only if at least 5 of the 9 items are answered.

Analysis population: The analysis population was the ITT, with participants with data at baseline.

Groups in this outcome

Gilteritinib

Participants received 120 mg dose (3 tablets of 40 mg) orally once a day in continuous 28-day cycles, at least 2 hours after or 1 hour before food. Gilteritinib treatment continued until participants met one of the treatment discontinuation criteria. After the end of treatment period, participants were allowed to enter long-term follow up period for up to 3 years for collection of subsequent AML treatment, EuroQol Group-5 Dimension-5 Level Instrument (EQ-5D-5L), remission status and survival (cause of death and date of death). Participants continuing to derive clinical benefit from gilteritinib as assessed by the investigator were allowed to continue the study treatment until a discontinuation criterion was met or if they had completed more than 3 years of treatment.

Salvage Chemotherapy

Participants received chemotherapy in 28-day cycles. Participants on Low-Dose Cytarabine (LoDAC) received 20 mg of cytarabine twice daily by subcutaneous (SC) or intravenous (IV) injection for 10 days. Participants on azacitidine received 75 mg/m\^2 daily by SC or IV injection for 7 days. Participants on LoDAC or azacitidine treatment continued until they met discontinuation criteria. Participants on mitoxantrone, etoposide and intermediate-dose cytarabine (MEC) chemotherapy received mitoxantrone 8 mg/m\^2 daily by IV for 5 days, etoposide 100 mg/m\^2 daily by IV for 5 days and cytarabine 1000 mg/m\^2 daily by IV for 5 days (days 1-5). Participants on fludarabine, cytarabine and granulocyte colony-stimulating factor with idarubicin (FLAG-IDA) chemotherapy received granulocyte-colony stimulating factor (G-CSF) 300 μg/m\^2 daily by SC/IV for 5 days (days 1-5), fludarabine 30 mg/m\^2 daily by IV for 5 days (days 2-6), cytarabine 2000 mg/m\^2 daily by IV for 5 days (days 2-6) and idarubicin 10 mg/m\^2 daily by IV for 3 days (days 2-4). Participants receiving MEC or FLAG-IDA received 1 cycle of therapy and were assessed for response on or after day 15. After the end of treatment period, participants were allowed to enter the long-term follow-up period of up to 3 years for collection of subsequent AML treatment, EQ-5D-5L, remission status and survival (cause of death and date of death).

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

Analysis denominator · Participants

GroupSource count
Gilteritinib227
Salvage Chemotherapy97

Reported measurements

Cycle 1 day 8 (C1D8)

Analysis denominator · Participants

GroupSource count
Gilteritinib191
Salvage Chemotherapy73
Values in Units on a scale · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Gilteritinib-0.42.1Not reportedNot reportedNot reported
Salvage Chemotherapy1.02.3Not reportedNot reportedNot reported
Cycle 2 day 1 (C2D1)

Analysis denominator · Participants

GroupSource count
Gilteritinib206
Salvage Chemotherapy15
Values in Units on a scale · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Gilteritinib0.02.6Not reportedNot reportedNot reported
Salvage Chemotherapy0.42.8Not reportedNot reportedNot reported

Source statistical analyses

Group order, estimate direction, methods and comments are retained. No treatment ranking is inferred.

  1. group Description
    C1D8: Using analysis of covariance (ANCOVA) including treatment as a fixed factor, baseline score, response to first-line AML therapy and preselected salvage chemotherapy per IRT as covariates. Least Square (LS) Mean difference was estimated using chemotherapy as control.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    p Value
    0.0000
    param Type
    Least Squares Mean Difference
    param Value
    -1.2567
    statistical Method
    ANCOVA
  2. group Description
    C2D1: Using analysis of covariance (ANCOVA) including treatment as a fixed factor, baseline score, response to first-line AML therapy and preselected salvage chemotherapy per IRT as covariates. Least Square (LS) Mean difference was estimated using chemotherapy as control.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    p Value
    0.8037
    param Type
    Least Squares Mean Difference
    param Value
    0.1574
    statistical Method
    ANCOVA
Complete source fields
analyses
  1. group Description
    C1D8: Using analysis of covariance (ANCOVA) including treatment as a fixed factor, baseline score, response to first-line AML therapy and preselected salvage chemotherapy per IRT as covariates. Least Square (LS) Mean difference was estimated using chemotherapy as control.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    p Value
    0.0000
    param Type
    Least Squares Mean Difference
    param Value
    -1.2567
    statistical Method
    ANCOVA
  2. group Description
    C2D1: Using analysis of covariance (ANCOVA) including treatment as a fixed factor, baseline score, response to first-line AML therapy and preselected salvage chemotherapy per IRT as covariates. Least Square (LS) Mean difference was estimated using chemotherapy as control.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    p Value
    0.8037
    param Type
    Least Squares Mean Difference
    param Value
    0.1574
    statistical Method
    ANCOVA
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        2.1
        value
        -0.4
      2. group Id
        OG001
        spread
        2.3
        value
        1.0
    denoms
    1. counts
      1. group Id
        OG000
        value
        191
      2. group Id
        OG001
        value
        73
      units
      Participants
    title
    Cycle 1 day 8 (C1D8)
  2. categories
    1. measurements
      1. group Id
        OG000
        spread
        2.6
        value
        0.0
      2. group Id
        OG001
        spread
        2.8
        value
        0.4
    denoms
    1. counts
      1. group Id
        OG000
        value
        206
      2. group Id
        OG001
        value
        15
      units
      Participants
    title
    Cycle 2 day 1 (C2D1)
denoms
  1. counts
    1. group Id
      OG000
      value
      227
    2. group Id
      OG001
      value
      97
    units
    Participants
description
The Brief Fatigue Inventory (BFI) was a screening tool designed to assess the severity and impact of fatigue on daily functioning of participants with cancer during the 24 hours. There are 9 items on the scale. The first three questions asked participants to rate their fatigues on a scale from 0 (no fatigue) - 10 (as bad as you can imagine), with higher scores indicating worse outcome. The remaining six questions asked participants to rate how much fatigue has interfered with their daily activities on a scale from 0 (Does not interfere) to 10 (Completely interferes). A global fatigue score can be obtained by averaging all the items on the BFI. The total score range is 0-10 with a higher BFI fatigue score indicates worse outcome. The global BFI score was calculated only if at least 5 of the 9 items are answered.
dispersion Type
Standard Deviation
groups
  1. description
    Participants received 120 mg dose (3 tablets of 40 mg) orally once a day in continuous 28-day cycles, at least 2 hours after or 1 hour before food. Gilteritinib treatment continued until participants met one of the treatment discontinuation criteria. After the end of treatment period, participants were allowed to enter long-term follow up period for up to 3 years for collection of subsequent AML treatment, EuroQol Group-5 Dimension-5 Level Instrument (EQ-5D-5L), remission status and survival (cause of death and date of death). Participants continuing to derive clinical benefit from gilteritinib as assessed by the investigator were allowed to continue the study treatment until a discontinuation criterion was met or if they had completed more than 3 years of treatment.
    id
    OG000
    title
    Gilteritinib
  2. description
    Participants received chemotherapy in 28-day cycles. Participants on Low-Dose Cytarabine (LoDAC) received 20 mg of cytarabine twice daily by subcutaneous (SC) or intravenous (IV) injection for 10 days. Participants on azacitidine received 75 mg/m\^2 daily by SC or IV injection for 7 days. Participants on LoDAC or azacitidine treatment continued until they met discontinuation criteria. Participants on mitoxantrone, etoposide and intermediate-dose cytarabine (MEC) chemotherapy received mitoxantrone 8 mg/m\^2 daily by IV for 5 days, etoposide 100 mg/m\^2 daily by IV for 5 days and cytarabine 1000 mg/m\^2 daily by IV for 5 days (days 1-5). Participants on fludarabine, cytarabine and granulocyte colony-stimulating factor with idarubicin (FLAG-IDA) chemotherapy received granulocyte-colony stimulating factor (G-CSF) 300 μg/m\^2 daily by SC/IV for 5 days (days 1-5), fludarabine 30 mg/m\^2 daily by IV for 5 days (days 2-6), cytarabine 2000 mg/m\^2 daily by IV for 5 days (days 2-6) and idarubicin 10 mg/m\^2 daily by IV for 3 days (days 2-4). Participants receiving MEC or FLAG-IDA received 1 cycle of therapy and were assessed for response on or after day 15. After the end of treatment period, participants were allowed to enter the long-term follow-up period of up to 3 years for collection of subsequent AML treatment, EQ-5D-5L, remission status and survival (cause of death and date of death).
    id
    OG001
    title
    Salvage Chemotherapy
param Type
MEAN
population Description
The analysis population was the ITT, with participants with data at baseline.
reporting Status
POSTED
time Frame
Baseline, Cycle 1 Day 8 and Cycle 2 Day 1
title
Change From Baseline in Brief Fatigue Inventory (BFI)
type
SECONDARY
unit Of Measure
Units on a scale

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Preserved source evidence · Not medical advice