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NCT03580655 · BASELINE

Baseline characteristics

(PATHFINDER) Study to Evaluate Efficacy and Safety of Avapritinib (BLU-285), A Selective KIT Mutation-targeted Tyrosine Kinase Inhibitor, in Patients With Advanced Systemic Mastocytosis · Source last updated 2026-04-24

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

denoms
  1. counts
    1. group Id
      BG000
      value
      107
    units
    Participants
groups
  1. description
    Avapritinib was administered once daily as an immediate-release tablet, orally, in 28-day cycles.
    id
    BG000
    title
    Avapritinib
measures
  1. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          spread
          10.38
          value
          67.1
    dispersion Type
    STANDARD_DEVIATION
    param Type
    MEAN
    title
    Age, Continuous
    unit Of Measure
    Years
  2. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          value
          45
        title
        Female
      2. measurements
        1. group Id
          BG000
          value
          62
        title
        Male
    param Type
    COUNT_OF_PARTICIPANTS
    title
    Sex: Female, Male
    unit Of Measure
    Participants
  3. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          value
          2
        title
        Hispanic or Latino
      2. measurements
        1. group Id
          BG000
          value
          91
        title
        Not Hispanic or Latino
      3. measurements
        1. group Id
          BG000
          value
          14
        title
        Unknown or Not Reported
    param Type
    COUNT_OF_PARTICIPANTS
    title
    Ethnicity (NIH/OMB)
    unit Of Measure
    Participants
  4. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          value
          0
        title
        American Indian or Alaska Native
      2. measurements
        1. group Id
          BG000
          value
          1
        title
        Asian
      3. measurements
        1. group Id
          BG000
          value
          0
        title
        Native Hawaiian or Other Pacific Islander
      4. measurements
        1. group Id
          BG000
          value
          0
        title
        Black or African American
      5. measurements
        1. group Id
          BG000
          value
          91
        title
        White
      6. measurements
        1. group Id
          BG000
          value
          0
        title
        More than one race
      7. measurements
        1. group Id
          BG000
          value
          15
        title
        Unknown or Not Reported
    param Type
    COUNT_OF_PARTICIPANTS
    title
    Race (NIH/OMB)
    unit Of Measure
    Participants
population Description
Safety Population: all participants who received at least 1 dose of avapritinib.
Complete source fields
denoms
  1. counts
    1. group Id
      BG000
      value
      107
    units
    Participants
groups
  1. description
    Avapritinib was administered once daily as an immediate-release tablet, orally, in 28-day cycles.
    id
    BG000
    title
    Avapritinib
measures
  1. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          spread
          10.38
          value
          67.1
    dispersion Type
    STANDARD_DEVIATION
    param Type
    MEAN
    title
    Age, Continuous
    unit Of Measure
    Years
  2. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          value
          45
        title
        Female
      2. measurements
        1. group Id
          BG000
          value
          62
        title
        Male
    param Type
    COUNT_OF_PARTICIPANTS
    title
    Sex: Female, Male
    unit Of Measure
    Participants
  3. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          value
          2
        title
        Hispanic or Latino
      2. measurements
        1. group Id
          BG000
          value
          91
        title
        Not Hispanic or Latino
      3. measurements
        1. group Id
          BG000
          value
          14
        title
        Unknown or Not Reported
    param Type
    COUNT_OF_PARTICIPANTS
    title
    Ethnicity (NIH/OMB)
    unit Of Measure
    Participants
  4. classes
    1. categories
      1. measurements
        1. group Id
          BG000
          value
          0
        title
        American Indian or Alaska Native
      2. measurements
        1. group Id
          BG000
          value
          1
        title
        Asian
      3. measurements
        1. group Id
          BG000
          value
          0
        title
        Native Hawaiian or Other Pacific Islander
      4. measurements
        1. group Id
          BG000
          value
          0
        title
        Black or African American
      5. measurements
        1. group Id
          BG000
          value
          91
        title
        White
      6. measurements
        1. group Id
          BG000
          value
          0
        title
        More than one race
      7. measurements
        1. group Id
          BG000
          value
          15
        title
        Unknown or Not Reported
    param Type
    COUNT_OF_PARTICIPANTS
    title
    Race (NIH/OMB)
    unit Of Measure
    Participants
population Description
Safety Population: all participants who received at least 1 dose of avapritinib.

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Preserved source evidence · Not medical advice