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NCT02255461 · OUTCOME

Steady State Apparent Oral Clearance (CL/F)

Palbociclib Isethionate in Treating Younger Patients With Recurrent, Progressive, or Refractory Central Nervous System Tumors · Source last updated 2021-03-02

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

Measure
MEDIAN
Unit
L/h/m^2
Interval / dispersion
Full Range
Time frame
Up to day 22

What was measured

On day 21 of course 1, series blood samples for palbociclib pharmacokinetic studies were collected at pre-dose, 1, 2, 4, 8 (±1), 10 (±0.5) optional, and 24 (±4) hours after the dose. Apparent oral clearance (CL/F) was estimated using a non-compartmental method.

Analysis population: Patients with blood samples collected for pharmacokinetic studies on days 21-22 of course 1 were included.

Groups in this outcome

Stratum I, Dose Level 1 (50 mg/m2)

Less-heavily pre-treated patients received oral palbociclib daily at 50 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.

Stratum I, Dose Level 2 (75 mg/m2)

Less-heavily pre-treated patients received oral palbociclib daily at 75 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.

Stratum I, Dose Level 3 (95 mg/m2)

Less-heavily pre-treated patients received oral palbociclib daily at 95 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.

Stratum II, Dose Level 1 (50 mg/m2)

Heavily pre-treated patients received oral palbociclib daily at 50 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.

Stratum II, Dose Level 2 (75mg/m2)

Heavily pre-treated patients received oral palbociclib daily at 75 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.

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

Analysis denominator · Participants

GroupSource count
Stratum I, Dose Level 1 (50 mg/m2)2
Stratum I, Dose Level 2 (75 mg/m2)10
Stratum I, Dose Level 3 (95 mg/m2)3
Stratum II, Dose Level 1 (50 mg/m2)4
Stratum II, Dose Level 2 (75mg/m2)8

Reported measurements

Source class 1
Values in L/h/m^2 · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Stratum I, Dose Level 1 (50 mg/m2)26.6Not reported19.034.2Not reported
Stratum I, Dose Level 2 (75 mg/m2)25.8Not reported12.3101.0Not reported
Stratum I, Dose Level 3 (95 mg/m2)28.1Not reported20.835.3Not reported
Stratum II, Dose Level 1 (50 mg/m2)17.0Not reported9.764.0Not reported
Stratum II, Dose Level 2 (75mg/m2)16.1Not reported12.162.4Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        19.0
        upper Limit
        34.2
        value
        26.6
      2. group Id
        OG001
        lower Limit
        12.3
        upper Limit
        101.0
        value
        25.8
      3. group Id
        OG002
        lower Limit
        20.8
        upper Limit
        35.3
        value
        28.1
      4. group Id
        OG003
        lower Limit
        9.7
        upper Limit
        64.0
        value
        17.0
      5. group Id
        OG004
        lower Limit
        12.1
        upper Limit
        62.4
        value
        16.1
denoms
  1. counts
    1. group Id
      OG000
      value
      2
    2. group Id
      OG001
      value
      10
    3. group Id
      OG002
      value
      3
    4. group Id
      OG003
      value
      4
    5. group Id
      OG004
      value
      8
    units
    Participants
description
On day 21 of course 1, series blood samples for palbociclib pharmacokinetic studies were collected at pre-dose, 1, 2, 4, 8 (±1), 10 (±0.5) optional, and 24 (±4) hours after the dose. Apparent oral clearance (CL/F) was estimated using a non-compartmental method.
dispersion Type
Full Range
groups
  1. description
    Less-heavily pre-treated patients received oral palbociclib daily at 50 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.
    id
    OG000
    title
    Stratum I, Dose Level 1 (50 mg/m2)
  2. description
    Less-heavily pre-treated patients received oral palbociclib daily at 75 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.
    id
    OG001
    title
    Stratum I, Dose Level 2 (75 mg/m2)
  3. description
    Less-heavily pre-treated patients received oral palbociclib daily at 95 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.
    id
    OG002
    title
    Stratum I, Dose Level 3 (95 mg/m2)
  4. description
    Heavily pre-treated patients received oral palbociclib daily at 50 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.
    id
    OG003
    title
    Stratum II, Dose Level 1 (50 mg/m2)
  5. description
    Heavily pre-treated patients received oral palbociclib daily at 75 mg/m2/day for 21 days followed by a week rest (one course = 28 days) for up to 26 courses in the absence of disease progression or unacceptable toxicity.
    id
    OG004
    title
    Stratum II, Dose Level 2 (75mg/m2)
param Type
MEDIAN
population Description
Patients with blood samples collected for pharmacokinetic studies on days 21-22 of course 1 were included.
reporting Status
POSTED
time Frame
Up to day 22
title
Steady State Apparent Oral Clearance (CL/F)
type
PRIMARY
unit Of Measure
L/h/m^2

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Preserved source evidence · Not medical advice