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NCT02393248 · OUTCOME

EC50 Following Once Daily Dosing of Pemigatinib as Monotherapy in Parts 1 and 2

Open-Label, Dose-Escalation Study of Pemigatinib in Subjects With Advanced Malignancies - (FIGHT-101) · Source last updated 2023-01-06

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

Measure
GEOMETRIC_MEAN
Unit
hours*nanomoles
Interval / dispersion
Geometric Coefficient of Variation
Time frame
predose on Days 1 and 14 of Cycle 1; anytime during visit on Day 1 of Cycle 2 and all subsequent cycles

What was measured

EC50 was defined as the pemigatinib steady-state area under the plasma or serum concentration-time curve that increases 50% of serum phosphate.

Analysis population: PK/PD Population. The average serum concentration of phosphate on Cycle 1 Days 8 and 15 was chosen as a dependent variable for E-R analysis, which was independent of the intermittent dosing and continuous dosing regimens. Therefore, the intermittent dosing and continuous dosing groups from Parts 1 and 2 were combined into a single analysis group for E-R analysis.

Groups in this outcome

Parts 1 and 2: Intermittent or Continuous Pemigatinib

Participant self-administered intermittent pemigatinib once daily (QD) or continuous pemigatinib QD or twice daily (BID). Intermittent dosing: participants self-administered oral pemigatinib 1/2/4 milligrams (mg), 6 mg, 9 mg, 13.5 mg, or 20 mg once daily (QD) on a 2-weeks-on therapy and 1-week-off therapy schedule in Part 1 or Part 2. The treatment cycle consisted of: Days 1 through 14: pemigatinib QD; Days 15 through 21: treatment break. Continuous dosing: participants self-administered oral pemigatinib 9 mg, 13.5 mg, or 20 mg QD on Days 1 through 21 of each 21-day cycle in Part 1 or Part 2. Participants self-administered oral pemigatinib 7.5 mg or 10 mg BID on Days 1 through 21 of each 21-day cycle in Part 1.

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

Analysis denominator · Participants

GroupSource count
Parts 1 and 2: Intermittent or Continuous Pemigatinib93

Reported measurements

Source class 1
Values in hours*nanomoles · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Parts 1 and 2: Intermittent or Continuous Pemigatinib157321.6Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        21.6
        value
        1573
denoms
  1. counts
    1. group Id
      OG000
      value
      93
    units
    Participants
description
EC50 was defined as the pemigatinib steady-state area under the plasma or serum concentration-time curve that increases 50% of serum phosphate.
dispersion Type
Geometric Coefficient of Variation
groups
  1. description
    Participant self-administered intermittent pemigatinib once daily (QD) or continuous pemigatinib QD or twice daily (BID). Intermittent dosing: participants self-administered oral pemigatinib 1/2/4 milligrams (mg), 6 mg, 9 mg, 13.5 mg, or 20 mg once daily (QD) on a 2-weeks-on therapy and 1-week-off therapy schedule in Part 1 or Part 2. The treatment cycle consisted of: Days 1 through 14: pemigatinib QD; Days 15 through 21: treatment break. Continuous dosing: participants self-administered oral pemigatinib 9 mg, 13.5 mg, or 20 mg QD on Days 1 through 21 of each 21-day cycle in Part 1 or Part 2. Participants self-administered oral pemigatinib 7.5 mg or 10 mg BID on Days 1 through 21 of each 21-day cycle in Part 1.
    id
    OG000
    title
    Parts 1 and 2: Intermittent or Continuous Pemigatinib
param Type
GEOMETRIC_MEAN
population Description
PK/PD Population. The average serum concentration of phosphate on Cycle 1 Days 8 and 15 was chosen as a dependent variable for E-R analysis, which was independent of the intermittent dosing and continuous dosing regimens. Therefore, the intermittent dosing and continuous dosing groups from Parts 1 and 2 were combined into a single analysis group for E-R analysis.
reporting Status
POSTED
time Frame
predose on Days 1 and 14 of Cycle 1; anytime during visit on Day 1 of Cycle 2 and all subsequent cycles
title
EC50 Following Once Daily Dosing of Pemigatinib as Monotherapy in Parts 1 and 2
type
PRIMARY
unit Of Measure
hours*nanomoles

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Preserved source evidence · Not medical advice