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NCT04607421 · OUTCOME

Phase 3: AUC6 of Encorafenib and Its Metabolite LHY746 in Mainland China Participants

A Study of Encorafenib Plus Cetuximab With or Without Chemotherapy in People With Previously Untreated Metastatic Colorectal Cancer · Source last updated 2026-06-11

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

Measure
GEOMETRIC_MEAN
Unit
Nanogram*hour per milliliter
Interval / dispersion
Geometric Coefficient of Variation
Time frame
Pre-dose (0 hr), 0.5, 1, 2, 3, 4, 5 and 6 hrs post-dose on Days 1 and 15 of Cycle 1

What was measured

The AUC was estimated from time 0 to 6 hours post dose. AUC6 was computed using the Linear/Log trapezoidal method. LHY746 is a metabolite of Encorafenib.

Analysis population: The PK parameter analysis set was analyzed. Here, "Overall Number of Participants Analyzed" signifies participants evaluable for this outcome measure. As pre-specified in the protocol of the study, 12 PK evaluable participants in mainland China were randomized in Arm A, no additional participants were required from Arm B and participants did not receive encorafenib in Arm C. Hence, data is reported only for Arm A and not for Arms B and C.

Groups in this outcome

Phase 3: Arm A [EC]

Participants received encorafenib 300 mg QD orally and cetuximab 500 mg/m\^2 IV infusion for 120 minutes Q2W. Participants received treatment in 28-day cycles.

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

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]11

Reported measurements

Encorafenib: Cycle 1 Day 1
Values in Nanogram*hour per milliliter · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]1540061.2Not reportedNot reportedNot reported
LHY746: Cycle 1 Day 1
Values in Nanogram*hour per milliliter · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]289063Not reportedNot reportedNot reported
Encorafenib: Cycle 1 Day 15
Values in Nanogram*hour per milliliter · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]801041.6Not reportedNot reportedNot reported
LHY746: Cycle 1 Day 15
Values in Nanogram*hour per milliliter · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]510083.8Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        61.2
        value
        15400
    title
    Encorafenib: Cycle 1 Day 1
  2. categories
    1. measurements
      1. group Id
        OG000
        spread
        63
        value
        2890
    title
    LHY746: Cycle 1 Day 1
  3. categories
    1. measurements
      1. group Id
        OG000
        spread
        41.6
        value
        8010
    title
    Encorafenib: Cycle 1 Day 15
  4. categories
    1. measurements
      1. group Id
        OG000
        spread
        83.8
        value
        5100
    title
    LHY746: Cycle 1 Day 15
denoms
  1. counts
    1. group Id
      OG000
      value
      11
    units
    Participants
description
The AUC was estimated from time 0 to 6 hours post dose. AUC6 was computed using the Linear/Log trapezoidal method. LHY746 is a metabolite of Encorafenib.
dispersion Type
Geometric Coefficient of Variation
groups
  1. description
    Participants received encorafenib 300 mg QD orally and cetuximab 500 mg/m\^2 IV infusion for 120 minutes Q2W. Participants received treatment in 28-day cycles.
    id
    OG000
    title
    Phase 3: Arm A [EC]
param Type
GEOMETRIC_MEAN
population Description
The PK parameter analysis set was analyzed. Here, "Overall Number of Participants Analyzed" signifies participants evaluable for this outcome measure. As pre-specified in the protocol of the study, 12 PK evaluable participants in mainland China were randomized in Arm A, no additional participants were required from Arm B and participants did not receive encorafenib in Arm C. Hence, data is reported only for Arm A and not for Arms B and C.
reporting Status
POSTED
time Frame
Pre-dose (0 hr), 0.5, 1, 2, 3, 4, 5 and 6 hrs post-dose on Days 1 and 15 of Cycle 1
title
Phase 3: AUC6 of Encorafenib and Its Metabolite LHY746 in Mainland China Participants
type
SECONDARY
unit Of Measure
Nanogram*hour per milliliter

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Preserved source evidence · Not medical advice