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NCT04607421 · OUTCOME

SLI, Cohort 2: Ratio of AUClast on Cycle 1 Day 15 as Compared to Cycle 1 Day 1 for Oxaliplatin

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
NUMBER
Unit
Ratio
Interval / dispersion
90% Confidence Interval
Time frame
Cohort 2: Pre-dose (0 hr), 1, 2, 3, 4, 6, 8, and 48 hrs post-dose on Days 1 and 15 of Cycle 1

What was measured

AUClast was defined as area under the plasma concentration time curve from time zero to the last measurable concentration. AUClast was calculated using linear/log trapezoidal method. Oxaliplatin was evaluated as total platinum in plasma and platinum in plasma ultrafiltrate. The ratio between geometric LS mean (within Cohort 2) for AUClast on Cycle 1 Day 15 and geometric LS mean (within Cohort 2) for AUClast on Cycle 1 Day 1 for Oxaliplatin has been presented in this outcome measure, which explains the data reported for this outcome measure using measure type as "Number".

Analysis population: The PK parameter analysis set was analyzed. Here, "Overall Number of Participants Analyzed" signifies participants evaluable for this outcome measure. Participants received oxaliplatin in Cohort 2 of SLI, hence data is reported only for Cohort 2 and not for Cohort 1.

Groups in this outcome

SLI: Cohort 2 [EC + mFOLFOX6]

Participants received encorafenib 300 mg QD orally and cetuximab 500 mg/m\^2 IV infusion for 120 minutes Q2W along with fluorouracil 400 mg/m\^2 IV bolus then 2400 mg/m\^2 continuous IV infusion over 46-48 hours Q2W; leucovorin 400 mg/m\^2 IV infusion for 120 minutes Q2W and oxaliplatin 85 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
SLI: Cohort 2 [EC + mFOLFOX6]15

Reported measurements

Platinum in plasma
Values in Ratio · Interval/dispersion: 90% Confidence Interval
GroupValueSpreadLowerUpperComment
SLI: Cohort 2 [EC + mFOLFOX6]1.12Not reported1.041.2Not reported
Platinum in ultrafiltrate
Values in Ratio · Interval/dispersion: 90% Confidence Interval
GroupValueSpreadLowerUpperComment
SLI: Cohort 2 [EC + mFOLFOX6]1.04Not reported0.9851.11Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        1.04
        upper Limit
        1.2
        value
        1.12
    title
    Platinum in plasma
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.985
        upper Limit
        1.11
        value
        1.04
    title
    Platinum in ultrafiltrate
denoms
  1. counts
    1. group Id
      OG000
      value
      15
    units
    Participants
description
AUClast was defined as area under the plasma concentration time curve from time zero to the last measurable concentration. AUClast was calculated using linear/log trapezoidal method. Oxaliplatin was evaluated as total platinum in plasma and platinum in plasma ultrafiltrate. The ratio between geometric LS mean (within Cohort 2) for AUClast on Cycle 1 Day 15 and geometric LS mean (within Cohort 2) for AUClast on Cycle 1 Day 1 for Oxaliplatin has been presented in this outcome measure, which explains the data reported for this outcome measure using measure type as "Number".
dispersion Type
90% Confidence Interval
groups
  1. description
    Participants received encorafenib 300 mg QD orally and cetuximab 500 mg/m\^2 IV infusion for 120 minutes Q2W along with fluorouracil 400 mg/m\^2 IV bolus then 2400 mg/m\^2 continuous IV infusion over 46-48 hours Q2W; leucovorin 400 mg/m\^2 IV infusion for 120 minutes Q2W and oxaliplatin 85 mg/m\^2 IV infusion for 120 minutes Q2W. Participants received treatment in 28-day cycles.
    id
    OG000
    title
    SLI: Cohort 2 [EC + mFOLFOX6]
param Type
NUMBER
population Description
The PK parameter analysis set was analyzed. Here, "Overall Number of Participants Analyzed" signifies participants evaluable for this outcome measure. Participants received oxaliplatin in Cohort 2 of SLI, hence data is reported only for Cohort 2 and not for Cohort 1.
reporting Status
POSTED
time Frame
Cohort 2: Pre-dose (0 hr), 1, 2, 3, 4, 6, 8, and 48 hrs post-dose on Days 1 and 15 of Cycle 1
title
SLI, Cohort 2: Ratio of AUClast on Cycle 1 Day 15 as Compared to Cycle 1 Day 1 for Oxaliplatin
type
SECONDARY
unit Of Measure
Ratio

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Preserved source evidence · Not medical advice