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NCT04607421 · OUTCOME

Phase 3: Number of Participants According to B-Raf Serine/Threonine-Protein Kinase (BRAF) Valine 600 (V600) Status From ctDNA

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
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
Cycle 1 Day 1, Cycle 1 Day 15, Cycle 2 Day 15, Cycle 7 Day 1 and End of Treatment (anytime till maximum of 37.25 months)

What was measured

BRAF V600 status from ctDNA was classified as follows; measurable: participants with detectable ctDNA had measurable BRAF V600 tumor biomarker alterations and not measurable: participants with detectable ctDNA did not have measurable BRAF V600 biomarker alterations or overall ctDNA was not detectable. The number of participants as per their BRAF V600 status from ctDNA (measurable and not measurable) have been reported in this outcome measure. In this outcome measure, data is presented for participants outside China and Mainland China participants.

Analysis population: The biomarker analysis set included all participants who were in the safety set and who had at least 1 of the pharmacodynamics or biomarkers evaluated at pre and/or post dose. Here, "Overall Number of Participants Analyzed" signifies participants evaluable for this outcome measure and "Number Analyzed" signifies participants evaluable for specified rows. All Participants under "Overall Number of Participants Analyzed" contributed data to the table but may not have data evaluable for each row.

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.

Phase 3: Arm B [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.

Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]

Participants received standard of care (SOC) chemotherapy per Investigator's choice: mFOLFOX6 with or without bevacizumab or FOLFOXIRI with or without bevacizumab or CAPOX with or without bevacizumab. Bevacizumab was optional and it was given per prescribing instructions of treating physician. mFOLFOX6 (28-day Cycle): 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; FOLFOXIRI (28-day Cycle): fluorouracil 2400 or 3200 mg/m\^2 continuous IV infusion over 46-48 hours Q2W (per local standard of care); leucovorin 400 mg/m\^2 IV infusion for 120 minutes Q2W and oxaliplatin 85 mg/m\^2 IV infusion for 120 minutes Q2W and irinotecan 165 mg/m\^2 as IV infusion for 90 minutes Q2W; CAPOX (21-day Cycle): capecitabine 1000 mg/m\^2 oral tablet twice daily on Days 1-14 and oxaliplatin 130 mg/m\^2 IV infusion for 120 minutes Q3W.

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]147
Phase 3: Arm B [EC + mFOLFOX6]225
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]217

Reported measurements

Outside China: Cycle 1 Day 1

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]123
Phase 3: Arm B [EC + mFOLFOX6]190
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]179

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]105Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]149Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]154Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]18Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]41Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]25Not reportedNot reportedNot reportedNot reported
Outside China: Cycle 1 Day 15

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]106
Phase 3: Arm B [EC + mFOLFOX6]159
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]129

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]58Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]81Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]100Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]48Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]78Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]29Not reportedNot reportedNot reportedNot reported
Outside China: Cycle 2 Day 15

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]103
Phase 3: Arm B [EC + mFOLFOX6]154
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]113

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]47Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]45Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]65Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]56Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]109Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]48Not reportedNot reportedNot reportedNot reported
Outside China: Cycle 7 Day 1

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]55
Phase 3: Arm B [EC + mFOLFOX6]111
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]63

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]25Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]28Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]31Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]30Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]83Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]32Not reportedNot reportedNot reportedNot reported
Outside China: End of Treatment

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]75
Phase 3: Arm B [EC + mFOLFOX6]63
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]102

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]64Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]40Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]71Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]11Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]23Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]31Not reportedNot reportedNot reportedNot reported
Mainland China: Cycle 1 Day 1

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]24
Phase 3: Arm B [EC + mFOLFOX6]35
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]38

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]19Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]29Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]35Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]5Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]6Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]3Not reportedNot reportedNot reportedNot reported
Mainland China: Cycle 1 Day 15

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]22
Phase 3: Arm B [EC + mFOLFOX6]32
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]23

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]12Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]13Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]22Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]10Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]19Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]1Not reportedNot reportedNot reportedNot reported
Mainland China: Cycle 2 Day 15

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]21
Phase 3: Arm B [EC + mFOLFOX6]30
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]21

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]8Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]7Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]11Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]13Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]23Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]10Not reportedNot reportedNot reportedNot reported
Mainland China: Cycle 7 Day 1

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]16
Phase 3: Arm B [EC + mFOLFOX6]22
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]8

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]6Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]5Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]4Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]10Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]17Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]4Not reportedNot reportedNot reportedNot reported
Mainland China: End of Treatment

Analysis denominator · Participants

GroupSource count
Phase 3: Arm A [EC]11
Phase 3: Arm B [EC + mFOLFOX6]13
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]20

Measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]10Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]11Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]13Not reportedNot reportedNot reportedNot reported

Not measurable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Phase 3: Arm A [EC]1Not reportedNot reportedNot reportedNot reported
Phase 3: Arm B [EC + mFOLFOX6]2Not reportedNot reportedNot reportedNot reported
Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]7Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        105
      2. group Id
        OG001
        value
        149
      3. group Id
        OG002
        value
        154
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        18
      2. group Id
        OG001
        value
        41
      3. group Id
        OG002
        value
        25
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        123
      2. group Id
        OG001
        value
        190
      3. group Id
        OG002
        value
        179
      units
      Participants
    title
    Outside China: Cycle 1 Day 1
  2. categories
    1. measurements
      1. group Id
        OG000
        value
        58
      2. group Id
        OG001
        value
        81
      3. group Id
        OG002
        value
        100
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        48
      2. group Id
        OG001
        value
        78
      3. group Id
        OG002
        value
        29
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        106
      2. group Id
        OG001
        value
        159
      3. group Id
        OG002
        value
        129
      units
      Participants
    title
    Outside China: Cycle 1 Day 15
  3. categories
    1. measurements
      1. group Id
        OG000
        value
        47
      2. group Id
        OG001
        value
        45
      3. group Id
        OG002
        value
        65
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        56
      2. group Id
        OG001
        value
        109
      3. group Id
        OG002
        value
        48
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        103
      2. group Id
        OG001
        value
        154
      3. group Id
        OG002
        value
        113
      units
      Participants
    title
    Outside China: Cycle 2 Day 15
  4. categories
    1. measurements
      1. group Id
        OG000
        value
        25
      2. group Id
        OG001
        value
        28
      3. group Id
        OG002
        value
        31
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        30
      2. group Id
        OG001
        value
        83
      3. group Id
        OG002
        value
        32
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        55
      2. group Id
        OG001
        value
        111
      3. group Id
        OG002
        value
        63
      units
      Participants
    title
    Outside China: Cycle 7 Day 1
  5. categories
    1. measurements
      1. group Id
        OG000
        value
        64
      2. group Id
        OG001
        value
        40
      3. group Id
        OG002
        value
        71
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        11
      2. group Id
        OG001
        value
        23
      3. group Id
        OG002
        value
        31
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        75
      2. group Id
        OG001
        value
        63
      3. group Id
        OG002
        value
        102
      units
      Participants
    title
    Outside China: End of Treatment
  6. categories
    1. measurements
      1. group Id
        OG000
        value
        19
      2. group Id
        OG001
        value
        29
      3. group Id
        OG002
        value
        35
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        5
      2. group Id
        OG001
        value
        6
      3. group Id
        OG002
        value
        3
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        24
      2. group Id
        OG001
        value
        35
      3. group Id
        OG002
        value
        38
      units
      Participants
    title
    Mainland China: Cycle 1 Day 1
  7. categories
    1. measurements
      1. group Id
        OG000
        value
        12
      2. group Id
        OG001
        value
        13
      3. group Id
        OG002
        value
        22
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        10
      2. group Id
        OG001
        value
        19
      3. group Id
        OG002
        value
        1
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        22
      2. group Id
        OG001
        value
        32
      3. group Id
        OG002
        value
        23
      units
      Participants
    title
    Mainland China: Cycle 1 Day 15
  8. categories
    1. measurements
      1. group Id
        OG000
        value
        8
      2. group Id
        OG001
        value
        7
      3. group Id
        OG002
        value
        11
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        13
      2. group Id
        OG001
        value
        23
      3. group Id
        OG002
        value
        10
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        21
      2. group Id
        OG001
        value
        30
      3. group Id
        OG002
        value
        21
      units
      Participants
    title
    Mainland China: Cycle 2 Day 15
  9. categories
    1. measurements
      1. group Id
        OG000
        value
        6
      2. group Id
        OG001
        value
        5
      3. group Id
        OG002
        value
        4
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        10
      2. group Id
        OG001
        value
        17
      3. group Id
        OG002
        value
        4
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        16
      2. group Id
        OG001
        value
        22
      3. group Id
        OG002
        value
        8
      units
      Participants
    title
    Mainland China: Cycle 7 Day 1
  10. categories
    1. measurements
      1. group Id
        OG000
        value
        10
      2. group Id
        OG001
        value
        11
      3. group Id
        OG002
        value
        13
      title
      Measurable
    2. measurements
      1. group Id
        OG000
        value
        1
      2. group Id
        OG001
        value
        2
      3. group Id
        OG002
        value
        7
      title
      Not measurable
    denoms
    1. counts
      1. group Id
        OG000
        value
        11
      2. group Id
        OG001
        value
        13
      3. group Id
        OG002
        value
        20
      units
      Participants
    title
    Mainland China: End of Treatment
denoms
  1. counts
    1. group Id
      OG000
      value
      147
    2. group Id
      OG001
      value
      225
    3. group Id
      OG002
      value
      217
    units
    Participants
description
BRAF V600 status from ctDNA was classified as follows; measurable: participants with detectable ctDNA had measurable BRAF V600 tumor biomarker alterations and not measurable: participants with detectable ctDNA did not have measurable BRAF V600 biomarker alterations or overall ctDNA was not detectable. The number of participants as per their BRAF V600 status from ctDNA (measurable and not measurable) have been reported in this outcome measure. In this outcome measure, data is presented for participants outside China and Mainland China participants.
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]
  2. 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
    OG001
    title
    Phase 3: Arm B [EC + mFOLFOX6]
  3. description
    Participants received standard of care (SOC) chemotherapy per Investigator's choice: mFOLFOX6 with or without bevacizumab or FOLFOXIRI with or without bevacizumab or CAPOX with or without bevacizumab. Bevacizumab was optional and it was given per prescribing instructions of treating physician. mFOLFOX6 (28-day Cycle): 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; FOLFOXIRI (28-day Cycle): fluorouracil 2400 or 3200 mg/m\^2 continuous IV infusion over 46-48 hours Q2W (per local standard of care); leucovorin 400 mg/m\^2 IV infusion for 120 minutes Q2W and oxaliplatin 85 mg/m\^2 IV infusion for 120 minutes Q2W and irinotecan 165 mg/m\^2 as IV infusion for 90 minutes Q2W; CAPOX (21-day Cycle): capecitabine 1000 mg/m\^2 oral tablet twice daily on Days 1-14 and oxaliplatin 130 mg/m\^2 IV infusion for 120 minutes Q3W.
    id
    OG002
    title
    Phase 3: Arm C [Standard of Care Chemotherapy, Control Arm]
param Type
COUNT_OF_PARTICIPANTS
population Description
The biomarker analysis set included all participants who were in the safety set and who had at least 1 of the pharmacodynamics or biomarkers evaluated at pre and/or post dose. Here, "Overall Number of Participants Analyzed" signifies participants evaluable for this outcome measure and "Number Analyzed" signifies participants evaluable for specified rows. All Participants under "Overall Number of Participants Analyzed" contributed data to the table but may not have data evaluable for each row.
reporting Status
POSTED
time Frame
Cycle 1 Day 1, Cycle 1 Day 15, Cycle 2 Day 15, Cycle 7 Day 1 and End of Treatment (anytime till maximum of 37.25 months)
title
Phase 3: Number of Participants According to B-Raf Serine/Threonine-Protein Kinase (BRAF) Valine 600 (V600) Status From ctDNA
type
SECONDARY
unit Of Measure
Participants

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Not medical advice