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A Phase 2, Single-Arm study of encorafenib plus cetuximab as rechallenge treatment of BRAF V600E-mutant metastatic colorectal cancer patients after previous therapy with BRAF inhibitors-based combinations: the RefIsh trial

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-509564-22-00
Acronym
VHIO23004
Enrollment
25
Registered
2025-07-31
Start date
Unknown
Completion date
Unknown
Last updated
2025-07-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients with BRAF V600E-mutant metastatic colorectal cancer (mCRC) who had received and responded to a BRAF inhibitor-based treatment.

Brief summary

Progression-free survival rate at 4 months (4-month PFS) according to RECIST V1.1 by Investigator assessment.

Detailed description

Objective Response Rate (ORR) according to RECIST V1.1 by Investigator assessment., Progression free survival (PFS) according to RECIST V1.1 by Investigator assessment., Overall survival (OS), Clinical efficacy based on the presence absence of acquired genomic mechanism of resistance detected in the NGS baseline to the rechallenge., Incidence and severity of adverse events (AEs), graded by Common Terminology Criteria for Adverse Events (CTCAE) version 5.0., Change in clinical laboratory test parameters, vital signs, ECGs and echocardiogram/MUGA scans.

Interventions

DRUGENCORAFENIB
DRUGCETUXIMAB

Sponsors

Vall D Hebron Institute Of Oncology
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Progression-free survival rate at 4 months (4-month PFS) according to RECIST V1.1 by Investigator assessment.

Secondary

MeasureTime frame
Objective Response Rate (ORR) according to RECIST V1.1 by Investigator assessment., Progression free survival (PFS) according to RECIST V1.1 by Investigator assessment., Overall survival (OS), Clinical efficacy based on the presence absence of acquired genomic mechanism of resistance detected in the NGS baseline to the rechallenge., Incidence and severity of adverse events (AEs), graded by Common Terminology Criteria for Adverse Events (CTCAE) version 5.0., Change in clinical laboratory test parameters, vital signs, ECGs and echocardiogram/MUGA scans.

Countries

Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026