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Phase 2 N=95 Treatment

Encorafenib, Binimetinib and Cetuximab in Subjects With Previously Untreated BRAF-mutant ColoRectal Cancer

BRAF V600E-mutant Metastatic Colorectal Cancer

Enrolled (actual)
95
Serious AEs
51.6%
Results posted
Aug 2022
Primary outcome: Primary: Confirmed Overall Response Rate (cORR) Based on Local Tumor Assessments — 47.8 percentage of confirmed responses

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
encorafenib (Drug); Binimetinib (Drug); Cetuximab (Drug)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Pierre Fabre Medicament
Primary completion
Jun 2020

Outcome Measures

OutcomeResultp-value
PRIMARY
Confirmed Overall Response Rate (cORR) Based on Local Tumor Assessments
47.8
SECONDARY
Confirmed Overall Response Rate (cORR) Based on Central Tumor Assessment
45.7
SECONDARY
Overall Response Rate (ORR) Based on Local Tumor Assessments
62
SECONDARY
Overall Response Rate (ORR) Based on Central Tumor Assessments
60.9
SECONDARY
Duration of Response (DOR) Per Local Assessment
5.1
SECONDARY
Duration of Response (DOR) Per Central Assessment
5.1
SECONDARY
Time to Response (TTR) Per Local Review
1.4
SECONDARY
Time to Response (TTR) Per Central Review
1.4
SECONDARY
Progression-Free Survival (PFS) Per Local Review
5.8
SECONDARY
Progression of Free Survival (PFS) Per Central Review
5.0
SECONDARY
Overall Survival (OS)
17.2
SECONDARY
Plasma Concentration of Encorafenib
SECONDARY
Plasma Concentration of Binimetinib
SECONDARY
Plasma Concentration of Cetuximab
SECONDARY
Change From Baseline in EORTC QLQ-C30 Over Time
-2.64; -0.35; 0.97; -0.89; -1.92; -5.39
SECONDARY
Change From Baseline in EQ-5D-5L Over Time
0.04; 0.35; 2.66; 3.73; 1.69; 1.31
SECONDARY
PGIC Scores Over Time
5; 15; 17; 29; 3; 0

Summary

The purpose of this study is to evaluate the efficacy and safety of the combination of study drugs encorafenib, binimetinib and cetuximab in patients who have BRAF V600 mutant metastatic colorectal cancer and have not received any prior treatment for their metastatic disease.

Eligibility Criteria

Inclusion Criteria

  • Male or female ≥ 18 years of age
  • Histologically or cytologically confirmed CRC that is metastatic
  • Presence of BRAF V600E in tumor tissue determined by local assay at any time prior to screening
  • Evidence of measurable disease as per RECIST, v1.1
  • Subject able to receive cetuximab as per approved label with regards to RAS status
  • Eastern Cooperative Oncology Group Status (ECOG) 0 or 1
  • Adequate renal, hepatic, cardiac and bone marrow functions and adequate electrolytes as per protocol
  • Subject able to take oral medications

Exclusion Criteria

  • Prior systemic therapy for metastatic disease
  • Prior treatment with any RAF inhibitor, MEK inhibitor, cetuximab or other anti-EGFR inhibitors
  • Symptomatic brain metastasis or Leptomeningeal disease
  • History or current evidence of Retinal Vein Occlusion (RVO) or current risk factors for RVO
  • History of chronic inflammatory bowel disease or Crohn's disease requiring medical intervention (immunomodulatory or immunosuppressive medications or surgery) ≤ 12 months prior to first dose.
  • Impaired cardiovascular function or clinically significant cardiovascular diseases: history of myocardial infarction or coronary disorders within 6 months prior to start of study treatment, symptomatic congestive heart failure (grade 2 or higher), past or current clinically significant arrhythmia and/or conduction disorder within 6 months prior to study treatment start
  • History of thromboembolic or cerebrovascular events within 6 months prior to start of study treatment
  • Concurrent neuromuscular disorder that is associated with potential elevation of Creatine Kinase
  • Known contraindication to cetuximab administration as per SPC/approved label
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT03693170). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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