Phase 2
N=95
Encorafenib, Binimetinib and Cetuximab in Subjects With Previously Untreated BRAF-mutant ColoRectal Cancer
BRAF V600E-mutant Metastatic Colorectal Cancer
Bottom Line
View on ClinicalTrials.gov: NCT03693170 ↗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
| Outcome | Result | p-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
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.