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Addition of binimetinib after refractory to encorafenib and cetuximab in patients with BRAF V600E-mutant metastatic colorectal cancer

Phase 2
Recruiting
Conditions
nresectable, advanced or recurrent colorectal cancer with BRAF V600E mutation
Registration Number
JPRN-jRCTs031210510
Lead Sponsor
Bando Hideaki
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
30
Inclusion Criteria

1. Unresectable adenocarcinoma of the colon or rectum (excluding appendiceal carcinoma and anal canal carcinoma) was diagnosed by histological examination
2. Wild-type RAS and BRAF V600E mutation in tumor tissue
3. The best overall response (RECIST Guidelines ver 1.1) was CR, PR, SD (>= 4 months), nonCR/nonPD (>= 4 months) for combination therapy including encorafenib and cetuximab
4. PD by imaging or clinical PD was confirmed within 4 weeks after the last dose of encolafenib
5. No history of MEK inhibitor administration
6. Participating in or planning to participate in the GOZILA trial
7. ECOG PS 0 or 1
8. Age on the date of consent >= 20 years old
9.Possible to take drugs orally
10.Applicable starting doses of encorafenib, binimetinib, and cetuximab as defined in this trial
11. Adequate organ function confirmed by laboratory values measured within 14 days before enrollment
12.Written consent obtained from the patient

Exclusion Criteria

1. Patients have the following serious complications;
a. Active double or more cancer
b. Poorly controlled brain metastasis or leptomeningeal metastasis
c. Active infections
d. Ascites, pleural effusion or pericardial effusion requiring continuous drainage at the date of registration
e. Uncontrolled diabetes mellitus or hypertension
f. Myocardial infarction, severe/unstable angina, symptomatic congestive heart failure (NYHA Class 3 or 4) within the previous 6 months from enrollment
g. Patients with or at risk of previous or current retinal vein occlusion.
h. Psychosis or psychiatric symptoms that make it difficult to participate in this study
2. The following therapy before first protocol treatment;
a. Extensive surgery within 4 weeks
b. Enterostomy within 2 weeks
c. Any antineoplastic treatment within 2 weeks(Encolafenib, cetuximab, and 5-FU are acceptable)
3. Unrecovered adverse events from prior treatment
4. History of serious allergy to encorafenib or cetuximab
5. Severe lung disease
6. Pregnant, lactating, positive pregnancy test, or unwilling to prevent pregnancy
7. Gilbert syndrome or known UGT1A1*6/*6, UGT1A1*28/*28, UGT1A1*6/*28

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Progression-free survival rate at 12 weeks after first protocol treatment
Secondary Outcome Measures
NameTimeMethod
Progression-free survival (PFS)<br>Objective response rate (ORR)<br>Disease control rate (DCR)<br>Time to treatment failure (TTF)<br>Overall survival (OS)<br>Rate of adverse events
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