Skip to content

A phase II trial of TAS-102 in combination with cetuximab for patients with RAS wild-type metastatic colorectal cancer refractory to previous anti-EGFR antibodies(WJOG8916G)

A phase II trial of TAS-102 in combination with cetuximab for patients with RAS wild-type metastatic colorectal cancer refractory to previous anti-EGFR antibodies(WJOG8916G) - A phase II trial of TAS-102 in combination with cetuximab for metastatic colorectal cancer patients(WJOG8916G)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000027210
Enrollment
55
Registered
2017-05-01
Start date
2017-07-04
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Metastatic RAS wild type colorectal cancer which has become refractory or there was intolerance to chemotherapies (fluoropyrimidine, irinotecan, oxaliplatin) and bevacizumab, and refractory to anti-epidermal growth factor receptor(EGFR) antibodies

Interventions

TAS-102 35 mg/m2, orally BID The evening of Day 1 to the morning of Day 6,Evening of Day 8 to the morning of Day 13, every 28 days Cetuximab Initial dose is 400 mg/m2, the subsequent weekly dose

Sponsors

West Japan Oncology Group
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)histopathologically confirmed unresectable or metastatic colorectal adenocarcinoma 2) Wild-type RAS status 3) Measurable disease by response evaluation criteria in solid tumors (RECIST version 1.1) criteria 4) refractory disease or unable to tolerate agents (fluoropyrimidines, irinotecan, oxaliplatin) and antiangiogenic agent (bevacizumab,ramucirumab and aflibercept) , and refractory to anti-EGFR antibodies (cetuximab and panitumumab) 5) No prior TAS-102 6) Patients who have not had major surgery (i.e., thoracotomy or laparotomy) within 4 weeks prior to enrollment. 7) Patients who have not had radiotherapy for bone and/or brain metastases excluding primary colorectal cancer within 2 weeks prior to enrollment 8) Patients who have not had any chemotherapy within 2 weeks prior to enrollment 9) Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1 10) An estimated life expectancy of at least 12 weeks after enrollment 11) Is able to take medications orally 12) Patients must have the following adequate organ functions 13) Ability to understand and the willingness to sign a written informed consent document

Exclusion criteria

Exclusion criteria: 1) Previous grade 3/4 hypersensitivity reaction to Cmab 2) Another malignancy with less than 5 disease-free years 3) Presence of active local or systemic infection under treatment 4) Positive for Hepatitis B surface antigen 5) Radiographic evidence of severe pulmonary fibrosis or interstitial pneumonia on Computed Tomography 6) Symptomatic brain and/or leptomeningeal metastases which needs treatment 7) Serious complications 8) Clinically significant mental or psychological disorder 9) Patients requiring continuous treatment with systemic steroids 10) Females who are pregnant, breastfeeding, or with a positive pregnancy test or males and females of reproductive potential unwilling to use adequate contraception 11) Patients whose participation in the trial was judged to be inappropriate by the attending doctor

Design outcomes

Primary

MeasureTime frame
disease control rate

Secondary

MeasureTime frame
overall survival , progression free survival , response rate , safety

Countries

Japan

Contacts

Public ContactShinichiro Nakamura

West Japan Oncology Group WJOG datacenter

datacenter@wjog.jp06-6633-7400

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026