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Pharmacogenomic analysis for Phase II clinical trial of the third-line Cetuximab and irinotecan or Cetuximab therapy for patients with KRAS wild type unresectable/recurrent colorectal cancer

Pharmacogenomic analysis for Phase II clinical trial of the third-line Cetuximab and irinotecan or Cetuximab therapy for patients with KRAS wild type unresectable/recurrent colorectal cancer - CEREB trial CEtuximab, REsearch on Biomarker

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000004507
Enrollment
60
Registered
2010-11-08
Start date
2009-03-01
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

Colorectal Cancer

Interventions

Sponsors

National Cancer Center Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Unresectable advanced or recurrent colorectal cancer. 2) KRAS wild type 3) Histologically proved adenocarcinoma, mucinous carcinoma, or signet ring cell carcinoma of the colon or rectum. In the recurrent case, histology of the primary site must have been confirmed in the past. Additional histological confirmation of metastatic or recurrent site is not necessary. 4) Age more than 20years and less than 75 years. 5) ECOG performance status of 0,1 or 2. 6) Survival time more than 2 months after registration expect 7) At least one measurable lesion based on the RECIST criterion. 8) Irinotecan and fluoropyrimidine and oxaliplatin resistant or intorerable case 9) No prior anti-EGFR therapyies 10) Required baseline laboratory parameters (within 7 days before registration): Hb more than 8.0g/dl WBC more than 3000 and WBC less than 12000/ul Plt more than 75,000/ul T-Bil less than 1.5mg/dl GOT less than 100 IU/l GPT less than 100 IU/l Cre less than 1.5mg/dl 11) Required no therapy time from prior therapy to registration Surgical procedure over 4 weeks before registration Radiation :4 weeks Chemotherapy:4 weeks 12) Signed informed consent of the patient for the registration.

Exclusion criteria

Exclusion criteria: 1) active other malignancies within 5 years 2) history of the severe drug hypersensitivity 3) clinically significant infectious disease(body temperature less than 38.0 degrees) 4) severe complications (ileus, bowel obstruction, interstitial lung disease, pulmonary fibrosis, uncontrolled diabetes mellitus, heart failure, renal failure, hepatic failure and so on) 5) Patients who have abnormal findings on ECG and need any treatment (within 4 weeks before the registration.) 6) Moderate/severe pleural effusion or ascites 7) Symptomatic brain metastasis 8)Patient need transfusion because GI bleeding 9) Uncontrolled watery diarrhea. Watery colostomy output without trouble with patient's daily living is allowed. 16) Pregnant or lactating women, women who are capable of pregnancy or intend to get pregnant, men who don't intend to have protected intercourse. 17) Any other cases who are regarded as inadequate for study enrollment by the investigator.

Design outcomes

Secondary

MeasureTime frame
Response Rate, Progression free survival, Overall survival,Time to progression, The incidence of grade 3/4 Skin toxicity,Time to progression of irinotecan combined regimen(A group)

Primary

MeasureTime frame
Adverse events of grade 3/4

Countries

Japan

Contacts

Public ContactKen Kato

National Cancer Center Hospital Gastrointestinal Oncology Division

kenkato@ncc.go.jp03-3542-2511

Outcome results

None listed

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