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Randomized phase II study of oxaliplatin reintroduction and the biweekly XELOX in previously treated patients with metastatic colorectal cancer (ORION study)

Randomized phase II study of oxaliplatin reintroduction and the biweekly XELOX in previously treated patients with metastatic colorectal cancer (ORION study) - Randomized phase II study of oxaliplatin reintroduction and the biweekly XELOX (ORION study)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000004122
Enrollment
42
Registered
2010-09-01
Start date
2010-09-01
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

Oxaliplatin 130mg/m2 day1 Capacitabine 2000mg/m2 day1-14 every 3 weeks Oxaliplatin 85mg/m2 day1 Capacitabine 2000mg/m2 day1-7 every 2 weeks

Sponsors

NPO Epidemiological and Clinical Research Information Network (ECRIN)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) histopathologically confirmed colorectal cancer. 2) colorectal cancer that is not amenable to curative resection and have previously received chemotherapy containing oxaliplatin (e.g. FOLFOX4, mFOLFOX6, or XELOX) and irinotecan (e.g. FOLFIRI, IRIS, or irinotecan monotherapy). 3) patients will not have received oxaliplatin immediately before this trial. 4) at least stable disease(SD) during previous oxaliplatin-based therapy. 5) Presence of target lesion according to the RECIST. 6) ECOG Performance status(PS) of 0-2. 7) age of 20 years or older. 8) A life expectancy of more than 12 week. 9) no severe organ failure: and suitable results of all laboratory test performed within 7 days before enrollment. WBC <= 2,000/mm3 and <= 12,000/mm3 neutrophil >= 1,000/mm3 platelet >= 100,000/mm3 AST and ALT <= 3 times the institutional upper limit of normal or <= 5 times if the patient has liver metastasis T-Bil <= 1.5 times the institutional upper limit of normal Cr <= the institutional upper limit of normal 10) Written informed consent will be obtained from each patient before enrollment.

Exclusion criteria

Exclusion criteria: 1) blood transfusion or administration of blood products or hemopoietic factors (e.g. G-CSF) within 7 days before enrollment. 2) a history of serious drug hypersensitivity or serious drug allergy. 3) Grade 3 or 4 sensory neuropathy. 4) PD within the previous 2 months during prior oxaliplatin-based therapy. 5) less than 3 weeks after administration of folic acid preparation in prior chemotherapy 6) active double cancer within the past 5 years 7) uncontrolled pleural effusion or ascites 8) pericardial effusion 9) clinically important infection or suspected infection in febrile patients. 10) brain metastasis 11) significant electrocardiographic abnormality 12) clinically significant heart disease 13) severe pulmonary disease 14) fresh gastrointestinal bleeding 15) diarrhea(watery) or diarrhea that interferes with daily activities for patients with a stoma. 16) bleeding or intestinal obstruction 17) central nervous system disorders 18) senile dementia 19) patients who are judged to be unsuitable for this trial due to clinically significant mental / psychological disease etc 20) uncontrolled diabetes or diabetic neuropathy. 21) women who are pregnant, lactating, or wish to become pregnant. 22) patients who are judged to be ineligible by principal investigator for any other reason.

Design outcomes

Primary

MeasureTime frame
time to treatment failure

Secondary

MeasureTime frame
1)evaluation of fatigue based on Cancer Fatigue Scale 2)relative dose intensity 3)response rate(Disease control rate) 4)progression free survival 5)adverse event 6)overall survival

Countries

Japan

Contacts

Public ContactMai Hatta

Nagoya University Graduate School of Medicine Department of Young Leaders' Program in Medical Administration

m-hatta@med.nagoya-u.ac.jp052-744-2442

Outcome results

None listed

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