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A phase I/II study of chemotherapy using Irinotecan, S-1 plus Oxaliplatin (IRISOX therapy) for unresectable pancreatic cancer

A phase I/II study of chemotherapy using Irinotecan, S-1 plus Oxaliplatin (IRISOX therapy) for unresectable pancreatic cancer - IRISOX therapy for unresectable pancreatic cancer

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000016945
Enrollment
25
Registered
2015-03-27
Start date
2015-04-01
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

unresectable pancreatic cancer

Interventions

Irinotecan: dose escalation S-1: dose escalation Oxaliplatin: fixed dose

Sponsors

Department of Gastroenterology Kitasato University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Pathologically diagnosed Adenocarcinoma or Adenosquamous carcinoma 2. Aged 20 to 75 years old 3. ECOG PS of 0 or 1 4. Life expectancy > 3 months. 5. Sufficient oral intake 6. Unresectable 7. The subject has measurable disease. 8. No prior therapy for pancreatic cancer 9. Adequate organ functions 10. Written informed consent

Exclusion criteria

Exclusion criteria: 1. Patients with contraindication for the medication of Irinotecan, S-1 and L-OHP 2. History of serious drug hypersensitivity or a history of drug allergy 3. Pregnancy 4. Active infection 5. Severe complications 6. Peripheral neuropathy 7. Serious diarrhea 8. Intestinal pneumonitis or pulmonary fibrosis 9. Much ascites or pleural effusion or pericardial effusion 10. Active double cancer 11. Symptomatic brain metastasis 12. Regular use of frucitocin, fenitoin or warfarin 13. Having UGT1A1*6/*6, UGT1A1*28/*28, or UGT1A1*6/*28 gene 14. HBV carrier who has to take nucleotide analogues during chemotherapy 15. Inappropriate for this study judged by the attending physician

Design outcomes

Primary

MeasureTime frame
Phase I : MTD, RD Phase II : response rate

Secondary

MeasureTime frame
Safety, progression-free survival

Countries

Japan

Contacts

Public ContactKosuke Okuwaki

Kitasato University School of Medicine Department of Gastroenterology

kokuwaki@kitasato-u.ac.jp+81-42-778-8111

Outcome results

None listed

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