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A Randomised Phase II trial investigating the duration of adjuvant therapy(6 versus 12 months) with S-1 for patients after resection of pancreatic cancer

A Randomised Phase II trial investigating the duration of adjuvant therapy(6 versus 12 months) with S-1 for patients after resection of pancreatic cancer - Postoperative Adjuvant Chemotherapy S-1 : PACS-1

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000012634
Enrollment
170
Registered
2013-12-20
Start date
2013-12-20
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

Resected pancreatic cancer

Interventions

S-1 40 mg/m2 is given orally twice a day for four weeks, followed by a two-week rest. This course is repeated until 6 months or to meet discontinuation criteria. S-1 40 mg/m2 is given orally twice a d

Sponsors

Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with written informed consent 2) Patients who are judged to be suitable for receiving this protocol therapy by the physician 3) Resected cases with histologically proven invasive ductal carcinoma of the pancreas 4) According to the UICC 7th classification; - Stage I or II, or III in whom celiac artery resection was performed - R0 or R1 - Cancer negative for washing cytology of the abdominal cavity 5) No distant metastasis nor malignant ascites 6) Adequate oral intakes 7) Aged 20 years and older 8) An Eastern Cooperative Oncology Group performance status of 0 or 1 9) No prior history of chemotherapy nor radiation therapy within three years 10) Within 10 weeks after operation 11) Sufficient organ function of bone marrow, liver, and kidney: 12) Patients with laboratory data within 14days before enrollment as follows; Leukocytes >= 3,000 /mm3 and <= 12,000 /mm3, Platelets >= 100,000 /mm3, Hemoglobin >= 8.0 g/dL, Serum total bilirubin <= 2.0 mg/dL, Serum aspartate aminotransferase (AST) <= 100 IU/L, Serum alanine aminotransferase (ALT) <= 100 IU/L, and Serum creatinine <= 1.2 mg/dL

Exclusion criteria

Exclusion criteria: 1) Previously treated by chemotherapy for locally advanced pancreatic cancer 2) Prior history of S-1 therapy 3) History of serious drug hypersensitivity or a history of drug allergy 4) Patients with contraindication for the medication of S-1 5) Serious complications ( ex. interstitial pneumonitis, pulmonary fibrosis, renal failure, liver failure, intractable diabetes, intractable hypertension) 6) Recurrent disease before enrollment 7) Moderate or ascites or pleural effusion 8) Plumonary fibrosis or interstitial pneumonia diagnosed by chest X-ray. 9) Serious diarrhea 10) Myocardial infarction within six months 11) Active infection(fever up; over 38 degree) 12) Blood transfusion within 2 weeks before enrollment 13) Severe mental disorder 14) Active double cancer (synchronous double cancer or asynchronous double cancer with disease-free survival of 5 years or less). 15) Pregnant or lactating woman and man who hope for partner's pregnancy 16) Patients who need flucytosine, phenytoin or warfarin potassium. 17) Requiring continous steroid administration 18) Not appropriate for the study at the physician's assessment

Design outcomes

Primary

MeasureTime frame
2-year overall survival rate

Secondary

MeasureTime frame
DFS, OS, Dose Intensity, Complete rate of each treatment point (3 and 6, 9, 12 months), Safety

Countries

Japan

Contacts

Public ContactNorifumi HARIMOTO

Graduate School of Medical Sciences, Kyushu University Department of Surgery and Science

abesato@surg2.med.kyushu-u.ac.jp092-642-5466

Outcome results

None listed

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