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Multicenter phase II study of S-1 plus Weekly Cisplatin in first-line treatment of unresectable or reccurent gastric cancer

Multicenter phase II study of S-1 plus Weekly Cisplatin in first-line treatment of unresectable or reccurent gastric cancer - The efficacy and safety of S-1 and weekly cisplatin combination therapy compared with the standard SP

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001858
Enrollment
70
Registered
2009-04-07
Start date
2008-10-01
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

gastric cancer

Interventions

S-1 80mg/m2, day 1-14 Cisplatin 20mg/m2, day 1, 8 1 week rest S-1 80mg/m2, day 1-21 Cisplatin 60mg/m2, day 8 2 week rest

Sponsors

Tsukuba Cancer Clinical Trial Group
Lead Sponsor
Tsukuba Cancer Clinical Trial Group
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Histologically confirmed gastric cancer 2)Unresectable locally advanced and/or metastatic gastric cancer 3)Measurable disease or non-measurable but assessable disease according to the Response Evaluation Criteria in Solid Tumors (RECIST) 4)No prior radiotherapy, chemotherapy or hormone therapy 5)ECOG Performance status 0-1 6)Age 20 to 75 7)No complication with peritoneal dissemination 8)Adequate function of major organs as defined below: WBC 3,000-12,000/ul Neutrophil count >1,500/ul Hb >8.0g/dl Platelet >100,000/ul Bilirubin <1.5 mg/dL AST and ALT <Upper limited normal*2 IU/L Creatinine <Upper limited normal(mg/dL) Creatinine clearanse >60ml/min 9)Voluntary written informed consent

Exclusion criteria

Exclusion criteria: 1)Serious drug hypersensitivity or a history of drug allergy 2)Administered of flucytosine, phenytoin or warfarin potassium 3)Active infections 4)Serious complications (e.g., interstitial pneumonitis, pulmonary fibrosis, uncontrolled diabetes mellitus, renal failure or hepatic failure) 5)Uncontrolled watery diarrhea 6)Severe ascites or pleural effusion 7)Active double cancer 8)Pregnant women, possibly pregnant women, women wishing to become pregnant, and nursing mothers 9)Men who are currently attempting to conceive children 10)Judged ineligible for participation in the study by the investigator for safety reasons

Design outcomes

Primary

MeasureTime frame
1-year survival rate

Secondary

MeasureTime frame
Adverse event rate, Progression free survival, Overall survival, Time to treatment failure

Countries

Japan

Contacts

Public ContactToshikazu Moriwaki

University of Tsukuba Gastroenterology

tmoriwak@md.tsukuba.ac.jp

Outcome results

None listed

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