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Phase I/II Study of Combination Therapy of Oral Fluorinated Pyrimidine Compound S-1 with Low-dose Cisplatin in Patients with Unresectable and/or Recurrent Advanced Gastric Cancer Step 2: low dose cisplatin given twice a week + S-1

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-C000000282
Enrollment
52
Registered
2005-11-14
Start date
2003-12-01
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 or recurrent gastric cancer

Interventions

S-1 is administered orally at the dose of 40mg/m2 twice a day for 28 days, followed by 14 days rest. Cisplatin is administered intravenously twice a week for 4 weeks, followed by 2 weeks rest. The

Sponsors

Japanese Foundation for Multidisciplinary Treatment of Cancer
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Histologically or cytologically demonstrated unresectable or recurrent gastric cancer 2) With measurable or assessable legion(s) 3) Without prior anti-tumor therapy. Hormone therapy and/or immunotherapy within two weeks prior to enrollment are eligible. Postoperative adjuvant therapy not containing CDDP within one month prior to enrollment is eligible. 4) Adequate bone marrow, hepatic and renal function (1)Hb >= 9.0 g/dl (2)WBC 4,000 - 12,000/mm3 (3)neutrophils >= 2,000/mm3 (4)platelets >= 100,000/ mm3 (5)T-Bil <= 1.5mg/dl (6)GOT, GPT <= 2.5 times of normal upper limits (7)Al-p <= 2 times of normal upper limits (8)BUN <= normal upper limits (9)Cr<= normal upper limits (10)CCr >= 50ml/min 5) ECOG performance status (PS) 0 to 1 6) Life expectancy longer than 3 months 7) Oral intake is possible 8) Written informed consent

Exclusion criteria

Exclusion criteria: 1) severe complication(s) 2) symptomatic brain metastases 3) active double cancers 4) women who are currently pregnant, nursing, or plan to become pregnant 5) cases where the investigator disapproved of participation

Design outcomes

Primary

MeasureTime frame
adverse events, anti-tumor effect

Secondary

MeasureTime frame
pharmacokinetics of cisplatin, overall survival

Countries

Japan

Outcome results

None listed

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