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Phase III study of S-1 plus intravenous and intraperitoneal paclitaxel versus S-1 plus cisplatin for gastric cancer with peritoneal metastasis

Phase III study of S-1 plus intravenous and intraperitoneal paclitaxel versus S-1 plus cisplatin for gastric cancer with peritoneal metastasis - PHOENIX-GC trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000005930
Enrollment
180
Registered
2011-07-07
Start date
2011-10-01
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 with peritoneal metastasis

Interventions

S-1 plus intravenous and intraperitoneal paclitaxel S-1 plus cisplatin

Sponsors

The University of Tokyo Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Pathologically proven primary gastric adenocarcinoma 2) Peritoneal metastasis confirmed by laparoscopy or diagnostic imaging 3) No or short-term (<2 months) prior chemotherapy 4) Adequate function of important organs (within 14 days before registration) Hemoglobin >=8.0g/dL WBC >= LLN, <12,000/mm3 Platelet >=100,000/mm3 T-Bilirubin <= ULN x 1.5 AST <=100U/L ALT <=100U/L Creatinine <= ULN 5) Eastern Cooperative Oncology Group performance status 0-1 6) Expected survival period of more than 3 months. 7) Age >=20, <75 8) Adequate oral intake 9) Written informed consent

Exclusion criteria

Exclusion criteria: 1) Metastasis to distant organ sites other than the ovary 2) Contraindication to S-1, cisplatin or paclitaxel 3) Apparent infection or inflammation 4) Severe heart disease 5) Severe complication 6) Massive ascites requiring drainage for palliation 7) Gastrointestinal tract bleeding requiring blood transfusion 8) Severe diarrhea (more than 4 times a day and/or watery) 9) Psychiatric disorder requiring medication 10) Other active concomitant malignancies 11) Pregnancy, breast feeding or intention to become pregnant 12) Judged inappropriate for this trial for other reasons

Design outcomes

Primary

MeasureTime frame
Overall survival

Secondary

MeasureTime frame
antitumor effect safety

Countries

Japan

Contacts

Public ContactHironori Ishigami

The University of Tokyo Hospital Department of Chemotherapy

ishigami-tky@umin.net03-3815-5411

Outcome results

None listed

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