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Randomized phase II study comparing S-1 plus oxaliplatin with S-1 monotherapy for elderly patients with advanced gastric cancer.(WJOG8315G)

Randomized phase II study comparing S-1 plus oxaliplatin with S-1 monotherapy for elderly patients with advanced gastric cancer.(WJOG8315G) - Randomized phase II study comparing S-1 plus oxaliplatin with S-1 monotherapy for elderly patients with advanced gastric cancer.(WJOG8315G)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000020864
Enrollment
160
Registered
2016-02-03
Start date
2016-04-12
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

advanced gastric cancer.

Interventions

S-1 monotherapy S-1 was administered at 80mg/m2/BID (p.o.), on days 1-28 every 6 weeks until disease progression. S-1 + oxaliplatin S-1 plus oxaliplatin every 3 weeks until disease progression S-1:

Sponsors

West Japan Oncology Group
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Histologically proven gastric or gastro-esophageal junction adenocarcinoma 2) Advanced unresectable or recurrent gastric cancer 3) The criteria for pre-treatment i. If there is no history of surgery No previous chemotherapy, immunotherapy and radiation therapy for cancer. However, irradiation for the pain caused by bone metastases is allowed. ii. If there is a history of surgery No previous chemotherapy, immunotherapy and radiation therapy for cancer. However, irradiation for the pain caused by bone metastases is allowed. a) Recurrence after radical surgery Preoperative or postoperative adjuvant chemotherapy with S-1 alone is allowed. More than 24 weeks (168 days) from the last date of the oral S-1 administration to recurrence b) The palliative surgery for unresectable cases More than two weeks after surgery Postoperative complications has improved Do not allow the neoadjuvant chemotherapy c) Exploratory laparotomy, bypass surgery, etc. for unresectable cases. 4) Massive pericardial effusion, pleural effusion or ascites*. *except for patients if effusions and ascites did no accumulate for more than two weeks after drainage therapy. *include patients if pleurosclerosis was performed with anti-cancer drugs except OK-432. 5) Symptomatic brain metastases or carcinomatous meningitis. 6) Her2 negative 7) Measurable or evaluable lesion 8) adequate oral intake and able to take oral medication 9) 70 years old or older 10) ECOG performance status 0-2. 11) Adequate bone marrow and organ function as defined as below: neutrophil count >=1500/mm3 hemoglobin level >= 8.0 g/dL platelet count >= 100,000/mm3 AST and ALT <= 100 IU/L, or AST and ALT <=200 IU/L with liver metastases total bilirubin <= 1.5 mg/dL serum creatinine <=2.0 mg/dL creatinine clearance >=30mL/min 12) Written informed consent

Exclusion criteria

Exclusion criteria: 1) Synchronous or metachronous (within 5 years) malignancies other than carcinoma in situ or mucosal carcinoma. 2) Active infection under treatment 3) Peripheral sensory neuropathy of grade >= 2 according to NCI-CTCAE version 4.0. 4) Diarrhea of grade >= 2 according to NCI-CTCAE version 4.0. 5) Pulmonary fibrosis or interstitial pneumonitis detected by chest x-ray. 6) Receiving flucytosine 7) Receiving phenytoin or warfarin potassium 8) Current treatment with corticosteroids. 9) Pregnant or lactating female. 10) Uncontrolled psychiatry disease 11) History of serious allergic reactions. 12) Evidence of any other serious disease, e.g. COPD, uncontrolled diabetes mellitus, uncontrolled hypertension, uncontrolled cardiovascular disease, Cerebral infarction within one year, active gastrointestinal hemorrhage, blood tests positive for HBs antigen or HVC antibody. 13) Judged inappropriate by the investigators.

Design outcomes

Primary

MeasureTime frame
overall survival

Secondary

MeasureTime frame
progression free survival,time to treatment failure,response rate,safety

Countries

Japan

Contacts

Public ContactShinichiro Nakamura

West Japan Oncology Group WJOG datacenter

datacenter@wjog.jp06-6633-7400

Outcome results

None listed

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