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Randomized phase II study of gemcitabine and S-1 combination therapy versus S-1 in advanced biliary tract cancer. (JCOG 0805)

Randomized phase II study of gemcitabine and S-1 combination therapy versus S-1 in advanced biliary tract cancer. (JCOG 0805) - Randomized phase II study of gemcitabine and S-1 combination therapy versus S-1 in advanced biliary tract cancer. (JCOG 0805)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001685
Enrollment
100
Registered
2009-02-04
Start date
2009-02-01
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

biliary tract neoplasm

Interventions

Sponsors

Japan Clinical Oncology Group(JCOG)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Diagnosed as biliary tract cancer which includes intrahepatic cholangiocarcinoma, extrahepatic cholangiocarcinoma, gallbladder cancer, and ampulla of vater cancer 2) Recurrent or unrespectable biliary tract cancer 3) Histologically proven papillary adenocarcinoma, tubular adenocarcinoma, or adenosquamous carcinoma for extrahepatic cholangiocarcinoma, gallbladder cancer, and ampulla of vater cancer patients. Histologically proven adenocarcinoma for intrahepatic cholangiocarcinoma 4) Without CNS metastasis 5) Without moderate or more ascites/pleural effusion 6) No previous therapy against biliary tract cancer 7) No previous chemotherapy or radiotherapy against any other malignancies 8) ECOG PS of 0 or 1 9) Sufficient oral intake 10) Aged 20 to 79 years old 11) Adequate organ functions 12) Written informed consent

Exclusion criteria

Exclusion criteria: 1) Simultaneous or metachronous (within 5 years) double cancers, with the exception of intramucosal tumor curable with local therapy 2) Pregnant or lactating women or women of childbearing potential and men who want to get partner pregnant 3) Psychosis 4) Patients requiring systemic steroids medication 5) Interstitial pneumonia or fibroid lung 6) Watery diarrhea 7) Active bacterial or fungous infection 8) Severe complication 9) Patients requiring the administration of flucytosine, phenytoin or warfarin potassium 10) Patients who can' t receive neither iodic drug nor gadolinium because of drug allergy

Design outcomes

Primary

MeasureTime frame
overall survival (1-year survival)

Secondary

MeasureTime frame
progression-free survival, response rate, adverse events, severe adverse events

Countries

Japan

Contacts

Public ContactChigusa Morizane

JCOG0805 Coordinating Office Hepatobiliary and Pancreatic Oncology Division, National Cancer Center Hospital

JCOG_sir@ml.jcog.jp03-3542-2511

Outcome results

None listed

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