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Phase II/III study of Gemcitabine and S-1 (GS therapy) as Neoadjuvant chemotherapy for resectable pancreatic cancer (Prep-02/JSAP-05)

Phase II/III study of Gemcitabine and S-1 (GS therapy) as Neoadjuvant chemotherapy for resectable pancreatic cancer (Prep-02/JSAP-05) - Neoadjuvant GS therapy for pancreatic cancer : Prep-02/JSAP-05

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000009634
Enrollment
360
Registered
2012-12-26
Start date
2013-01-04
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

Resectable pancreatic cancer

Interventions

Neoadjuvant chemotherapy with gemcitabine and S-1 followed by surgery and adjuvant with 4 course of oral S-1 (Test arm). Surgery and adjuvant with 4 course of oral S-1 (Control arm).

Sponsors

Study group of preoperative therapy for pancreatic cancer (PREP)/Japanese Study Group of Adjuvant Therapy for pancreatic Cancer (JSAP)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) invasive ductal carcinoma of the pancreas 2) no distant metastasis 3) R0/1 resectable 4) all adult who anticipate to undergo pancreatectomy 5) no prior therapy 6) written informed consent 6) ECOG performance status of 0 or 1 7) Adequate organ function 8) Written informed consent

Exclusion criteria

Exclusion criteria: 1) pulmonary fibrosis or interstitial pneumonitis 2) Uncontrolled watery diarrhea 3) Active double cancer 4) Active infection 5) HBs antigen positive 6) Pregnant females, possibly pregnant females

Design outcomes

Primary

MeasureTime frame
Phase II: Resection rate Phase III: Overall survival

Secondary

MeasureTime frame
Phase II: Adverse events Phase III: Adverse events, Resection rate, Residual tumor, Nodal involvement rate, Histological response, Relapse-free survival, Tumor marker kinetics, Dose intensity, Patterns of Recurrence, Radiological tumor response

Countries

Japan

Contacts

Public ContactFuyuhiko Motoi

Tohoku University Graduate School of Medicine Surgery

fmotoi@surg.med.tohoku.ac.jp022-717-7205

Outcome results

None listed

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