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Adjuvant chemotherapy followed by curative gastrectomy for Stage II/III gastric cancer has improved disease free time and survival. However, there are still considerable number of patients experience relapse even after adjuvant chemotherapy. In an attempt to select patients who really benefit the postoperative adjuvant chemotherapy, we have identified potential biomarkers (NF-kappaB/JNK) from cell line panel screening followed by immunohistochemical validation. In the present study, we further validate the significance of the biomarkers in a larger set of clinical samples to see if chemotherapeutic response can be determined immediately after surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Biomarker positive | NF-kB(+)/JNK(-) in curatively removed specimens | ||
| Biomarker negative | NF-kB(-)/JNK(+) in curatively removed specimens |
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| Measure | Description | Time Frame |
|---|---|---|
| Relapse free survival | 3 years |
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Inclusion Criteria:
Exclusion Criteria:
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This is a retrospective study. Data analyses are based on archived record and materials of gastric cancer patients whose treatment was curative surgery followed by adjuvant chemotherapy with S-1.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Iwate Medical University School of Medicine | Morioka | Iwate | 020-8505 | Japan |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 22905237 | Background | Ishida K, Nishizuka SS, Chiba T, Ikeda M, Kume K, Endo F, Katagiri H, Matsuo T, Noda H, Iwaya T, Yamada N, Fujiwara H, Takahashi M, Itabashi T, Uesugi N, Maesawa C, Tamura G, Sugai T, Otsuka K, Koeda K, Wakabayashi G. Molecular marker identification for relapse prediction in 5-FU-based adjuvant chemotherapy in gastric and colorectal cancers. PLoS One. 2012;7(8):e43236. doi: 10.1371/journal.pone.0043236. Epub 2012 Aug 14. |
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| ID | Term |
|---|---|
| D013274 | Stomach Neoplasms |
| ID | Term |
|---|---|
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
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Archived paraffin blocks
| D004066 |
| Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D013272 | Stomach Diseases |