Gastric Cancers
Conditions
Keywords
gastric cancer, microenvironment, neoadjuvant chemotherapy
Brief summary
Clinicobiological cohort of gastric cancers operated in our institution.
Detailed description
Study of microenvironment of gastric cancers using tumor and lymph nodes, collected as per standard of care. Analysis by RNASeq and HyperIon
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Adult patients with histologically proven non-metastatic resectable gastric and gastroesophageal junction adenocarcinoma, Stage IB to III be treated with standard neoadjuvant chemotherapy * Knwon response to neoadjuvant chemotherapy as per TRG criteria * Surgery of primary tumor done at Centre Léon Bérard. Availability of archival FFPE tumor block from initial diagnosis with at least 20% of tumor cells and collected lymp nodes
Exclusion criteria
* Patient refusal to participate to this clinicobiological cohort
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Gene expression | surgery | Transcriptom of Surgery and lymp node specimen |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| HyperIon | surgery | Hyperion data on surgery and lymph nodes sample |
Countries
France