Gastric or colorectal neuroendocrine carcinoma (NEC)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Meets one of the following histological diagnosis requirements taking immunohistochemical staining into account. 1. Pathological examination of a resected specimen led to a diagnosis of NEC 2. Diagnosed as Mixed adenoneuroendocrine carcinoma (tumors in which there is a mixture of >=30% of adenocarcinoma and NEC) based on resected specimen 2) The primary organ is the stomach or colorectum. 3) Distant metastasis or recurrent lesions that cannot be radically resected. 4) Refractory or intolerant to systemic platinum-based chemotherapy in the primary treatment. The secondary treatment has been implemented within 6 months from the final administration of the primary treatment. 5) Ramucirumab containing chemotherapy (secondary treatment in case of no ramucirumab) was started during the following periods: 1. Gastric NEC: Between March 2015 and June 2020 2. Colorectal NEC: Between May 2016 and June 2020 6) ECOG PS is determined as follows: 1. Group A (cases that include ramucirumab containing chemotherapy for secondary treatment or beyond) ECOG PS at the start of ramucirumab combination therapy is 0-2. 2. Group B (cases that do not include ramucirumab containing chemotherapy for secondary treatment or beyond) ECOG PS at the start of the secondary treatment is 0-2.
Exclusion criteria
Exclusion criteria: 1) History of ramucirumab administration before the start of the secondary treatment 2) If the attending physician or study supervising physician determined the case to be unsuitable
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Overall survival | — |
Secondary
| Measure | Time frame |
|---|---|
| Progression-free survival Response rate Disease control rate Duration of response Adverse event | — |
Countries
Japan
Contacts
West Japan Oncology Group WJOG datacenter