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Progastrin is a pro-hormone that, in physiological conditions, is maturated in gastrin in G cells of the stomach. The role of the gastrin is to stimulate the secretion of gastric acids during digestion. It is also important for the regulation of cell growth of the gastric mucosal.
In a healthy person, progastrin is not detectable in the peripheral blood. However, progastrin is abnormally released in the blood of patients with different cancers (colorectal, gastric, ovarian, breast, cervix uterus, melanoma...) The gene GAST coding for progastrin is a direct target gene of the WNT/ß-catenin oncogenic pathway. The activation of this oncogenic pathway is an early event in cancer development.
Chronic activation of the WNT/ß-catenin oncogenic pathway occurs in almost all human solid tumors and is a central mechanism in cancer biology that induces cellular proliferation, blocking of differentiation leading to primary tumor growth and metastasis formation.
Progastrin measured in the peripheral blood of patients on treatments, could be a new powerful marker for diagnosis and prognosis at different stages.
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Inclusion and exclusion criteria
Histologically and/or cytologically documented (documentation obtained before or after diagnostic surgical procedure when clinical suspicion is strong), cancers for the following cohorts:
o Breast carcinomas
o Gastric carcinomas
o Renal carcinomas
o Prostate carcinomas
o Lung carcinomas: NSCLC and SCLC
o Hepatocellular carcinomas
o Colorectal carcinomas
Patient older than 18 years.
Patients who gave its written informed consent to participate to the study
Patients affiliated to a social insurance regime
Specific inclusion criteria for curative treatment strategy cancer patients:
Specific inclusion criteria for non-curative treatment strategy cancer patients:
The following tumor type specific inclusion criteria must be met in addition to the inclusion criteria listed above:
Breast carcinomas
• All cohorts:
Invasive breast ductal carcinoma, or
Invasive breast lobular carcinoma
Planned to be treated with surgery, with/without neo-adjuvant and/or adjuvant chemotherapy and/or anti-hormone treatment
Gastric carcinomas
All cohorts:
o Intestinal-type adenocarcinoma, or
o Diffuse cell type adenocarcinoma
Curative intent treatment patient cohort:
Renal carcinomas • All cohorts:
Any histology of renal cancer is accepted (non-clear cell renal cancer could be included)
A pathology proof of renal cell carcinoma is not necessarily provided if patients present typical radiologic characteristics of renal cancer on imaging
• Curative intent treatment patients cohort:
Planned to be treated with partial or total nephrectomy
Prostate carcinomas
Curative intent treatment patients cohort:
o Localized prostate cancer with high risk features : StageT2b , T2c or T3 and/or Gleason >= 4+3 and/or PSA >= 20 and/or N+
o Planned to be treated with radical prostatectomy or radiotherapy (potentially associated with androgen deprivation therapy). Brachytherapy and/or focused ultrasounds are not allowed.
Non-curative intent treatment patients cohort:
Lung carcinomas treated by immunotherapy :
• Non-curative intent patients cohort:
o NSCLC stage IV according to 8th TNM classification planned to be treated with immunotherapy, with/ without chemotherapy
Lung carcinomas excluding those treated with immunotherapy:
Curative intent treatment patients cohort:
o NSCLC histology only
o Stage I-II according to 8th TNM classification
o Stage IIIA-B according to 8th TNM classification
o Planned to be treated with radical treatment (surgery or radiotherapy with/without concurrent chemotherapy), potentially associated with neo-adjuvant or adjuvant treatment
Non-curative intent patients cohort:
Hepatocellular carcinomas A pathology proof of HCC is not necessarily provided if patients present typical radiologic characteristics of hepatocellular carcinoma on imaging
Absence or chronic hepatic encephalopathy, absence of refractory ascites
Indication of a treatment strategy with curative intent, except liver transplantation: surgical resection, monopolar radiofrequency ablation for HCC (1 to 3 nodules ≤3 cm) or multibipolar radiofrequency if nodule ≤4 cm).
• Non-curative intent patients cohort:
Indication of a treatment strategy with no curative intent: transarterial intra-hepatic chemoembolization, targeted therapies (tyrosine kinase inhibitors or monoclonal antibodies) or immune therapy.
Colorectal carcinomas
• Curative intent treatment patients cohort:
o Lieberkühn adenocarcinoma associated with metastases planned to be treated with peri-operative chemotherapy +/- targeted agent and interval surgery
Head and neck carcinomas
All cohorts
o Head and neck squamous cell carcinoma from oral cavity, oropharynx, hypopharynx, larynx
Curative intent treatment patients cohort:
o Planned to be treated with a radical treatment (surgery and/or radiotherapy potentially associated with concurrent chemotherapy) with/without neo-adjuvant/adjuvant chemotherapy.
Non-curative intent treatment patients cohort:
o De novo metastatic or metastatic/loco-regional relapse planned to be treated with chemotherapy and/or immunotherapy
Thyroid cancer • Curative intent patient cohort o Thyroid carcinoma differentiated, poorly differentiated, papillary, vesicular, Hurthle Cell o For which a iodine treatment is indicated (Iodine treatment will be discussed after surgery. In the case the histological result does not confirm a high risk thyroid cancer, patient will be withdrawn from the study. In the same way, if a iodine treatment is not recommended after surgery, patient will be withdrawn from the study. In both cases, patient will be replaced).
Pancreatic carcinomas
• Curative intent patients cohort:
o Pancreas exocrine adenocarcinoma planned to be treated with initial surgery with/without neo-adjuvant chemotherapy and with/without adjuvant chemotherapy or radiotherapy
Ovarian adenocarcinomas • Non/uncertain curative intent patients cohort:
o 1st platinum-sensitive relapse
Glioblastoma • Curative intent patients cohort:
o Planned to be treated with surgical resection, followed by adjuvant temozolomide and radiotherapy
Endometrial adenocarcinomas
Non-curative intent patients cohort:
o Type 1 (endometrioid or mucinous) or type 2 endometrial (serous, clear cell, undifferentiated carcinoma and carcinosarcoma) cancers
o Planned to be treated with non-curative systemic treatment for metastatic or advanced disease
Bladder carcinoma
Superficial Oesophago-gastric cancer • Curative intent patients cohort:
o Superficial oesophago-gastric carcinomas (adenocarcinomas or epidermoid carcinomas) of Stage T1 planned to be treated by endoscopic surgery
Diffuse Large B-Cell Lymphoma (DLBCL)
• Curative intent patients cohort:
o Patients planned to be treated with R-CHOP (Rituximab-Cyclophosphamide, Hydroxyadriamycine, Oncovin, Prednisone)
Primary purpose
Allocation
Interventional model
Masking
410 participants in 1 patient group
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Central trial contact
Sara CALATTINI; Benoit YOU, MD
Data sourced from clinicaltrials.gov
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