- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03604926
Immunophenotyping of Metastases From Colorectal Cancer
Immune therapy represents a promising option for the treatment of an increasing number of malignancies. New immunotherapeutic strategies are currently under development and will be further studied starting from refractory settings of heavily pre-treated mCRC patients. On this basis, a specific immunological characterization of CRC metastasis will be relevant to direct future clinical and pharmacological research.
As surgery is a therapeutic option in the treatment of mCRC, a percentage of mCRC patients undergo to resection of metastasis before or after medical treatment. These tumour samples could be useful to define the immune signature of colorectal metastatic disease.
On the basis of the above reported considerations, an exploratory, prospective, observational study for the immunophenotypical characterization of colorectal cancer metastasis from pre-treated vs chemo-naive patients has been planned.
Study Overview
Status
Conditions
Detailed Description
- There is extensive evidence for molecular heterogeneity in CRC. Studies have revealed that intra-tumour heterogeneity can be highly variable within primary tumours or between primary and metastatic sites (1). Moreover, tumour heterogeneity can be linked to targeted therapies in terms of acquired resistance mutations (2). In the era of precision medicine, specific molecular characterization of primary tumour and metastasis taking into account the dynamism of the disease and the actual therapeutic target should be considered.
- Nowadays there is not enough information regarding the immunological characterization of CRC metastasis. Especially, few data are available about the effect of chemotherapy and targeted drugs on the interplay between tumour and the immune system of the host (3).
- Immune system takes part to different phases of tumour growth (4). It is a dynamic balance that can be differentially modulated by several agents, resulting in immunosuppression or immunostimulation. Becht et al. integrated the molecular classification of colorectal cancer with information about their immune microenvironment. They identified 2 "immune-high subgroups". The MSI-rich CMS1 group is characterized by an immune stimulating contexture while the mesenchymal CMS4 group has an immune suppressive microenvironment (5). No data regarding the evolution over time of these features are available so far.
- Immune therapy represents a promising option for the treatment of an increasing number of malignancies. New immunotherapeutic strategies are currently under development and will be further studied starting from refractory settings of heavily pre-treated mCRC patients. On this basis, a specific immunological characterization of CRC metastasis will be relevant to direct future clinical and pharmacological research.
- As surgery is a therapeutic option in the treatment of mCRC, a percentage of mCRC patients undergo to resection of metastasis before or after medical treatment. These tumour samples could be useful to define the immune signature of colorectal metastatic disease.
On the basis of the above reported considerations, an exploratory, prospective, observational study is planned for the immunophenotypical characterization of colorectal cancer metastasis from pre-treated vs chemo-naive patients.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
-
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Padova, Italy, 35128
- Istituto Oncologico Veneto IRCCS
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Histological diagnosis of colorectal cancer
- Metastatic disease
- Surgery for metastatic disease
- Availability of clinical data
Exclusion Criteria:
- Non-metastatic disease
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
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chemo-naive patients
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pre-treated patients with systemic chemotherapy +/- a targeted
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
immunological features of metastasis
Time Frame: through study completion, an average of 1 year
|
Tumor-infiltrating lymphocytes (TIL)
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through study completion, an average of 1 year
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Take five
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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