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| Name | Class |
|---|---|
| Istituto Cantonale di Patologia | OTHER |
| Neurocenter of Southern Switzerland | OTHER |
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Validation of a new platform for the molecular characterization of patients affected by glioma. The new platform includes a series of faster, less expensive real-time PCR methodologies that, in comparison to standard analyses (DS, MS-PCR), are also characterized by higher sensitivity and consequently can be able to identify mutations in ctDNA extracted from liquid biopsies as well. The development of these assays will allow the analysis of molecular markers alteration even in liquid biopsies, providing a less invasive sampling than tissue biopsies, a procedure that sometimes is characterized by side effects or that allow the collection of few tissues for the histological and molecular diagnosis.
This study will not interfere with the patients routine treatment pathway and there will be no deviation from the standard of care: the molecular characterization of the tissues will be performed according to the standard diagnostic routine using the currently approved methodologies. For the retrospective study, it will be used the left-over DNA. For the cohort, that includes the collection and the subsequent analysis of liquid biopsies (prospective study), blood and CSF will be sampled during surgery.
The mutations in the molecular markers will be analyzed in tissue as well as in plasma and CFS samples by the new real-time based assays. Then, the qualitative and quantitative values obtained on liquid biopsies with the new methodology will be compared to the results of the standard methodologies already obtained, for diagnostic routine, on surgical tissue samples of the same patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Retrospective | The cases with glioma will be identified in the databases of hospital, the material will be preliminarily evaluated in order to see if there is sufficient tissue left for analysis. |
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| Prospective | A blood sample for molecular analyses will be collected in all the cases, CSF samples will be taken only if recommended by the normal surgical routine. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| validation of new technologies | Genetic | Development of a new molecular assay on tissue as well as on liquid biopsies (plasma and CSF), based on a single, open, real-time PCR platform with unprecedented sensitivity |
| Measure | Description | Time Frame |
|---|---|---|
| Demonstration that the new methodology improves the features | Demostrate that are found at least the same number of mutations in comparison with respect to standard tests | 2 hours |
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Retrospective Cohort
Inclusion Criteria:
Exclusion Criteria:
Prospective Cohort
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Exclusion Criteria:
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Patients affected by suspected glioma
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Milo Frattini, PhD | Contact | + 41 (0)91 816 08 05 | milo.frattini@eoc.ch |
| Name | Affiliation | Role |
|---|---|---|
| Milo Frattini, PhD | Institute of Pathology | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institute of Pathology Ente Ospedaliero Cantonale | Recruiting | Locarno | 6600 | Switzerland |
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| ID | Term |
|---|---|
| D005910 | Glioma |
| ID | Term |
|---|---|
| D018302 | Neoplasms, Neuroepithelial |
| D017599 | Neuroectodermal Tumors |
| D009373 | Neoplasms, Germ Cell and Embryonal |
| D009370 | Neoplasms by Histologic Type |
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Liquid biopsies, tissue block, blood sample
| D009369 | Neoplasms |
| D009375 | Neoplasms, Glandular and Epithelial |
| D009380 | Neoplasms, Nerve Tissue |