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Spots Global Cancer Trial Database for NSCLC Heterogeneity in Early Stage Patients and Prediction of Relapse Using a Personalized "Liquid Biopsy"

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Trial Identification

Brief Title: NSCLC Heterogeneity in Early Stage Patients and Prediction of Relapse Using a Personalized "Liquid Biopsy"

Official Title: Evaluation of Non-small Cell Lung Carcinoma Genetic Heterogeneity in Patients With Operable Early Stage Disease and Prediction of Clinical Relapse Using a Personalized "Liquid Biopsy"

Study ID: NCT03771404

Interventions

blood sampling

Study Description

Brief Summary: The purpose of his study is to investigate the intra tumor heterogeneity of the primary tumor and the involved lymph nodes from patients with resectable NSCLC, to detect primary tumor genetic alternations using "liquid biopsy" during the patients' clinical follow up and to correlate the "liquid biopsy" information with the disease recurrence.

Detailed Description: Lung cancer is the most common cancer in the world. In operable early stage patients NSCLS can be curable, but even after complete primary tumor resection, about 45% of early stage patients develop local or distant recurrence within 8-18 months. Recent studies have established that targeted therapies may fail to cure the disease because of tumor heterogeneity. The presence of genetic heterogeneity in different portions of a tumor have demonstrated its importance in tumor biology suggesting that pre-existing genetically different sub clones may be selected by therapy or differentially involved in the metastatic process, leading to treatment failure. The relationship of tumor heterogeneity with the poor clinical outcome suggests that its assessment could provide interesting and useful clinical information, especially, in terms of prognosis and treatment selection. It is now, well established that during the evolution of tumor new cellular clones could be emerged which differ genetically from the molecular signature of tumor cells evaluated at the time of initial diagnosis. This molecular evolution may further contribute to the tumor heterogeneity during the disease progression. The evaluation of the real-time molecular tumor heterogeneity requires repeated re-biopsies during the different clinical phases of NSCLC which, however, are invasive and not, always, feasible. This problem can be by-passed by the use of tumor-originating elements in the plasma and among these cellular products the isolation and analysis of cell tumor DNA (ctDNA) and the characterization of Circulating Tumor Cells (CTCs) represent important tools for identification and monitoring of molecular tumor alterations in cancer patients, representing what the investigators call "liquid biopsy". ctDNA is originated from cellular necrosis due to increased tumoral cellular turnover and cellular ischemia as well as from apoptosis of tumor cells or lysis of Circulating Tumor Cells (CTCs). On the other hand, the CTCs, which designate the cells circulating in the blood, can be detected in several tumor types, irrespectively of the clinical phase, and their detection has been correlated with disease progression and treatment resistance. Therefore, the concomitant analysis of both ctDNA and CTCs could permit to better evaluate the genetic heterogeneity of the tumor since they continuously released from tumor cells throughout the clinical course of the disease and is considered to be proportional to tumor burden and tumor progression at each time-point. This is a multicenter, single arm, non-randomized translational research study. Patients with operable NSCLC will be enrolled in the study. Patients' peripheral blood will be obtained before the surgical excision of the primary tumor as well as 1-month post-op and every 3-6 months thereafter until disease progression and upon disease relapse for the evaluation of ctDNA and CTCs. Different sites of the primary tumor as well as the regional involved lymph nodes and, in selected patients, biopsies from metastatic sites will be genotyped by NGS as well.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

2nd Pneumological Dept, GNA "Sotiria", Athens, Attica, Greece

7th Pneumological Dept, GNA "Sotiria", Athens, Attica, Greece

Thoracic Surgery Dept, GNA "Sotiria", Athens, Attica, Greece

Thoracic Surgery Clinic, "Hygeia" Hospital, Athens, Attica, Greece

Oncology Unit, 3rd Department of Medicine Athens University School of Medicine Athens, GNA "Sotiria", Athens, , Greece

IASO General Hospital, Athens, , Greece

Contact Details

Name: Athanasios Kotsakis, MD, PhD

Affiliation: Chairman of the Lung Cancer Working Group of the HORG

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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