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Spots Global Cancer Trial Database for Identification and Characterization of Predictive Factors of Onset of Bone Metastases in Cancer Patients

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Trial Identification

Brief Title: Identification and Characterization of Predictive Factors of Onset of Bone Metastases in Cancer Patients

Official Title: Identification and Characterization of Predictive Factors of Onset of Bone Metastases in Cancer Patients

Study ID: NCT03895216

Conditions

Bone Metastases

Interventions

Study Description

Brief Summary: The aim of the present study is to identify deregulated miRNAs in oncological patients with bone metastases present within the circulating exosomes and responsible for the biological mechanisms involved in the process of bone metastasis, in order to obtain a panel of biomarkers predictive of this risk. Through appropriate molecular screening methods a specific panel of significantly deregulated miRNAs will be identified; subsequently bioinformatics analyzes through the use of dedicated databases will be carried out, based on literature data and predicted protein targets in order to identify their potential role in tumor progression, and especially in the onset of bone metastases. Attention, therefore, may be focused on the individual miRNAs identified through individual analysis analyzes of gene expression. These biomarkers could also serve as therapeutic targets, allowing to improve the effectiveness of current therapies and to undertake timely and appropriate therapeutic choices, developed on the basis of the patient's molecular characteristics

Detailed Description: MATERIALS AND METHODS: 1) Removal of whole blood from peripheral vein and separation of plasma from enrolled metastatic cancer patients; 2) Isolation of tumor exosomes circulating from the plasma of cancer patients (Kit Invitrogen: Total Exosome Isolation Reagent); 3) Next generation sequencing methods (NGS) will be used to evaluate the expression profiles of miRNAs isolated from circulating tumor exosomes (MiSeq Illumina System); 4) Mass spectrometry methods will be used for the proteome analysis of circulating exosomes isolated from the plasma of cancer patients (Triple TOFF 5600 Plus System AND HPLC analysis of bioactive and biomarker peptides); 5) 3D cultures for the study of cross-talk between circulating tumor exosomes (isolated from the patients' plasma) and bone tissue cells (using commercial cell lines) as part of the metastatic process (Cellec perfusion bioreactor BioteK AG). Enrollment Procedures: Patients considered eligible will be enrolled in the study, after providing a written informed consent. Data Collection: Clinical data will be retrieved by patient's source document. A protocol-specific CRF reporting the results of the analyses will be provided. A CRF is required and should be completed for each included subject. Ethics: The clinical trial protocol and its documents will be sent before initiating the study to the competent Authorities and Ethics Committees of each participating country for its approval. The responsible investigator will ensure that this study is conducted in agreement with either the most updated Declaration of Helsinki and all the international and local laws that apply to clinical trials and to patient protection. The protocol has been written, and the study will be conducted according to the principles of the ICH Harmonized Tripartite Guideline for Good Clinical Practice (ref: http://www.emea.eu.int/pdfs/human/ich/013595en.pdf). Informed Consent: All patients will be informed, by the investigator, of the aims of the study, the possible risks and benefits that will derive from the study participation. The Investigator must clearly inform that the patient is free to refuse participation in the study and that can withdraw consent at any time and for any reason. They will be informed as to the strict confidentiality of their patient data, but that their medical records may be reviewed for trial purposes by authorized individuals other than their treating physician. The informed consent procedure must conform to the ICH guidelines on Good Clinical Practice. This implies that "the written informed consent form should be signed and personally dated by the patient or by the patient's legally acceptable representative". The Investigator must also sign the Informed Consent form, and will keep the original at the site and a copy of the original must be handed to the patient. The competent ethics committee for each Institution participating to the study must validate local informed consent documents before the study can be opened. It will be emphasized that the participation is voluntary and that the patient is allowed to refuse further participation in the study whenever he/she wants. This will not prejudice the patient's subsequent care. General Principles for Human Biological Material (HBM) collection: Human biological material (HBM) collection involves the collection and storage of biological material, residual biological material or derivatives in compliance with ethical and technical requirements. Biological material (blood samples) will be centralized and stored at Istituto Ortopedico Rizzoli - Dipartimento Rizzoli-Sicilia, Bagheria (Palermo). From here, the biological material will be used and stored according with the sample characteristic and applicable regulation. Plasma and circulating exosomes obtained from blood will be stored inside sterile containers (falcon, tubes, eppendorf) in a freezer at the temperature of -80 °C at the Istituto Ortopedico Rizzoli -Dipartimento Rizzoli Sicilia. The following principles apply to storage of HBM: (a) The Istituto Ortopedico Rizzoli will have a designated person responsible for collection and will act as a communication point; (b) The collected HBM should be documented, i.e. the amount remaining and its location. act as a communication point; and (c) The storage and use of biological material will take place in accordance with the standards of good laboratory practice (GLP) and applicable legislation. Confidentiality: In order to ensure confidentiality of clinical trial data as disposed the national and European applicable regulation, data will be only accessible for the trial Sponsor and its designees, for monitoring/auditing procedures, the Investigator and collaborators, the Ethics Committee of each corresponding site and the Health Authority. Investigator and the Institution will allow access to data and source documentation for monitoring, auditing, Ethic Committee revision and inspections of Health Authority, but maintaining at all times subject personal data confidentiality as specified in the applicable regulation. The Investigator must guarantee that patient anonymity is kept at all times and their identity must be protected from unauthorized persons and institutions. All patients included in the study will be identified with a numeric code, so that no identifiable personal data will be collected. The Investigator must have and conserve a patients' inclusion registry where it figures the personal data of the patient: name, surname, address and corresponding identification code into the study, this register will be kept on the Investigator File. Publication policy and data ownership: The principal investigator of the study is responsible for the final report, of the publication publish all the data collected as described in the protocol and will ensure that the data are reported responsibly and consistently. In particular, the publication of data deriving from the present study will take place independently of the results obtained. The transmission or dissemination of data, through scientific publications and / or presentation at conferences, congresses and seminars, will take place exclusively following the purely statistical processing of the same, or in an absolutely anonymous form. All the study data are owned by the sponsor.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Dipartimento Rizzoli Sicialia - Istituto Ortopedico Rizzoli, Bagheria, Palermo, Italy

Contact Details

Name: Gianluca Giavaresi, MD

Affiliation: Istituto Ortopedico Rizzoli

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

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