Rediscovering Biomarkers for the Diagnosis and Early Treatment Response in NEN (REBORN) (REBORN)

November 22, 2022 updated by: Andrea M. Isidori, University of Roma La Sapienza

Rediscovering Biomarkers for the Diagnosis and Early Treatment Response in NEN. REBORN Study

This is a multicentre, controlled, observational prospective study on new biomarkers, as immune profiling, angiogenetic markers and circRNA from TEPs in the diagnosis and in the evaluation of treatment response in pulmonary and gastro-entero-pancreatic NENs.

Study Overview

Detailed Description

Neuroendocrine Neoplasm (NEN) are heterogeneous disease in terms of origin, localization and clinical presentation. Annual incidence of NEN is increasing in the last 30 years, even if the reasons underlying this rise have not been completely identified.

Many biomarkers have been used in the diagnosis and follow-up of patients with NEN. In non-functioning NEN general tumor markers, such as chromogranin A (CgA) and neuron specific enolase (NSE), are commonly used but their sensibility and specificity are quite low.

Recently, high-throughput tissue microarray and immunohistochemistry assessments have been performed to observe the expression pattern of new potential markers for NEN. In order to overcome limitations of tissue acquisition, the use of liquid biopsies has been advocated. It has been reported that tumor-educated platelets (TEPs) may easily enable blood-based cancer diagnostics. TEPs take up tumor-derived secreted membrane vesicles containing RNAs, of which circular RNAs (circRNAs) that can serve as a potential biomarker source for cancer diagnostics. This innovative approach in cancer detection has not yet been transferred to the NEN field.

Flow cytometric analysis furnishes important insights into the immune status by providing information about the numbers and phenotypes of the immune cells, which are known to be altered in many types of neoplasms. In NEN, leukocytes subpopulations and peripheral blood mononuclear cells (PBMCs) are not been completely investigated but immunological alterations could represent a signal of neoplastic spread.

Inflammatory and angiogenetic pathways' involvement in NEN behavior has recently received increasing attention. It is well known that NEN are known to be highly vascularized neoplasms and somatostatin analogues (SSA), used as first line drugs for most well differentiated NEN, can reduce tumour proliferation by various direct and indirect mechanism including the inhibition of angiogenesis.

Tumor angiogenesis is a complicated process consisting of several steps, the angiogenesis cascade, regulated by endogenous and exogenous factors, including the system Angiopoietin-1 (Ang-1) and -2 (Ang-2) / Tie2 and Prokineticins. These systems are involved in neoplastic angiogenesis and inflammation in various types of cancer. Despite these evidences, the role of inflammatory and angiogenic factors in NEN detection and follow-up has not been completely clarified.

The aim of the study is to evaluate immune profiling, angiogenetic markers and circularRNA sequencing in patients affected by locally advanced or metastatic pulmonary or GEP NENs and controls. Moreover, NENs patients will be evaluated also after 1 and 3 months of first line medical treatment.

Study Type

Observational

Enrollment (Anticipated)

60

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

      • Rome, Italy, 00161
        • Recruiting
        • Andrea M Isidori
        • Contact:
        • Principal Investigator:
          • Andrea M Isidori, MD, PhD
        • Sub-Investigator:
          • Elisa Giannetta, MD, PhD
        • Sub-Investigator:
          • Antongiulio Faggiano, MD, PhD
        • Sub-Investigator:
          • Mary Anna Venneri, PhD
        • Sub-Investigator:
          • Maria Grazia Tarsitano, MD, PhD
        • Sub-Investigator:
          • Giulia Puliani, MD
        • Sub-Investigator:
          • Tiziana Feola, MD
        • Sub-Investigator:
          • Franz Sesti, MD
        • Sub-Investigator:
          • Francesca Sciarra, PhD

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients with histologically-proven NENs, locally advanced or metastatic, originating from pulmonary or gastro-entero-pancreatic tract

Description

Inclusion Criteria:

  • Histologically-proven NENs, locally advanced or metastatic, originating from pulmonary or gastro-entero-pancreatic (GEP) tract, candidate to first line medical therapy (study group);
  • Patients affected by other non-malignant endocrine disease, e.g. benign thyroid disfunction (control group).

Exclusion Criteria:

  • Severe chronic kidney disease (stage 4-5);
  • Clinical or laboratory signs of significant respiratory, cardiological and hepatobiliary disease;
  • Other non-neuroendocrine malignancies.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Case-Control
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Neuroendocrine toumor group
30 patients (18-80 years, males and females) affected by histologically-proven neuroendocrine neoplasms, locally advanced or metastatic, originating from pulmonary or gastro-entero-pancreatic (GEP) tract, candidate to medical therapy.
According to current ENETS guidelines, patients will be treated by somatostatin analogs or chemotherapy, recommended respectively as first line therapy in neuroendocrine tumours or neuroendocrine neoplasms.
Control group
Patients affected by other non-malignant endocrine disease, e.g. benign thyroid disfunction (18-80 years, males and females)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
To evaluate the modification of the angiogenetic mediator sTie2 after treatment.
Time Frame: baseline - + 1 month - +3 months
Modification of sTie (soluble Tie2) after treatment
baseline - + 1 month - +3 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
To evaluate the difference in the angiogenetic mediator sTie2 between patients and controls
Time Frame: baseline
Comparison of basal levels of sTie between patients and controls
baseline
To validate the use of circular RNAs from TEPs in NEN diagnosis
Time Frame: baseline
Validation of the use of circular RNAs sequencing from tumor educated platelets (TEPs) in NETs diagnosis, through the comparison between patients and controls
baseline
To evaluate the changing in circular RNAs from TEPs in NEN patients after somatostatin analogs treatment
Time Frame: baseline - + 1 month - +3 months
Modification in circular RNAs sequencing from tumor educated platelets (TEPs) in patients after treatment
baseline - + 1 month - +3 months
To compare circular and cellular angiogenesis mediators between patients and controls
Time Frame: baseline
Comparison of basal level of other circular and cellular angiogenesis mediators between patients and controls (Angiogenic factors: ANG1, ANG2, FGF1, FGF2, NRP1, NRP2, VEGFA, VEGFB, VEGFC, HIF1A, NOS3, PROK1, PROK2; Cytokines: CCL11, CCL2, CXCL1, CXCL10, CXCL5, CXCL6, CXCL9, IL1B, IL6, TNF; Receptors and other angiogenic factors: VEGFR1, VEGFR2, TIE2, PDGFR, TGFBR, MMP14, MMP2, MMp9, TIMP1, TIMP2, TIMP3, PROKR1, PROKR2)
baseline
To evaluate the changing in circular and cellular angiogenesis mediators after treatment.
Time Frame: baseline - + 1 month - +3 months
Modification of other circular and cellular angiogenesis mediators in patients after treatment (Angiogenic factors: ANG1, ANG2, FGF1, FGF2, NRP1, NRP2, VEGFA, VEGFB, VEGFC, HIF1A, NOS3, PROK1, PROK2; Cytokines: CCL11, CCL2, CXCL1, CXCL10, CXCL5, CXCL6, CXCL9, IL1B, IL6, TNF; Receptors and other angiogenic factors: VEGFR1, VEGFR2, TIE2, PDGFR, TGFBR, MMP14, MMP2, MMp9, TIMP1, TIMP2, TIMP3, PROKR1, PROKR2)
baseline - + 1 month - +3 months
To quantify PBMC subpopulation in patients and controls
Time Frame: baseline
Quatification of peripheral blood mononuclear cells (PBMC) subpopulations in patients and controls
baseline
To evaluate the modification of PBMC subpopulation in patients after treatment
Time Frame: baseline - + 1 month - +3 months
Modification of peripheral blood mononuclear cells (PBMC) subpopulations in patients after treatment
baseline - + 1 month - +3 months
To compare classical neuroendocrine markers serum levels between patients and controls
Time Frame: baseline
Comparison of basal serum level of classical neuroendocrine markers (chromogranin a and neuron specific enolase) between patients and controls
baseline
To evaluate the modification of classical neuroendocrine markers in patients after treatment
Time Frame: baseline - + 1 month - +3 months
Modification of classical neuroendocrine markers (chromogranin a and neuron specific enolase) in patients after treatment
baseline - + 1 month - +3 months
To evaluate infectious diseases frequency and severity between patients and controls
Time Frame: baseline
Frequencies and severity of infectious diseases will be evaluated by modified Infectious Diseases Questionnaire (GNC). This questionnaire includes questions on infectious diseases of upper and lower respiratory tract, gastrointestinal tract, skin and urogenital tract contracted during the previous 12 months. Questions investigate on the number and duration of infections, necessity of antibiotic or antifungal therapy, hospital stay and days of absence from work. Final score represents the frequency of infections. Moreover, some questions investigate possible susceptible or protective factors for infectious diseases: vaccinations, use of corticosteroids, concomitant diseases, previous appendectomy, tonsillectomy, adenoidectomy, splenectomy or thymectomy.
baseline
To evaluate the difference in quality of life questionnaire in patients and controls
Time Frame: baseline

Quality of life will be evaluated by the Physical Component score and the Mental Component score of the self-administered questionnaire SF-36-Item Health Survey questionnaire. This questionnaire measures eight scales: physical functioning, role physical, bodily pain, general health (physical component) and vitality, social functioning, role emotional, mental health (mental component).

Interpretation of the score will be the following: at each item of the questionnaire corresponds a percentage value (from 0% to 100%). The average of the single items constitutes the scale total percentage (from 0% to 100%); missing data are not considered during calculation. High score defines a more favorable health state.

baseline
To evaluate the modification in quality of life questionnaire in patients after treatment
Time Frame: baseline - + 1 month - +3 months

Quality of life will be evaluated by the Physical Component score and the Mental Component score of the self-administered questionnaire SF-36-Item Health Survey questionnaire. This questionnaire measures eight scales: physical functioning, role physical, bodily pain, general health (physical component) and vitality, social functioning, role emotional, mental health (mental component).

Interpretation of the score will be the following: at each item of the questionnaire corresponds a percentage value (from 0% to 100%). The average of the single items constitutes the scale total percentage (from 0% to 100%); missing data are not considered during calculation. High score defines a more favorable health state.

baseline - + 1 month - +3 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Andrea M Isidori, MD, PhD, Department of Experimental Medicine, Sapienza University of Rome

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 14, 2020

Primary Completion (Anticipated)

September 14, 2024

Study Completion (Anticipated)

December 31, 2024

Study Registration Dates

First Submitted

July 3, 2020

First Submitted That Met QC Criteria

July 3, 2020

First Posted (Actual)

July 9, 2020

Study Record Updates

Last Update Posted (Actual)

November 23, 2022

Last Update Submitted That Met QC Criteria

November 22, 2022

Last Verified

November 1, 2022

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Undecided

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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