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Lung CancerExOnSite-ProNCT04939324

Molecular Profiling of Exosomes in Tumor-draining Vein of Early-staged Lung Cancer

A study testing Blood samples at 2 sites: peripheral vein and tumor-draining vein in people with Lung Cancer and Exosomes, run by University Hospital, Limoges at 1 site in France.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is an observational prospective single-center study of 30 patients operated for early-staged non-small cell lung cancer. The main aim is the analysis of molecular profiling of exosome with a sample in tumor-draining vein in order to identify prognostic molecular characteristics associated with cancer recurrence… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Lung Cancer, Exosomes, Non Small Cell Lung Cancer
What is being tested?
Blood samples at 2 sites: peripheral vein and tumor-draining vein
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
1 siteFrance
Study dates
21 Jun 2021to 2 Apr 2025
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Surgical non-small cell lung cancer with pure solid nodule or part-solid ground glass nodule on CT-scan

Who cannot join

  • Pure ground glass nodule,
  • Neoadjuvant therapy,
  • Second cancer or cancer in the 5 years,
  • Pregnancy,
  • Patients <18 years-old,
  • Tutorship

Trial locations and contacts

1 site in 1 country.

France1 site
  • CHU de Limoges

    Limoges, 87042

Other trials in France

About this study

Official title: Analyse du Profil moléculaire Des Exosomes de la Veine Pulmonaire Dans le Cancer Bronchique de Stade précoce

This is an observational prospective single-center study of 30 patients operated for early-staged non-small cell lung cancer. The main aim is the analysis of molecular profiling of exosome with a sample in tumor-draining vein in order to identify prognostic molecular characteristics associated with cancer recurrence after surgery.

Read the detailed description

Surgical resection remains the best chance for cure in patients with early-stage non-small-cell lung cancer (NSCLC). Unfortunately, approximately 30-50% of patients will relapse within 5-year of curative surgery despite early TNM-stage. The Identification of prognostic biomarkers of relapse is a necessity. Among them, extracellular vesicles (exosomes) study seems promising in early stage cancers and samples directly in tumor-draining vein to. The pulmonary vein is draining blood directly from the lungs and sampling at this location could provide a higher yield for oncosome. The litterature reports that Navarro et al. are the only team to have link exosome characteristics to oncological outcomes following surgery. The investigators propose to analyze the molecular profiling mediated by these extracellular vesicles in the tumor-draining vein of operated patients.

A peripheral blood sample is recolted before surgery (D-1 or D0). During oncological lung surgery, the pulmonary tumor-drainage vein is first exposed and punctured with a needle prior to subsequent surgical manipulation for resection (D0). A piece of resected tumor will be analyzed for the study (D0). Quantification and size distribution of exosome and molecular cargo of exosome in blood samples (peripheral and pulmonary vein) and tumor are analyzed (DNA sequencing).

Standard clinical and radiological follow-up is then performed and 2-year overall survival and 2-year disease free-survival are checked.

Being tested
Blood samples at 2 sites: peripheral vein and tumor-draining vein
Medical subject headings
Lung Neoplasms, Carcinoma, Non-Small-Cell Lung

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Blood samples at 2 sites: peripheral vein and tumor-draining veinBiological

    D0: surgery (inclusion): oncological lung resection

    • Blood samples at 2 sites: peripheral vein and tumor-draining vein
    • Resected tumor analysis Standard clinical and radiological follow-up during 2 years (medical consultation or phone call)
Study groups in NCT04939324
Study groupRoleWhat they receive
Blood samples at 2 sites: peripheral vein and tumor-draining veinOtherD0: surgery (inclusion): oncological lung resection * Blood samples at 2 sites: peripheral vein and tumor-draining vein * Resected tumor analysis Standard clinical and radiological follow-up during 2 years (medical consultation or phone call)
Receives: Biological: Blood samples at 2 sites: peripheral vein and tumor-draining vein

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Evaluate size distribution, concentration and molecular profiling of pulmonary vein exosomes at inclusion

    Concentration of extracellular vesicule (million of particule/mL of blood)

    Measured: 36 months

Secondary outcomes (4)
  1. Size distribution, molecular profiling of peripheral vein exosome sat inclusion

    The size distribution of extracellular vesicules harvested

    Measured: 36 months

  2. Mutations and polymorphism in resected lung cancer

    Analyze of the molecular profile in the resected tumor tissus

    Measured: 36 months

  3. Overall survival

    overall survival

    Measured: 36 months

  4. Two-year disease-free survival

    Two-year disease-free survival

    Measured: 24 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted25 Jun 2021
  2. Study start21 Jun 2021
  3. Primary completion25 Jun 2024
  4. Study completion2 Apr 2025

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04939324
Sponsor's protocol ID
87RI20-0067 (ExOnSite-Pro)
Acronym
ExOnSite-Pro
Status last verified
Jun 2026
First submitted
31 May 2021
Last updated
27 Oct 2026
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Tricard J, Durand S, Rovini A, Gateau A, Negroni L, Chaunavel A, Chermat A, Jauberteau MO, Conti M, Akil H, Lalloue F. New proteomic signature in circulating extracellular vesicles from tumor-draining and peripheral veins of patients with lung adenocarcinoma. Cancer Cell Int. 2026 Apr 1;26(1):192. doi: 10.1186/s12935-026-04264-9.

    PubMed 41923119

Questions about this trial

What is this clinical trial studying?

A study testing Blood samples at 2 sites: peripheral vein and tumor-draining vein in people with Lung Cancer and Exosomes, run by University Hospital, Limoges at 1 site in France.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in France. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Evaluate size distribution, concentration and molecular profiling of pulmonary vein exosomes at inclusion (time frame: 36 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04939324, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Oct 2026.

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