Monitoring sarcoma patients using exosomes

Study of Exosomes in Monitoring Patients With Sarcoma (EXOSARC)

Observational Centre Georges Francois Leclerc · NCT03800121

This study looks at tiny particles in the blood of sarcoma patients to see if they can help us understand how the cancer grows and responds to treatment.

Quick facts

Study typeObservational
Enrollment34 (estimated)
Ages18 Years and up
SexAll
SponsorCentre Georges Francois Leclerc Academic / other
Drugs / interventionschemotherapy
Locations3 sites (Besançon and 2 other locations)
Trial IDNCT03800121 on ClinicalTrials.gov

What this trial studies

This observational study aims to analyze exosomes in patients diagnosed with sarcoma to better understand their role in tumor progression and metastasis. By quantifying exosomes and examining their protein and RNA content, the study seeks to establish correlations between exosome levels and the stage of the disease, as well as treatment responses. Blood samples will be collected from patients with localized, metastatic, or locally advanced sarcoma before and after treatment to assess changes in exosome concentration and composition.

Who should consider this trial

Good fit: Ideal candidates include men and women aged 18 and older who are newly diagnosed with localized, metastatic, or locally advanced soft tissue sarcoma.

Not a fit: Patients with synchronous tumors, those with a history of other cancers within the last five years, or those unable to undergo medical follow-up may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved monitoring and treatment strategies for sarcoma patients based on exosome analysis.

How similar studies have performed: While the use of exosomes in cancer monitoring is an emerging field, this specific approach in sarcoma has not been extensively tested, making it a novel investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Men and women newly diagnosed with localized, metastatic or locally advanced soft tissue sarcoma
2. Previous treatment of the disease with chemotherapy, radiotherapy or surgery is allowed if it has been completed for more than 12 months at the time of inclusion.
3. For metastatic or locally advanced (inoperable) sarcoma, patients for whom first-line metastatic chemotherapy is indicated.
4. Age ≥18 years
5. Affiliation to a social security scheme
6. Patients who signed informed consent to participate in the study

Exclusion Criteria:

Patients who meet at least one of the following criteria will not be eligible:

1. Patient with another synchronous tumor,
2. Patient with sarcoma in irradiated territory
3. Patient with a history of cancer other than sarcoma in the 5 years preceding the diagnosis of sarcoma
4. Patient unable to undergo medical follow-up for geographical, social or psychological reasons,
5. Person benefiting from a protection system for adults (including guardianship and trusteeship),
6. Serology HIV and / or HBV and / or HCV positive.
7. Pregnant or lactating woman.
8. Patients unable to understand, read and / or sign informed consent.

Where this trial is running

Besançon and 2 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Sarcomaexosomes
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.