New test could make fertility-saving tissue safer for young cancer patients

NCT ID NCT07141862

First seen Nov 01, 2025 · Last updated May 08, 2026 · Updated 21 times

Summary

This study looks at children with neuroblastoma or Ewing sarcoma who had ovarian or testicular tissue frozen to preserve their fertility before cancer treatment. The problem is that this tissue might contain hidden cancer cells that could cause the cancer to return if the tissue is transplanted back. The researchers are comparing two very sensitive lab tests to find which one is better at detecting even a few cancer cells in the preserved tissue. The goal is to make fertility preservation safer for these children.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • University hospital

    RECRUITING

    Clermont-Ferrand, Auvergne, 63000, France

    Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.