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Management of Paediatric Cancers Associated With Bloom Syndrome
Camille Pacaud1, Charlotte Nazon1, Mélanie Pages2
1Pediatric Onco-Hematology-Immunology Unit, CHU Hautepierre University Hospital, Strasbourg, France.
Human Mutation
|July 11, 2025
Summary
Bloom syndrome (BS) patients with cancer face significant treatment toxicities. Despite complications, some children with BS and cancer achieved remission, indicating potential for curative therapies.
Area of Science:
- Pediatric Oncology
- Genetics
- Cancer Research
Background:
- Bloom syndrome (BS) is a rare genetic disorder.
- BS is associated with a significantly elevated risk of developing cancer.
Purpose of the Study:
- To analyze outcomes for pediatric patients with Bloom syndrome and cancer.
- To understand treatment toxicities and survival in this cohort.
Main Methods:
- A national multicenter study analyzed nine pediatric patients with BS and cancer.
- Data on cancer diagnosis, treatment modalities, complications, and outcomes were collected.
Main Results:
- Median age at cancer diagnosis was 12 years.
- Six patients had solid tumors, three had hematological malignancies.
- Treatment complications included prolonged aplasia, sepsis, and early discontinuation; four patients relapsed, and four died (including one toxic death).
Conclusions:
- Five of nine patients achieved remission, demonstrating the possibility of curative treatment.
- Curative treatment for pediatric BS patients with cancer is possible but associated with significant toxicities.
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