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Published on: February 24, 2023
[The treatment of central nervous system neoplasms]
1Katedry i Kliniki Hematologii i Chorób Rozrostowych Dzieci Akademii Medycznej we Wrocławiu.
Insights
This study evaluated pediatric central nervous system tumors, finding that chemotherapy and radiotherapy improved outcomes. However, local recurrences and drug toxicity remain challenges in pediatric neuro-oncology.
Area of Science:
- Pediatric Oncology
- Neuro-oncology
- Clinical Research
Context:
- This study involved 30 children (aged 1-14) diagnosed with central nervous system (CNS) tumors between 1993 and 1998.
- Tumor types included medulloblastoma, ependymoma, astrocytoma, and oligodendroglioma, with some brain trunk tumors lacking histological diagnosis.
- All patients received chemotherapy post-surgery, with additional radiotherapy for those over 3 years old.
Purpose:
- To assess the treatment effectiveness and outcomes for pediatric patients with central nervous system tumors.
- To evaluate the impact of chemotherapy and radiotherapy on treatment response and disease progression.
- To identify failure rates, including local recurrences and drug toxicity, in this pediatric cohort.
Summary:
- A cohort of 30 children with CNS tumors underwent surgery followed by chemotherapy (SIOP regimen) and radiotherapy for older children.
- Complete resection was achieved in 13 patients; treatment effectiveness was monitored via neurological exams and imaging.
- Failure occurred in 10 patients due to local recurrences and 1 due to drug toxicity, with 17 remaining under observation.
Impact:
- Highlights the challenges of local recurrences and drug toxicity in pediatric CNS tumor treatment.
- Provides insights into the management and outcomes of diverse pediatric brain tumors.
- Informs future therapeutic strategies and follow-up protocols for young patients with CNS malignancies.
Abstract:
From August 1993 to March 1998 30 children (13 females and 17 males) at the age of 1-14 with central nervous system tumours were treated in Paediatric Hematology and Oncology Hospital in Wrocław. In 11 patients we diagnosed medulloblastoma, in 4 ependymoma, 6 astrocytoma, 2 oligodendroglioma and in 7 other types of tumours. The histological diagnosis of 2 cases with tumours localized in the brain trunk was not available. All patients were directed to the chemotherapy after the surgery. Complete resection was achieved in 13 out of 30 patients. The chemotherapy was proceeded according to SIOP regimen. Children older than 3 years received additional radiotherapy. The effectiveness of treatment was controlled by constant neurological examinations with computed tomography and ultrasonography. The rate of failures was 10 patients with local recurrences and 1 patient with drug toxicity. 17 children remain still in observation--among them 5 are treated with chemotherapy and 2 present the progression of disease.
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