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Autologous bone marrow transplantation in paediatric solid tumours.
Clinics in Haematology
|February 1, 1986
Summary
Autologous bone marrow transplantation (ABMT) is a key pediatric cancer treatment. While improving survival in advanced neuroblastoma, long-term outcomes remain challenging, necessitating further research into intensive regimens and purging techniques.
Area of Science:
- Pediatric Oncology
- Hematopoietic Stem Cell Transplantation
Background:
- Autologous bone marrow transplantation (ABMT) is an established treatment in pediatric oncology.
- Conventional chemotherapy shows limited efficacy in advanced neuroblastoma, prompting investigation into intensive therapies.
Purpose of the Study:
- To evaluate the efficacy and challenges of massive therapy, specifically ABMT, in pediatric cancers.
- To explore future directions in optimizing ABMT for improved outcomes in neuroblastoma and other pediatric malignancies.
Main Methods:
- Review of phase II studies and clinical trial data on ABMT in pediatric oncology.
- Investigation of intensive induction regimens and purging procedures (physical, immunological, chemical) for ABMT.
Main Results:
- ABMT increases median survival in advanced neuroblastoma, but long-term survival for stage IV patients remains below 30% with current regimens.
- Preliminary results for advanced rhabdomyosarcoma and Ewing's sarcoma are encouraging, warranting further study.
- The effectiveness of purging procedures is debated due to limitations in detecting residual tumor cells.
Conclusions:
- Optimizing ABMT for pediatric cancers requires more intensive induction regimens and improved purging techniques.
- Rigorous phase III randomized trials are essential to compare ABMT with other treatment modalities and establish its definitive role.