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Updated: Jun 20, 2026

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Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
Published on: February 6, 2019
[Proton beam therapy in pediatric radiotherapy].
J-L Habrand1, S Bolle, J Datchary
1Centre de Protonthérapie, Institut Curie-à-Orsay, 91898 Orsay cedex, France. habrand@igr.fr
Summary
Proton therapy offers a breakthrough for treating pediatric tumors by minimizing side effects. This advanced radiation technique spares healthy organs, unlike traditional photon therapy, improving cure outcomes for children.
Area of Science:
- Oncology
- Radiation Oncology
- Pediatric Medicine
Background:
- Pediatric tumors remain a significant challenge in cancer treatment.
- Current therapies often involve severe side effects, impacting long-term outcomes.
- There is a need for advanced treatment modalities with improved safety profiles.
Purpose of the Study:
- To evaluate the efficacy and safety of proton therapy in pediatric cancer patients.
- To compare proton therapy with conventional photon therapy in terms of normal tissue sparing.
- To present clinical and dosimetrical data from the Orsay series.
Main Methods:
- Review of current clinical evidence on proton therapy for pediatric tumors.
- Analysis of dosimetrical data comparing proton and photon therapy.
- Update on the Orsay cohort of 108 children treated with proton therapy.
Main Results:
- Proton therapy demonstrates a superior ability to spare normal organs compared to photon techniques.
- The Orsay series provides updated clinical and dosimetrical evidence supporting proton therapy's benefits.
- Reduced toxicity is a key advantage, potentially lowering the 'price for cure'.
Conclusions:
- Proton therapy represents a significant advancement in treating pediatric malignancies.
- Its precise radiation delivery minimizes damage to surrounding healthy tissues.
- Proton therapy offers a promising alternative for improving cure rates and quality of life in pediatric cancer survivors.

