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Published on: April 16, 2019
Steroid requirements during radiotherapy for malignant gliomas
Athina Marantidou1, Christine Levy, Alyette Duquesne
1Service de Neurologie, Hôpital Avicenne, Assistance Publique des Hopitaux de Paris, 125 route de Stalingrad, 75013, Bobigny, France.
Journal of Neuro-Oncology
|February 27, 2010
Summary
Most high-grade glioma patients require steroids during radiotherapy, often needing dose increases. Poor initial performance status and unresected tumors predict higher steroid needs.
Area of Science:
- Neuro-oncology
- Radiation Oncology
Background:
- Radiotherapy is standard for high-grade gliomas.
- Toxicity, including brain edema and neurological decline, can occur during treatment.
- Steroid use during radiotherapy for malignant gliomas is understudied.
Purpose of the Study:
- To prospectively evaluate steroid requirements in adult patients with malignant gliomas undergoing radiotherapy.
- To identify factors associated with increased steroid use during and after radiotherapy.
Main Methods:
- Prospective evaluation of 80 adult malignant glioma patients treated with radiotherapy.
- Data collection included demographics, tumor characteristics, treatment details, and steroid dosage (during RT, 1 and 3 months post-RT).
- Multivariate analysis identified factors associated with steroid requirements.
Main Results:
- 70% of patients were on steroids pre-RT; 55% required initiation or dose increase during RT.
- Median time to steroid increase was 8 days.
- Only 13% were steroid-free during RT; mean prednisone dose was 55 mg.
- At 3 months post-RT, 29% were steroid-free; mean prednisone dose was 32 mg.
- Unresected tumors and Karnofsky Performance Status (KPS) ≤80% were linked to higher steroid needs.
Conclusions:
- Nearly all malignant glioma patients require steroids during radiotherapy.
- Lower initial KPS and undergoing biopsy only are associated with increased steroid requirements.
- Steroid management is a critical aspect of radiotherapy for high-grade gliomas.
