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Preoperative multidisciplinary treatment with hyperthermia for soft tissue sarcoma
E Makihata1, M Kuroda, A Kawai
1Department of Radiology, School of Health Sciences, Okayama University Medical School, Japan.
Acta Medica Okayama
|April 1, 1997
Summary
Preoperative multidisciplinary treatment combining hyperthermia, radiotherapy, and chemotherapy demonstrated excellent local efficacy for soft tissue sarcoma. This approach resulted in no local recurrence, supporting further phase III studies.
Area of Science:
- Oncology
- Medical Physics
- Surgical Oncology
Background:
- Soft tissue sarcoma is a rare malignancy requiring effective treatment strategies.
- Multidisciplinary approaches integrating various modalities are crucial for improving patient outcomes.
Purpose of the Study:
- To evaluate the efficacy and safety of preoperative multidisciplinary treatment for soft tissue sarcoma.
- To assess the impact of hyperthermia, radiotherapy, and chemotherapy on tumor response and local control.
Main Methods:
- Phase I/II study involving 14 patients with soft tissue sarcoma.
- Preoperative treatment included thermo-radio-chemotherapy or thermo-radiotherapy/chemotherapy.
- Hyperthermia, radiotherapy, and chemotherapy (MAID regimen) were administered prior to surgical resection.
Main Results:
- An efficacy rate of 71% was observed, with significant tumor reduction or low-density volumes.
- Mean tumor necrosis rate in resected specimens was 78%, significantly higher with prolonged hyperthermia duration.
- No local recurrence was observed during follow-up; a 3-year cumulative survival rate of 64.3% was achieved.
Conclusions:
- Preoperative multidisciplinary treatment, including hyperthermia, shows excellent local efficacy for soft tissue sarcoma.
- The combination therapy warrants further investigation in phase III studies, focusing on optimal timing between modalities.
- This approach offers a promising strategy for improving local control and survival in soft tissue sarcoma patients.