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Preliminary observation of clinical efficacy of microwave hyperthermia combined with radiochemotherapy for locally advanced gastric cancer / 中华放射肿瘤学杂志
Chinese Journal of Radiation Oncology ; (6): 368-371, 2021.
Article in Chinese | WPRIM | ID: wpr-884571
ABSTRACT

Objective:

To preliminarily observe the clinical efficacy of microwave hyperthermia combined with intensity-modulated radiotherapy (IMRT) and chemotherapy for patients with locally advanced gastric cancer.

Methods:

Forty patients who could not been operated or refused operation were enrolled in this clinical trial, who were confirmed as locally advanced proximal or distal gastric cancer by gastroscopy pathology and imaging. Radiotherapy was delivered by IMRT technology for 5 times per week with a total dose of 46 to 56 Gy (median dose of 50 Gy) in 25 to 28 fractions. Synchronous hyperthermia was given at 42 to 44℃ twice a week, 45 min/time. S-1 or capecitabine-based synchronous chemotherapy was performed, d1-14/3 weeks. The symptom remission rate, adverse reactions, objective remission rate (complete and partial remission) and survival were observed.

Results:

A total of 40 patients, aged between 56 and 83 years (median age of 71 years), were enrolled in this study. The male-to-female ratio was 7 1. Among them, 38 cases (95%) showed symptom remission. The most common adverse reactions were grade 1-2 gastrointestinal reactions and leukopenia. The objective remission rate was 87.5%, the 2-year progression-free survival and overall survival rates were 68.6% and 70.5%, respectively.

Conclusion:

Preliminary findings demonstrate that microwave hyperthermia combined with chemoradiotherapy achieve satisfactory outcomes and yield tolerable toxicity in patients with locally advanced gastric cancer.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Radiation Oncology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Radiation Oncology Year: 2021 Type: Article