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Japanese Journal of Clinical Oncology 30:230-234 (2000)
© 2000 Foundation for Promotion of Cancer Research

Causes of Interruption of Radiotherapy in Nasopharyngeal Carcinoma Patients in Taiwan

Yu P. Chen, Ngan M. Tsang, Chen K. Tseng and Shinn Y. Lin+

Department of Radiation Oncology, Chang Gung Memorial Hospital, Taoyuan, Taiwan

Background: Nasopharyngeal cancer (NPC) is now curable with early diagnosis and radiotherapy treatment. In the past several decades, few studies have investigated why some patients fail to complete the recommended full course of radiotherapy.

Methods: A total of 3273 nasopharyngeal carcinoma patients were treated at the Radiation Oncology Department of Linkou Chang Gung Memorial Hospital in a span of 18 years from 1979 to 1996. Among these patients, 276 did not complete the full course of treatment of radiation therapy. The medical records of these patients were reviewed to determine the factors contributing to treatment interruption.

Results: Of the 276 patients whose treatment was interrupted, 120 (43.5%) were unable to endure the acute side effects of radiation therapy and were afraid of the possible complications resulting from the treatment; 57 (20.7%) had doubts about the diagnosis or had the subjective perception that the treatment offered would be ineffective in view of the severity of their disease; 50 (18.1%) resorted to folk prescriptions; 17 (6.2%) were faced with socioeconomic problems; 15 (5.4%) sought treatment at another hospital owing to transport considerations; 10 (3.6%) stopped radiation therapy and switched to chemotherapy for palliative management; seven (2.5%) resorted to praying, god worshipping and taking incense powder and magic elixirs because their families were against any established therapy.

Conclusions: The acute side effects and complications caused by radiation therapy were the major factors influencing patients’ decisions to discontinue treatment. This finding suggests that more attention should be paid to providing care with regard to the acute side effects of radio­therapy and to reinforcing pretreatment education.

+ For reprints and all correspondence: Ngan-ming Tsang, Department of Radiation Oncology, Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan Hsiang, Taoyuan, Taiwan. E-mail: samrt123@ms14.hinet.net


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