Phase I/II study, combination of radiotherapy and hyperthermia in patients with deep-seated malignant tumors: Report of a pilot study by the Radiation Therapy Oncology Group

B. Emami, R. J. Myerson, C. Scott, F. Gibbs, C. Lee, C. A. Perez

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19 Scopus citations

Abstract

This is a report of a Phase I/II study activated in March 1984 and completed in October 1988 by the Radiation Therapy Oncology Group on the feasibility/toxicity of hyperthermia in patients with deep-seated malignant tumors. The main objective of this study was to evaluate the morbidity of regional hyperthermia (systemic and regional, acute and late effects); a secondary objective was to evaluate tumor response to combined irradiation and regional hyperthermia. A total of 54 patients with locally advanced abdominal or pelvic malignancy were accrued to this study; 42% were male and 58% female. Seventy-five of the patients had pelvic tumors and 25% abdominal tumors. Acute toxicities included grade 4 in three patients (1 cutaneous, 1 infection and 1 chemical peritonitis) one grade 3 (skin), and 12 grade 2 toxicities (6 skin and 6 gastrointestinal). With regard to late toxicities, grade 4 was noted in one patient (skin), grade 3 (GI) in one, and grade 2 (skin, peripheral neuropathy) in six patients. The prescribed course of hyperthermia was completed in 17 (32%) of patients. In 36 patients (68%) the course of hyperthermia was terminated, primarily because of patient discomfort. Tumor response was assessed by physical examination or radiological studies. Of 44 patients evaluable for response, there were 17 (39%) complete responses and 6 (14%) partial responders. Significant technical problems in heat delivery and thermometry remain.

Original languageEnglish (US)
Pages (from-to)73-79
Number of pages7
JournalInternational Journal of Radiation Oncology, Biology, Physics
Volume20
Issue number1
DOIs
StatePublished - Jan 1991

Keywords

  • Regional hyperthermia

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