National Academy of Medical Sciences of Ukraine
State Institution "The National Research Center for Radiation Medicine"

ISSN 2313-4607 (Online)
ISSN 2304-8336 (Print)

Problems of Radiation Medicine and Radiobiology



O. I. Solodyannikova, V. V. Danilenko, G. G. Sukach

National Cancer Institute, 22/43 Lomonosova Str., Kyiv, 03022, Ukraine


Objective. The study objective was to investigate and compare the effectiveness of different radiopharmaceuticals in the treatment of metastatic bone disease.
Materials and methods. Cancer patients (n = 150, average age (55 11.6) years, 95 females, 55 males) having got various primary tumors and metastatic bone disease were given medical treatment at the Department of Nuclear Medicine of the National Institute of Cancer. The 153Sm, 32, and 89Sr radiopharmaceutical agents produced by the Radiopreparats enterprise (Republic of Uzbekistan) and Radioisotope Centre Polatom (National Centre for Nuclear Research, Poland) were administered to the patients. There were cases of breast cancer (n = 75), prostate cancer (n = 45), lung cancer (n = 10), kidney cancer (n = 4), cervical cancer (n = 5), and rectosigmoid cancer (n = 11) among the treated subjects. In 135 patients (90 %) the bone metastases were detected by osteoscintigraphy with 99Tc- monodiphosphonate. In 15 cases the diagnosis of metastatic bone disease was verified by other radiology methods.
Results. The pain intensity rating scale (LACOMED) was used to assay the analgesic effect of various radiopharmaceuticals in metastatic bone disease. Results of treatment with 32P, 89Sr, and 153Sm were included in a comparative analysis procedure. It was established that the level of pain syndrome ranged from 78 points on the LACOMED scale before treatment. Upon administration of radionuclide therapy the level of pain was reduced down to 35 points, namely with 32P therapy it has decreased by 30.7 %, with 89Sr by 33.2 %, and with 153Sm by 41.5 % respectively. Time pattern of 153Sm analgesic effectiveness was studied depending on the number of treatment sessions. The best value of analgesic effect of 153Sm was registered after the first treatment session with a tendency to decrease after the second and significantly lower analgesic effects after the third session. Tolerance of 153Sm was rated on the CTCNCA (v) 4.3 scale. The best tolerance was peculiar to 153Sm corresponding to the good level according to a point assessment. When using 89Sr the drug tolerance was lower, not requiring however the drug discontinuation. The 32P radiopharmaceutical featured the lowest tolerance approaching the satisfactory rating. In 11 patients upon that the side effects were found significantly impairing the patients status, accordingly some extra measures were required. No decision to cancel the drug administration was made.
Conclusions. Radionuclide therapy with 153Sm-oxabiphor agent can be used in the complex treatment of metastatic bone disease in cancer patients having got tumors of different localization. 153Sm-oxabiphor is the most effective and best tolerable radiopharmaceutical agent in the pain treatment in metastatic bone disease in comparison with 32P and 89Sr preparations ( < 0.05).
Key words: metastatic bone disease, radionuclide therapy, phosphorus-32, strontium-89, samarium-153.

Problems of Radiation Medicine and Radiobiology.
2021;26:562-572. doi: 10.33145/2304-8336-2021-26-562-572

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