• M Haesner, K Buchali, V Pink, and H Lips.
• Nuklearmedizinische Klinik der Charité, Humboldt-Universität, Berlin, FRG.
• Nuklearmed Nucl Med. 1992 Mar 1; 31 (2): 48-52.

AbstractSince 1976 200 patients with multiple skeletal metastases from prostatic cancer were treated with 89Sr. In the present study the results were evaluated in order to confirm the efficacy of this therapy. Following the application of 3 injections each of 0 (n = 21), 37 (n = 65), 75 (n = 72), 100 (n = 25) or 150 (n = 17) MBq 89Sr subjective pain relief, scintigraphic follow-up observations, survival times and haematological complications were recorded. In comparison to the results of placebo administration the effects of 89Sr on pain were: in the placebo group deterioration 11%, no change 55%, improvement 17% and full pain relief 17% whereas in the Sr groups combined the corresponding figures were 3, 38, 26 and 33%. Pain relief correlated with the activity administered. A dose relationship to scintigraphic regression is probable, the latter correlating with pain relief. Due to a decrease of early deaths the survival rate increased during the first months after start of treatment but later on returned to the level observed in untreated patients. Pain relief and regressive scintigraphic findings were combined with increased marrow involvement which, however, did not by itself influence survival rates. 89Sr therapy is an effective additional treatment of patients with multiple skeletal metastases from prostatic cancer.

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