Palliation and Survival After Repeated Re-188-HEDP Therapy of Hormone-Refractory Bone Metastases of Prostate Cancer: A Retrospective Analysis

Hans-Juergen Biersack*, Holger Palmedo, Andrej Andris, Stefan Rogenhofer, Furn F. Knapp, Stefan Guhlke, Samer Ezziddin, Jan Bucerius, Dirk von Mallek

*Corresponding author for this work

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This retrospective study compared the effects of single and multiple administrations of (186)Re-hydroxyethylidenediphosphonate ((186)Re-HEDP) on palliation and survival of prostate cancer patients presenting with more than 5 skeletal metastases.A total of 60 patients were divided into 3 groups. Group A (n = 19) consisted of patients who had received a single injection; group B (n = 19), patients who had 2 injections; and group C (n = 22), patients who had 3 or more successive injections. The (188)Re-HEDP was prepared using non-carrier-added (188)Re obtained from an in-house (188)W/(188)Re generator after dilution with carrier perrhenate. Patients' data available from the referring physicians-including prostate-specific antigen levels-were entered into a Windows-based matrix and analyzed using a statistical program. The Gleason scores were similar for all 3 groups.Mean survival from the start of treatment was 4.50 ? 0.81 mo (95% confidence interval [CI], 2.92-6.08) for group A, 9.98 ? 2.21 mo (95% CI, 5.65-14.31) for group B, and 15.66 ? 3.23 (95% CI, 9.33-22.0) for group C. Although the 3 groups did not differ in Gleason score, the number of lost life-years was significantly lower in group C than in groups A and B. Pain palliation was achieved in 89.5% of group A, 94.7% of group B, and 90.9% of group C.Posttreatment overall survival could be improved from 4.50 to 15.66 mo by multiple-injection bone-targeted therapy with (188)Re-HEDP, when compared with a single injection. Significant pain palliation was common and independent of administration frequency.
Original languageEnglish
Pages (from-to)1721-1726
JournalJournal of Nuclear Medicine
Issue number11
Publication statusPublished - 1 Nov 2011


  • Re-188-HEDP
  • bone metastases
  • palliation
  • prostate cancer
  • survival

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