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| Content Provider | PubMed Central |
|---|---|
| Author | Yamada, Kimito Yoshimura, Mana Kaise, Hiroshi Ogata, Akihiko Ueda, Naoko Koichi, Tokuuye Norio, Kohno |
| Copyright Year | 2012 |
| Abstract | Our aim in this study was to examine the safety and efficacy of the concurrent use of the radiopharmaceutical strontium-89 (Sr-89) chloride with zoledronic acid in standard anticancer therapy for breast cancer patients with painful multifocal bone metastases. The study comprised 16 breast cancer patients with painful multifocal bone metastases detected by bone scintigraphy, computed tomography or magnetic resonance imaging. All patients were treated with Sr-89 and zoledronic acid concurrently between March 2007 and February 2011 as part of a standard therapeutic regimen comprising chemotherapy, endocrine therapy, molecular targeting therapy and targeted radiotherapy. Sr-89 was administered intravenously at 2 MBq/kg to a maximum of 141 MBq per person. Safety was evaluated according to myelotoxicity as measured by the Common Terminology Criteria for Adverse Events (v3.0). To assess treatment efficacy, we monitored changes in analgesic drug dosages. Furthermore, bremsstrahlung imaging after the administration of Sr-89 was utilized to examine the relationship between the accumulation of Sr-89 in metastatic sites and treatment efficacy. Based on the results, a total of 14 out of 16 patients (88%) reported bone pain relief, indicating a high efficacy of Sr-89 combined with zoledronic acid. In responsive cases, a strong uptake of Sr-89 was observed on bremsstrahlung imaging at the same sites indicated by 99mTc bone scintigraphy. Moreover, severe myelosuppression (> grade 3) was not observed, and adverse events were tolerable. In conclusion, the use of Sr-89 with zoledronic acid in breast cancer patients with painful bone metastases was safe and effective when administered concurrently with other standard therapies. In the future, the treatment with Sr-89 at the early stage should be considered, and a large-scale clinical study should be conducted. |
| Related Links | http://dx.doi.org/10.3892/etm.2011.405 |
| Starting Page | 226 |
| File Format | |
| ISSN | 17920981 |
| e-ISSN | 17921015 |
| Journal | Experimental and Therapeutic Medicine |
| Issue Number | 2 |
| Volume Number | 3 |
| Language | English |
| Publisher | D.A. Spandidos |
| Publisher Date | 2011-12-01 |
| Access Restriction | Open |
| Rights Holder | D.A. Spandidos |
| Subject Keyword | Immunology and Microbiology (miscellaneous) Cancer Research Medicine(all) Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cancer Research 2400/2401 |
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