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Journal Articles

Development of a Rhenium-186-labeled MAG3-conjugated bisphosphonate for the palliation of metastatic bone pain based on the concept of bifunctional radiopharmaceuticals

Ogawa, Kazuma*; Mukai, Takahiro*; Arano, Yasushi*; Ono, Masahiro*; Hanaoka, Hirofumi*; Ishino, Seigo*; Hashimoto, Kazuyuki; Nishimura, Hiroshi*; Saji, Hideo*

Bioconjugate Chemistry, 16(4), p.751 - 757, 2005/07

https://doi.org/10.1021/bc040249w
 Times Cited Count：62 Percentile：86.83(Biochemical Research Methods)

Rhenium-186-1-hydroxyethylidene-1,1-diphosphonate ($$^{186}$$Re-HEDP) has been used for the palliation of metastatic bone pain. Delayed blood clearance and high gastric uptake of radioactivity have been observed upon injection, due to the instability of $$^{186}$$Re-HEDP in vivo. In this study, on the basis of the concept of bifunctional radiopharmaceuticals, we designed a stable $$^{186}$$Re-mercaptoacetylglycylglycylglycine (MAG3) complex-conjugated bisphosphonate ($$^{186}$$Re-MAG3-HBP). After purification by HPLC, $$^{186}$$Re-MAG3-HBP was synthesized with a radiochemical purity of over 95%. In biodistribution experiments, the radioactivity level of$$^{186}$$Re-MAG3-HBP in bone was significantly higher than that of $$^{186}$$Re-HEDP. Blood clearance of $$^{186}$$Re-MAG3-HBP was faster than that of $$^{186}$$Re-HEDP. In addition, the gastric accumulation of $$^{186}$$Re-MAG3-HBP radioactivity was lower than that of $$^{186}$$Re-HEDP. In conclusion, $$^{186}$$Re-MAG3-HBP is expected to be a useful radiopharmaceutical for the palliation of metastatic bone pain.

Journal Articles

Design of a radiopharmaceutical for the palliation of painful bone metastases; Rhenium-186-labeled bisphosphonate derivative

Ogawa, Kazuma*; Mukai, Takahiro*; Arano, Yasushi*; Hanaoka, Hirofumi*; Hashimoto, Kazuyuki; Nishimura, Hiroshi*; Saji, Hideo*

Journal of Labelled Compounds and Radiopharmaceuticals, 47(11), p.753 - 761, 2004/11

https://doi.org/10.1002/jlcr.864
 Times Cited Count：29 Percentile：61.59(Biochemical Research Methods)

no abstracts in English

Journal Articles

Labeling with radioactive rhenium for the purpose of the pain relief of cancerous bone metastasis

Ogawa, Kazuma*; Ono, Masahiro*; Fujioka, Yasushi*; Saji, Hideo*; Mukai, Takahiro*; Konishi, Junji*; Uehara, Tomoya*; Arano, Yasushi*; Onoma, Katsuyuki

Kaku Igaku, 37(5), P. 577, 2000/09

no abstracts in English

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