Development and assessment of 153Sm-zoledronate complex as a possible bone pain palliative agent

Mirsaeed Nikzad, Amir Reza Jalilian, Simindokht Shirvani-Arani, Masood Arabieh, Saeed Shanehsazzadeh, Hamid Golchoobian

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Introduction: In this work, Sm-153-zoledronate (Sm-153-ZLD) was studied using computational chemistry methods and prepared for possible use in bone pain palliation therapy.

Methods: The Sm(ZLD)(2).7H(2)O complex was synthesized and characterized in solid state using computational chemistry methods followed by Sm-153-ZLD complex production, stablity, hydroxyapatite (HA) tests and also biodictribution studies in animals were studied and used for absorbed dose determination in critical organs.

Results: The Sm(ZLD)(2).7H(2)O complex was synthesized and characterized in solid state and computational chemistry methods showed that 1:1, 1:2 and 1:3 complex formation are possible in aqueous solution. Sm-153-ZLD complex was prepared with >99% radiochemical purity (ITLC, HPLC) and specific activity of 4.4 GBq/mmol. It was stable for 24h with >95% binding to HA with accumulation in rat bones and kidneys. Absorbed dose showed kidney and osteogenic tissue as critical organs.

Conclusion: The Sm-153-ZLD complex data were compared to Sm-153-EDTMP and Sm-153-BPAMD.
Original languageEnglish
Pages (from-to)81-91
Number of pages11
JournalIranian Journal of Nuclear Medicine
Volume25
Issue number2
Publication statusPublished - Jan 2017
Externally publishedYes

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