Abstract
Therapeutic radiopharmaceutical 89SrCl2 is used for bone pain palliation in metastatic bone cancer. No carrier added 89Sr is being produced using 89Y(n, p)89Sr reaction in FBTR, IGCAR, Kalpakkam. Standardization, demonstration of chemical processing of irradiated yttria inside hotcell and quality control of 89SrCl2 radiopharmaceutical have been described in this work in detail. Two stage extraction with 0.1M DtBuCH18C6/ 1-Octanol followed by two stage scrubbing and three stage back extraction yielded a pure fraction of 89Sr, which was free from other impurities produced during the irradiation. Detailed physicochemical and biological quality control of the final product have been standardised, demonstrated and meeting the recommendations according to the US, EU and International pharmacopeia.
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Abbreviations
- DtBuCH18C6:
-
4,4’(5’) di-tert-butylcyclohexano-18-crown-6
- %E:
-
% extraction in the organic phase
- D:
-
distribution ratio
- Vaq :
-
volume of aqueous phase
- Vorg :
-
volume of organic phase
- fn :
-
fraction of solute not extracted in nth step
- SREX:
-
strontium extraction
- TBP:
-
Tri-n- butyl phosphate
- TRUEX:
-
TRans Uranium EXtraction
- D2EHPA:
-
di-(2-ethylhexyl) phosphoric acid
- LSC:
-
liquid scintillation counting
- HPGe:
-
high purity germanium
- HLLW:
-
high level liquid waste
- ppm:
-
parts per million (mg/L)
- Ci:
-
curie
- Bq:
-
becquerel
- nca:
-
no carrier added
- CF:
-
carrier free
- CA:
-
carrier added
- LOD:
-
limit of detection
- LOQ:
-
limit of quantification
- FBTR:
-
Fast Breeder Test Reactor
- IGCAR:
-
Indira Gandhi Centre for Atomic Research
- MC&MFCG:
-
Materials Chemistry and Metal Fuel Cycle Group
- BRIT:
-
Board of Radiation & Isotope Technology
- DAE:
-
Department of Atomic Energy
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Acknowledgement
The authors gratefully acknowledge the assistance received from Shri E Mohan Raj, Shri V. Suresh Kumar, Mechanical team, electrical team of MC&MFCG, Dr K Anantha Sivan, former AD, MFCG, MC&MFCG for the commissioning of Biosafety Cabinet at MC&MFCG, Dr K. V. Suresh Kumar, Director, R.F.G. and his team for irradiation in FBTR, Shri P K Chaurasia and his team, IDEAS, MMG, for encapsulation of the pellets in the irradiation capsule, and Dr R Divakar and his team of RML for post irradiation subassembly processing. We acknowledge the support of ICP OES team, NRB, Kalpakkam and ICPOES, ICPMS teams of MC&MFCG for chemical analysis. The continuous support and encouragement from Dr S Vijayalakshmi, Head. ACSD, Dr V Jayaraman, Associate Director, Dr N Sivaraman, Director of MC&MFCG, are also gratefully acknowledged hereby. The authors gratefully acknowledge the constant support and encouragement received from former and present HoS, HoD, AD, Director of MC & MFCG and Director, IGCAR.
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Saha, D., Vithya, J., Karunakaran, R. et al. Purification and quality control of the radiopharmaceutical 89SrCl2 produced in FBTR. J Radioanal Nucl Chem 332, 33–46 (2023). https://doi.org/10.1007/s10967-022-08714-2
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DOI: https://doi.org/10.1007/s10967-022-08714-2