Indian Journal of Nuclear Medicine
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Year : 2021  |  Volume : 36  |  Issue : 3  |  Page : 282-287

Installation and optimization of 68Ga synthesis module for clinical use: An institutional experience

1 Department of Nuclear Medicine, Kailash Cancer Hospital and Research Centre, Muni Seva Ashram, Vadodara, Gujarat, India
2 Department of Nuclear Medicine and Molecular Imaging, Tata Memorial Hospital; Homi Bhabha National Institute, Mumbai, Maharashtra, India

Correspondence Address:
Mr. Sachin Tayal
Department of Nuclear Medicine, Kailash Cancer Hospital and Research Centre, Muni Seva Ashram, Goraj, Vadodara, Gujarat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijnm.ijnm_7_21

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Introduction: With advent of gallium-labeling somatostatin analogs and its evaluation under positron emission tomography–computed tomography, there has been a tremendous surge in its application. Gallium 68 can be made available either from onsite cyclotron production or in the form of ready-to-use 68Ge/68Ga generators. Wherein setting up and running of cyclotron amounts to huge investment and dedicated team, the 68Ge/68Ga generator has proved to be a better option and viable project. Moreover, due to long half-life of 68Ge, i.e. 271 days, it enables the usage of generator for several months. The preparation of gallium-labeled peptides is much simpler in comparison to 18F radiochemistry, but the radiation exposure has always been an area of concern owing to high-energy annihilation photon of 511 keV. Materials and Methods: In this study, we share our experience of self-installation of 68Ge/68Ga generator during lockdown and the various steps involved in installation of fully automated peptide-labeling system in customized mini hot cell module, synthesis steps, and quality control steps of gallium-based radiopharmaceutical. Results: The installation was successfully completed with online assistance during the pandemic situation. The average elution yield met company specification (>80%), and 68Ga-labeled peptides were prepared with high radiochemical purity (>95%). The overall exposure in single batch of production and quality control never exceeded 3 μSv as shielding was well-taken care of with customized mini hot cell. Conclusion: With the described experience and validation process, one can easily think of making an installation at his/her center and cater to the needs of society with a new radiopharmaceutical.

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