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This paper is the first of a Series on theranostics that summarises the current landscape of the radiopharmaceutical sciences as they pertain to oncology. In this Series paper, we describe exciting developments in radiochemistry and the production of radionuclides, the development and translation of theranostics, and the application of artificial intelligence to our field. These developments are catalysing growth in the use of radiopharmaceuticals to the benefit of patients worldwide. We also highlight some of the key issues to be addressed in the coming years to realise the full potential of radiopharmaceuticals to treat cancer. [ABSTRACT FROM AUTHOR]

Background: The Editorial Board of EJNMMI Radiopharmacy and Chemistry releases a biannual highlight commentary to update the readership on trends in the field of radiopharmaceutical development. Main Body: This selection of highlights provides commentary on 21 different topics selected by each coauthoring Editorial Board member addressing a variety of aspects ranging from novel radiochemistry to first-in-human application of novel radiopharmaceuticals. Conclusion: Trends in radiochemistry and radiopharmacy are highlighted. Hot topics cover the entire scope of EJNMMI Radiopharmacy and Chemistry, demonstrating the progress in the research field, and include new PET-labelling methods for 11C and 18F, the importance of choosing the proper chelator for a given radioactive metal ion, implications of total body PET on use of radiopharmaceuticals, legislation issues and radionuclide therapy including the emerging role of 161Tb. [ABSTRACT FROM AUTHOR]

We are excited to watch the progress of not only the new radiotracers reported here, but also the many future ones sure to be developed as the improving methods for PET radiochemistry and I in vivo i radiotracer evaluation continue to produce unprecedented radiotracers to be translated to I in vivo i studies in the human brain. PET imaging of misfolded proteins has garnered enormous attention in recent years, yielding radiopharmaceuticals for imaging amyloid and tau in neurodegenerative disorders such as Alzheimer's disease and related dementias. Keywords: brain PET; neuroimaging; radiochemistry; radiopharmaceuticals; molecular imaging EN brain PET neuroimaging radiochemistry radiopharmaceuticals molecular imaging 1 2 2 05/05/22 20220503 NES 220503 The field of radiopharmaceutical chemistry devoted to the development of new neuroimaging agents for Positron Emission Tomography (PET) imaging began in earnest in the early 1980's and was for many years dominated by efforts targeting receptors for the major neurotransmitters such as biogenic amines, amino acids, and acetylcholine. [Extracted from the article]