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Climbing the steps of the evidence-based medicine pyramid: highlights from Annals of Nuclear Medicine 2019

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SPRINGER
DOI: 10.1007/s00259-020-05073-6

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Evidence-based medicine; Study design; Investigator-initiated trials; Industry-sponsored trials; Nuclear medicine; Trials methodology

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This study aims to provide an overview of nuclear medicine research by reviewing selected papers from the Annals of Nuclear Medicine in 2019, climbing the Evidence-Based Medicine pyramid. Pre-clinical research focuses on novel molecular targets in cancer, while clinical investigations cover various applications including cardiological, neurological, infectious, and oncological using SPECT and PET modalities. Investigator-initiated trials play a central role compared to industry-sponsored trials, and challenges and future directions in nuclear medicine research are discussed.
We aimed to provide an overview on research path in nuclear medicine climbing the steps of the Evidence-Based Medicine (EBM) pyramid using review of 14 subjectively selected papers out of 111 published in the Annals of Nuclear Medicine during January-December 2019. Following the structure of the EBM hierarchy, we chose at least one study for each step of the pyramid from the basis (pre-clinical research, expert opinion, case report and case series), to the middle (case-control and cohort studies, randomised controlled trials), towards the top (meta-analyses and systematic reviews). Additionally, we collected information on the promoter of each included study: investigator-initiated trials (IITs) vs industry-sponsored trials (ISTs). We found that pre-clinical studies are primarily focused on the development of novel molecular targets in cancer, with promising results. At the same time, clinical investigations deal with cardiological, neurological, infectious and oncological applications using both SPECT and PET modalities. Additionally, radionuclide therapy gained interest and is experiencing comprehensive clinical implementation. Our overview confirms the current central role of IITs as compared with ISTs. Challenges and future directions in Nuclear Medicine research are discussed.

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