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Enhancing USP Compliance in Transarterial Radioembolization Using 90 Y Resin Microspheres
Journal article   Peer reviewed

Enhancing USP Compliance in Transarterial Radioembolization Using 90 Y Resin Microspheres

Xingyu Nie, Kimyli Lemieux, William Denton, Molly Buffington, Elizabeth Cheatham, Bryan Lemieux, Jie Zhang, M Elizabeth Oates, Driss Raissi and Riham El Khouli
Journal of nuclear medicine technology
04/28/2026
DOI: 10.2967/jnmt.125.271663
PMID: 42049457

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Abstract

USP <825> mandates 1-h beyond-use date (BUD) for immediate-use radiopharmaceuticals, posing workflow challenges for complex transarterial radioembolization procedures using 90Y-labeled resin microspheres (90Y-RM). To enhance compliance and patient safety, our institution transitioned 90Y-RM dose preparation from an in-house process to a local commercial nuclear pharmacy, enabling a BUD of up to 96 h. We retrospectively reviewed 120 cases of 90Y-RM preparation and administration. In the old workflow (n = 55), the median time from dose preparation to administration readiness was 49.1 min (interquartile range, 42.0–69.5 min), with 25.5% of doses exceeding the BUD limit. No BUD violations occurred after the new workflow (n = 65) was implemented. The absolute deviation between prescribed and administered activities significantly decreased from 4.3% ± 3.1% to 2.2% ± 2.1% (P < 0.001), with a comparable percentage of administered activity (median, 98.4% vs. 98.6%; P = 0.190). The new workflow effectively achieved USP <825> compliance.
 USP workflow 90Y-labeled resin microspheres dose preparation transarterial radioembolization

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