Notice
19 Aug 2025
fda, oncology, clinical development, dosage optimization, radiopharmaceuticals
💊FDA Draft Guidance on Oncology Radiopharmaceuticals Dosage Optimization
The Food and Drug Administration (FDA, Agency, or we) is announcing the availability of a draft guidance for industry entitled "Oncology Therapeutic Radiopharmaceuticals: Dosage Optimization During Clinical Development." This guidance is intended to assist sponsors in identifying an optimized dosage for radiopharmaceutical therapies (RPT) for oncology indications during clinical development and prior to submitting a marketing application for a new indication and usage. The guidance provides considerations for RPT dosage optimization in RPT development programs.
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