FDA Grand Rounds - Forensic Proteomics Applied to FDA Regulated Products

U.S. Food and Drug Administration Grand Rounds / National Forensic Chemistry Center presentation · February 5, 2026

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Opening and introduction to FDA Grand Rounds

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Rakesh Raghuwanshi (Office of the Chief Scientist) opened the session, introduced the speaker and framed the event as an FDA Grand Rounds presentation on forensic proteomics. He named Dr. David Skelton as the presenter and noted the Office of the Chief Scientist as sponsor.

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Dr. David Skelton of the FDA National Forensic Chemistry Center outlined LC‑MS proteomic techniques used to identify and characterize peptides and proteins in FDA‑regulated products, and presented case studies including identification of semaglutide in an unknown powder, detection of collagen contamination, and a single‑amino‑acid substitution found in a suspect biotherapeutic (date not specified in transcript).

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Transcript

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