Issued to Prodrome Sciences USA, LLC. Serious post-market compliance violation.
Issued
January 8, 2026Product
Sponsor/Unapproved Misbranded
Company
Prodrome Sciences USA, LLC
Review center
CDERStage
Final Decision
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FDA issued a warning letter to Prodrome Sciences USA, LLC concerning Sponsor/Unapproved Misbranded. Deterministic full-text screening identifies discussion of Clinical research and human-subject protections, Quality systems and CAPA, Unapproved products and premarket authorization. Topic matches are navigation aids, not a legal conclusion; review the exact FDA web letter and any later response or closeout.
Review the exact FDA warning letter, cited violations, requested corrections, and any later response or closeout before assessing current status.
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Serious post-market compliance violation. Public notice requiring prompt remediation. FDA issued this letter on January 8, 2026.
The firm is expected to respond in writing, normally within 15 working days, describing corrective actions and timelines. FDA verifies remediation — often through reinspection — and issues a closeout letter when violations are corrected. Unresolved warning letters can escalate to import alerts, seizure, or injunction.