Close-out letter
The vocabulary of getting a claim paid, of FDA enforcement, and of what on-label and off-label really mean.
Definition
FDA's confirmation that a company has corrected what a warning letter cited. ⚠ We do not track close-outs, so the presence of a letter in this register tells you FDA said something — not how the company answered or whether the matter ended there. Ask the company; they will usually tell you, and how they answer is informative.
GLP Watchdog writes these definitions from FDA labels and peer-reviewed PubMed literature. Not one of them is an AI-generated summary.
Other terms under Insurance and regulatory
Where the evidence lives
- The warning-letter register
- The full GLP-1 glossary (149 terms, 8 categories)
- Research articles — written from primary sources
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