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  • Dataset id: fda_untitled_letters
  • Jurisdiction: US · FDA
  • Date field: letter_date. The search’s top-level date_from and date_to filter on it.
  • Access: any API key.

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Filters

Send these under filters.fda_untitled_letters in a search request. A filter not listed here, or a value of the wrong type, is a 400. The top-level date_from and date_to set date_from and date_to below, so give a date in one place only.
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string
Keyword match on company name (BM25 tokenized). Example: ‘Sanofi’.
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string
Keyword match on the drug/product named in the letter (BM25 tokenized). Example: ‘FILSPARI’ or ‘sparsentan’.
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boolean
true returns only letters that have a close-out (resolution) letter posted; false returns only letters without one. Omit to include both.
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string (date)
Inclusive lower bound on the letter issue date (YYYY-MM-DD).
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string (date)
Inclusive upper bound on the letter issue date (YYYY-MM-DD).

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Fields

Each result from this dataset has these in fields: closeout_url, company, letter_date, product, url