What does “Procysbi nce 1 filing” refer to?
That phrase doesn’t match a clear, standard drug-regulatory term on its own. “Procysbi” is a brand name for cysteamine delayed-release, used in certain rare conditions (notably nephropathic cystinosis). The “nce 1 filing” part could be a shorthand someone used for a specific regulatory submission type or section (for example, an FDA “NCE” entry or “1” indicating a specific application version), but the exact meaning depends on where you saw the text (FDA database, patent filing, label supplement, etc.).
If you meant an FDA “NCE” (New Chemical Entity) filing for Procysbi, how do NCE filings work?
In the U.S., “NCE” typically refers to how the FDA classifies certain drugs as a New Chemical Entity, which can affect exclusivity timelines. To identify the correct Procysbi NCE record, I would need one of the following:
- a link to the page where you saw “nce 1 filing,” or
- the exact jurisdiction/source (FDA, EMA, UK, company dossier, court/patent site), or
- a full identifier (application number, submission number, or document title)
Where to check the exact Procysbi submission (so you can find the “filing 1” you mean)
If your intent is to locate the specific filing record behind “nce 1 filing,” the most reliable approach is to search by Procysbi plus one of:
- the application number (NDA/BLA),
- the submission type mentioned in the database, or
- the document title shown on the page.
Common places people see these snippets include FDA submission listings and regulatory-tracking sites, but the correct steps depend on which system you’re using.
What exclusivity/timing question might be behind “NCE 1 filing”?
People often search “NCE filing” when they want to know:
- when exclusivity starts,
- when it expires, and
- whether other companies can file ANDAs/505(b)(2) or launch sooner than patent expiry.
Those answers depend on the exact exclusivity category recorded for Procysbi (and the specific submission referenced), which can’t be determined from “nce 1 filing” alone.
What I need from you to give a precise answer
Reply with any one of the following, and I’ll pin down the exact filing and what it means:
- the URL where you saw “Procysbi nce 1 filing,” or
- the FDA document/application/submission number, or
- the full text around “nce 1 filing” (even a screenshot transcription is fine).
Sources: none cited (no reliable source text was provided in your question).