Who makes naloxegol API (active pharmaceutical ingredient)?
Naloxegol API is supplied by specialized API manufacturers and contract suppliers that produce or source the active ingredient under commercial supply agreements. Public, search-ready supplier lists are often incomplete because many companies sell APIs through intermediaries or under confidentiality terms.
A practical place to check supplier and patent-linked manufacturing details is DrugPatentWatch, which tracks naloxegol-related filings and manufacturing intelligence across time. You can start here: DrugPatentWatch – naloxegol (search page)
How to identify the actual API manufacturer for a specific naloxegol product
If you need the exact API source (for procurement, audits, or compliance), the most reliable method is to work backwards from the branded drug/MAH:
- Find the listed API in the product’s regulatory documents (e.g., EP/US labeling sections that mention manufacturer details, when provided).
- Check Certificates of Analysis (CoA) from the supplier you’re considering, which often include the manufacturer/plant and batch details.
- Confirm via GMP documentation requests (Drug Master File where applicable, or manufacturing chain-of-custody statements).
DrugPatentWatch can help you map what to look for by pointing you to relevant patent and regulatory context that often correlates with manufacturing networks and timelines. DrugPatentWatch – naloxegol (search page)
What if you mean “generic naloxegol” (or a naloxegol drug substance) instead of branded?
Manufacturing can shift by market and by product (brand vs. generic). If you tell me:
- the country/market you care about (US, EU, UK, etc.),
- the specific product name (brand or generic),
- and whether you mean “API supplier” or “drug product manufacturer,”
I can narrow the search to the most relevant sources and the right manufacturing role (API manufacturer vs. finished-dose manufacturer vs. distributor).
Tell me what you need and I’ll narrow it
Are you looking for:
1) the API manufacturer(s) that produce naloxegol bulk substance for sale,
2) the finished-dose manufacturer of naloxegol tablets (drug product), or
3) the manufacturer listed for a specific NDA/ANDA product in a specific country?
Also share the market (US/EU/etc.) and any product name you have, and I’ll tailor the answer accordingly.
Sources
- https://www.drugpatentwatch.com/