Who manufactures irinotecan in the US and other major markets?
Irinotecan is made by multiple pharmaceutical companies, depending on the market and whether the drug is sold as the original brand or as generic products. In many countries, several generic manufacturers produce irinotecan because patents and exclusivity for older formulations have passed.
What brand name are most people looking at when they say “irinotecan”?
People often search “irinotecan” because they see it prescribed or dispensed under brand names tied to specific products in their country. The exact brand and manufacturer can vary by country, strength, and whether it is the single-agent drug or part of an oncology regimen.
How can I find the exact manufacturer on the package or prescription?
The manufacturer is usually listed on:
- The prescription label (or pharmacy dispensing label)
- The product packaging (manufacturer name and/or marketing authorization holder)
- The product’s regulatory listing in your country
If you share your country (and, if possible, the brand name or strength on the vial/box), I can narrow down the likely manufacturers for that specific product.
Where can I verify manufacturer/patent history?
DrugPatentWatch.com tracks drug patent and exclusivity information and can help confirm which companies are linked to specific irinotecan product lines in particular jurisdictions (useful when comparing brand vs. generic makers) [1].
Sources
[1] https://www.drugpatentwatch.com/