FENTANYL HYDROCHLORIDE
| Brand name | IONSYS |
|---|---|
| Active ingredient | FENTANYL HYDROCHLORIDE |
| Strength | EQ 40MCG BASE/ACTIVATION |
| Dosage form | SYSTEM |
| Route | IONTOPHORESIS, TRANSDERMAL |
| Modality | Small molecule |
| FDA approval | May 2006 |
| Marketing status | DISCN |
| Patent | Expires | Type |
|---|---|---|
| 9095706 | February 2033 | product |
| 8428709 | June 2032 | product |
| 8428708 | May 2032 | use U-736 |
| 8781571 | March 2032 | product |
| 9731121 | October 2031 | product |
| 9364656 | September 2031 | use U-736 |
| 8301238 | September 2031 | product |
Source: FDA Orange Book, layered on the CliffBio company graph. Cliff dates are the latest FDA-listed patent expiry; estimates are projections, not legal advice.