Nabumetone
As of the edition of 20 October 2026, Nabumetone is a small molecule: marketed, first approved in 1990 (FR); acts on PTGS2.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Marketed; latest approval 1993
- Kind
- Small molecule
- Brand name
- Relafen
- First approved
- 30 April 1990 (FR)
- Approvals on record
- 4 in 3 regions
- Holder of the most recent approval
- Viatris; 3 holders in all
- Registered trials
- 4, 0 stopped early
US protection
No US approval on record.
With no US approval on record there are no listed US patents or exclusivities.
This is the US only.
Companies that need a new molecule because of this drug
1 company on route B because of this drug.
Companies on route B for this drug
In the product1 company is on route B because of Nabumetone.
See the 1 company on route B for this drug, with the facts behind eachRequest access. Nothing is shown until you do.
Target
| Gene | Protein | UniProt |
|---|---|---|
| PTGS2 | Prostaglandin G/H synthase 2 | P35354 |
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase 1 | 4 | 4 | 0 | 0 |
| All trials | 4 |
Who has held its approvals
| Company | Role | Years |
|---|---|---|
| GSK | Originator | 1991 to now |