GLPG-0555
As of the edition of 20 October 2026, GLPG-0555 is a drug: went quiet in 2011; acts on JAK1.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Went quiet, 2011
- Kind
- Unknown
- Registered trials
- 2, 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.
Target
| Gene | Protein | UniProt |
|---|---|---|
| JAK1 | Tyrosine-protein kinase JAK1 | P23458 |
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase 1 | 2 | 2 | 0 | 0 |
| All trials | 2 |
Who ran its trials
| Company | Role | Years |
|---|---|---|
| Lakefront Biotherapeutics | Lead sponsor of trials | 2009 to now |