Padsevonil
As of the edition of 20 October 2026, Padsevonil is a small molecule: stopped in 2020; acts on GABRA1, GABRA2 and GABRA3 and 7 more.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Stopped, 2020
- Kind
- Small molecule
- Registered trials
- 14, 7 stopped early
- Disease areas
- Nervous system
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.
Targets
| Gene | Protein | UniProt |
|---|---|---|
| GABRA1 | Gamma-aminobutyric acid receptor subunit alpha-1 | P14867 |
| GABRG2 | Gamma-aminobutyric acid receptor subunit gamma-2 | P18507 |
| GABRA5 | Gamma-aminobutyric acid receptor subunit alpha-5 | P31644 |
| GABRA3 | Gamma-aminobutyric acid receptor subunit alpha-3 | P34903 |
| GABRA2 | Gamma-aminobutyric acid receptor subunit alpha-2 | P47869 |
| SV2C | Synaptic vesicle glycoprotein 2C | Q496J9 |
| SV2A | Synaptic vesicle glycoprotein 2A | Q7L0J3 |
| SV2B | Synaptic vesicle glycoprotein 2B | Q7L1I2 |
| GABRG1 | Gamma-aminobutyric acid receptor subunit gamma-1 | Q8N1C3 |
| GABRG3 | Gamma-aminobutyric acid receptor subunit gamma-3 | Q99928 |
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase 1 | 9 | 5 | 0 | 4 |
| Phase 2 | 4 | 2 | 0 | 2 |
| Phase 3 | 1 | 0 | 0 | 1 |
| All trials | 14 |
Who ran its trials
| Company | Role | Years |
|---|---|---|
| UCB | Lead sponsor of trials | 2015 to now |