Last reviewed · How we verify
3APS — Competitive Intelligence Brief
phase 3
P2X3 receptor antagonist
P2X3
Respiratory
Small molecule
Live · refreshed every 30 min
Target snapshot
3APS (3APS) — Bellus Health Inc. - a GSK company. 3APS is a selective P2X3 receptor antagonist that blocks pain signaling in sensory neurons to reduce chronic cough.
Comparator set (3 drugs)
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / PDUFA |
|---|---|---|---|---|---|---|
| 3APS TARGET | 3APS | Bellus Health Inc. - a GSK company | phase 3 | P2X3 receptor antagonist | P2X3 | |
| RTX-GRT7039 | RTX-GRT7039 | Grünenthal GmbH | phase 3 | P2X3 receptor antagonist | P2X3 | |
| MR308 | MR308 | Mundipharma Research GmbH & Co KG | phase 3 | P2X3 receptor antagonist | P2X3 | |
| BLU-5937 | BLU-5937 | Bellus Health Inc. - a GSK company | phase 3 | P2X3 receptor antagonist | P2X3 |
Recent regulatory actions (last 90 days)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
Sponsor landscape (P2X3 receptor antagonist class)
- Bellus Health Inc. - a GSK company · 2 drugs in this class
- Grünenthal GmbH · 2 drugs in this class
- Mundipharma Research GmbH & Co KG · 1 drug in this class
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- 3APS CI watch — RSS
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- 3APS alone — RSS
- Whole P2X3 receptor antagonist class — RSS
Cite this brief
Drug Landscape (2026). 3APS — Competitive Intelligence Brief. https://druglandscape.com/ci/3aps. Accessed 2026-05-13.
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