Who are GRT9906's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): BLU-5937, RTX-GRT7039, MR308, 3APS.

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Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-13 · How we verify

GRT9906 — Competitive Intelligence Brief

GRT9906 (GRT9906) competitive landscape: 4 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: P2X3 receptor antagonist. Area: Pain management.

phase 2 P2X3 receptor antagonist P2X3 Pain management Small molecule Live · refreshed every 30 min

Target snapshot

GRT9906 (GRT9906) — Grünenthal GmbH. GRT9906 is a selective antagonist of the P2X3 receptor that reduces pain signal transmission in sensory neurons.

Comparator set (4 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target
GRT9906 TARGET	GRT9906	Grünenthal GmbH	phase 2	P2X3 receptor antagonist	P2X3
BLU-5937	BLU-5937	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
3APS	3APS	Bellus Health Inc. - a GSK company	phase 3	P2X3 receptor antagonist	P2X3

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

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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Cite this brief

Drug Landscape (2026). GRT9906 — Competitive Intelligence Brief. https://druglandscape.com/ci/grt9906. Accessed 2026-05-13.

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