Who are N2O gas vs ketamine's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Namenda, Felbatol, QUINIDINE, Methadone Hydrochloride, S (+) Ketamine, Saline + Ketamine.

How often does this brief refresh?

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 2026-05-16 · How we verify

N2O gas vs ketamine — Competitive Intelligence Brief

N2O gas vs ketamine (N2O gas vs ketamine) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: NMDA receptor antagonist (dissociative anesthetic). Area: Anesthesia / Analgesia.

marketed NMDA receptor antagonist (dissociative anesthetic) NMDA receptor Anesthesia / Analgesia Small molecule Live · refreshed every 30 min

Target snapshot

N2O gas vs ketamine (N2O gas vs ketamine) — Seoul National University Hospital. This is a comparative study of two dissociative anesthetics—nitrous oxide (N2O) and ketamine—which work by blocking NMDA receptors to produce anesthesia and analgesia.

Comparator set (6 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	Approval / PDUFA
N2O gas vs ketamine TARGET	N2O gas vs ketamine	Seoul National University Hospital	marketed	NMDA receptor antagonist (dissociative anesthetic)	NMDA receptor
Namenda	MEMANTINE	AbbVie	marketed	N-methyl-D-aspartate Receptor Antagonist	Glutamate NMDA receptor; GRIN1/GRIN2A	2003-01-01
Felbatol	FELBAMATE	Mylan Speciality Lp	marketed	Anti-epileptic Agent [EPC]	NMDA receptor-ionophore complex	1993-01-01
QUINIDINE	QUINIDINE		marketed		sigma-1 receptor, NMDA receptor, CYP2D6	1950-01-01
Methadone Hydrochloride	METHADONE	Specgx Llc	marketed	Opioid Agonist	mu-opioid receptors, NMDA receptor	1947-01-01
S (+) Ketamine	S (+) Ketamine	Asker & Baerum Hospital	marketed	NMDA receptor antagonist	NMDA receptor
Saline + Ketamine	Saline + Ketamine	Ullevaal University Hospital	marketed	NMDA receptor antagonist / Dissociative anesthetic	NMDA receptor (glutamate-gated ion channel)

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 (NMDA receptor antagonist (dissociative anesthetic) class)

Seoul National University Hospital · 1 drug in this class

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Cite this brief

Drug Landscape (2026). N2O gas vs ketamine — Competitive Intelligence Brief. https://druglandscape.com/ci/n2o-gas-vs-ketamine. Accessed 2026-05-16.

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