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Drug
Esketamine
Established medicineClassGlutamate [NMDA] receptor negative allosteric modulatorResearchOngoing clinical research
Also known as (-)-Ketamine, (S)-(-)-ketamine, (S)-2-(o-chlorophenyl)-2-(methylamino)cyclohexanone, (S)-ketamine+6 more
(-)-Ketamine, (S)-(-)-ketamine, (S)-2-(o-chlorophenyl)-2-(methylamino)cyclohexanone, (S)-ketamine, L-ketamine, S-(-)-Ketamine, S-ketamine, Spravato, s(+)ketamine, Esketamina.
44
Active clinical trials
7
Protein targets
Latest activity
betaRecent clinical, regulatory, research and industry developments relating to this drug.
Clinical trial2026-07-06Results expected Q2 2031 · ClinicalTrials.gov
Clinical trial2026-06-30Primary completion · ClinicalTrials.gov
Clinical trial2026-06-30Primary completion · ClinicalTrials.gov
Clinical trial2026-06-30Primary completion · ClinicalTrials.gov
Clinical trial2026-06-30Results expected Q4 2028 · ClinicalTrials.gov
Clinical trial2026-06-24Results expected Q1 2027 · ClinicalTrials.gov
Clinical trial2026-06-12Results expected Q3 2026 · ClinicalTrials.gov
Clinical trial2026-06-05Results expected Q2 2027 · ClinicalTrials.gov
Clinical trial2026-06-04Results expected Q2 2027 · ClinicalTrials.gov
Clinical trial2026-06-01Completed · ClinicalTrials.gov
Clinical trial2026-06-01Primary completion · ClinicalTrials.gov
Clinical trial2026-06-01Primary completion · ClinicalTrials.gov
Profile
Canonical identifiers, marketed brand names and mechanism, resolved across RxNorm, ChEMBL and ATC.
Canonical name
Esketamine
Aliases & brands
(-)-Ketamine(S)-(-)-ketamine(S)-2-(o-chlorophenyl)-2-(methylamino)cyclohexanone(S)-ketamineL-ketamineS-(-)-KetamineS-ketamineSpravatos(+)ketamineEsketamina
RxNorm CUI
2119365
ChEMBL ID
CHEMBL395091
ATC codes
N06AX27N01AX14
UNII
50LFG02TXD
Primary mechanism
Glutamate [NMDA] receptor negative allosteric modulator
Pharmacology & targets
Known molecular targets and mechanisms supported by curated pharmacology databases.
Glutamate receptor ionotropic, NMDA 1
NEGATIVE ALLOSTERIC MODULATORGlutamate [NMDA] receptor negative allosteric modulatorGRIN1 · Q05586
Glutamate receptor ionotropic, NMDA 2A
NEGATIVE ALLOSTERIC MODULATORGlutamate [NMDA] receptor negative allosteric modulatorGRIN2A · Q12879
Glutamate receptor ionotropic, NMDA 2B
NEGATIVE ALLOSTERIC MODULATORGlutamate [NMDA] receptor negative allosteric modulatorGRIN2B · Q13224
Glutamate receptor ionotropic, NMDA 2D
NEGATIVE ALLOSTERIC MODULATORGlutamate [NMDA] receptor negative allosteric modulatorGRIN2D · O15399
Glutamate receptor ionotropic, NMDA 3B
NEGATIVE ALLOSTERIC MODULATORGlutamate [NMDA] receptor negative allosteric modulatorGRIN3B · O60391
Glutamate receptor ionotropic, NMDA 2C
NEGATIVE ALLOSTERIC MODULATORGlutamate [NMDA] receptor negative allosteric modulatorGRIN2C · Q14957
Glutamate receptor ionotropic, NMDA 3A
NEGATIVE ALLOSTERIC MODULATORGlutamate [NMDA] receptor negative allosteric modulatorGRIN3A · Q8TCU5
Clinical trials
The current development programme across all trial phases — status mix, phase distribution and the late-stage studies shaping the evidence base.
Development programme
CLINICALTRIALS.GOV · LIVE REGISTRY170
registered trials across all phases
LATEST COMPLETION 2026
44
Active studies
38
Recruiting
128
Late-stage (III+)
86
Completed
40
Discontinued
PHASE DISTRIBUTIONn = 170
Early Phase 16Phase 124Phase 1 / 23Phase 29Phase 2 / 31Phase 315Phase 450Phase N / A62
Late-stage studies
Phase III+ trials still open or recently active — where late-stage evidence is being generated.
RecruitingPH IV
Recent completions
Trials that read out recently, adding to the completed evidence base.
CompletedPH I/II
References & data sources
- RxNorm (U.S. National Library of Medicine) — drug identity
- ChEMBL (EMBL-EBI) & UniProt — pharmacology and targets
- ClinicalTrials.gov — clinical trials