Drug

Ketamine

As of the edition of 20 October 2026, Ketamine is a small molecule: marketed, first approved in 1968 (ES); acts on GRIN1, GRIN2A and GRIN2B and 4 more.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 2022
Kind
Small molecule
Brand name
Ketalar
First approved
1 December 1968 (ES)
Approvals on record
7 in 5 regions
Holder of the most recent approval
Baxter Healthcare; 4 holders in all
Registered trials
779, 131 stopped early
Disease areas
Mental health; Nervous system; Cancer; Injuries; Chemically induced; Inherited and neonatal

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.

Companies that need a new molecule because of this drug

10 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

10 company-target rows are on route B because of Ketamine.

Targets

GeneProteinUniProt
GRIN2DGlutamate receptor ionotropic, NMDA 2DO15399
GRIN3BGlutamate receptor ionotropic, NMDA 3BO60391
GRIN1Glutamate receptor ionotropic, NMDA 1Q05586
GRIN2AGlutamate receptor ionotropic, NMDA 2AQ12879
GRIN2BGlutamate receptor ionotropic, NMDA 2BQ13224
GRIN2CGlutamate receptor ionotropic, NMDA 2CQ14957
GRIN3AGlutamate receptor ionotropic, NMDA 3AQ8TCU5

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated171972518
Phase 1118601824
Phase 2171823932
Phase 3129483125
Phase 41901012032
All trials779

Who has held its approvals

CompanyRoleYears
PfizerApplicant and Lead sponsor of trials1969 to now
Baxter HealthcareApplicant2022 to now
Ph HealthAcquired holder2025 to now