Drug

Baclofen

As of the edition of 20 October 2026, Baclofen is a small molecule: marketed, first approved in 1970 (CH); acts on GABBR1 and GABBR2.

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

The drug

Status
Marketed; latest approval 1994
Kind
Small molecule
Brand name
Lioresal
First approved
18 December 1970 (CH)
Approvals on record
20 in 4 regions
Holder of the most recent approval
ROSEMOUNT PHARMACEUTICALS LLC; 9 holders in all
Registered trials
68, 11 stopped early
Disease areas
Nervous system; Mental health; Chemically induced; Bones, joints and muscles; Digestive system; Injuries

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

1 company-target row on route B because of this drug.

Companies on route B for this drug

In the product

1 company-target row is on route B because of Baclofen.

Targets

GeneProteinUniProt
GABBR2Gamma-aminobutyric acid type B receptor subunit 2O75899
GABBR1Gamma-aminobutyric acid type B receptor subunit 1Q9UBS5

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated14732
Phase 110810
Phase 214814
Phase 3191422
Phase 411603
All trials68

Who has held its approvals

CompanyRoleYears
MedtronicLater holder1992 to now
NovartisAcquired holder2003 to now
UCBLater holder and Lead sponsor of trials2003 to now
Amneal PharmaceuticalsAcquired holder and Lead sponsor of trials2007 to now
CNS PharmaceuticalsLater holder2010 to now
Piramal Critical CareAcquired holder and Lead sponsor of trials2012 to now
Metacel PharmaceuticalsLater holder2019 to now
Azurity PharmaceuticalsLater holder2022 to now
Strides PharmaAcquired holder2026 to now
GEIGY PharmaceuticalsEarlier holder