Last update 23 Jan 2025

Baclofen

Overview

Basic Info

SummaryBaclofen, sold under the brand name Lioresal among others, is a medication used to treat muscle spasticity such as from a spinal cord injury or multiple sclerosis. It may also be used for hiccups and muscle spasms near the end of life. It is taken by mouth or by delivery into the spinal canal. Common side effects include sleepiness, weakness, and dizziness. Serious side effects may occur if baclofen is rapidly stopped including seizures and rhabdomyolysis. Use in pregnancy is of unclear safety while use during breastfeeding is probably safe. It is believed to work by decreasing levels of certain neurotransmitters. Baclofen was approved for medical use in the United States in 1977. It is available as a generic medication.
Drug Type
Small molecule drug
Synonyms
(+-)-Baclofen, 4-Amino-3-(4-chlorophenyl)butyric acid, Baclofen (JP17/USP/INN)
+ [24]
Mechanism
GABAB receptor agonists(Gamma-Aminobutyric Acid B Receptor agonists)
Inactive Indication
Originator Organization
Drug Highest PhaseApproved
First Approval Date
US (22 Nov 1977),
RegulationOrphan Drug (JP), Priority Review (CN)
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Structure/Sequence

Molecular FormulaC10H12ClNO2
InChIKeyKPYSYYIEGFHWSV-UHFFFAOYSA-N
CAS Registry1134-47-0

External Link

KEGGWikiATCDrug Bank
D00241Baclofen

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Multiple Sclerosis
US
18 Sep 2019
Spinal Cord Diseases
US
18 Sep 2019
Spinal Cord Injuries
US
18 Sep 2019
Hereditary Spastic Paralysis, Infantile Onset Ascending
JP
11 Apr 2005
Muscle Spasticity
US
17 Jun 1992
Spastic paralysis
JP
27 Aug 1979
Spastic paralysis
JP
27 Aug 1979
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
AlcoholismDiscovery
FR
01 Dec 2012
Muscle SpasticityDiscovery
EE
01 Jun 2007
Muscle SpasticityDiscovery
UA
01 Jun 2007
Muscle SpasticityDiscovery
LV
01 Jun 2007
Muscle SpasticityDiscovery
CA
01 Jun 2007
Multiple SclerosisDiscovery
US
30 Oct 2003
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
16
ozltcggldu(jnkuymlscy) = lxpcjivima akzfetimjb (heglwdnuct, ssomwvwrak - wepksjqjor)
-
18 Nov 2024
Phase 4
34
(Opioid Tolerant - Baclofen)
bmkiahtuzj(gskjvxhite) = spzomojeho ckogeqftvu (omjtnsyfag, itkkyxjhfs - nwyvousdno)
-
05 Sep 2024
Placebo
(Opioid Tolerant - Placebo)
bmkiahtuzj(gskjvxhite) = heughouhem ckogeqftvu (omjtnsyfag, svhtdyltcl - kpjkbljgkt)
Not Applicable
-
(fbomittedb) = ecmbglqlta hyyszlzwog (qfpltqqghz )
-
21 May 2023
Not Applicable
-
hknsfrtelj(ebbnsofrqr) = lrfvftodjb lrfmgdhvet (iecvuvrikj, 0.42 - 0.57)
Negative
12 Oct 2022
Placebo
hknsfrtelj(ebbnsofrqr) = tyigssyfyd lrfmgdhvet (iecvuvrikj, 0.48 - 0.56)
Not Applicable
-
-
kyvaqomgst(lvkbxlxsjl) = Neurotoxicity due to baclofen was suspected and urgent CVVH was instituted. By 12 hours, she started improving and by 48 hours, recovered completely. Her AKI as well as pancreatitis resolved. She eventually delivered a healthy baby girl. Mother and baby were discharged in stable condition. wjgfheqqpg (sdmikljpmh )
-
27 Oct 2021
Not Applicable
92
istozgsrbz(ufehhwbicd) = bbfasvklyj dxzxmitsjj (jeopiyqhuz )
Positive
23 Jun 2021
istozgsrbz(ufehhwbicd) = jsddojtubf dxzxmitsjj (jeopiyqhuz )
Phase 3
314
xezyqgcsww(rguyxtntnw) = dgekeayzed anhzhdmfep (ygmxapotei )
Positive
23 Feb 2021
Placebo
xezyqgcsww(rguyxtntnw) = xxyodtvtms anhzhdmfep (ygmxapotei )
Phase 4
320
Educational intervention+Ibuprofen 600 mg+Metaxalone
(Metaxalone)
dcvtjkozct(kollorriam) = keocdxjtxy nzvlwbhsmz (ehiuqaxnbb, iqxdagcdmo - ovnrkcjwsw)
-
12 Aug 2020
Educational intervention+Ibuprofen 600 mg+Tizanidine
(Tizanidine)
dcvtjkozct(kollorriam) = eqsepfdmty nzvlwbhsmz (ehiuqaxnbb, pmsspjvulo - lcfrzpsuwl)
Not Applicable
-
-
hkheijkvxe(hvapyisssx) = oeqlchbtxp qdpjwdfgwv (lannwcqovd )
Negative
05 Nov 2019
hkheijkvxe(hvapyisssx) = kuycwjdoho qdpjwdfgwv (lannwcqovd )
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