Drugs / Losmapimod

Trials 26 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 16 trials
Phase 1 NCT05002231 Aug → Oct 2021 Fulcrum Therapeutics Completed No outcome recorded
Phase 1 NCT01756495 Jan → Apr 2013 acute coronary syndrome GlaxoSmithKline Completed No outcome recorded
Phase 1 NCT01648192 Jul → Oct 2012 acute coronary syndrome GlaxoSmithKline Completed No outcome recorded
Phase 1 NCT01039961 Feb → Apr 2010 cardiovascular disorder GlaxoSmithKline Completed No outcome recorded
Phase 1 NCT00599612 Jan → Feb 2008 chronic obstructive pulmonary disease GlaxoSmithKline Completed No outcome recorded
Phase 1 NCT00549653 Oct → Dec 2007 atherosclerosis GlaxoSmithKline Completed No outcome recorded
Phase 217 trials
Phase 2 NCT04264442 Feb 2020 → Nov 2024 facioscapulohumeral muscular dystrophy Fulcrum Therapeutics Terminated No outcome recorded
Phase 2 NCT04004000 Aug 2019 → Oct 2024 facioscapulohumeral muscular dystrophy 1 Fulcrum Therapeutics Terminated No outcome recorded
Phase 2 NCT04003974 Aug 2019 → Jan 2021 facioscapulohumeral muscular dystrophy Fulcrum Therapeutics Completed No outcome recorded
Phase 2 NCT02299375 Dec 2014 → Jun 2016 chronic obstructive pulmonary disease GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT02000440 Jul 2014 → Feb 2016 focal segmental glomerulosclerosis GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT01218126 Nov 2010 → Dec 2011 chronic obstructive pulmonary disease GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT01110057 Jan → Aug 2010 neuropathy, painful GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT00910962 Oct 2009 → Mar 2012 acute coronary syndrome GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT00976560 Sep 2009 → Jul 2010 major depressive disorder GlaxoSmithKline Completed No outcome recorded
Phase 2 NCT00969059 Aug 2009 → Jul 2010 neuropathy, painful GlaxoSmithKline Completed No outcome recorded
Phase 33 trials
Phase 3 NCT05397470 Jun 2022 → Nov 2024 facioscapulohumeral muscular dystrophy Fulcrum Therapeutics Terminated No outcome recorded
Phase 3 NCT04511819 Aug 2020 → Mar 2021 COVID-19 Fulcrum Therapeutics Terminated No outcome recorded
Phase 3 NCT02145468 Jun 2014 → Dec 2015 acute coronary syndrome GlaxoSmithKline Completed No outcome recorded
Also used as a comparator or background therapy in 1 trial
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 2 NCT01541852 Comparator Jun 2012 → Feb 2014 chronic obstructive pulmonary disease Cambridge University Hospitals NHS Foundation Trust Completed No outcome recorded

Evidence & citations 11 cited values

Every value below carries the sentence it was read from. 32 sources stand behind the page.

FieldValueCited text
Known as losmapimod “evaluates the safety and efficacy of losmapimod (GW856553), a potent oral p38MAPK inhibitor, vs placebo in patients with non-ST-segment elevation myocardial infarction expected...” PMID 23137494 Oct 2012
16

“p38α/β MAPK inhibitor (losmapimod; GW856553)” PMID 21262998 Jan 2011

NCT00633022

NCT01541852

NCT02000440

NCT01648192

NCT04003974

NCT01039961

NCT04004000

NCT05397470

NCT05002231

NCT02145468

NCT02299375

NCT04511819

NCT01756495

NCT01218126

NCT04264442

Known as FTX-1821 ChEMBL registry synonym — accepted as the source's own label CHEMBL1088752
Known as GSK-AHAB ChEMBL registry synonym — accepted as the source's own label CHEMBL1088752
Known as GW856553 “A Randomised, Double-Blind, Placebo-Controlled, Parallel-Group, Multi-centre, Dose Ranging Study to Evaluate the Efficacy and Safety of Losmapimod (GW856553) Tablets...” NCT01218126
13

“Safety and Efficacy Study of Losmapimod (GW856553) in Frequently Exacerbating Participants With Chronic Obstructive Pulmonary Disease (COPD)” NCT02299375

“The dose of GW856553 will be 7.5 mg BID.” NCT01110057

“Phase I Study of GW856553 (Losmapimod)” NCT01648192

NCT00549653

NCT00969059

NCT00910962

NCT00474864

NCT00642148

NCT00256919

NCT00599612

NCT00393146

NCT00976560

NCT00392587

Known as GW856553X “Losmapimod (micronized GW856553X) will be supplied as a film coated white, 7 mm round, biconvex, plain faced, tablet.” NCT02000440
1

NCT00569062

Action Inhibit “MAP kinase p38 alpha inhibitor” CHEMBL1088752
2

“MAP kinase p38 beta inhibitor” CHEMBL1088752

inhibiting p38 MAPK activity” PMID 21262998 Jan 2011

Modality Small molecule “losmapimod (a small molecule that inhibits p38α MAPK, a regulator of DUX4 expression, and p38β MAPK)” PMID 38631764 May 2024
Route Oral “will be delivered as 100mL of a 0.1mg/mL GW856553/0.5 µCi/mL oral solution.” NCT00599612
Target DUX4 “able to reduce aberrant expression of DUX4 in vitro” PMID 41649965 Feb 2026
Target MAPK11 “MAP kinase p38 beta inhibitor” CHEMBL1088752
Target MAPK14 “MAP kinase p38 alpha inhibitor” CHEMBL1088752