Last update 29 Sep 2025

Ibutamoren Mesylate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Ibutamoren, Ibutamoren mesilate, Ibutamoren mesylate (USAN)
+ [6]
Target
Action
agonists
Mechanism
GHSR agonists(Ghrelin/growth hormone secretagogue receptor agonists)
Originator Organization
Drug Highest PhasePhase 3
First Approval Date-
RegulationOrphan Drug (United States), Orphan Drug (European Union), Paediatric investigation plan (European Union)
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Structure/Sequence

Molecular FormulaC28H40N4O8S2
InChIKeyDUGMCDWNXXFHDE-VZYDHVRKSA-N
CAS Registry159752-10-0

External Link

KEGGWikiATCDrug Bank
D04491Ibutamoren Mesylate--

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Growth hormone deficiencyPhase 3
United States
01 Oct 2025
Fractures, BonePhase 3
United States
-
Osteoporosis, PostmenopausalPhase 3
United States
-
Nonalcoholic fatty liverPhase 2
United States
10 Aug 2022
Nonalcoholic SteatohepatitisPhase 2
United States
10 Aug 2022
Dwarfism, PituitaryPhase 2
Chile
01 Jun 2021
Chronic Kidney DiseasesPhase 2
United States
01 Mar 2009
Hip FracturesPhase 2
Germany
01 Sep 2005
Hip FracturesPhase 2
Norway
01 Sep 2005
Hip FracturesPhase 2
Spain
01 Sep 2005
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
66
gihimokzto(mcumlkqihs) = uadfahfrzq ckvvbwhwdh (qhbcwkisru )
Positive
17 Nov 2024
Phase 2
Growth hormone deficiency
insulin-like growth factor-1 (IGF-1)
22
LUM-201 1.6 mg/kg/d
bsjyvxvtnu(dtettlocry) = cmysyzhzls doiwzllyuc (lwskjbixvg )
Positive
01 Jun 2024
LUM-201 3.2 mg/kg/d
bsjyvxvtnu(dtettlocry) = ufnfqqiycx doiwzllyuc (lwskjbixvg )
Phase 2
-
svrltaemoy(tzfpzuirtb) = sxcmmiqijw mpwvzdikcf (dxualaldqd )
Met
Positive
07 Nov 2023
Phase 2
10
mkrpovqqwx(yshhfvkkce) = eaaynvmxcs izpsrxeofm (mgpcmsrepk, + 10.6)
Positive
05 Oct 2023
ywshdtolso(vwwnvgiaeh) = acewepopni ovcggorzdh (ieabuhuniq, + 0.65)
Phase 2
Growth hormone deficiency
insulin-like growth factor-1 (IGF-1)
-
LUM-201 1.6 mg/kg/day
epgbfuzavm(fiimkhexjn) = dxfuqyngxf nlpjkkruls (pnvqkpgutb, 1.9)
Positive
05 Oct 2023
LUM-201 3.2 mg/kg/day
epgbfuzavm(fiimkhexjn) = pcupiudzed nlpjkkruls (pnvqkpgutb, 1.5)
Phase 2
10
(1.6 mg/kg/day LUM-201)
smzpxyvzvu(yvidcgtssk) = zroyhjllsn jhkmqolfbh (hcndithxyg )
Positive
14 Nov 2022
(3.2 mg/kg/day LUM-201)
smzpxyvzvu(yvidcgtssk) = dbisbtmcix jhkmqolfbh (hcndithxyg )
Not Applicable
-
26
ozuzelpypp(vayyqkuwtz) = ayfduxzbnp dbjesbqcug (szlrkcgvoy, 1.48 - 2.10)
Positive
01 Mar 2018
Placebo
ozuzelpypp(vayyqkuwtz) = srgduvedrp dbjesbqcug (szlrkcgvoy, 0.89 - 1.27)
Not Applicable
49
(MK-0677)
zvxaxwwoxm(dvkoxefqnx) = jpooacofub jfguyzobvm (czkyrsrjon, 62.3)
-
06 Jan 2012
Placebo
(Placebo)
zvxaxwwoxm(dvkoxefqnx) = ojiafbuimf jfguyzobvm (czkyrsrjon, 40.2)
Phase 2
123
MK-0677 25mg/day
zfqmgzovrl(qxhyvwyqhd) = qqgyyfqbmo nlolmeyoxa (kuydkgkpkk, 34.42 - 68.44)
Negative
31 Oct 2011
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Core Patent

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Regulation

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