Ibutamoren

DB18214InvestigationalSmall molecule

Ibutamoren: Overview.

Mechanism: Pharmacologically active on Growth hormone secretagogue receptor type 1
Curator reviewed
Formula / weight: C₂₇H₃₆N₄O₅S · 528.67 g/mol (avg)
Also known as: 2-amino-n-((r)-2-(benzyloxy)-1-((1-(methylsulfonyl)spiro(indoline-3,4'-piperidin)-1'-yl)carbonyl)ethyl)-2-methylpropionamide · 2-amino-n-(3-(benzyloxy)-1-(1-methanesulfonyl-1,2-dihydrospiro(indole-3,4'-piperidin)-1'-yl)-1-oxopropan-2-yl)-2-methylpropanamide
Code names: L-163,191 · LUM-201

Resolves to

Compound

Clinical / RWD

Structure

InChIKeyUMUPQWIGCOZEOY-JOCHJYFZSA-NSMILESCC(C)(N)C(=O)N[C@H](COCC1=CC=CC=C1)C(=O)N1CCC2(CN(C3=CC=CC=C23)S(C)(=O)=O)CC1

Targets

What you can answer from here — as of September 16, 2026

1Protein targetEach mapped to UniProt, with action and pharmacological action

Listed above

13Clinical trialsPhase, status and sponsor resolved per trial

9+ReferencesStructured and connected to the statements they support

Which drugs share a target with Ibutamoren, and which of those have an active Phase 3 trial?

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