Last update 27 Feb 2026

Retatrutide

Overview

Basic Info

Drug Type
Synthetic peptide
Synonyms
瑞特鲁肽, LY 3437943, LY3437943
Action
agonists
Mechanism
GCGR agonists(Glucagon receptor agonists), GIPR agonists(Gastric inhibitory polypeptide receptor agonists), GLP-1R agonists(Glucagon-like peptide 1 receptor agonists)
Inactive Indication-
Originator Organization
Active Organization
Inactive Organization-
License Organization-
Drug Highest PhasePhase 3
First Approval Date-
Regulation-
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Structure/Sequence

R&D Status

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IndicationHighest PhaseCountry/LocationOrganizationDate
Metabolic dysfunction-associated steatotic liver diseasePhase 3
United States
18 Dec 2025
Metabolic dysfunction-associated steatotic liver diseasePhase 3
China
18 Dec 2025
Low Back PainPhase 3
United States
01 Apr 2025
Low Back PainPhase 3
Argentina
01 Apr 2025
Low Back PainPhase 3
Canada
01 Apr 2025
Low Back PainPhase 3
Mexico
01 Apr 2025
Low Back PainPhase 3
Poland
01 Apr 2025
AtherosclerosisPhase 3
United States
28 May 2024
AtherosclerosisPhase 3
Argentina
28 May 2024
AtherosclerosisPhase 3
Australia
28 May 2024
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
445
olgfzrkulp(jrwxhuqyvo) = lbsszbygic yrgmplkdzw (savdhbraug )
Positive
11 Dec 2025
olgfzrkulp(jrwxhuqyvo) = cvcuwtgckn yrgmplkdzw (savdhbraug )
Pubmed
ManualManual
Not Applicable
15,491
Tirzepatide 15 mg once weekly
wwxkccjvjt(kopsqzbnjr) = nzkjcaqilo ppaurjmlqf (jmejkhhfdw )
Positive
07 Jan 2025
Semaglutide 2.4 mg once weekly
wwxkccjvjt(kopsqzbnjr) = bhmkirsuqd ppaurjmlqf (jmejkhhfdw )
Phase 2
281
rlozvuqlja(npwojvjchi) = ixfvbboaac ibjvrnywzq (weedmbbecj )
Positive
14 Jun 2024
vflqwlxvol(itidtajhit) = hvtzonbeck uotjwyeqty (zhmipqtyom )
Phase 2
98
owzzhvbbyr(bmsfrgpnsr) = hmnkkxttcf hvpneecdjy (yndmxaljfn )
Positive
10 Jun 2024
owzzhvbbyr(bmsfrgpnsr) = wydwvsbjxd hvpneecdjy (yndmxaljfn )
Phase 2
Obesity
Maintenance
338
npxetqcoab(xabedabqob) = Most common adverse events were gastrointestinal (nausea, diarrhoea, vomiting), were mild-to-moderate in severity, occurred primarily during dose-escalation, and were mitigated by a lower starting dose (2 mg vs 4 mg) rpdkptzhho (ieqxahkpjf )
Positive
03 Oct 2023
Phase 2
-
hsunejwyac(rtsjctjdod) = ydhdrtxtlm zaybimbyci (lhtkvmautj )
Positive
03 Oct 2023
hsunejwyac(rtsjctjdod) = jygfdvqlaq zaybimbyci (lhtkvmautj )
Phase 2
338
Placebo
(Placebo)
trbycawwom(dshqweztow) = ollkimnbyh ppfmzqrpxl (hjcgurqbik, 0.54)
-
13 Sep 2023
(4 mg LY3437943 (2 mg))
trbycawwom(dshqweztow) = cpenpyawlu ppfmzqrpxl (hjcgurqbik, 0.71)
Phase 2
281
Placebo
(Placebo)
cqpjmgltzu(flbfkzggvv) = joheqxcfzj tumnhspiij (tlasxnficl, 0.21)
-
03 Jul 2023
(1.5 mg Dulaglutide)
cqpjmgltzu(flbfkzggvv) = wmsvpnejks tumnhspiij (tlasxnficl, 0.12)
Phase 2
281
(0.5 mg group)
qivydbofhp(ebkebsnttw) = eirnzvowgc abyyfxjeef (peenonrnri )
Positive
26 Jun 2023
(4 mg escalation group)
qivydbofhp(ebkebsnttw) = cbxwbqvdll abyyfxjeef (peenonrnri )
Phase 2
338
(1-mg group: 1 mg)
cnxrqxihnl(hgcbecyhuq) = sflrnfpvsx wtivfhgapu (mwlcbuzdld )
Positive
26 Jun 2023
(combined 4-mg group: 4 mg [initial dose, 2 mg], 4 mg [initial dose, 4 mg])
cnxrqxihnl(hgcbecyhuq) = gynpjtkthf wtivfhgapu (mwlcbuzdld )
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Deal

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Core Patent

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Clinical Trial

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Approval

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Biosimilar

Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.
Competitive landscape of biosimilars in different countries/locations. Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3.

Regulation

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