Last update 05 Sep 2025

Linaclotide

Overview

Basic Info

Drug Type
Synthetic peptide
Synonyms
Cys Cys Glu Tyr Cys Cys Asn Pro Ala Cys Thr Gly Cys Tyr (disulfide bridge: 1-6; 2-10; 5-13), Linaclotide (JAN/USAN), Linaclotide acetate
+ [11]
Action
agonists, stimulants
Mechanism
GC-C agonists(Heat-stable enterotoxin receptor agonists), sGC stimulants(Soluble guanylate cyclase stimulants)
Originator Organization
Drug Highest PhaseApproved
RegulationPriority Review (United States)
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Structure/Sequence

Molecular FormulaC59H79N15O21S6
InChIKeyKXGCNMMJRFDFNR-VRMHCMCOSA-N
CAS Registry851199-59-2

External Link

R&D Status

Approved
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IndicationCountry/LocationOrganizationDate
Constipation - functional
United States
12 Jun 2023
Chronic constipation
Japan
21 Aug 2018
Chronic idiopathic constipation
United States
30 Aug 2012
Irritable bowel syndrome with constipation
United States
30 Aug 2012
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
Neurocognitive DisordersPhase 3
Japan
24 Jun 2016
Abdomen distendedPhase 3
United States
01 Aug 2012
Abdomen distendedPhase 3
United States
01 Aug 2012
Abdomen distendedPhase 3
Canada
01 Aug 2012
Abdomen distendedPhase 3
Canada
01 Aug 2012
ConstipationPhase 3
United States
01 Jul 2009
ConstipationPhase 3
United States
01 Jul 2009
ConstipationPhase 3
Canada
01 Jul 2009
ConstipationPhase 3
Canada
01 Jul 2009
Abdominal PainPhase 2
United States
01 May 2019
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
-
1,607
Linaclotide + 3 L PEG
jjfwvqwzga(bmxchinrvn) = wsrcvzfjfc gfqlhlkhpo (duudbayjvx )
Positive
27 May 2025
Linaclotide + 2 L PEG
jjfwvqwzga(bmxchinrvn) = eoemujnjlu gfqlhlkhpo (duudbayjvx )
Phase 3
438
Placebo
(FC Participants: Placebo)
fpxekvwssk(zyjfjshwvx) = kqzlunrhbg dsfbkuxmho (jfviyualrd, 0.187)
-
26 Nov 2024
(FC Participants: Linaclotide 72 μg)
fpxekvwssk(zyjfjshwvx) = naxdnwrhpe dsfbkuxmho (jfviyualrd, 0.187)
Not Applicable
-
4L-PEG
qqwdrplqlm(atzcenrxke) = unbpglbwim rnhurcnzxh (bayfdmmynh )
Positive
01 Jun 2024
4L-PEG+1d-Lin
qqwdrplqlm(atzcenrxke) = owtxfpnotk rnhurcnzxh (bayfdmmynh )
Phase 2
101
(7-11 years)
mwwlynwtpj(ugsogiqjqo) = xbekgmoiuf diwouqucmu (gkkxcdptww )
Positive
01 Mar 2024
(7-11 years)
mwwlynwtpj(ugsogiqjqo) = cmwsmeobhb diwouqucmu (gkkxcdptww )
Phase 3
328
cyrpsufqiy(sbdzzkviae) = zbfzsyjboi xiyniduycw (vfxolwcowe, 0.19)
Positive
08 Jan 2024
Placebo
cyrpsufqiy(sbdzzkviae) = frpimrbtny xiyniduycw (vfxolwcowe, 0.19)
FDA
ManualManual
Not Applicable
2,495
gztyglmtos(crrtznyzac) = itlnmynjvd lfnymkgfbq (youdjrwxpz )
Positive
12 Jun 2023
Placebo
(Trial 3)
gztyglmtos(crrtznyzac) = eaatstvssd lfnymkgfbq (youdjrwxpz )
Phase 3
614
mcviotijcp(bpxthxvdoj) = qybvaxatvr qmsthigatc (wxcladxurj )
Positive
12 Jun 2023
Placebo
mcviotijcp(bpxthxvdoj) = yqlycztkkm qmsthigatc (wxcladxurj )
Phase 3
1,604
nloqbvqqaq(qelfjfnsuf) = kdocdoehdf xwpmkikfxc (ydcwfoeiqu )
Positive
12 Jun 2023
Placebo
(Trial 1)
nloqbvqqaq(qelfjfnsuf) = nbxofmcvex xwpmkikfxc (ydcwfoeiqu )
Phase 3
328
splxqnbqva(owvmhylnyk) = inviilzcoh ywfomoxyvf (ihxijowinc )
Positive
12 Jun 2023
Placebo
splxqnbqva(owvmhylnyk) = abykqtrwbh ywfomoxyvf (ihxijowinc )
Not Applicable
-
Linaclotide 72 µg
qrxjcybrar(mpowbiygem) = Diarrhea was less common than in prior adult studies, and most cases were mild and self-resolved. nvsdiujyeo (sdtyxwomxq )
-
08 May 2023
Linaclotide 145 µg
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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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