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Eltrekibart

Phase 2

Hidradenitis Suppurativa | Small molecule | Dermatology |Eli Lilly and Company|Last Updated: Aug 21, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment352

FDA Designations

No designations recorded

Clinical trial landscape

Eltrekibart · 2 trials · 3 indications

Phase 2 2
NCT06598943A Study of Eltrekibart and Mirikizumab in Adult Patients With Moderately to Severely Active Ulcerative ColitisUlcerative Colitis
RECRUITING143 Analytics
NCT06046729A Study of Eltrekibart (LY3041658) in Adult Participants With Moderate to Severe Hidradenitis SuppurativaHidradenitis Suppurativa
COMPLETED352 Analytics
PHASE2RECRUITING
A Study of Eltrekibart and Mirikizumab in Adult Patients With Moderately to Severely Active Ulcerative Colitis
Ulcerative ColitisUnlock trial analytics
PHASE2COMPLETED
A Study of Eltrekibart (LY3041658) in Adult Participants With Moderate to Severe Hidradenitis Suppurativa
Hidradenitis SuppurativaUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants Achieving Clinical Remission
Week 12
Percentage of Participant Achieving Hidradenitis Suppurativa Clinical Response 50 (HiSCR50)
Week 16

Secondary Endpoints

Percentage of Participants Achieving Clinical Response
Week 12
Percentage of Participants Achieving Endoscopic Improvement
Week 12
Percentage of Participants Achieving Endoscopic Remission
Week 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Eltrekibart + PlaceboEXPERIMENTALParticipants will receive eltrekibart with placebo, eltrekibart or mirikizumab.
Mirikizumab + PlaceboEXPERIMENTALParticipants will receive mirikizumab and placebo or mirikizumab.
Eltrekibart + MirikizumabEXPERIMENTALParticipants will receive eltrekibart and mirikizumab in combination or separately as monotherapy.
PlaceboEXPERIMENTALParticipants will receive placebo or mirikizumab.
Eltrekibart Dose 1EXPERIMENTALEltrekibart will be given subcutaneously (SC).
Eltrekibart Dose 2EXPERIMENTALEltrekibart will be given SC.
Eltrekibart Dose 3EXPERIMENTALEltrekibart will be given SC.

Interventions

NameTypeDescription
EltrekibartDRUGAdministered
MirikizumabDRUGAdministered
PlaceboDRUGAdministered
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites207

Inclusion Criteria: * Have had an established diagnosis of UC of ≥3 months in duration before baseline. * Have moderately to severely active UC as assessed by the UC disease activity score. * Have an inadequate response to, loss of response to, or intolerance to at least one conventional medication...

Countries:United StatesArgentinaBelgiumCanadaColombiaCroatiaCzechiaDenmarkFranceGermanyGreeceHungaryIrelandItalyJapanLatviaPolandRomaniaSerbiaSpainTurkey (Türkiye)Australia
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Recent Changes (Last 90 Days)

HIGHAug 21, 2026NCT06046729Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHAug 21, 2026NCT06046729Status: ACTIVE_NOT_RECRUITING → COMPLETED
LOWAug 4, 2026NCT06046729lastUpdatePostDate: changed
LOWAug 4, 2026NCT06046729lastUpdatePostDate: changed
LOWJul 30, 2026NCT06598943Enrollment: 140 → 143
LOWJul 30, 2026NCT06598943Enrollment: 140 → 143
LOWJul 20, 2026NCT06598943lastUpdatePostDate: changed
LOWJul 20, 2026NCT06598943lastUpdatePostDate: changed
LOWJul 7, 2026NCT06046729lastUpdatePostDate: changed
LOWJul 7, 2026NCT06046729lastUpdatePostDate: changed

Frequently asked questions about Eltrekibart

What is Eltrekibart used for?

Eltrekibart is an investigational small molecule being studied for ulcerative colitis and hidradenitis suppurativa. In hidradenitis suppurativa, it is being evaluated in adults with moderate to severe disease. In ulcerative colitis, it is being studied in adults with moderately to severely active disease.

Who makes Eltrekibart?

Eltrekibart is being developed by Eli Lilly and Company, traded on the New York Stock Exchange under the ticker LLY. The company is conducting clinical trials of the drug in both ulcerative colitis and hidradenitis suppurativa.

What phase is Eltrekibart in?

Eltrekibart is in Phase 2 clinical development. It is an investigational drug and has not been approved by regulatory authorities. Clinical trials are ongoing or recently completed to evaluate its safety and efficacy in ulcerative colitis and hidradenitis suppurativa.

What clinical trials is Eltrekibart in?

Eltrekibart is being studied in two Phase 2 trials. NCT06046729, completed, enrolled 352 adults with moderate to severe hidradenitis suppurativa. NCT06598943, currently recruiting, is studying Eltrekibart and mirikizumab in 143 adults with moderately to severely active ulcerative colitis.

Is Eltrekibart the same as LY3041658?

Yes, Eltrekibart is also known as LY3041658. The completed hidradenitis suppurativa trial NCT06046729 refers to the drug as Eltrekibart (LY3041658), confirming that both names identify the same investigational compound.