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Clazakizumab

Phase 3

Atherosclerosis | Monoclonal antibody | Cardiovascular |Eli Lilly and Company|Trials Updated: Oct 8, 2026

Clazakizumab development status

Highest phase Phase 3 run by CSL Behring (NCT03744910)
Phase scored for LLYPhase 2
Registered trials 2 across 2 sponsors since Aug 2026

Clazakizumab target and mechanism

Molecular targetIL6
Target classInhibitor
ModalityMonoclonal antibody

Also known as LY5724886

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment120

FDA Designations

No designations recorded

Clazakizumab clinical trials

Clazakizumab · 1 trial · 6 indications

Phase 2 1
NCT07783802A Study of Clazakizumab (LY5724886) in Adults With Elevated hsCRP and at Increased Risk for Cardiovascular EventAtherosclerosis
RECRUITING120 Analytics
PHASE2RECRUITING
A Study of Clazakizumab (LY5724886) in Adults With Elevated hsCRP and at Increased Risk for Cardiovascular Event
AtherosclerosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Percent Change from Baseline in hsCRP
Baseline, Week 12

Secondary Endpoints

Percent Change from Baseline in hsCRP
Baseline, Week 24
Pharmacokinetics (PK): Area Under the Concentration Versus Time Curve of Clazakizumab
Day 1 (Week 0) through Week 32
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Clazakizumab Dose 1EXPERIMENTALParticipants will receive clazakizumab subcutaneously (SC)
Clazakizumab Dose 2EXPERIMENTALParticipants will receive clazakizumab SC
Clazakizumab Dose 3EXPERIMENTALParticipants will receive clazakizumab SC
PlaceboPLACEBO_COMPARATORParticipants will receive placebo SC

Interventions

NameTypeDescription
ClazakizumabDRUGAdministered SC
PlaceboDRUGAdministered SC
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites46

Inclusion Criteria: * hsCRP ≥2 mg/L and ≤15 mg/L at screening * At least one of the following chronic conditions: * Established atherosclerotic cardiovascular disease (ASCVD) * Obesity (body mass index (BMI) ≥30 kg/m2) * Type 2 diabetes * Hypertension * Chronic kidney disease Grade 3 or ...

Countries:United StatesArgentinaJapanPuerto Rico
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Recent Changes (Last 90 Days)

LOWOct 8, 2026NCT07783802lastUpdatePostDate: changed
LOWOct 8, 2026NCT07783802lastUpdatePostDate: changed
LOWSep 30, 2026NCT07783802lastUpdatePostDate: changed
LOWSep 30, 2026NCT07783802lastUpdatePostDate: changed
LOWSep 22, 2026NCT07783802Status: NOT_YET_RECRUITING → RECRUITING
LOWSep 22, 2026NCT07783802Status: NOT_YET_RECRUITING → RECRUITING
LOWAug 25, 2026NCT07783802NEW_TRIAL: changed
LOWAug 25, 2026NCT07783802NEW_TRIAL: changed

Frequently asked questions about Clazakizumab

What is clazakizumab used for?

Clazakizumab is being studied for atherosclerosis and cardiovascular disease in adults who have elevated hsCRP and are at increased risk for a cardiovascular event. The Phase 2 trial also enrolls people with obesity, hypertension, type 2 diabetes, or chronic renal insufficiency, conditions that raise cardiovascular risk.

What does clazakizumab target?

Clazakizumab targets interleukin-6, or IL6. It is a monoclonal antibody that acts as an IL6 inhibitor. By binding IL6, the drug is designed to interfere with IL6 signaling, which is being studied in the context of inflammation and cardiovascular risk in atherosclerosis.

Who is developing clazakizumab?

Clazakizumab is being developed by Eli Lilly and Company, which trades on the New York Stock Exchange under the ticker LLY. The Phase 2 study is listed under the code LY5724886, reflecting Lilly's internal compound numbering.

What phase is clazakizumab in?

Clazakizumab is in Phase 2 clinical development for atherosclerosis and cardiovascular risk. It is an investigational monoclonal antibody and has not been approved by the FDA for this use. The ongoing Phase 2 trial is currently recruiting participants.

What clinical trials is clazakizumab in?

Clazakizumab is being tested in the Phase 2 trial NCT07783802, titled A Study of Clazakizumab (LY5724886) in Adults With Elevated hsCRP and at Increased Risk for Cardiovascular Event. The trial is recruiting 120 participants across the United States, Argentina, Japan, and Puerto Rico.

How is the clazakizumab Phase 2 trial designed?

NCT07783802 is a randomized, double-blind, placebo-controlled Phase 2 study. It plans to enroll 120 adults aged 18 and older with elevated hsCRP and increased cardiovascular risk. Participants are not selected by biomarker beyond hsCRP, and healthy volunteers are excluded.