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Tibulizumab

Phase 2

Systemic Sclerosis (SSc) | Monoclonal antibody | Immunology |Zura Bio Limited|Last Updated: Jul 20, 2026

Success Probability
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment80
FDA Designations
No designations recorded
Clinical trial landscape

Tibulizumab · 1 trial · 2 indications

Phase 2 1
NCT06843239Tibulizumab Systemic Sclerosis Understanding and Response Evaluation (TibuSURE)Systemic Sclerosis (SSc)
ACTIVE NOT_RECRUITING80 Analytics
PHASE2ACTIVE NOT_RECRUITING
Tibulizumab Systemic Sclerosis Understanding and Response Evaluation (TibuSURE)
Systemic Sclerosis (SSc)Unlock trial analytics
Study Endpoints
Primary Endpoints
[Period 1] Change from baseline in modified Rodnan Skin Score (mRSS) at 24 weeks
Week 24

The mRSS assesses skin thickness at 17 different cutaneous sites across the body using a scale from 0 (normal skin) to 3 (severe thickening), with a total score ranging from 0 (no thickening) to 51 (severe thickening in all 17 areas)

[Period 2] Safety and tolerability of tibulizumab
Week 52

Assessed by the incidence of all treatment-emergent adverse events (TEAEs), as well as changes from baseline in vital signs, electrocardiogram (ECG) parameters, and laboratory results

Secondary Endpoints
[Period 1] Change from baseline in quantitative interstitial lung disease (QILD) obtained with high-resolution quantitative tomography (HRCT) in the whole lung in participants with SSc-interstitial lung disease (ILD)
Week 24
[Period 1] Change from baseline in forced vital capacity (FVC) in participants with SSc-ILD
Week 24
[Period 1] Change from baseline in Health Assessment Questionnaire Disability Index (HAQ-DI)
Week 24
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
TibulizumabEXPERIMENTALSubcutaneous injection
PlaceboPLACEBO_COMPARATORSubcutaneous injection
Interventions
NameTypeDescription
TibulizumabBIOLOGICALAnti BAFF/IL-17 antibody
PlaceboOTHERPlacebo (inactive)
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Eligibility Criteria
Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites60

Inclusion Criteria: * Male or female, 18 to 75 years of age * Body mass index between 18.0 and 38.0 kg/m² * Fulfills classification criteria for SSc according to ACR/EULAR 2013 criteria * Has diffuse cutaneous SSc, defined as mRSS \>0 over at least one skin area proximal to the elbows and/or knees,...

Countries:United StatesArgentinaChileHungaryMexicoPolandRomaniaSerbiaSpainUnited Kingdom
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Recent Changes (Last 90 Days)
MEDIUMJul 20, 2026NCT06843239Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJul 20, 2026NCT06843239Status: RECRUITING → ACTIVE_NOT_RECRUITING
LOWMay 26, 2026NCT06843239primaryCompletionDate: changed
LOWMay 24, 2026NCT06843239studyFirstPostDate: changed