Purpose

The study is a Phase 2, multi-center, randomized, double-blind, placebo-controlled study to evaluate the effects of tibulizumab over 24 weeks (Period 1) in adult participants with systemic sclerosis, followed by an open-label extension period where all active participants will receive tibulizumab and will be evaluated for an additional 28 weeks (Period 2)

Conditions

Eligibility

Eligible Ages
Between 18 Years and 75 Years
Eligible Sex
All
Accepts Healthy Volunteers
No

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, in addition to acral fibrosis - Has had SSc (defined as the first non-Raynaud's phenomenon (RP) symptom or sign attributed to SSc) for ≤7 years - mRSS ≥15 and ≤45 at screening. Additional requirements for participants ≥2 years to ≤7 years from SSc onset and RNA Polymerase III antibody positive - FVC >50% predicted - Diffusing capacity of the lungs for carbon monoxide (DLCO) ≥40% predicted (corrected for hemoglobin)

Exclusion Criteria

  • Has any of the following complications: - Left ventricular failure - Pulmonary arterial hypertension - Renal crisis within previous 6 months - Gastrointestinal dysmotility within previous 3 months - Digital ischemia with gangrene, amputation, or unscheduled hospitalization within previous 3 months - Current rheumatic disease other than SSc that could interfere with assessment of SSc - Lung disease requiring continuous oxygen therapy - Evidence or suspicion of active or latent tuberculosis - Active Crohn's Disease or ulcerative colitis

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Triple (Participant, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Tibulizumab
Subcutaneous injection
  • Biological: Tibulizumab
    Anti BAFF/IL-17 antibody
    Other names:
    • ZB-106
Placebo Comparator
Placebo
Subcutaneous injection
  • Biological: Tibulizumab
    Anti BAFF/IL-17 antibody
    Other names:
    • ZB-106
  • Other: Placebo
    Placebo (inactive)
    Other names:
    • ZB-106 placebo

Recruiting Locations

Massachusetts General Hospital
Boston 4930956, Massachusetts 6254926 02114
Contact:
Principal Investigator
702-825-9872
clinicaltrial@zurabio.com

More Details

Status
Recruiting
Sponsor
Zura Bio Inc

Study Contact

Chief Medical Officer
702-825-9872
clinicaltrial@zurabio.com

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.