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Ultimate dePletion of autoReactive b cells using Obinutuzumab from sjÖgren's syndrome affected Tissues study- UPROOT study

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-519884-16-00
Enrollment
10
Registered
2026-03-11
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sjögren's syndrome

Brief summary

Depletion of anti-Ro60, anti-Ro52, anti-La and rheumatoid factor B cells in blood, inflamed salivary gland and involved lymph node of patients with SjS at 3 months after initiation of Obinutuzumab compared to sampling before treatment initiation.

Detailed description

- Change from baseline in ESSDAI score at Week 12, 24 and 36 (11)., - Proportion of patients achieving ≥3 points reduction from baseline in ESSDAIscore at Week 12, 24 and 36., - Proportion of patients achieving ESSDAI<5 at Week 12, 24 and 36., - Change from baseline in PhGA of disease activity at Week 12, 24 and 36, - Change from baseline in PaGA of disease activity at Week 12, 24 and 36., - Proportion of patients achieving ≥ 1 point or 15% reduction from baseline in ESSPRI at Week 12, 24 and 36 (11)., 1. Change from baseline in STAR, Schirmer’s test, unstimulated whole saliva secretion

Interventions

DRUGGazyvaro 1
DRUG000 mg concentrate for solution for infusion.

Sponsors

Radboud universitair medisch centrum Stichting
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Depletion of anti-Ro60, anti-Ro52, anti-La and rheumatoid factor B cells in blood, inflamed salivary gland and involved lymph node of patients with SjS at 3 months after initiation of Obinutuzumab compared to sampling before treatment initiation.

Secondary

MeasureTime frame
- Change from baseline in ESSDAI score at Week 12, 24 and 36 (11)., - Proportion of patients achieving ≥3 points reduction from baseline in ESSDAIscore at Week 12, 24 and 36., - Proportion of patients achieving ESSDAI<5 at Week 12, 24 and 36., - Change from baseline in PhGA of disease activity at Week 12, 24 and 36, - Change from baseline in PaGA of disease activity at Week 12, 24 and 36., - Proportion of patients achieving ≥ 1 point or 15% reduction from baseline in ESSPRI at Week 12, 24 and 36 (11)., 1. Change from baseline in STAR, Schirmer’s test, unstimulated whole saliva secretion

Outcome results

None listed

Source: EU CTIS · Data processed: Mar 12, 2026